mirror of
https://github.com/FirebirdSQL/firebird.git
synced 2025-01-28 03:23:03 +01:00
27a97e2a6a
2. Avoid any use of predefined NT group name "Domain Admins".
3. Fixed DYN code generation for USER operations.
***** WARNING *****
After this commit all previous backups of 2.5 databases with turned on
admins mapping become unrestorable. ODS is not changed.
6192 lines
150 KiB
Plaintext
6192 lines
150 KiB
Plaintext
%{
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/*
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* PROGRAM: Dynamic SQL runtime support
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* MODULE: parse.y
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* DESCRIPTION: Dynamic SQL parser
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*
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* 2002-02-24 Sean Leyne - Code Cleanup of old Win 3.1 port (WINDOWS_ONLY)
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* 2001.05.20 Neil McCalden: Allow a udf to be used in a 'group by' clause.
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* 2001.05.30 Claudio Valderrama: DROP TABLE and DROP VIEW lead now to two
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* different node types so DDL can tell which is which.
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* 2001.06.13 Claudio Valderrama: SUBSTRING is being surfaced.
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* 2001.06.30 Claudio valderrama: Feed (line,column) for each node. See node.h.
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* 2001.07.10 Claudio Valderrama: Better (line,column) report and "--" for comments.
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* 2001.07.28 John Bellardo: Changes to support parsing LIMIT and FIRST
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* 2001.08.03 John Bellardo: Finalized syntax for LIMIT, change LIMIT to SKIP
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* 2001.08.05 Claudio Valderrama: closed Bug #448062 and other spaces that appear
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* in rdb$*_source fields when altering domains plus one unexpected null pointer.
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* 2001.08.12 Claudio Valderrama: adjust SUBSTRING's starting pos argument here
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* and not in gen.c; this closes Bug #450301.
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* 2001.10.01 Claudio Valderrama: enable explicit GRANT...to ROLE role_name.
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* 2001.10.06 Claudio Valderrama: Honor explicit USER keyword in GRANTs and REVOKEs.
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* 2002.07.05 Mark O'Donohue: change keyword DEBUG to KW_DEBUG to avoid
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* clashes with normal DEBUG macro.
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* 2002.07.30 Arno Brinkman:
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* 2002.07.30 Let IN predicate handle value_expressions
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* 2002.07.30 tokens CASE, NULLIF, COALESCE added
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* 2002.07.30 See block < CASE expression > what is added to value as case_expression
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* 2002.07.30 function is split up into aggregate_function, numeric_value_function, string_value_function, generate_value_function
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* 2002.07.30 new group_by_function and added to grp_column_elem
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* 2002.07.30 cast removed from function and added as cast_specification to value
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* 2002.08.04 Claudio Valderrama: allow declaring and defining variables at the same time
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* 2002.08.04 Dmitry Yemanov: ALTER VIEW
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* 2002.08.06 Arno Brinkman: ordinal added to grp_column_elem for using positions in group by
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* 2002.08.07 Dmitry Yemanov: INT64/LARGEINT are replaced with BIGINT and available in dialect 3 only
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* 2002.08.31 Dmitry Yemanov: allowed user-defined index names for PK/FK/UK constraints
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* 2002.09.01 Dmitry Yemanov: RECREATE VIEW
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* 2002.09.28 Dmitry Yemanov: Reworked internal_info stuff, enhanced
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* exception handling in SPs/triggers,
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* implemented ROWS_AFFECTED system variable
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* 2002.10.21 Nickolay Samofatov: Added support for explicit pessimistic locks
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* 2002.10.29 Nickolay Samofatov: Added support for savepoints
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* 2002.12.03 Dmitry Yemanov: Implemented ORDER BY clause in subqueries.
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* 2002.12.18 Dmitry Yemanov: Added support for SQL-compliant labels and LEAVE statement
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* 2002.12.28 Dmitry Yemanov: Added support for parametrized events.
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* 2003.01.14 Dmitry Yemanov: Fixed bug with cursors in triggers.
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* 2003.01.15 Dmitry Yemanov: Added support for runtime trigger action checks.
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* 2003.02.10 Mike Nordell : Undefined Microsoft introduced macros to get a clean compile.
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* 2003.05.24 Nickolay Samofatov: Make SKIP and FIRST non-reserved keywords
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* 2003.06.13 Nickolay Samofatov: Make INSERTING/UPDATING/DELETING non-reserved keywords
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* 2003.07.01 Blas Rodriguez Somoza: Change DEBUG and IN to avoid conflicts in win32 build/bison
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* 2003.08.11 Arno Brinkman: Changed GROUP BY to support all expressions and added "AS" support
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* with table alias. Also removed group_by_function and ordinal.
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* 2003.08.14 Arno Brinkman: Added support for derived tables.
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* 2003.10.05 Dmitry Yemanov: Added support for explicit cursors in PSQL.
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* 2004.01.16 Vlad Horsun: added support for default parameters and
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* EXECUTE BLOCK statement
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* Adriano dos Santos Fernandes
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*/
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#include "firebird.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../jrd/common.h"
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#include <stdarg.h>
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#include "gen/iberror.h"
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#include "../dsql/dsql.h"
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#include "../dsql/node.h"
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#include "../jrd/ibase.h"
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#include "../jrd/flags.h"
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#include "../jrd/jrd.h"
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#include "../dsql/errd_proto.h"
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#include "../dsql/hsh_proto.h"
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#include "../dsql/make_proto.h"
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#include "../dsql/keywords.h"
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#include "../dsql/misc_func.h"
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#include "../jrd/gds_proto.h"
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#include "../jrd/err_proto.h"
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#include "../jrd/intlobj_new.h"
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/* since UNIX isn't standard, we have to define
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stuff which is in <limits.h> (which isn't available
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on all UNIXes... */
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const long SHRT_POS_MAX = 32767;
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const long SHRT_UNSIGNED_MAX = 65535;
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const long SHRT_NEG_MAX = 32768;
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const long LONG_POS_MAX = 2147483647;
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const int POSITIVE = 0;
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const int NEGATIVE = 1;
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const int UNSIGNED = 2;
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//const int MIN_CACHE_BUFFERS = 250;
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//const int DEF_CACHE_BUFFERS = 1000;
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/* Fix 69th procedure problem - solution from Oleg Loa */
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#define YYSTACKSIZE 2048
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#define YYMAXDEPTH 2048
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/* Make bison allocate static stack */
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#define YYINITDEPTH 2048
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// Using this option causes build problems on Win32 with bison 1.28
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//#define YYSTACK_USE_ALLOCA 1
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#define YYSTYPE YYSTYPE
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#if defined(DEBUG) || defined(DEV_BUILD)
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#define YYDEBUG 1
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#endif
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#define YYMALLOC gds__alloc
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#define YYFREE gds__free
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static const char INTERNAL_FIELD_NAME[] = "DSQL internal"; /* NTX: placeholder */
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inline SLONG trigger_type_suffix(const int slot1, const int slot2, const int slot3)
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{
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return ((slot1 << 1) | (slot2 << 3) | (slot3 << 5));
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}
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#include "../dsql/chars.h"
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const int MAX_TOKEN_LEN = 256;
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using namespace Jrd;
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using namespace Dsql;
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#ifdef NOT_USED_OR_REPLACED
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static bool long_int(dsql_nod*, SLONG*);
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#endif
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static dsql_fld* make_field (dsql_nod*);
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static dsql_fil* make_file();
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static void prepare_console_debug (int, int *);
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#ifdef NOT_USED_OR_REPLACED
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static bool short_int(dsql_nod*, SLONG*, SSHORT);
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#endif
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static void stack_nodes (dsql_nod*, DsqlNodStack&);
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static Firebird::MetaName toName(dsql_nod* node);
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static void yyabandon (SLONG, ISC_STATUS);
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inline void check_bound(const char* const to, const char* const string)
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{
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if ((to - string) >= MAX_TOKEN_LEN)
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yyabandon (-104, isc_token_too_long);
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}
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inline void check_copy_incr(char*& to, const char ch, const char* const string)
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{
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check_bound(to, string);
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*to++ = ch;
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}
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%}
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/* token declarations */
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/* Tokens are organized chronologically by date added.
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See dsql/keywords.cpp for a list organized alphabetically */
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/* Tokens in v4.0 -- not separated into v3 and v4 tokens */
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%token ACTIVE
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%token ADD
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%token AFTER
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%token ALL
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%token ALTER
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%token AND
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%token ANY
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%token AS
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%token ASC
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%token AT
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%token AVG
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%token AUTO
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%token BEFORE
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%token BEGIN
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%token BETWEEN
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%token BLOB
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%token BY
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%token CAST
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%token CHARACTER
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%token CHECK
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%token COLLATE
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%token COMMA
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%token COMMIT
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%token COMMITTED
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%token COMPUTED
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%token CONCATENATE
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%token CONDITIONAL
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%token CONSTRAINT
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%token CONTAINING
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%token COUNT
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%token CREATE
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%token CSTRING
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%token CURRENT
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%token CURSOR
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%token DATABASE
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%token DATE
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%token DB_KEY
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%token KW_DEBUG
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%token DECIMAL
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%token DECLARE
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%token DEFAULT
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%token KW_DELETE
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%token DESC
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%token DISTINCT
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%token DO
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%token DOMAIN
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%token DROP
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%token ELSE
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%token END
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%token ENTRY_POINT
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%token EQL
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%token ESCAPE
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%token EXCEPTION
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%token EXECUTE
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%token EXISTS
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%token EXIT
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%token EXTERNAL
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%token FILTER
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%token FOR
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%token FOREIGN
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%token FROM
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%token FULL
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%token FUNCTION
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%token GDSCODE
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%token GEQ
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%token GENERATOR
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%token GEN_ID
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%token GRANT
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%token GROUP
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%token GTR
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%token HAVING
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%token IF
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%token KW_IN
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%token INACTIVE
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%token INNER
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%token INPUT_TYPE
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%token INDEX
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%token INSERT
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%token INTEGER
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%token INTO
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%token IS
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%token ISOLATION
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%token JOIN
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%token KEY
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%token KW_CHAR
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%token KW_DEC
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%token KW_DOUBLE
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%token KW_FILE
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%token KW_FLOAT
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%token KW_INT
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%token KW_LONG
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%token KW_NULL
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%token KW_NUMERIC
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%token KW_UPPER
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%token KW_VALUE
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%token LENGTH
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%token LPAREN
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%token LEFT
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%token LEQ
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%token LEVEL
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%token LIKE
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%token LSS
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%token MANUAL
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%token MAXIMUM
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%token MAX_SEGMENT
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%token MERGE
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%token MINIMUM
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%token MODULE_NAME
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%token NAMES
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%token NATIONAL
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%token NATURAL
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%token NCHAR
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%token NEQ
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%token NO
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%token NOT
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%token NOT_GTR
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%token NOT_LSS
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%token OF
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%token ON
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%token ONLY
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%token OPTION
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%token OR
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%token ORDER
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%token OUTER
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%token OUTPUT_TYPE
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%token OVERFLOW
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%token PAGE
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%token PAGES
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%token KW_PAGE_SIZE
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%token PARAMETER
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%token PASSWORD
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%token PLAN
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%token POSITION
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%token POST_EVENT
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%token PRECISION
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%token PRIMARY
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%token PRIVILEGES
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%token PROCEDURE
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%token PROTECTED
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%token READ
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%token REAL
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%token REFERENCES
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%token RESERVING
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%token RETAIN
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%token RETURNING_VALUES
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%token RETURNS
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%token REVOKE
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%token RIGHT
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%token RPAREN
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%token ROLLBACK
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%token SEGMENT
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%token SELECT
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%token SET
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%token SHADOW
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%token KW_SHARED
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%token SINGULAR
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%token KW_SIZE
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%token SMALLINT
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%token SNAPSHOT
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%token SOME
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%token SORT
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%token SQLCODE
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%token STABILITY
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%token STARTING
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%token STATISTICS
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%token SUB_TYPE
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%token SUSPEND
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%token SUM
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%token TABLE
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%token THEN
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%token TO
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%token TRANSACTION
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%token TRIGGER
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%token UNCOMMITTED
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%token UNION
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%token UNIQUE
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%token UPDATE
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%token USER
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%token VALUES
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%token VARCHAR
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%token VARIABLE
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%token VARYING
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%token VERSION
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%token VIEW
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%token WAIT
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%token WHEN
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%token WHERE
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%token WHILE
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%token WITH
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%token WORK
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%token WRITE
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%token FLOAT_NUMBER NUMBER NUMERIC SYMBOL STRING INTRODUCER
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/* New tokens added v5.0 */
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%token ACTION
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%token ADMIN
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%token CASCADE
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%token FREE_IT /* ISC SQL extension */
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%token RESTRICT
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%token ROLE
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/* New tokens added v6.0 */
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%token COLUMN
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%token KW_TYPE
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%token EXTRACT
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%token YEAR
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%token MONTH
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%token DAY
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%token HOUR
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%token MINUTE
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%token SECOND
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%token WEEKDAY /* ISC SQL extension */
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%token YEARDAY /* ISC SQL extension */
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%token TIME
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%token TIMESTAMP
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%token CURRENT_DATE
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%token CURRENT_TIME
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%token CURRENT_TIMESTAMP
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/* special aggregate token types returned by lex in v6.0 */
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%token NUMBER64BIT SCALEDINT
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/* CVC: Special Firebird additions. */
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%token CURRENT_USER
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%token CURRENT_ROLE
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%token KW_BREAK
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%token SUBSTRING
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%token RECREATE
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%token KW_DESCRIPTOR
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%token FIRST
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%token SKIP
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/* tokens added for Firebird 1.5 */
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%token CURRENT_CONNECTION
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%token CURRENT_TRANSACTION
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%token BIGINT
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%token CASE
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%token NULLIF
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%token COALESCE
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%token USING
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%token NULLS
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%token LAST
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%token ROW_COUNT
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%token LOCK
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%token SAVEPOINT
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%token RELEASE
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%token STATEMENT
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%token LEAVE
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%token INSERTING
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%token UPDATING
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%token DELETING
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/* tokens added for Firebird 2.0 */
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%token BACKUP
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%token KW_DIFFERENCE
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%token OPEN
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%token CLOSE
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%token FETCH
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%token ROWS
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%token BLOCK
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%token IIF
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%token SCALAR_ARRAY
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%token CROSS
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%token NEXT
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%token SEQUENCE
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%token RESTART
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%token BOTH
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%token COLLATION
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%token COMMENT
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%token BIT_LENGTH
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%token CHAR_LENGTH
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%token CHARACTER_LENGTH
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%token LEADING
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%token KW_LOWER
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%token OCTET_LENGTH
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%token TRAILING
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%token TRIM
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%token RETURNING
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%token KW_IGNORE
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%token LIMBO
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%token UNDO
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%token REQUESTS
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%token TIMEOUT
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/* tokens added for Firebird 2.1 */
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%token ABS
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%token ACCENT
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%token ACOS
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%token ALWAYS
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%token ASCII_CHAR
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%token ASCII_VAL
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%token ASIN
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%token ATAN
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%token ATAN2
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%token BIN_AND
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%token BIN_OR
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%token BIN_SHL
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%token BIN_SHR
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%token BIN_XOR
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%token CEIL
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%token CONNECT
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%token COS
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%token COSH
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%token COT
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%token DATEADD
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%token DATEDIFF
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%token DECODE
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%token DISCONNECT
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%token EXP
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%token FLOOR
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%token GEN_UUID
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%token GENERATED
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%token GLOBAL
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%token HASH
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%token INSENSITIVE
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%token LIST
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%token LN
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%token LOG
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%token LOG10
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%token LPAD
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%token MATCHED
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%token MATCHING
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%token MAXVALUE
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%token MILLISECOND
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%token MINVALUE
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%token MOD
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%token OVERLAY
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%token PAD
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%token PI
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%token PLACING
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%token POWER
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%token PRESERVE
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%token RAND
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%token RECURSIVE
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%token REPLACE
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%token REVERSE
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%token ROUND
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%token RPAD
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%token SENSITIVE
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%token SIGN
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%token SIN
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%token SINH
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%token SPACE
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%token SQRT
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%token START
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%token TAN
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%token TANH
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%token TEMPORARY
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%token TRUNC
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%token WEEK
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// tokens added for Firebird 2.5
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%token AUTONOMOUS
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%token CHAR_TO_UUID
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%token FIRSTNAME
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%token LASTNAME
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|
%token MIDDLENAME
|
|
%token MAPPING
|
|
%token OS_NAME
|
|
%token SIMILAR
|
|
%token UUID_TO_CHAR
|
|
// new execute statement
|
|
%token COMMON
|
|
%token DATA
|
|
%token SOURCE
|
|
%token TWO_PHASE
|
|
%token BIND_PARAM
|
|
%token BIN_NOT
|
|
|
|
/* precedence declarations for expression evaluation */
|
|
|
|
%left OR
|
|
%left AND
|
|
%left NOT
|
|
%left '=' '<' '>' LIKE EQL NEQ GTR LSS GEQ LEQ NOT_GTR NOT_LSS
|
|
%left '+' '-'
|
|
%left '*' '/'
|
|
%left CONCATENATE
|
|
%left COLLATE
|
|
|
|
/* Fix the dangling IF-THEN-ELSE problem */
|
|
%nonassoc THEN
|
|
%nonassoc ELSE
|
|
|
|
/* The same issue exists with ALTER COLUMN now that keywords can be used
|
|
in order to change their names. The syntax which shows the issue is:
|
|
ALTER COLUMN where column is part of the alter statement
|
|
or
|
|
ALTER COLUMN where column is the name of the column in the relation
|
|
*/
|
|
%nonassoc ALTER
|
|
%nonassoc COLUMN
|
|
|
|
%%
|
|
|
|
/* list of possible statements */
|
|
|
|
top : statement
|
|
{ DSQL_parse = $1; }
|
|
| statement ';'
|
|
{ DSQL_parse = $1; }
|
|
;
|
|
|
|
statement : alter
|
|
| blob_io
|
|
| comment
|
|
| commit
|
|
| create
|
|
| create_or_alter
|
|
| declare
|
|
| delete
|
|
| drop
|
|
| grant
|
|
| insert
|
|
| merge
|
|
| exec_procedure
|
|
| exec_block
|
|
| recreate
|
|
| revoke
|
|
| rollback
|
|
| savepoint
|
|
| select
|
|
| set
|
|
| update
|
|
| update_or_insert
|
|
| KW_DEBUG signed_short_integer
|
|
{ prepare_console_debug ((IPTR) $2, &yydebug);
|
|
$$ = make_node (nod_null, (int) 0, NULL); }
|
|
;
|
|
|
|
|
|
/* GRANT statement */
|
|
|
|
grant : GRANT privileges ON table_noise simple_table_name
|
|
TO non_role_grantee_list grant_option
|
|
{ $$ = make_node (nod_grant, (int) e_grant_count,
|
|
$2, $5, make_list($7), $8); }
|
|
| GRANT proc_privileges ON PROCEDURE simple_proc_name
|
|
TO non_role_grantee_list grant_option
|
|
{ $$ = make_node (nod_grant, (int) e_grant_count,
|
|
$2, $5, make_list($7), $8); }
|
|
| GRANT role_name_list TO role_grantee_list role_admin_option
|
|
{ $$ = make_node (nod_grant, (int) e_grant_count,
|
|
make_list($2), make_list($4), NULL, $5); }
|
|
;
|
|
|
|
table_noise : TABLE
|
|
|
|
|
;
|
|
|
|
privileges : ALL
|
|
{ $$ = make_node (nod_all, (int) 0, NULL); }
|
|
| ALL PRIVILEGES
|
|
{ $$ = make_node (nod_all, (int) 0, NULL); }
|
|
| privilege_list
|
|
{ $$ = make_list ($1); }
|
|
;
|
|
|
|
privilege_list : privilege
|
|
| privilege_list ',' privilege
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
;
|
|
|
|
proc_privileges : EXECUTE
|
|
{ $$ = make_list (make_node (nod_execute, (int) 0, NULL)); }
|
|
;
|
|
|
|
privilege : SELECT
|
|
{ $$ = make_node (nod_select, (int) 0, NULL); }
|
|
| INSERT
|
|
{ $$ = make_node (nod_insert, (int) 0, NULL); }
|
|
| KW_DELETE
|
|
{ $$ = make_node (nod_delete, (int) 0, NULL); }
|
|
| UPDATE column_parens_opt
|
|
{ $$ = make_node (nod_update, (int) 1, $2); }
|
|
| REFERENCES column_parens_opt
|
|
{ $$ = make_node (nod_references, (int) 1, $2); }
|
|
;
|
|
|
|
grant_option : WITH GRANT OPTION
|
|
{ $$ = make_node (nod_grant, (int) 0, NULL); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
role_admin_option : WITH ADMIN OPTION
|
|
{ $$ = make_node (nod_grant_admin, (int) 0, NULL); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
simple_proc_name: symbol_procedure_name
|
|
{ $$ = make_node (nod_procedure_name, (int) 1, $1); }
|
|
;
|
|
|
|
|
|
/* REVOKE statement */
|
|
|
|
revoke : REVOKE rev_grant_option privileges ON table_noise simple_table_name
|
|
FROM non_role_grantee_list
|
|
{ $$ = make_node (nod_revoke, (int) e_grant_count,
|
|
$3, $6, make_list($8), $2); }
|
|
| REVOKE rev_grant_option proc_privileges ON PROCEDURE simple_proc_name
|
|
FROM non_role_grantee_list
|
|
{ $$ = make_node (nod_revoke, (int) e_grant_count,
|
|
$3, $6, make_list($8), $2); }
|
|
| REVOKE rev_admin_option role_name_list FROM role_grantee_list
|
|
{ $$ = make_node (nod_revoke, (int) e_grant_count,
|
|
make_list($3), make_list($5), NULL, $2); }
|
|
;
|
|
|
|
rev_grant_option : GRANT OPTION FOR
|
|
{ $$ = make_node (nod_grant, (int) 0, NULL); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
rev_admin_option : ADMIN OPTION FOR
|
|
{ $$ = make_node (nod_grant_admin, (int) 0, NULL); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
non_role_grantee_list : grantee_list
|
|
| user_grantee_list
|
|
;
|
|
|
|
grantee_list : grantee
|
|
| grantee_list ',' grantee
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
| grantee_list ',' user_grantee
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
| user_grantee_list ',' grantee
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
;
|
|
|
|
grantee : PROCEDURE symbol_procedure_name
|
|
{ $$ = make_node (nod_proc_obj, (int) 1, $2); }
|
|
| TRIGGER symbol_trigger_name
|
|
{ $$ = make_node (nod_trig_obj, (int) 1, $2); }
|
|
| VIEW symbol_view_name
|
|
{ $$ = make_node (nod_view_obj, (int) 1, $2); }
|
|
| ROLE symbol_role_name
|
|
{ $$ = make_node (nod_role_name, (int) 1, $2); }
|
|
;
|
|
|
|
user_grantee_list : user_grantee
|
|
| user_grantee_list ',' user_grantee
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
;
|
|
|
|
/* CVC: In the future we can deprecate the first implicit form since we'll support
|
|
explicit grant/revoke for both USER and ROLE keywords & object types. */
|
|
|
|
user_grantee : symbol_user_name
|
|
{ $$ = make_node (nod_user_name, (int) 1, $1); }
|
|
| USER symbol_user_name
|
|
{ $$ = make_node (nod_user_name, (int) 2, $2, NULL); }
|
|
| GROUP symbol_user_name
|
|
{ $$ = make_node (nod_user_group, (int) 1, $2); }
|
|
;
|
|
|
|
role_name_list : role_name
|
|
| role_name_list ',' role_name
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
;
|
|
|
|
role_name : symbol_role_name
|
|
{ $$ = make_node (nod_role_name, (int) 1, $1); }
|
|
;
|
|
|
|
role_grantee_list : role_grantee
|
|
| role_grantee_list ',' role_grantee
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
;
|
|
|
|
role_grantee : symbol_user_name
|
|
{ $$ = make_node (nod_user_name, (int) 1, $1); }
|
|
| USER symbol_user_name
|
|
{ $$ = make_node (nod_user_name, (int) 1, $2); }
|
|
;
|
|
|
|
|
|
/* DECLARE operations */
|
|
|
|
declare : DECLARE declare_clause
|
|
{ $$ = $2;}
|
|
;
|
|
|
|
declare_clause : FILTER filter_decl_clause
|
|
{ $$ = $2; }
|
|
| EXTERNAL FUNCTION udf_decl_clause
|
|
{ $$ = $3; }
|
|
;
|
|
|
|
|
|
udf_decl_clause : symbol_UDF_name arg_desc_list1 RETURNS return_value1
|
|
ENTRY_POINT sql_string MODULE_NAME sql_string
|
|
{ $$ = make_node (nod_def_udf, (int) e_udf_count,
|
|
$1, $6, $8, make_list ($2), $4); }
|
|
;
|
|
|
|
udf_data_type : simple_type
|
|
| BLOB
|
|
{ lex.g_field->fld_dtype = dtype_blob; }
|
|
| CSTRING '(' pos_short_integer ')' charset_clause
|
|
{
|
|
lex.g_field->fld_dtype = dtype_cstring;
|
|
lex.g_field->fld_character_length = (USHORT)(IPTR) $3; }
|
|
;
|
|
|
|
arg_desc_list1 :
|
|
{ $$ = NULL; }
|
|
| arg_desc_list
|
|
| '(' arg_desc_list ')'
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
arg_desc_list : arg_desc
|
|
| arg_desc_list ',' arg_desc
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
;
|
|
|
|
/*arg_desc : init_data_type udf_data_type
|
|
{ $$ = $1; } */
|
|
arg_desc : init_data_type udf_data_type param_mechanism
|
|
{ $$ = make_node (nod_udf_param, (int) e_udf_param_count,
|
|
$1, $3); }
|
|
;
|
|
|
|
param_mechanism :
|
|
{ $$ = NULL; } /* Beware: ddl.cpp converts this to mean FUN_reference. */
|
|
| BY KW_DESCRIPTOR
|
|
{ $$ = MAKE_const_slong (FUN_descriptor); }
|
|
| BY SCALAR_ARRAY
|
|
{ $$ = MAKE_const_slong (FUN_scalar_array); }
|
|
| KW_NULL
|
|
{ $$ = MAKE_const_slong (FUN_ref_with_null); }
|
|
;
|
|
|
|
return_value1 : return_value
|
|
| '(' return_value ')'
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
return_value : init_data_type udf_data_type return_mechanism
|
|
{ $$ = make_node (nod_udf_return_value, (int) e_udf_param_count,
|
|
$1, $3); }
|
|
| PARAMETER pos_short_integer
|
|
{ $$ = make_node (nod_udf_return_value, (int) e_udf_param_count,
|
|
NULL, MAKE_const_slong ((IPTR) $2));}
|
|
;
|
|
|
|
return_mechanism :
|
|
{ $$ = MAKE_const_slong (FUN_reference); }
|
|
| BY KW_VALUE
|
|
{ $$ = MAKE_const_slong (FUN_value); }
|
|
| BY KW_DESCRIPTOR
|
|
{ $$ = MAKE_const_slong (FUN_descriptor); }
|
|
| FREE_IT
|
|
{ $$ = MAKE_const_slong (-1 * FUN_reference); }
|
|
/* FUN_refrence with FREE_IT is -ve */
|
|
| BY KW_DESCRIPTOR FREE_IT
|
|
{ $$ = MAKE_const_slong (-1 * FUN_descriptor); }
|
|
;
|
|
|
|
|
|
filter_decl_clause : symbol_filter_name INPUT_TYPE blob_filter_subtype OUTPUT_TYPE blob_filter_subtype
|
|
ENTRY_POINT sql_string MODULE_NAME sql_string
|
|
{ $$ = make_node (nod_def_filter, (int) e_filter_count,
|
|
$1, $3, $5, $7, $9); }
|
|
;
|
|
|
|
blob_filter_subtype : symbol_blob_subtype_name
|
|
{ $$ = MAKE_constant ((dsql_str*) $1, CONSTANT_STRING); }
|
|
|
|
|
signed_short_integer
|
|
{ $$ = MAKE_const_slong ((IPTR) $1); }
|
|
;
|
|
|
|
/* CREATE metadata operations */
|
|
|
|
create : CREATE create_clause
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
create_clause : EXCEPTION exception_clause
|
|
{ $$ = $2; }
|
|
| unique_opt order_direction INDEX symbol_index_name ON simple_table_name index_definition
|
|
{ $$ = make_node (nod_def_index, (int) e_idx_count,
|
|
$1, $2, $4, $6, $7); }
|
|
| PROCEDURE procedure_clause
|
|
{ $$ = $2; }
|
|
| TABLE table_clause
|
|
{ $$ = $2; }
|
|
| GLOBAL TEMPORARY TABLE gtt_table_clause
|
|
{ $$ = $4; }
|
|
| TRIGGER trigger_clause
|
|
{ $$ = $2; }
|
|
| VIEW view_clause
|
|
{ $$ = $2; }
|
|
| GENERATOR generator_clause
|
|
{ $$ = $2; }
|
|
| SEQUENCE generator_clause
|
|
{ $$ = $2; }
|
|
| DATABASE db_clause
|
|
{ $$ = $2; }
|
|
| DOMAIN domain_clause
|
|
{ $$ = $2; }
|
|
| SHADOW shadow_clause
|
|
{ $$ = $2; }
|
|
| ROLE role_clause
|
|
{ $$ = $2; }
|
|
| COLLATION collation_clause
|
|
{ $$ = $2; }
|
|
| USER create_user_clause
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
|
|
recreate : RECREATE recreate_clause
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
recreate_clause : PROCEDURE rprocedure_clause
|
|
{ $$ = $2; }
|
|
| TABLE rtable_clause
|
|
{ $$ = $2; }
|
|
| GLOBAL TEMPORARY TABLE gtt_recreate_clause
|
|
{ $$ = $4; }
|
|
| VIEW rview_clause
|
|
{ $$ = $2; }
|
|
| TRIGGER rtrigger_clause
|
|
{ $$ = $2; }
|
|
/*
|
|
| DOMAIN rdomain_clause
|
|
{ $$ = $2; }
|
|
*/
|
|
| EXCEPTION rexception_clause
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
create_or_alter : CREATE OR ALTER replace_clause
|
|
{ $$ = $4; }
|
|
;
|
|
|
|
replace_clause : PROCEDURE replace_procedure_clause
|
|
{ $$ = $2; }
|
|
| TRIGGER replace_trigger_clause
|
|
{ $$ = $2; }
|
|
| VIEW replace_view_clause
|
|
{ $$ = $2; }
|
|
| EXCEPTION replace_exception_clause
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
|
|
/* CREATE EXCEPTION */
|
|
|
|
exception_clause : symbol_exception_name sql_string
|
|
{ $$ = make_node (nod_def_exception, (int) e_xcp_count,
|
|
$1, $2); }
|
|
;
|
|
|
|
rexception_clause : symbol_exception_name sql_string
|
|
{ $$ = make_node (nod_redef_exception, (int) e_xcp_count,
|
|
$1, $2); }
|
|
;
|
|
|
|
replace_exception_clause : symbol_exception_name sql_string
|
|
{ $$ = make_node (nod_replace_exception, (int) e_xcp_count,
|
|
$1, $2); }
|
|
;
|
|
|
|
alter_exception_clause : symbol_exception_name sql_string
|
|
{ $$ = make_node (nod_mod_exception, (int) e_xcp_count,
|
|
$1, $2); }
|
|
;
|
|
|
|
|
|
/* CREATE INDEX */
|
|
|
|
unique_opt : UNIQUE
|
|
{ $$ = make_node (nod_unique, 0, NULL); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
index_definition : column_list
|
|
{ $$ = make_list ($1); }
|
|
| column_parens
|
|
| computed_by '(' begin_trigger value end_trigger ')'
|
|
{ $$ = make_node (nod_def_computed, 2, $4, $5); }
|
|
;
|
|
|
|
|
|
/* CREATE SHADOW */
|
|
shadow_clause : pos_short_integer manual_auto conditional sql_string
|
|
first_file_length sec_shadow_files
|
|
{ $$ = make_node (nod_def_shadow, (int) e_shadow_count,
|
|
$1, $2, $3, $4, $5, make_list ($6)); }
|
|
;
|
|
|
|
manual_auto : MANUAL
|
|
{ $$ = MAKE_const_slong (1); }
|
|
| AUTO
|
|
{ $$ = MAKE_const_slong (0); }
|
|
|
|
|
{ $$ = MAKE_const_slong (0); }
|
|
;
|
|
|
|
conditional :
|
|
{ $$ = MAKE_const_slong (0); }
|
|
| CONDITIONAL
|
|
{ $$ = MAKE_const_slong (1); }
|
|
;
|
|
|
|
first_file_length :
|
|
{ $$ = (dsql_nod*) 0;}
|
|
| LENGTH equals long_integer page_noise
|
|
{ $$ = $3; }
|
|
;
|
|
|
|
sec_shadow_files :
|
|
{ $$ = NULL; }
|
|
| db_file_list
|
|
;
|
|
|
|
db_file_list : db_file
|
|
| db_file_list db_file
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $2); }
|
|
;
|
|
|
|
|
|
/* CREATE DOMAIN */
|
|
|
|
domain_clause : column_def_name
|
|
as_opt
|
|
data_type
|
|
domain_default_opt
|
|
domain_constraint_clause
|
|
collate_clause
|
|
{ $$ = make_node (nod_def_domain, (int) e_dom_count, $1, $4, make_list ($5), $6); }
|
|
;
|
|
|
|
/*
|
|
rdomain_clause : DOMAIN alter_column_name alter_domain_ops
|
|
{ $$ = make_node (nod_mod_domain, (int) e_alt_count,
|
|
$2, make_list ($3)); }
|
|
*/
|
|
|
|
as_opt : AS
|
|
{ $$ = NULL; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
domain_default : DEFAULT begin_trigger default_value end_trigger
|
|
{ $$ = make_node (nod_def_default, (int) e_dft_count, $3, $4); }
|
|
;
|
|
|
|
domain_default_opt : domain_default
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
domain_constraint_clause : domain_constraint_list
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
domain_constraint_list : domain_constraint_def
|
|
| domain_constraint_list domain_constraint_def
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $2); }
|
|
;
|
|
|
|
domain_constraint_def : domain_constraint
|
|
{ $$ = make_node (nod_rel_constraint, (int) 2, NULL, $1);}
|
|
;
|
|
|
|
domain_constraint : null_constraint
|
|
| check_constraint
|
|
;
|
|
|
|
null_constraint : NOT KW_NULL
|
|
{ $$ = make_node (nod_null, (int) 0, NULL); }
|
|
;
|
|
|
|
check_constraint : CHECK begin_trigger '(' search_condition ')' end_trigger
|
|
{ $$ = make_node (nod_def_constraint, (int) e_cnstr_count,
|
|
NULL, NULL, $4, NULL, $6); }
|
|
;
|
|
|
|
|
|
/* CREATE SEQUENCE/GENERATOR */
|
|
|
|
generator_clause : symbol_generator_name
|
|
{ $$ = make_node (nod_def_generator, (int) e_gen_count, $1); }
|
|
;
|
|
|
|
|
|
/* CREATE ROLE */
|
|
|
|
role_clause : symbol_role_name
|
|
{ $$ = make_node (nod_def_role, (int) 1, $1); }
|
|
;
|
|
|
|
|
|
/* CREATE COLLATION */
|
|
|
|
collation_clause : symbol_collation_name FOR symbol_character_set_name
|
|
collation_sequence_definition
|
|
collation_attribute_list_opt collation_specific_attribute_opt
|
|
{ $$ = make_node (nod_def_collation,
|
|
(int) e_def_coll_count, $1, $3, $4, make_list($5), $6); }
|
|
;
|
|
|
|
collation_sequence_definition :
|
|
FROM symbol_collation_name
|
|
{ $$ = make_node(nod_collation_from, 1, $2); }
|
|
| FROM EXTERNAL '(' sql_string ')'
|
|
{ $$ = make_node(nod_collation_from_external, 1, $4); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
collation_attribute_list_opt :
|
|
{ $$ = NULL; }
|
|
| collation_attribute_list
|
|
;
|
|
|
|
collation_attribute_list : collation_attribute
|
|
| collation_attribute_list collation_attribute
|
|
{ $$ = make_node(nod_list, 2, $1, $2); }
|
|
;
|
|
|
|
collation_attribute :
|
|
collation_pad_attribute
|
|
| collation_case_attribute
|
|
| collation_accent_attribute
|
|
;
|
|
|
|
collation_pad_attribute : NO PAD
|
|
{ $$ = make_node(nod_collation_attr, 1, -TEXTTYPE_ATTR_PAD_SPACE); }
|
|
| PAD SPACE
|
|
{ $$ = make_node(nod_collation_attr, 1, TEXTTYPE_ATTR_PAD_SPACE); }
|
|
;
|
|
|
|
collation_case_attribute : CASE SENSITIVE
|
|
{ $$ = make_node(nod_collation_attr, 1, -TEXTTYPE_ATTR_CASE_INSENSITIVE); }
|
|
| CASE INSENSITIVE
|
|
{ $$ = make_node(nod_collation_attr, 1, TEXTTYPE_ATTR_CASE_INSENSITIVE); }
|
|
;
|
|
|
|
collation_accent_attribute : ACCENT SENSITIVE
|
|
{ $$ = make_node(nod_collation_attr, 1, -TEXTTYPE_ATTR_ACCENT_INSENSITIVE); }
|
|
| ACCENT INSENSITIVE
|
|
{ $$ = make_node(nod_collation_attr, 1, TEXTTYPE_ATTR_ACCENT_INSENSITIVE); }
|
|
;
|
|
|
|
collation_specific_attribute_opt :
|
|
{ $$ = NULL; }
|
|
| sql_string
|
|
{ $$ = make_node(nod_collation_specific_attr, 1,
|
|
MAKE_constant((dsql_str*)$1, CONSTANT_STRING)); }
|
|
;
|
|
|
|
// ALTER CHARACTER SET
|
|
|
|
alter_charset_clause
|
|
: symbol_character_set_name SET DEFAULT COLLATION symbol_collation_name
|
|
{
|
|
$$ = makeClassNode(FB_NEW(getPool())
|
|
AlterCharSetNode(getPool(), toName($1), toName($5)));
|
|
}
|
|
;
|
|
|
|
/* CREATE DATABASE */
|
|
|
|
db_clause : db_name db_initial_desc1 db_rem_desc1
|
|
{ $$ = make_node (nod_def_database, (int) e_cdb_count,
|
|
$1, make_list($2), make_list ($3));}
|
|
;
|
|
|
|
equals :
|
|
| '='
|
|
;
|
|
|
|
db_name : sql_string
|
|
{ $$ = (dsql_nod*) $1; }
|
|
;
|
|
|
|
db_initial_desc1 :
|
|
{$$ = NULL;}
|
|
| db_initial_desc
|
|
;
|
|
|
|
db_initial_desc : db_initial_option
|
|
| db_initial_desc db_initial_option
|
|
{ $$ = make_node (nod_list, 2, $1, $2); }
|
|
;
|
|
|
|
db_initial_option: KW_PAGE_SIZE equals pos_short_integer
|
|
{ $$ = make_node (nod_page_size, 1, $3);}
|
|
| LENGTH equals long_integer page_noise
|
|
{ $$ = make_node (nod_file_length, 1, $3);}
|
|
| USER sql_string
|
|
{ $$ = make_node (nod_user_name, 1, $2);}
|
|
| PASSWORD sql_string
|
|
{ $$ = make_node (nod_password, 1, $2);}
|
|
| SET NAMES sql_string
|
|
{ $$ = make_node (nod_lc_ctype, 1, $3);}
|
|
;
|
|
|
|
db_rem_desc1 :
|
|
{$$ = NULL;}
|
|
| db_rem_desc
|
|
;
|
|
|
|
db_rem_desc : db_rem_option
|
|
| db_rem_desc db_rem_option
|
|
{ $$ = make_node (nod_list, 2, $1, $2); }
|
|
;
|
|
|
|
db_rem_option : db_file
|
|
| DEFAULT CHARACTER SET symbol_character_set_name
|
|
{ $$ = make_node (nod_dfl_charset, 1, $4);}
|
|
| DEFAULT CHARACTER SET symbol_character_set_name COLLATION symbol_collation_name
|
|
{ $$ = make_node (nod_list, 2,
|
|
make_node (nod_dfl_charset, 1, $4),
|
|
make_node (nod_dfl_collate, 1, $6));
|
|
}
|
|
| KW_DIFFERENCE KW_FILE sql_string
|
|
{ $$ = make_node (nod_difference_file, 1, $3); }
|
|
;
|
|
|
|
db_file : file1 sql_string file_desc1
|
|
{ lex.g_file->fil_name = (dsql_str*) $2;
|
|
$$ = (dsql_nod*) make_node (nod_file_desc, (int) 1,
|
|
(dsql_nod*) lex.g_file); }
|
|
;
|
|
|
|
file1 : KW_FILE
|
|
{ lex.g_file = make_file();}
|
|
;
|
|
|
|
file_desc1 :
|
|
| file_desc
|
|
;
|
|
|
|
file_desc : file_clause
|
|
| file_desc file_clause
|
|
;
|
|
|
|
file_clause : STARTING file_clause_noise long_integer
|
|
{ lex.g_file->fil_start = (IPTR) $3;}
|
|
| LENGTH equals long_integer page_noise
|
|
{ lex.g_file->fil_length = (IPTR) $3;}
|
|
;
|
|
|
|
file_clause_noise :
|
|
| AT
|
|
| AT PAGE
|
|
;
|
|
|
|
page_noise :
|
|
| PAGE
|
|
| PAGES
|
|
;
|
|
|
|
|
|
/* CREATE TABLE */
|
|
|
|
table_clause : simple_table_name external_file '(' table_elements ')'
|
|
{ $$ = make_flag_node (nod_def_relation, NOD_PERMANENT_TABLE,
|
|
(int) e_drl_count, $1, make_list ($4), $2); }
|
|
;
|
|
|
|
rtable_clause : simple_table_name external_file '(' table_elements ')'
|
|
{ $$ = make_flag_node (nod_redef_relation, NOD_PERMANENT_TABLE,
|
|
(int) e_drl_count, $1, make_list ($4), $2); }
|
|
;
|
|
|
|
gtt_table_clause : simple_table_name '(' table_elements ')' gtt_scope
|
|
{ $$ = make_flag_node (nod_def_relation, (SSHORT) (IPTR) ($5),
|
|
(int) e_drl_count, $1, make_list ($3), NULL); }
|
|
;
|
|
|
|
gtt_recreate_clause : simple_table_name '(' table_elements ')' gtt_scope
|
|
{ $$ = make_flag_node (nod_redef_relation, (SSHORT) (IPTR) ($5),
|
|
(int) e_drl_count, $1, make_list ($3), NULL); }
|
|
;
|
|
|
|
gtt_scope : ON COMMIT PRESERVE ROWS
|
|
{ $$ = (dsql_nod*) NOD_GLOBAL_TEMP_TABLE_PRESERVE_ROWS; }
|
|
| ON COMMIT KW_DELETE ROWS
|
|
{ $$ = (dsql_nod*) NOD_GLOBAL_TEMP_TABLE_DELETE_ROWS; }
|
|
|
|
|
{ $$ = (dsql_nod*) NOD_GLOBAL_TEMP_TABLE_DELETE_ROWS; }
|
|
;
|
|
|
|
external_file : EXTERNAL KW_FILE sql_string
|
|
{ $$ = $3; }
|
|
| EXTERNAL sql_string
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
table_elements : table_element
|
|
| table_elements ',' table_element
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
table_element : column_def
|
|
| table_constraint_definition
|
|
;
|
|
|
|
|
|
|
|
/* column definition */
|
|
|
|
column_def : column_def_name data_type_or_domain domain_default_opt
|
|
column_constraint_clause collate_clause
|
|
{ $$ = make_node (nod_def_field, (int) e_dfl_count,
|
|
$1, $3, make_list ($4), $5, $2, NULL); }
|
|
| column_def_name non_array_type def_computed
|
|
{ $$ = make_node (nod_def_field, (int) e_dfl_count,
|
|
$1, NULL, NULL, NULL, NULL, $3); }
|
|
| column_def_name def_computed
|
|
{ $$ = make_node (nod_def_field, (int) e_dfl_count,
|
|
$1, NULL, NULL, NULL, NULL, $2); }
|
|
;
|
|
|
|
/* value does allow parens around it, but there is a problem getting the
|
|
* source text
|
|
*/
|
|
|
|
def_computed : computed_clause '(' begin_trigger value end_trigger ')'
|
|
{
|
|
lex.g_field->fld_flags |= FLD_computed;
|
|
$$ = make_node (nod_def_computed, 2, $4, $5);
|
|
}
|
|
;
|
|
|
|
computed_clause : computed_by
|
|
| GENERATED ALWAYS AS
|
|
;
|
|
|
|
computed_by : COMPUTED BY
|
|
| COMPUTED
|
|
;
|
|
|
|
data_type_or_domain : data_type
|
|
{ $$ = NULL; }
|
|
| simple_column_name
|
|
{ $$ = make_node (nod_def_domain, (int) e_dom_count, $1, NULL, NULL, NULL); }
|
|
;
|
|
|
|
collate_clause : COLLATE symbol_collation_name
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
|
|
column_def_name : simple_column_name
|
|
{
|
|
lex.g_field_name = $1;
|
|
lex.g_field = make_field ($1);
|
|
$$ = (dsql_nod*) lex.g_field;
|
|
}
|
|
;
|
|
|
|
simple_column_def_name : simple_column_name
|
|
{
|
|
lex.g_field = make_field ($1);
|
|
$$ = (dsql_nod*) lex.g_field;
|
|
}
|
|
;
|
|
|
|
|
|
data_type_descriptor : init_data_type data_type
|
|
{ $$ = $1; }
|
|
| KW_TYPE OF column_def_name
|
|
{
|
|
((dsql_fld*) $3)->fld_type_of_name = ((dsql_fld*) $3)->fld_name;
|
|
$$ = $3;
|
|
}
|
|
| KW_TYPE OF COLUMN symbol_column_name '.' symbol_column_name
|
|
{
|
|
lex.g_field = make_field(NULL);
|
|
lex.g_field->fld_type_of_table = ((dsql_str*) $4);
|
|
lex.g_field->fld_type_of_name = ((dsql_str*) $6)->str_data;
|
|
$$ = (dsql_nod*) lex.g_field;
|
|
}
|
|
| column_def_name
|
|
{
|
|
((dsql_fld*) $1)->fld_type_of_name = ((dsql_fld*) $1)->fld_name;
|
|
((dsql_fld*) $1)->fld_full_domain = true;
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
init_data_type :
|
|
{ lex.g_field = make_field (NULL);
|
|
$$ = (dsql_nod*) lex.g_field; }
|
|
;
|
|
|
|
|
|
default_value : constant
|
|
| current_user
|
|
| current_role
|
|
| internal_info
|
|
| null_value
|
|
| datetime_value_expression
|
|
;
|
|
|
|
column_constraint_clause :
|
|
{ $$ = NULL; }
|
|
| column_constraint_list
|
|
;
|
|
|
|
column_constraint_list : column_constraint_def
|
|
| column_constraint_list column_constraint_def
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $2); }
|
|
;
|
|
|
|
column_constraint_def : constraint_name_opt column_constraint
|
|
{ $$ = make_node (nod_rel_constraint, (int) 2, $1, $2);}
|
|
;
|
|
|
|
|
|
column_constraint : null_constraint
|
|
| check_constraint
|
|
| REFERENCES simple_table_name column_parens_opt
|
|
referential_trigger_action constraint_index_opt
|
|
{ $$ = make_node (nod_foreign, (int) e_for_count,
|
|
make_node (nod_list, (int) 1, lex.g_field_name), $2, $3, $4, $5); }
|
|
|
|
| UNIQUE constraint_index_opt
|
|
{ $$ = make_node (nod_unique, 2, NULL, $2); }
|
|
| PRIMARY KEY constraint_index_opt
|
|
{ $$ = make_node (nod_primary, (int) e_pri_count, NULL, $3); }
|
|
;
|
|
|
|
|
|
|
|
/* table constraints */
|
|
|
|
table_constraint_definition : constraint_name_opt table_constraint
|
|
{ $$ = make_node (nod_rel_constraint, (int) 2, $1, $2);}
|
|
;
|
|
|
|
constraint_name_opt : CONSTRAINT symbol_constraint_name
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL ;}
|
|
;
|
|
|
|
table_constraint : unique_constraint
|
|
| primary_constraint
|
|
| referential_constraint
|
|
| check_constraint
|
|
;
|
|
|
|
unique_constraint : UNIQUE column_parens constraint_index_opt
|
|
{ $$ = make_node (nod_unique, 2, $2, $3); }
|
|
;
|
|
|
|
primary_constraint : PRIMARY KEY column_parens constraint_index_opt
|
|
{ $$ = make_node (nod_primary, (int) e_pri_count, $3, $4); }
|
|
;
|
|
|
|
referential_constraint : FOREIGN KEY column_parens REFERENCES
|
|
simple_table_name column_parens_opt
|
|
referential_trigger_action constraint_index_opt
|
|
{ $$ = make_node (nod_foreign, (int) e_for_count, $3, $5,
|
|
$6, $7, $8); }
|
|
;
|
|
|
|
constraint_index_opt : USING order_direction INDEX symbol_index_name
|
|
{ $$ = make_node (nod_def_index, (int) e_idx_count,
|
|
NULL, $2, $4, NULL, NULL); }
|
|
/*
|
|
| NO INDEX
|
|
{ $$ = NULL; }
|
|
*/
|
|
|
|
|
{ $$ = make_node (nod_def_index, (int) e_idx_count,
|
|
NULL, NULL, NULL, NULL, NULL); }
|
|
;
|
|
|
|
referential_trigger_action:
|
|
update_rule
|
|
{ $$ = make_node (nod_ref_upd_del, (int) e_ref_upd_del_count, $1, NULL);}
|
|
| delete_rule
|
|
{ $$ = make_node (nod_ref_upd_del, (int) e_ref_upd_del_count, NULL, $1);}
|
|
| delete_rule update_rule
|
|
{ $$ = make_node (nod_ref_upd_del, (int) e_ref_upd_del_count, $2, $1); }
|
|
| update_rule delete_rule
|
|
{ $$ = make_node (nod_ref_upd_del, (int) e_ref_upd_del_count, $1, $2);}
|
|
| /* empty */
|
|
{ $$ = NULL;}
|
|
;
|
|
|
|
update_rule : ON UPDATE referential_action
|
|
{ $$ = $3;}
|
|
;
|
|
delete_rule : ON KW_DELETE referential_action
|
|
{ $$ = $3;}
|
|
;
|
|
|
|
referential_action: CASCADE
|
|
{ $$ = make_flag_node (nod_ref_trig_action,
|
|
REF_ACTION_CASCADE, (int) e_ref_trig_action_count, NULL);}
|
|
| SET DEFAULT
|
|
{ $$ = make_flag_node (nod_ref_trig_action,
|
|
REF_ACTION_SET_DEFAULT, (int) e_ref_trig_action_count, NULL);}
|
|
| SET KW_NULL
|
|
{ $$ = make_flag_node (nod_ref_trig_action,
|
|
REF_ACTION_SET_NULL, (int) e_ref_trig_action_count, NULL);}
|
|
| NO ACTION
|
|
{ $$ = make_flag_node (nod_ref_trig_action,
|
|
REF_ACTION_NONE, (int) e_ref_trig_action_count, NULL);}
|
|
;
|
|
|
|
|
|
/* PROCEDURE */
|
|
|
|
|
|
procedure_clause : symbol_procedure_name input_parameters
|
|
output_parameters
|
|
AS begin_string
|
|
local_declaration_list
|
|
full_proc_block
|
|
end_trigger
|
|
{ $$ = make_node (nod_def_procedure,
|
|
(int) e_prc_count, $1, $2, $3, $6, $7, $8); }
|
|
;
|
|
|
|
|
|
rprocedure_clause : symbol_procedure_name input_parameters
|
|
output_parameters
|
|
AS begin_string
|
|
local_declaration_list
|
|
full_proc_block
|
|
end_trigger
|
|
{ $$ = make_node (nod_redef_procedure,
|
|
(int) e_prc_count, $1, $2, $3, $6, $7, $8); }
|
|
;
|
|
|
|
replace_procedure_clause : symbol_procedure_name input_parameters
|
|
output_parameters
|
|
AS begin_string
|
|
local_declaration_list
|
|
full_proc_block
|
|
end_trigger
|
|
{ $$ = make_node (nod_replace_procedure,
|
|
(int) e_prc_count, $1, $2, $3, $6, $7, $8); }
|
|
;
|
|
|
|
alter_procedure_clause : symbol_procedure_name input_parameters
|
|
output_parameters
|
|
AS begin_string
|
|
local_declaration_list
|
|
full_proc_block
|
|
end_trigger
|
|
{ $$ = make_node (nod_mod_procedure,
|
|
(int) e_prc_count, $1, $2, $3, $6, $7, $8); }
|
|
;
|
|
|
|
input_parameters : '(' input_proc_parameters ')'
|
|
{ $$ = make_list ($2); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
output_parameters : RETURNS '(' output_proc_parameters ')'
|
|
{ $$ = make_list ($3); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
input_proc_parameters : input_proc_parameter
|
|
| input_proc_parameters ',' input_proc_parameter
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
input_proc_parameter : simple_column_def_name domain_or_non_array_type collate_clause
|
|
default_par_opt
|
|
{ $$ = make_node (nod_def_field, (int) e_dfl_count,
|
|
$1, $4, NULL, $3, NULL, NULL); }
|
|
;
|
|
|
|
output_proc_parameters : proc_parameter
|
|
| output_proc_parameters ',' proc_parameter
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
proc_parameter : simple_column_def_name domain_or_non_array_type collate_clause
|
|
{ $$ = make_node (nod_def_field, (int) e_dfl_count,
|
|
$1, NULL, NULL, $3, NULL, NULL); }
|
|
;
|
|
|
|
default_par_opt : DEFAULT begin_trigger default_value end_trigger
|
|
{ $$ = make_node (nod_def_default, (int) e_dft_count, $3, $4); }
|
|
| '=' begin_trigger default_value end_trigger
|
|
{ $$ = make_node (nod_def_default, (int) e_dft_count, $3, $4); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
local_declaration_list : local_declarations
|
|
{ $$ = make_list ($1); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
local_declarations : local_declaration
|
|
| local_declarations local_declaration
|
|
{ $$ = make_node (nod_list, 2, $1, $2); }
|
|
;
|
|
|
|
local_declaration : stmt_start_line stmt_start_column DECLARE var_decl_opt local_declaration_item ';'
|
|
{
|
|
$$ = $5;
|
|
$$->nod_line = (IPTR) $1;
|
|
$$->nod_column = (IPTR) $2;
|
|
}
|
|
;
|
|
|
|
local_declaration_item : var_declaration_item
|
|
| cursor_declaration_item
|
|
;
|
|
|
|
var_declaration_item : column_def_name domain_or_non_array_type collate_clause default_par_opt
|
|
{ $$ = make_node (nod_def_field, (int) e_dfl_count,
|
|
$1, $4, NULL, $3, NULL, NULL); }
|
|
;
|
|
|
|
var_decl_opt : VARIABLE
|
|
{ $$ = NULL; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
cursor_declaration_item : symbol_cursor_name CURSOR FOR '(' select ')'
|
|
{ $$ = make_flag_node (nod_cursor, NOD_CURSOR_EXPLICIT,
|
|
(int) e_cur_count, $1, $5, NULL, NULL); }
|
|
;
|
|
|
|
proc_block : proc_statement
|
|
| full_proc_block
|
|
;
|
|
|
|
full_proc_block : stmt_start_line stmt_start_column BEGIN full_proc_block_body END
|
|
{
|
|
$$ = make_node (nod_src_info, e_src_info_count, $1, $2, $4);
|
|
}
|
|
;
|
|
|
|
full_proc_block_body : proc_statements
|
|
{ $$ = make_node (nod_block, (int) e_blk_count, make_list ($1), NULL); }
|
|
| proc_statements excp_hndl_statements
|
|
{ $$ = make_node (nod_block, (int) e_blk_count, make_list ($1), make_list ($2)); }
|
|
|
|
|
{ $$ = make_node (nod_block, (int) e_blk_count, NULL, NULL);}
|
|
;
|
|
|
|
proc_statements : proc_block
|
|
| proc_statements proc_block
|
|
{ $$ = make_node (nod_list, 2, $1, $2); }
|
|
;
|
|
|
|
proc_statement : stmt_start_line stmt_start_column simple_proc_statement ';'
|
|
{
|
|
$$ = make_node (nod_src_info, e_src_info_count, $1, $2, $3);
|
|
}
|
|
| stmt_start_line stmt_start_column complex_proc_statement
|
|
{
|
|
$$ = make_node (nod_src_info, e_src_info_count, $1, $2, $3);
|
|
}
|
|
;
|
|
|
|
stmt_start_line :
|
|
{ $$ = (dsql_nod*) (IPTR) lex.lines_bk; }
|
|
|
|
stmt_start_column :
|
|
{
|
|
const USHORT column = (lex.last_token_bk - lex.line_start_bk + 1);
|
|
$$ = (dsql_nod*) (IPTR) column;
|
|
}
|
|
|
|
simple_proc_statement : assignment
|
|
| insert
|
|
| merge
|
|
| update
|
|
| update_or_insert
|
|
| delete
|
|
| singleton_select
|
|
| exec_procedure
|
|
| exec_sql
|
|
| exec_into
|
|
| exec_function
|
|
| excp_statement
|
|
| raise_statement
|
|
| post_event
|
|
| cursor_statement
|
|
| breakleave
|
|
| SUSPEND
|
|
{ $$ = make_node (nod_return, (int) e_rtn_count, NULL); }
|
|
| EXIT
|
|
{ $$ = make_node (nod_exit, 0, NULL); }
|
|
;
|
|
|
|
complex_proc_statement
|
|
: in_autonomous_transaction
|
|
| if_then_else
|
|
| while
|
|
| for_select
|
|
| for_exec_into
|
|
;
|
|
|
|
in_autonomous_transaction
|
|
: KW_IN AUTONOMOUS TRANSACTION DO proc_block
|
|
{ $$ = make_node(nod_auto_trans, (int) e_auto_trans_count, $5); }
|
|
;
|
|
|
|
excp_statement : EXCEPTION symbol_exception_name
|
|
{ $$ = make_node (nod_exception_stmt, (int) e_xcp_count, $2, NULL); }
|
|
| EXCEPTION symbol_exception_name value
|
|
{ $$ = make_node (nod_exception_stmt, (int) e_xcp_count, $2, $3); }
|
|
;
|
|
|
|
raise_statement : EXCEPTION
|
|
{ $$ = make_node (nod_exception_stmt, (int) e_xcp_count, NULL, NULL); }
|
|
;
|
|
|
|
//exec_sql : EXECUTE STATEMENT value
|
|
// { $$ = make_node (nod_exec_sql, (int) e_exec_sql_count, $3); }
|
|
// ;
|
|
|
|
for_select : label_opt FOR select INTO variable_list cursor_def DO proc_block
|
|
{ $$ = make_node (nod_for_select, (int) e_flp_count, $3,
|
|
make_list ($5), $6, $8, $1); }
|
|
;
|
|
|
|
//for_exec_into : label_opt FOR EXECUTE STATEMENT value INTO variable_list DO proc_block
|
|
// { $$ = make_node (nod_exec_into, (int) e_exec_into_count, $5, $9, make_list ($7), $1); }
|
|
// ;
|
|
//
|
|
//exec_into : EXECUTE STATEMENT value INTO variable_list
|
|
// { $$ = make_node (nod_exec_into, (int) e_exec_into_count, $3, 0, make_list ($5)); }
|
|
// ;
|
|
|
|
exec_sql
|
|
: EXECUTE STATEMENT exec_stmt_inputs
|
|
ext_datasrc_opt ext_user_opt ext_pwd_opt ext_tran_opt
|
|
{
|
|
$$ = make_node (nod_exec_stmt, int (e_exec_stmt_count),
|
|
($3)->nod_arg[0], ($3)->nod_arg[1], 0, 0, $4, $5, $6, $7, 0);
|
|
}
|
|
;
|
|
|
|
exec_into
|
|
: EXECUTE STATEMENT exec_stmt_inputs
|
|
ext_datasrc_opt ext_user_opt ext_pwd_opt ext_tran_opt
|
|
INTO variable_list
|
|
{
|
|
$$ = make_node (nod_exec_stmt, int (e_exec_stmt_count),
|
|
($3)->nod_arg[0], ($3)->nod_arg[1], make_list ($9), 0, $4, $5, $6, $7, 0);
|
|
}
|
|
;
|
|
|
|
for_exec_into
|
|
: label_opt FOR EXECUTE STATEMENT exec_stmt_inputs
|
|
ext_datasrc_opt ext_user_opt ext_pwd_opt ext_tran_opt
|
|
INTO variable_list
|
|
DO proc_block
|
|
{
|
|
$$ = make_node (nod_exec_stmt, int (e_exec_stmt_count),
|
|
($5)->nod_arg[0], ($5)->nod_arg[1], make_list ($11), $13, $6, $7, $8, $9, $1);
|
|
}
|
|
;
|
|
|
|
exec_stmt_inputs
|
|
: value
|
|
{ $$ = make_node (nod_exec_stmt_inputs, e_exec_stmt_inputs_count, $1, NULL); }
|
|
| '(' value ')' '(' named_params_list ')'
|
|
{ $$ = make_node (nod_exec_stmt_inputs, e_exec_stmt_inputs_count, $2, make_list ($5)); }
|
|
| '(' value ')' '(' not_named_params_list ')'
|
|
{ $$ = make_node (nod_exec_stmt_inputs, e_exec_stmt_inputs_count, $2, make_list ($5)); }
|
|
;
|
|
|
|
named_params_list
|
|
: named_param
|
|
| named_params_list ',' named_param
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
named_param
|
|
: symbol_variable_name BIND_PARAM value
|
|
{ $$ = make_node (nod_named_param, e_named_param_count, $1, $3); }
|
|
;
|
|
|
|
not_named_params_list
|
|
: not_named_param
|
|
| not_named_params_list ',' not_named_param
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
not_named_param
|
|
: value
|
|
{ $$ = make_node (nod_named_param, e_named_param_count, NULL, $1); }
|
|
;
|
|
|
|
ext_datasrc_opt
|
|
: ON EXTERNAL DATA SOURCE value
|
|
{ $$ = $5; }
|
|
| ON EXTERNAL value
|
|
{ $$ = $3; }
|
|
|
|
|
{ $$ = make_node (nod_null, 0, NULL); }
|
|
;
|
|
|
|
ext_user_opt
|
|
: AS USER value
|
|
{ $$ = $3; }
|
|
|
|
|
{ $$ = make_node (nod_null, 0, NULL); }
|
|
;
|
|
|
|
ext_pwd_opt
|
|
: PASSWORD value
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = make_node (nod_null, 0, NULL); }
|
|
;
|
|
|
|
ext_tran_opt
|
|
: WITH AUTONOMOUS TRANSACTION
|
|
{ $$ = make_flag_node(nod_tran_params, NOD_TRAN_AUTONOMOUS, 1, NULL); }
|
|
| WITH COMMON TRANSACTION
|
|
{ $$ = make_flag_node(nod_tran_params, NOD_TRAN_COMMON, 1, NULL); }
|
|
// | WITH TWO_PHASE TRANSACTION
|
|
// { $$ = make_flag_node(nod_tran_params, NOD_TRAN_2PC, 1, NULL); }
|
|
|
|
|
{ $$ = make_flag_node(nod_tran_params, NOD_TRAN_COMMON, 1, NULL); }
|
|
;
|
|
|
|
if_then_else : IF '(' search_condition ')' THEN proc_block ELSE proc_block
|
|
{ $$ = make_node (nod_if, (int) e_if_count, $3, $6, $8); }
|
|
| IF '(' search_condition ')' THEN proc_block
|
|
{ $$ = make_node (nod_if, (int) e_if_count, $3, $6, NULL); }
|
|
;
|
|
|
|
post_event : POST_EVENT value event_argument_opt
|
|
{ $$ = make_node (nod_post, (int) e_pst_count, $2, $3); }
|
|
;
|
|
|
|
event_argument_opt : /*',' value
|
|
{ $$ = $2; }
|
|
|*/
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
singleton_select : select INTO variable_list
|
|
{ $$ = make_node (nod_for_select, (int) e_flp_count, $1,
|
|
make_list ($3), NULL, NULL, NULL); }
|
|
;
|
|
|
|
variable : ':' symbol_variable_name
|
|
{ $$ = make_node (nod_var_name, (int) e_vrn_count,
|
|
$2); }
|
|
;
|
|
|
|
variable_list : variable
|
|
| column_name
|
|
| variable_list ',' column_name
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
| variable_list ',' variable
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
while : label_opt WHILE '(' search_condition ')' DO proc_block
|
|
{ $$ = make_node (nod_while, (int) e_while_count, $4, $7, $1); }
|
|
;
|
|
|
|
label_opt : symbol_label_name ':'
|
|
{ $$ = make_node (nod_label, (int) e_label_count, $1, NULL); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
breakleave : KW_BREAK
|
|
{ $$ = make_node (nod_breakleave, (int) e_breakleave_count, NULL); }
|
|
| LEAVE
|
|
{ $$ = make_node (nod_breakleave, (int) e_breakleave_count, NULL); }
|
|
| LEAVE symbol_label_name
|
|
{ $$ = make_node (nod_breakleave, (int) e_breakleave_count,
|
|
make_node (nod_label, (int) e_label_count, $2, NULL)); }
|
|
;
|
|
|
|
cursor_def : AS CURSOR symbol_cursor_name
|
|
{ $$ = make_flag_node (nod_cursor, NOD_CURSOR_FOR,
|
|
(int) e_cur_count, $3, NULL, NULL, NULL); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
excp_hndl_statements : excp_hndl_statement
|
|
| excp_hndl_statements excp_hndl_statement
|
|
{ $$ = make_node (nod_list, 2, $1, $2); }
|
|
;
|
|
|
|
excp_hndl_statement : WHEN errors DO proc_block
|
|
{ $$ = make_node (nod_on_error, (int) e_err_count,
|
|
make_list ($2), $4); }
|
|
;
|
|
|
|
errors : err
|
|
| errors ',' err
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
err : SQLCODE signed_short_integer
|
|
{ $$ = make_node (nod_sqlcode, 1, $2); }
|
|
| GDSCODE symbol_gdscode_name
|
|
{ $$ = make_node (nod_gdscode, 1, $2); }
|
|
| EXCEPTION symbol_exception_name
|
|
{ $$ = make_node (nod_exception, 1, $2); }
|
|
| ANY
|
|
{ $$ = make_node (nod_default, 1, NULL); }
|
|
;
|
|
|
|
cursor_statement : open_cursor
|
|
| fetch_cursor
|
|
| close_cursor
|
|
;
|
|
|
|
open_cursor : OPEN symbol_cursor_name
|
|
{ $$ = make_node (nod_cursor_open, (int) e_cur_stmt_count, $2, NULL, NULL); }
|
|
;
|
|
|
|
close_cursor : CLOSE symbol_cursor_name
|
|
{ $$ = make_node (nod_cursor_close, (int) e_cur_stmt_count, $2, NULL, NULL); }
|
|
;
|
|
|
|
fetch_cursor : FETCH fetch_opt symbol_cursor_name INTO variable_list
|
|
{ $$ = make_node (nod_cursor_fetch, (int) e_cur_stmt_count, $3, $2, make_list ($5)); }
|
|
;
|
|
|
|
fetch_opt :
|
|
{ $$ = NULL; }
|
|
;
|
|
/*
|
|
fetch_opt : fetch_seek_opt FROM
|
|
;
|
|
|
|
fetch_seek_opt :
|
|
| FIRST
|
|
{ $$ = make_node (nod_fetch_seek, 2,
|
|
// corresponds to (blr_bof_forward, 0)
|
|
MAKE_const_slong (3),
|
|
MAKE_const_slong (0)); }
|
|
| LAST
|
|
{ $$ = make_node (nod_fetch_seek, 2,
|
|
// corresponds to (blr_eof_backward, 0)
|
|
MAKE_const_slong (4),
|
|
MAKE_const_slong (0)); }
|
|
| PRIOR
|
|
{ $$ = make_node (nod_fetch_seek, 2,
|
|
// corresponds to (blr_backward, 1)
|
|
MAKE_const_slong (2),
|
|
MAKE_const_slong (1)); }
|
|
| NEXT
|
|
{ $$ = make_node (nod_fetch_seek, 2,
|
|
// corresponds to (blr_forward, 1)
|
|
MAKE_const_slong (1),
|
|
MAKE_const_slong (1)); }
|
|
| ABSOLUTE value
|
|
{ $$ = make_node (nod_fetch_seek, 2,
|
|
// corresponds to (blr_bof_forward, value)
|
|
MAKE_const_slong (3),
|
|
$2); }
|
|
| RELATIVE value
|
|
{ $$ = make_node (nod_fetch_seek, 2,
|
|
// corresponds to (blr_forward, value)
|
|
MAKE_const_slong (1),
|
|
$2); }
|
|
;
|
|
*/
|
|
|
|
/* EXECUTE PROCEDURE */
|
|
|
|
exec_procedure : EXECUTE PROCEDURE symbol_procedure_name proc_inputs proc_outputs_opt
|
|
{ $$ = make_node (nod_exec_procedure, (int) e_exe_count,
|
|
$3, $4, $5); }
|
|
;
|
|
|
|
proc_inputs : value_list
|
|
{ $$ = make_list ($1); }
|
|
| '(' value_list ')'
|
|
{ $$ = make_list ($2); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
proc_outputs_opt : RETURNING_VALUES variable_list
|
|
{ $$ = make_list ($2); }
|
|
| RETURNING_VALUES '(' variable_list ')'
|
|
{ $$ = make_list ($3); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
/* EXECUTE BLOCK */
|
|
|
|
exec_block : EXECUTE BLOCK block_input_params output_parameters AS
|
|
local_declaration_list
|
|
full_proc_block
|
|
{ $$ = make_node (nod_exec_block,
|
|
(int) e_exe_blk_count,
|
|
$3, $4, $6, $7, make_node (nod_all, (int) 0, NULL)); }
|
|
;
|
|
|
|
block_input_params : '(' block_parameters ')'
|
|
{ $$ = make_list ($2); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
block_parameters : block_parameter
|
|
| block_parameters ',' block_parameter
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
block_parameter : proc_parameter '=' parameter
|
|
{ $$ = make_node (nod_param_val, e_prm_val_count, $1, $3); }
|
|
;
|
|
|
|
/* CREATE VIEW */
|
|
|
|
view_clause : symbol_view_name column_parens_opt AS begin_string select_expr
|
|
check_opt end_trigger
|
|
{ $$ = make_node (nod_def_view, (int) e_view_count,
|
|
$1, $2, $5, $6, $7); }
|
|
;
|
|
|
|
|
|
rview_clause : symbol_view_name column_parens_opt AS begin_string select_expr
|
|
check_opt end_trigger
|
|
{ $$ = make_node (nod_redef_view, (int) e_view_count,
|
|
$1, $2, $5, $6, $7); }
|
|
;
|
|
|
|
replace_view_clause : symbol_view_name column_parens_opt AS begin_string select_expr
|
|
check_opt end_trigger
|
|
{ $$ = make_node (nod_replace_view, (int) e_view_count,
|
|
$1, $2, $5, $6, $7); }
|
|
;
|
|
|
|
alter_view_clause : symbol_view_name column_parens_opt AS begin_string select_expr
|
|
check_opt end_trigger
|
|
{ $$ = make_node (nod_mod_view, (int) e_view_count,
|
|
$1, $2, $5, $6, $7); }
|
|
;
|
|
|
|
|
|
/* these rules will capture the input string for storage in metadata */
|
|
|
|
begin_string :
|
|
{ lex.beginnings.push(lex_position()); }
|
|
;
|
|
/*
|
|
end_string :
|
|
{
|
|
const TEXT* start = lex.beginnings.pop();
|
|
$$ = (dsql_nod*) MAKE_string(start,
|
|
(lex_position() == lex.end) ? lex_position() - start : lex.last_token - start);
|
|
}
|
|
;
|
|
*/
|
|
begin_trigger :
|
|
{ lex.beginnings.push(lex.last_token); }
|
|
;
|
|
|
|
end_trigger :
|
|
{
|
|
const TEXT* start = lex.beginnings.pop();
|
|
$$ = (dsql_nod*) MAKE_string(start, lex_position() - start);
|
|
}
|
|
;
|
|
|
|
|
|
check_opt : WITH CHECK OPTION
|
|
{ $$ = make_node (nod_def_constraint, (int) e_cnstr_count,
|
|
NULL, NULL, NULL, NULL, NULL); }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
|
|
|
|
/* CREATE TRIGGER */
|
|
|
|
trigger_clause
|
|
: symbol_trigger_name
|
|
trigger_active
|
|
trigger_type
|
|
trigger_position
|
|
trigger_action
|
|
end_trigger
|
|
{
|
|
$$ = make_node (nod_def_trigger, (int) e_trg_count,
|
|
$1, NULL, $2, $3, $4, $5, $6);
|
|
}
|
|
| symbol_trigger_name FOR simple_table_name
|
|
trigger_active
|
|
trigger_type
|
|
trigger_position
|
|
trigger_action
|
|
end_trigger
|
|
{
|
|
$$ = make_node (nod_def_trigger, (int) e_trg_count,
|
|
$1, $3, $4, $5, $6, $7, $8);
|
|
}
|
|
| symbol_trigger_name
|
|
trigger_active
|
|
trigger_type
|
|
trigger_position
|
|
ON simple_table_name
|
|
trigger_action
|
|
end_trigger
|
|
{
|
|
$$ = make_node (nod_def_trigger, (int) e_trg_count,
|
|
$1, $6, $2, $3, $4, $7, $8);
|
|
}
|
|
;
|
|
|
|
rtrigger_clause
|
|
: symbol_trigger_name
|
|
trigger_active
|
|
trigger_type
|
|
trigger_position
|
|
trigger_action
|
|
end_trigger
|
|
{
|
|
$$ = make_node (nod_redef_trigger, (int) e_trg_count,
|
|
$1, NULL, $2, $3, $4, $5, $6);
|
|
}
|
|
| symbol_trigger_name FOR simple_table_name
|
|
trigger_active
|
|
trigger_type
|
|
trigger_position
|
|
trigger_action
|
|
end_trigger
|
|
{
|
|
$$ = make_node (nod_redef_trigger, (int) e_trg_count,
|
|
$1, $3, $4, $5, $6, $7, $8);
|
|
}
|
|
| symbol_trigger_name
|
|
trigger_active
|
|
trigger_type
|
|
trigger_position
|
|
ON simple_table_name
|
|
trigger_action
|
|
end_trigger
|
|
{
|
|
$$ = make_node (nod_redef_trigger, (int) e_trg_count,
|
|
$1, $6, $2, $3, $4, $7, $8);
|
|
}
|
|
;
|
|
|
|
replace_trigger_clause
|
|
: symbol_trigger_name
|
|
trigger_active
|
|
trigger_type
|
|
trigger_position
|
|
trigger_action
|
|
end_trigger
|
|
{
|
|
$$ = make_node (nod_replace_trigger, (int) e_trg_count,
|
|
$1, NULL, $2, $3, $4, $5, $6);
|
|
}
|
|
| symbol_trigger_name FOR simple_table_name
|
|
trigger_active
|
|
trigger_type
|
|
trigger_position
|
|
trigger_action
|
|
end_trigger
|
|
{
|
|
$$ = make_node (nod_replace_trigger, (int) e_trg_count,
|
|
$1, $3, $4, $5, $6, $7, $8);
|
|
}
|
|
| symbol_trigger_name
|
|
trigger_active
|
|
trigger_type
|
|
trigger_position
|
|
ON simple_table_name
|
|
trigger_action
|
|
end_trigger
|
|
{
|
|
$$ = make_node (nod_replace_trigger, (int) e_trg_count,
|
|
$1, $6, $2, $3, $4, $7, $8);
|
|
}
|
|
;
|
|
|
|
trigger_active : ACTIVE
|
|
{ $$ = MAKE_const_slong (0); }
|
|
| INACTIVE
|
|
{ $$ = MAKE_const_slong (1); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
trigger_type
|
|
: trigger_type_prefix trigger_type_suffix
|
|
{ $$ = MAKE_trigger_type ($1, $2); }
|
|
| ON trigger_db_type
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
trigger_db_type
|
|
: CONNECT
|
|
{ $$ = MAKE_const_slong (TRIGGER_TYPE_DB | DB_TRIGGER_CONNECT); }
|
|
| DISCONNECT
|
|
{ $$ = MAKE_const_slong (TRIGGER_TYPE_DB | DB_TRIGGER_DISCONNECT); }
|
|
| TRANSACTION START
|
|
{ $$ = MAKE_const_slong (TRIGGER_TYPE_DB | DB_TRIGGER_TRANS_START); }
|
|
| TRANSACTION COMMIT
|
|
{ $$ = MAKE_const_slong (TRIGGER_TYPE_DB | DB_TRIGGER_TRANS_COMMIT); }
|
|
| TRANSACTION ROLLBACK
|
|
{ $$ = MAKE_const_slong (TRIGGER_TYPE_DB | DB_TRIGGER_TRANS_ROLLBACK); }
|
|
;
|
|
|
|
trigger_type_prefix : BEFORE
|
|
{ $$ = MAKE_const_slong (0); }
|
|
| AFTER
|
|
{ $$ = MAKE_const_slong (1); }
|
|
;
|
|
|
|
trigger_type_suffix : INSERT
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (1, 0, 0)); }
|
|
| UPDATE
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (2, 0, 0)); }
|
|
| KW_DELETE
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (3, 0, 0)); }
|
|
| INSERT OR UPDATE
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (1, 2, 0)); }
|
|
| INSERT OR KW_DELETE
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (1, 3, 0)); }
|
|
| UPDATE OR INSERT
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (2, 1, 0)); }
|
|
| UPDATE OR KW_DELETE
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (2, 3, 0)); }
|
|
| KW_DELETE OR INSERT
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (3, 1, 0)); }
|
|
| KW_DELETE OR UPDATE
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (3, 2, 0)); }
|
|
| INSERT OR UPDATE OR KW_DELETE
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (1, 2, 3)); }
|
|
| INSERT OR KW_DELETE OR UPDATE
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (1, 3, 2)); }
|
|
| UPDATE OR INSERT OR KW_DELETE
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (2, 1, 3)); }
|
|
| UPDATE OR KW_DELETE OR INSERT
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (2, 3, 1)); }
|
|
| KW_DELETE OR INSERT OR UPDATE
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (3, 1, 2)); }
|
|
| KW_DELETE OR UPDATE OR INSERT
|
|
{ $$ = MAKE_const_slong (trigger_type_suffix (3, 2, 1)); }
|
|
;
|
|
|
|
trigger_position : POSITION nonneg_short_integer
|
|
{ $$ = MAKE_const_slong ((IPTR) $2); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
trigger_action : AS begin_trigger local_declaration_list full_proc_block
|
|
{ $$ = make_node (nod_list, (int) e_trg_act_count, $3, $4); }
|
|
;
|
|
|
|
/* ALTER statement */
|
|
|
|
alter : ALTER alter_clause
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
alter_clause : EXCEPTION alter_exception_clause
|
|
{ $$ = $2; }
|
|
| TABLE simple_table_name alter_ops
|
|
{ $$ = make_node (nod_mod_relation, (int) e_alt_count,
|
|
$2, make_list ($3)); }
|
|
| VIEW alter_view_clause
|
|
{ $$ = $2; }
|
|
| TRIGGER alter_trigger_clause
|
|
{ $$ = $2; }
|
|
| PROCEDURE alter_procedure_clause
|
|
{ $$ = $2; }
|
|
| DATABASE init_alter_db alter_db
|
|
{ $$ = make_node (nod_mod_database, (int) e_adb_count,
|
|
make_list ($3)); }
|
|
| DOMAIN alter_column_name alter_domain_ops
|
|
{ $$ = make_node (nod_mod_domain, (int) e_alt_count,
|
|
$2, make_list ($3)); }
|
|
| INDEX alter_index_clause
|
|
{ $$ = make_node (nod_mod_index, (int) e_mod_idx_count, $2); }
|
|
| SEQUENCE alter_sequence_clause
|
|
{ $$ = $2; }
|
|
| EXTERNAL FUNCTION alter_udf_clause
|
|
{ $$ = $3; }
|
|
| ROLE alter_role_clause
|
|
{ $$ = $2; }
|
|
| USER alter_user_clause
|
|
{ $$ = $2; }
|
|
| CHARACTER SET alter_charset_clause
|
|
{ $$ = $3; }
|
|
;
|
|
|
|
alter_domain_ops : alter_domain_op
|
|
| alter_domain_ops alter_domain_op
|
|
{ $$ = make_node (nod_list, 2, $1, $2); }
|
|
;
|
|
|
|
alter_domain_op : SET domain_default
|
|
{ $$ = $2; }
|
|
| ADD CONSTRAINT check_constraint
|
|
{ $$ = $3; }
|
|
| ADD check_constraint
|
|
{ $$ = $2; }
|
|
| DROP DEFAULT
|
|
{$$ = make_node (nod_del_default, (int) 0, NULL); }
|
|
| DROP CONSTRAINT
|
|
{ $$ = make_node (nod_delete_rel_constraint, (int) 1, NULL); }
|
|
| TO simple_column_name
|
|
{ $$ = $2; }
|
|
| KW_TYPE init_data_type non_array_type
|
|
{ $$ = make_node (nod_mod_domain_type, 2, $2); }
|
|
;
|
|
|
|
alter_ops : alter_op
|
|
| alter_ops ',' alter_op
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
alter_op : DROP simple_column_name drop_behaviour
|
|
{ $$ = make_node (nod_del_field, 2, $2, $3); }
|
|
| DROP CONSTRAINT symbol_constraint_name
|
|
{ $$ = make_node (nod_delete_rel_constraint, (int) 1, $3);}
|
|
| ADD column_def
|
|
{ $$ = $2; }
|
|
| ADD table_constraint_definition
|
|
{ $$ = $2; }
|
|
/* CVC: From SQL, field positions start at 1, not zero. Think in ORDER BY, for example.
|
|
| col_opt simple_column_name POSITION nonneg_short_integer
|
|
{ $$ = make_node (nod_mod_field_pos, 2, $2,
|
|
MAKE_const_slong ((IPTR) $4)); } */
|
|
| col_opt simple_column_name POSITION pos_short_integer
|
|
{ $$ = make_node(nod_mod_field_pos, 2, $2,
|
|
MAKE_const_slong((IPTR) $4)); }
|
|
| col_opt alter_column_name TO simple_column_name
|
|
{ $$ = make_node(nod_mod_field_name, 2, $2, $4); }
|
|
| col_opt alter_col_name KW_TYPE alter_data_type_or_domain
|
|
{ $$ = make_node(nod_mod_field_type, e_mod_fld_type_count, $2, $4, NULL, NULL); }
|
|
| col_opt alter_col_name KW_TYPE non_array_type def_computed
|
|
{
|
|
// Due to parser hacks, we should not pass $4 (non_array_type) to make_node.
|
|
$$ = make_node(nod_mod_field_type, e_mod_fld_type_count, $2, NULL, NULL, $5);
|
|
}
|
|
| col_opt alter_col_name def_computed
|
|
{ $$ = make_node(nod_mod_field_type, e_mod_fld_type_count, $2, NULL, NULL, $3); }
|
|
| col_opt alter_col_name SET domain_default
|
|
{ $$ = make_node(nod_mod_field_type, e_mod_fld_type_count, $2, NULL, $4, NULL); }
|
|
| col_opt alter_col_name DROP DEFAULT
|
|
{ $$ = make_node(nod_mod_field_type, e_mod_fld_type_count, $2, NULL,
|
|
make_node(nod_del_default, (int) 0, NULL), NULL); }
|
|
;
|
|
|
|
alter_column_name : keyword_or_column
|
|
{ $$ = make_node (nod_field_name, (int) e_fln_count,
|
|
NULL, $1); }
|
|
;
|
|
|
|
/* below are reserved words that could be used as column identifiers
|
|
in the previous versions */
|
|
|
|
keyword_or_column : valid_symbol_name
|
|
| ADMIN /* added in IB 5.0 */
|
|
| COLUMN /* added in IB 6.0 */
|
|
| EXTRACT
|
|
| YEAR
|
|
| MONTH
|
|
| DAY
|
|
| HOUR
|
|
| MINUTE
|
|
| SECOND
|
|
| TIME
|
|
| TIMESTAMP
|
|
| CURRENT_DATE
|
|
| CURRENT_TIME
|
|
| CURRENT_TIMESTAMP
|
|
| CURRENT_USER /* added in FB 1.0 */
|
|
| CURRENT_ROLE
|
|
| RECREATE
|
|
| CURRENT_CONNECTION /* added in FB 1.5 */
|
|
| CURRENT_TRANSACTION
|
|
| BIGINT
|
|
| CASE
|
|
| RELEASE
|
|
| ROW_COUNT
|
|
| SAVEPOINT
|
|
| OPEN /* added in FB 2.0 */
|
|
| CLOSE
|
|
| FETCH
|
|
| ROWS
|
|
| USING
|
|
| CROSS
|
|
| BIT_LENGTH
|
|
| BOTH
|
|
| CHAR_LENGTH
|
|
| CHARACTER_LENGTH
|
|
| COMMENT
|
|
| LEADING
|
|
| KW_LOWER
|
|
| OCTET_LENGTH
|
|
| TRAILING
|
|
| TRIM
|
|
| CONNECT /* added in FB 2.1 */
|
|
| DISCONNECT
|
|
| GLOBAL
|
|
| INSENSITIVE
|
|
| RECURSIVE
|
|
| SENSITIVE
|
|
| START
|
|
;
|
|
|
|
col_opt : ALTER
|
|
{ $$ = NULL; }
|
|
| ALTER COLUMN
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
alter_data_type_or_domain : non_array_type
|
|
{ $$ = NULL; }
|
|
| simple_column_name
|
|
{ $$ = make_node (nod_def_domain, (int) e_dom_count, $1, NULL, NULL, NULL); }
|
|
;
|
|
|
|
alter_col_name : simple_column_name
|
|
{ lex.g_field_name = $1;
|
|
lex.g_field = make_field ($1);
|
|
$$ = (dsql_nod*) lex.g_field; }
|
|
;
|
|
|
|
drop_behaviour : RESTRICT
|
|
{ $$ = make_node (nod_restrict, 0, NULL); }
|
|
| CASCADE
|
|
{ $$ = make_node (nod_cascade, 0, NULL); }
|
|
|
|
|
{ $$ = make_node (nod_restrict, 0, NULL); }
|
|
;
|
|
|
|
alter_index_clause : symbol_index_name ACTIVE
|
|
{ $$ = make_node (nod_idx_active, 1, $1); }
|
|
| symbol_index_name INACTIVE
|
|
{ $$ = make_node (nod_idx_inactive, 1, $1); }
|
|
;
|
|
|
|
alter_sequence_clause : symbol_generator_name RESTART WITH signed_long_integer
|
|
{ $$ = make_node (nod_set_generator2, e_gen_id_count, $1,
|
|
MAKE_const_slong ((IPTR) $4)); }
|
|
| symbol_generator_name RESTART WITH NUMBER64BIT
|
|
{ $$ = make_node (nod_set_generator2, e_gen_id_count, $1,
|
|
MAKE_constant((dsql_str*) $4, CONSTANT_SINT64)); }
|
|
| symbol_generator_name RESTART WITH '-' NUMBER64BIT
|
|
{ $$ = make_node (nod_set_generator2, e_gen_id_count, $1,
|
|
make_node(nod_negate, 1, MAKE_constant((dsql_str*) $5, CONSTANT_SINT64))); }
|
|
;
|
|
|
|
alter_udf_clause : symbol_UDF_name entry_op module_op
|
|
{ $$ = make_node(nod_mod_udf, e_mod_udf_count, $1, $2, $3); }
|
|
;
|
|
|
|
/*
|
|
alter_role_clause : symbol_role_name alter_role_action OS_NAME os_security_name
|
|
{ $$ = make_node(nod_mod_role, e_mod_role_count, $4, $1, $2); }
|
|
;
|
|
|
|
alter_role_action : ADD
|
|
{ $$ = MAKE_const_slong (isc_dyn_map_role); }
|
|
| DROP
|
|
{ $$ = MAKE_const_slong (isc_dyn_unmap_role); }
|
|
;
|
|
*/
|
|
|
|
alter_role_clause : symbol_role_name alter_role_enable AUTO ADMIN MAPPING
|
|
{ $$ = make_node(nod_mod_role, e_mod_role_count, NULL, $1, $2); }
|
|
;
|
|
|
|
alter_role_enable : SET
|
|
{ $$ = MAKE_const_slong (isc_dyn_automap_role); }
|
|
| DROP
|
|
{ $$ = MAKE_const_slong (isc_dyn_autounmap_role); }
|
|
;
|
|
|
|
os_security_name : STRING
|
|
{ $$ = $1; }
|
|
;
|
|
|
|
entry_op : ENTRY_POINT sql_string
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
module_op : MODULE_NAME sql_string
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
|
|
/* ALTER DATABASE */
|
|
|
|
init_alter_db :
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
alter_db : db_alter_clause
|
|
| alter_db db_alter_clause
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $2); }
|
|
;
|
|
|
|
db_alter_clause : ADD db_file_list
|
|
{ $$ = $2; }
|
|
| ADD KW_DIFFERENCE KW_FILE sql_string
|
|
{ $$ = make_node (nod_difference_file, (int) 1, $4); }
|
|
| DROP KW_DIFFERENCE KW_FILE
|
|
{ $$ = make_node (nod_drop_difference, (int) 0, NULL); }
|
|
| BEGIN BACKUP
|
|
{ $$ = make_node (nod_begin_backup, (int) 0, NULL); }
|
|
| END BACKUP
|
|
{ $$ = make_node (nod_end_backup, (int) 0, NULL); }
|
|
;
|
|
|
|
|
|
/* ALTER TRIGGER */
|
|
|
|
alter_trigger_clause : symbol_trigger_name trigger_active
|
|
new_trigger_type
|
|
trigger_position
|
|
begin_trigger
|
|
new_trigger_action
|
|
end_trigger
|
|
{ $$ = make_node (nod_mod_trigger, (int) e_trg_count,
|
|
$1, NULL, $2, $3, $4, $6, $7); }
|
|
;
|
|
|
|
new_trigger_type : trigger_type
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
new_trigger_action : trigger_action
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
/* DROP metadata operations */
|
|
|
|
drop : DROP drop_clause
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
drop_clause : EXCEPTION symbol_exception_name
|
|
{ $$ = make_node (nod_del_exception, 1, $2); }
|
|
| INDEX symbol_index_name
|
|
{ $$ = make_node (nod_del_index, (int) 1, $2); }
|
|
| PROCEDURE symbol_procedure_name
|
|
{ $$ = make_node (nod_del_procedure, (int) 1, $2); }
|
|
| TABLE symbol_table_name
|
|
{ $$ = make_node (nod_del_relation, (int) 1, $2); }
|
|
| TRIGGER symbol_trigger_name
|
|
{ $$ = make_node (nod_del_trigger, (int) 1, $2); }
|
|
| VIEW symbol_view_name
|
|
{ $$ = make_node (nod_del_view, (int) 1, $2); }
|
|
| FILTER symbol_filter_name
|
|
{ $$ = make_node (nod_del_filter, (int) 1, $2); }
|
|
| DOMAIN symbol_domain_name
|
|
{ $$ = make_node (nod_del_domain, (int) 1, $2); }
|
|
| EXTERNAL FUNCTION symbol_UDF_name
|
|
{ $$ = make_node (nod_del_udf, (int) 1, $3); }
|
|
| SHADOW pos_short_integer
|
|
{ $$ = make_node (nod_del_shadow, (int) 1, $2); }
|
|
| ROLE symbol_role_name
|
|
{ $$ = make_node (nod_del_role, (int) 1, $2); }
|
|
| GENERATOR symbol_generator_name
|
|
{ $$ = make_node (nod_del_generator, (int) 1, $2); }
|
|
| SEQUENCE symbol_generator_name
|
|
{ $$ = make_node (nod_del_generator, (int) 1, $2); }
|
|
| COLLATION symbol_collation_name
|
|
{ $$ = make_node (nod_del_collation, (int) 1, $2); }
|
|
| USER drop_user_clause
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
|
|
/* these are the allowable datatypes */
|
|
|
|
data_type : non_array_type
|
|
| array_type
|
|
;
|
|
|
|
domain_or_non_array_type
|
|
: domain_or_non_array_type_name
|
|
| domain_or_non_array_type_name NOT KW_NULL
|
|
{ lex.g_field->fld_not_nullable = true; }
|
|
;
|
|
|
|
domain_or_non_array_type_name
|
|
: non_array_type
|
|
| domain_type
|
|
;
|
|
|
|
domain_type
|
|
: KW_TYPE OF symbol_column_name
|
|
{ lex.g_field->fld_type_of_name = ((dsql_str*) $3)->str_data; }
|
|
| KW_TYPE OF COLUMN symbol_column_name '.' symbol_column_name
|
|
{
|
|
lex.g_field->fld_type_of_name = ((dsql_str*) $6)->str_data;
|
|
lex.g_field->fld_type_of_table = ((dsql_str*) $4);
|
|
}
|
|
| symbol_column_name
|
|
{
|
|
lex.g_field->fld_type_of_name = ((dsql_str*) $1)->str_data;
|
|
lex.g_field->fld_full_domain = true;
|
|
}
|
|
;
|
|
|
|
|
|
non_array_type : simple_type
|
|
| blob_type
|
|
;
|
|
|
|
array_type : non_charset_simple_type '[' array_spec ']'
|
|
{ lex.g_field->fld_ranges = make_list ($3);
|
|
lex.g_field->fld_dimensions = lex.g_field->fld_ranges->nod_count / 2;
|
|
lex.g_field->fld_element_dtype = lex.g_field->fld_dtype;
|
|
$$ = $1; }
|
|
| character_type '[' array_spec ']' charset_clause
|
|
{ lex.g_field->fld_ranges = make_list ($3);
|
|
lex.g_field->fld_dimensions = lex.g_field->fld_ranges->nod_count / 2;
|
|
lex.g_field->fld_element_dtype = lex.g_field->fld_dtype;
|
|
$$ = $1; }
|
|
;
|
|
|
|
array_spec : array_range
|
|
| array_spec ',' array_range
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
;
|
|
|
|
array_range : signed_long_integer
|
|
{ if ((IPTR) $1 < 1)
|
|
$$ = make_node (nod_list, (int) 2,
|
|
MAKE_const_slong ((IPTR) $1),
|
|
MAKE_const_slong (1));
|
|
else
|
|
$$ = make_node (nod_list, (int) 2,
|
|
MAKE_const_slong (1),
|
|
MAKE_const_slong ((IPTR) $1) ); }
|
|
| signed_long_integer ':' signed_long_integer
|
|
{ $$ = make_node (nod_list, (int) 2,
|
|
MAKE_const_slong ((IPTR) $1),
|
|
MAKE_const_slong ((IPTR) $3)); }
|
|
;
|
|
|
|
simple_type : non_charset_simple_type
|
|
| character_type charset_clause
|
|
;
|
|
|
|
non_charset_simple_type : national_character_type
|
|
| numeric_type
|
|
| float_type
|
|
| BIGINT
|
|
{
|
|
if (client_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_dialect_datatype_unsupport,
|
|
isc_arg_number, (SLONG) client_dialect,
|
|
isc_arg_string, "BIGINT",
|
|
0);
|
|
if (db_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_db_dialect_dtype_unsupport,
|
|
isc_arg_number, (SLONG) db_dialect,
|
|
isc_arg_string, "BIGINT",
|
|
0);
|
|
lex.g_field->fld_dtype = dtype_int64;
|
|
lex.g_field->fld_length = sizeof (SINT64);
|
|
}
|
|
| integer_keyword
|
|
{
|
|
lex.g_field->fld_dtype = dtype_long;
|
|
lex.g_field->fld_length = sizeof (SLONG);
|
|
}
|
|
| SMALLINT
|
|
{
|
|
lex.g_field->fld_dtype = dtype_short;
|
|
lex.g_field->fld_length = sizeof (SSHORT);
|
|
}
|
|
| DATE
|
|
{
|
|
stmt_ambiguous = true;
|
|
if (client_dialect <= SQL_DIALECT_V5)
|
|
{
|
|
/* Post warning saying that DATE is equivalent to TIMESTAMP */
|
|
ERRD_post_warning (isc_sqlwarn, isc_arg_number, (SLONG) 301,
|
|
isc_arg_warning, isc_dtype_renamed, 0);
|
|
lex.g_field->fld_dtype = dtype_timestamp;
|
|
lex.g_field->fld_length = sizeof (GDS_TIMESTAMP);
|
|
}
|
|
else if (client_dialect == SQL_DIALECT_V6_TRANSITION)
|
|
yyabandon (-104, isc_transitional_date);
|
|
else
|
|
{
|
|
lex.g_field->fld_dtype = dtype_sql_date;
|
|
lex.g_field->fld_length = sizeof (ULONG);
|
|
}
|
|
}
|
|
| TIME
|
|
{
|
|
if (client_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_dialect_datatype_unsupport,
|
|
isc_arg_number, (SLONG) client_dialect,
|
|
isc_arg_string, "TIME",
|
|
0);
|
|
if (db_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_db_dialect_dtype_unsupport,
|
|
isc_arg_number, (SLONG) db_dialect,
|
|
isc_arg_string, "TIME",
|
|
0);
|
|
lex.g_field->fld_dtype = dtype_sql_time;
|
|
lex.g_field->fld_length = sizeof (SLONG);
|
|
}
|
|
| TIMESTAMP
|
|
{
|
|
lex.g_field->fld_dtype = dtype_timestamp;
|
|
lex.g_field->fld_length = sizeof (GDS_TIMESTAMP);
|
|
}
|
|
;
|
|
|
|
integer_keyword : INTEGER
|
|
| KW_INT
|
|
;
|
|
|
|
|
|
/* allow a blob to be specified with any combination of
|
|
segment length and subtype */
|
|
|
|
blob_type : BLOB blob_subtype blob_segsize charset_clause
|
|
{
|
|
lex.g_field->fld_dtype = dtype_blob;
|
|
lex.g_field->fld_length = sizeof(ISC_QUAD);
|
|
}
|
|
| BLOB '(' unsigned_short_integer ')'
|
|
{
|
|
lex.g_field->fld_dtype = dtype_blob;
|
|
lex.g_field->fld_length = sizeof(ISC_QUAD);
|
|
lex.g_field->fld_seg_length = (USHORT)(IPTR) $3;
|
|
lex.g_field->fld_sub_type = 0;
|
|
}
|
|
| BLOB '(' unsigned_short_integer ',' signed_short_integer ')'
|
|
{
|
|
lex.g_field->fld_dtype = dtype_blob;
|
|
lex.g_field->fld_length = sizeof(ISC_QUAD);
|
|
lex.g_field->fld_seg_length = (USHORT)(IPTR) $3;
|
|
lex.g_field->fld_sub_type = (USHORT)(IPTR) $5;
|
|
}
|
|
| BLOB '(' ',' signed_short_integer ')'
|
|
{
|
|
lex.g_field->fld_dtype = dtype_blob;
|
|
lex.g_field->fld_length = sizeof(ISC_QUAD);
|
|
lex.g_field->fld_seg_length = 80;
|
|
lex.g_field->fld_sub_type = (USHORT)(IPTR) $4;
|
|
}
|
|
;
|
|
|
|
blob_segsize : SEGMENT KW_SIZE unsigned_short_integer
|
|
{
|
|
lex.g_field->fld_seg_length = (USHORT)(IPTR) $3;
|
|
}
|
|
|
|
|
{
|
|
lex.g_field->fld_seg_length = (USHORT) 80;
|
|
}
|
|
;
|
|
|
|
blob_subtype : SUB_TYPE signed_short_integer
|
|
{
|
|
lex.g_field->fld_sub_type = (USHORT)(IPTR) $2;
|
|
}
|
|
| SUB_TYPE symbol_blob_subtype_name
|
|
{
|
|
lex.g_field->fld_sub_type_name = $2;
|
|
}
|
|
|
|
|
{
|
|
lex.g_field->fld_sub_type = (USHORT) 0;
|
|
}
|
|
;
|
|
|
|
charset_clause : CHARACTER SET symbol_character_set_name
|
|
{
|
|
lex.g_field->fld_character_set = $3;
|
|
}
|
|
|
|
|
;
|
|
|
|
|
|
/* character type */
|
|
|
|
|
|
national_character_type : national_character_keyword '(' pos_short_integer ')'
|
|
{
|
|
lex.g_field->fld_dtype = dtype_text;
|
|
lex.g_field->fld_character_length = (USHORT)(IPTR) $3;
|
|
lex.g_field->fld_flags |= FLD_national;
|
|
}
|
|
| national_character_keyword
|
|
{
|
|
lex.g_field->fld_dtype = dtype_text;
|
|
lex.g_field->fld_character_length = 1;
|
|
lex.g_field->fld_flags |= FLD_national;
|
|
}
|
|
| national_character_keyword VARYING '(' pos_short_integer ')'
|
|
{
|
|
lex.g_field->fld_dtype = dtype_varying;
|
|
lex.g_field->fld_character_length = (USHORT)(IPTR) $4;
|
|
lex.g_field->fld_flags |= FLD_national;
|
|
}
|
|
;
|
|
|
|
character_type : character_keyword '(' pos_short_integer ')'
|
|
{
|
|
lex.g_field->fld_dtype = dtype_text;
|
|
lex.g_field->fld_character_length = (USHORT)(IPTR) $3;
|
|
}
|
|
| character_keyword
|
|
{
|
|
lex.g_field->fld_dtype = dtype_text;
|
|
lex.g_field->fld_character_length = 1;
|
|
}
|
|
| varying_keyword '(' pos_short_integer ')'
|
|
{
|
|
lex.g_field->fld_dtype = dtype_varying;
|
|
lex.g_field->fld_character_length = (USHORT)(IPTR) $3;
|
|
}
|
|
;
|
|
|
|
varying_keyword : VARCHAR
|
|
| CHARACTER VARYING
|
|
| KW_CHAR VARYING
|
|
;
|
|
|
|
character_keyword : CHARACTER
|
|
| KW_CHAR
|
|
;
|
|
|
|
national_character_keyword : NCHAR
|
|
| NATIONAL CHARACTER
|
|
| NATIONAL KW_CHAR
|
|
;
|
|
|
|
|
|
|
|
/* numeric type */
|
|
|
|
numeric_type : KW_NUMERIC prec_scale
|
|
{
|
|
lex.g_field->fld_sub_type = dsc_num_type_numeric;
|
|
}
|
|
| decimal_keyword prec_scale
|
|
{
|
|
lex.g_field->fld_sub_type = dsc_num_type_decimal;
|
|
if (lex.g_field->fld_dtype == dtype_short)
|
|
{
|
|
lex.g_field->fld_dtype = dtype_long;
|
|
lex.g_field->fld_length = sizeof (SLONG);
|
|
}
|
|
}
|
|
;
|
|
|
|
prec_scale :
|
|
{
|
|
lex.g_field->fld_dtype = dtype_long;
|
|
lex.g_field->fld_length = sizeof (SLONG);
|
|
lex.g_field->fld_precision = 9;
|
|
}
|
|
| '(' signed_long_integer ')'
|
|
{
|
|
if ( ((IPTR) $2 < 1) || ((IPTR) $2 > 18) )
|
|
yyabandon (-842, isc_precision_err);
|
|
/* Precision most be between 1 and 18. */
|
|
if ((IPTR) $2 > 9)
|
|
{
|
|
if ( ( (client_dialect <= SQL_DIALECT_V5) &&
|
|
(db_dialect > SQL_DIALECT_V5) ) ||
|
|
( (client_dialect > SQL_DIALECT_V5) &&
|
|
(db_dialect <= SQL_DIALECT_V5) ) )
|
|
ERRD_post (isc_sqlerr,
|
|
isc_arg_number, (SLONG) -817,
|
|
isc_arg_gds,
|
|
isc_ddl_not_allowed_by_db_sql_dial,
|
|
isc_arg_number, (SLONG) db_dialect,
|
|
0);
|
|
if (client_dialect <= SQL_DIALECT_V5)
|
|
{
|
|
lex.g_field->fld_dtype = dtype_double;
|
|
lex.g_field->fld_length = sizeof (double);
|
|
}
|
|
else
|
|
{
|
|
if (client_dialect == SQL_DIALECT_V6_TRANSITION)
|
|
{
|
|
ERRD_post_warning (
|
|
isc_dsql_warn_precision_ambiguous,
|
|
isc_arg_end );
|
|
ERRD_post_warning (
|
|
isc_dsql_warn_precision_ambiguous1,
|
|
isc_arg_end );
|
|
ERRD_post_warning (
|
|
isc_dsql_warn_precision_ambiguous2,
|
|
isc_arg_end );
|
|
|
|
}
|
|
lex.g_field->fld_dtype = dtype_int64;
|
|
lex.g_field->fld_length = sizeof (SINT64);
|
|
}
|
|
}
|
|
else
|
|
if ((IPTR) $2 < 5)
|
|
{
|
|
lex.g_field->fld_dtype = dtype_short;
|
|
lex.g_field->fld_length = sizeof (SSHORT);
|
|
}
|
|
else
|
|
{
|
|
lex.g_field->fld_dtype = dtype_long;
|
|
lex.g_field->fld_length = sizeof (SLONG);
|
|
}
|
|
lex.g_field->fld_precision = (USHORT)(IPTR) $2;
|
|
}
|
|
| '(' signed_long_integer ',' signed_long_integer ')'
|
|
{
|
|
if ( ((IPTR) $2 < 1) || ((IPTR) $2 > 18) )
|
|
yyabandon (-842, isc_precision_err);
|
|
/* Precision should be between 1 and 18 */
|
|
if (((IPTR) $4 > (IPTR) $2) || ((IPTR) $4 < 0))
|
|
yyabandon (-842, isc_scale_nogt);
|
|
/* Scale must be between 0 and precision */
|
|
if ((IPTR) $2 > 9)
|
|
{
|
|
if ( ( (client_dialect <= SQL_DIALECT_V5) &&
|
|
(db_dialect > SQL_DIALECT_V5) ) ||
|
|
( (client_dialect > SQL_DIALECT_V5) &&
|
|
(db_dialect <= SQL_DIALECT_V5) ) )
|
|
ERRD_post (isc_sqlerr,
|
|
isc_arg_number, (SLONG) -817,
|
|
isc_arg_gds,
|
|
isc_ddl_not_allowed_by_db_sql_dial,
|
|
isc_arg_number, (SLONG) db_dialect,
|
|
0);
|
|
if (client_dialect <= SQL_DIALECT_V5)
|
|
{
|
|
lex.g_field->fld_dtype = dtype_double;
|
|
lex.g_field->fld_length = sizeof (double);
|
|
}
|
|
else
|
|
{
|
|
if (client_dialect == SQL_DIALECT_V6_TRANSITION)
|
|
{
|
|
ERRD_post_warning (
|
|
isc_dsql_warn_precision_ambiguous,
|
|
isc_arg_end );
|
|
ERRD_post_warning (
|
|
isc_dsql_warn_precision_ambiguous1,
|
|
isc_arg_end );
|
|
ERRD_post_warning (
|
|
isc_dsql_warn_precision_ambiguous2,
|
|
isc_arg_end );
|
|
}
|
|
/* client_dialect >= SQL_DIALECT_V6 */
|
|
lex.g_field->fld_dtype = dtype_int64;
|
|
lex.g_field->fld_length = sizeof (SINT64);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((IPTR) $2 < 5)
|
|
{
|
|
lex.g_field->fld_dtype = dtype_short;
|
|
lex.g_field->fld_length = sizeof (SSHORT);
|
|
}
|
|
else
|
|
{
|
|
lex.g_field->fld_dtype = dtype_long;
|
|
lex.g_field->fld_length = sizeof (SLONG);
|
|
}
|
|
}
|
|
lex.g_field->fld_precision = (USHORT)(IPTR) $2;
|
|
lex.g_field->fld_scale = - (SSHORT)(IPTR) $4;
|
|
}
|
|
;
|
|
|
|
decimal_keyword : DECIMAL
|
|
| KW_DEC
|
|
;
|
|
|
|
|
|
|
|
/* floating point type */
|
|
|
|
float_type : KW_FLOAT precision_opt
|
|
{
|
|
if ((IPTR) $2 > 7)
|
|
{
|
|
lex.g_field->fld_dtype = dtype_double;
|
|
lex.g_field->fld_length = sizeof (double);
|
|
}
|
|
else
|
|
{
|
|
lex.g_field->fld_dtype = dtype_real;
|
|
lex.g_field->fld_length = sizeof (float);
|
|
}
|
|
}
|
|
| KW_LONG KW_FLOAT precision_opt
|
|
{
|
|
lex.g_field->fld_dtype = dtype_double;
|
|
lex.g_field->fld_length = sizeof (double);
|
|
}
|
|
| REAL
|
|
{
|
|
lex.g_field->fld_dtype = dtype_real;
|
|
lex.g_field->fld_length = sizeof (float);
|
|
}
|
|
| KW_DOUBLE PRECISION
|
|
{
|
|
lex.g_field->fld_dtype = dtype_double;
|
|
lex.g_field->fld_length = sizeof (double);
|
|
}
|
|
;
|
|
|
|
precision_opt : '(' nonneg_short_integer ')'
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
|
|
|
|
/* SET statements */
|
|
set : set_transaction
|
|
| set_generator
|
|
| set_statistics
|
|
;
|
|
|
|
|
|
set_generator : SET GENERATOR symbol_generator_name TO signed_long_integer
|
|
{ $$ = make_node (nod_set_generator2, e_gen_id_count, $3,
|
|
MAKE_const_slong ((IPTR) $5)); }
|
|
| SET GENERATOR symbol_generator_name TO NUMBER64BIT
|
|
{ $$ = make_node (nod_set_generator2, e_gen_id_count, $3,
|
|
MAKE_constant((dsql_str*) $5, CONSTANT_SINT64)); }
|
|
| SET GENERATOR symbol_generator_name TO '-' NUMBER64BIT
|
|
{ $$ = make_node (nod_set_generator2, e_gen_id_count, $3,
|
|
make_node(nod_negate, 1, MAKE_constant((dsql_str*) $6, CONSTANT_SINT64))); }
|
|
;
|
|
|
|
|
|
/* transaction statements */
|
|
|
|
savepoint : set_savepoint
|
|
| release_savepoint
|
|
| undo_savepoint
|
|
;
|
|
|
|
set_savepoint : SAVEPOINT symbol_savepoint_name
|
|
{ $$ = make_node (nod_user_savepoint, 1, $2); }
|
|
;
|
|
|
|
release_savepoint : RELEASE SAVEPOINT symbol_savepoint_name release_only_opt
|
|
{ $$ = make_node (nod_release_savepoint, 2, $3, $4); }
|
|
;
|
|
|
|
release_only_opt : ONLY
|
|
{ $$ = make_node (nod_flag, 0, NULL); }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
undo_savepoint : ROLLBACK optional_work TO optional_savepoint symbol_savepoint_name
|
|
{ $$ = make_node (nod_undo_savepoint, 1, $5); }
|
|
;
|
|
|
|
optional_savepoint : SAVEPOINT
|
|
|
|
|
;
|
|
|
|
commit : COMMIT optional_work optional_retain
|
|
{ $$ = make_node (nod_commit, e_commit_count, $3); }
|
|
;
|
|
|
|
rollback : ROLLBACK optional_work optional_retain
|
|
{ $$ = make_node (nod_rollback, e_rollback_count, $3); }
|
|
;
|
|
|
|
optional_work : WORK
|
|
|
|
|
;
|
|
|
|
optional_retain : RETAIN opt_snapshot
|
|
{ $$ = make_node (nod_retain, 0, NULL); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
opt_snapshot : SNAPSHOT
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
set_transaction : SET TRANSACTION tran_opt_list_m
|
|
{$$ = make_node (nod_trans, 1, make_list ($3)); }
|
|
;
|
|
|
|
tran_opt_list_m : tran_opt_list
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
tran_opt_list : tran_opt
|
|
| tran_opt_list tran_opt
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $2); }
|
|
;
|
|
|
|
tran_opt : access_mode
|
|
| lock_wait
|
|
| isolation_mode
|
|
| tra_misc_options
|
|
| tra_timeout
|
|
| tbl_reserve_options
|
|
;
|
|
|
|
access_mode : READ ONLY
|
|
{ $$ = make_flag_node (nod_access, NOD_READ_ONLY, (int) 0, NULL); }
|
|
| READ WRITE
|
|
{ $$ = make_flag_node (nod_access, NOD_READ_WRITE, (int) 0, NULL); }
|
|
;
|
|
|
|
lock_wait : WAIT
|
|
{ $$ = make_flag_node (nod_wait, NOD_WAIT, (int) 0, NULL); }
|
|
| NO WAIT
|
|
{ $$ = make_flag_node (nod_wait, NOD_NO_WAIT, (int) 0, NULL); }
|
|
;
|
|
|
|
isolation_mode : ISOLATION LEVEL iso_mode
|
|
{ $$ = $3;}
|
|
| iso_mode
|
|
;
|
|
|
|
iso_mode : snap_shot
|
|
{ $$ = $1;}
|
|
| READ UNCOMMITTED version_mode
|
|
{ $$ = make_flag_node (nod_isolation, NOD_READ_COMMITTED, 1, $3); }
|
|
| READ COMMITTED version_mode
|
|
{ $$ = make_flag_node (nod_isolation, NOD_READ_COMMITTED, 1, $3); }
|
|
;
|
|
|
|
snap_shot : SNAPSHOT
|
|
{ $$ = make_flag_node (nod_isolation, NOD_CONCURRENCY, 0, NULL); }
|
|
| SNAPSHOT TABLE
|
|
{ $$ = make_flag_node (nod_isolation, NOD_CONSISTENCY, 0, NULL); }
|
|
| SNAPSHOT TABLE STABILITY
|
|
{ $$ = make_flag_node (nod_isolation, NOD_CONSISTENCY, 0, NULL); }
|
|
;
|
|
|
|
version_mode : VERSION
|
|
{ $$ = make_flag_node (nod_version, NOD_VERSION, 0, NULL); }
|
|
| NO VERSION
|
|
{ $$ = make_flag_node (nod_version, NOD_NO_VERSION, 0, NULL); }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
tra_misc_options: NO AUTO UNDO
|
|
{ $$ = make_flag_node(nod_tra_misc, NOD_NO_AUTO_UNDO, 0, NULL); }
|
|
| KW_IGNORE LIMBO
|
|
{ $$ = make_flag_node(nod_tra_misc, NOD_IGNORE_LIMBO, 0, NULL); }
|
|
| RESTART REQUESTS
|
|
{ $$ = make_flag_node(nod_tra_misc, NOD_RESTART_REQUESTS, 0, NULL); }
|
|
;
|
|
|
|
tra_timeout: LOCK TIMEOUT nonneg_short_integer
|
|
{ $$ = make_node(nod_lock_timeout, 1, MAKE_const_slong ((IPTR) $3)); }
|
|
;
|
|
|
|
tbl_reserve_options: RESERVING restr_list
|
|
{ $$ = make_node (nod_reserve, 1, make_list ($2)); }
|
|
;
|
|
|
|
lock_type : KW_SHARED
|
|
{ $$ = (dsql_nod*) NOD_SHARED; }
|
|
| PROTECTED
|
|
{ $$ = (dsql_nod*) NOD_PROTECTED ; }
|
|
|
|
|
{ $$ = (dsql_nod*) 0; }
|
|
;
|
|
|
|
lock_mode : READ
|
|
{ $$ = (dsql_nod*) NOD_READ; }
|
|
| WRITE
|
|
{ $$ = (dsql_nod*) NOD_WRITE; }
|
|
;
|
|
|
|
restr_list : restr_option
|
|
| restr_list ',' restr_option
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
;
|
|
|
|
restr_option : table_list table_lock
|
|
{ $$ = make_node (nod_table_lock, (int) 2, make_list ($1), $2); }
|
|
;
|
|
|
|
table_lock : FOR lock_type lock_mode
|
|
{ $$ = make_flag_node (nod_lock_mode, (SSHORT) ((SSHORT)(IPTR) $2 | (SSHORT)(IPTR) $3), (SSHORT) 0, NULL); }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
table_list : simple_table_name
|
|
| table_list ',' simple_table_name
|
|
{ $$ = make_node (nod_list, (int) 2, $1, $3); }
|
|
;
|
|
|
|
|
|
set_statistics : SET STATISTICS INDEX symbol_index_name
|
|
{ $$ = make_node (nod_set_statistics, (int) e_stat_count, $4); }
|
|
;
|
|
|
|
comment : COMMENT ON ddl_type0 IS ddl_desc
|
|
{ $$ = make_node(nod_comment, e_comment_count, $3, NULL, NULL, $5); }
|
|
| COMMENT ON ddl_type1 symbol_ddl_name IS ddl_desc
|
|
{ $$ = make_node(nod_comment, e_comment_count, $3, $4, NULL, $6); }
|
|
| COMMENT ON ddl_type2 symbol_ddl_name ddl_subname IS ddl_desc
|
|
{ $$ = make_node(nod_comment, e_comment_count, $3, $4, $5, $7); }
|
|
;
|
|
|
|
ddl_type0 : DATABASE
|
|
{ $$ = MAKE_const_slong(ddl_database); }
|
|
;
|
|
|
|
ddl_type1 : DOMAIN
|
|
{ $$ = MAKE_const_slong(ddl_domain); }
|
|
| TABLE
|
|
{ $$ = MAKE_const_slong(ddl_relation); }
|
|
| VIEW
|
|
{ $$ = MAKE_const_slong(ddl_view); }
|
|
| PROCEDURE
|
|
{ $$ = MAKE_const_slong(ddl_procedure); }
|
|
| TRIGGER
|
|
{ $$ = MAKE_const_slong(ddl_trigger); }
|
|
| EXTERNAL FUNCTION
|
|
{ $$ = MAKE_const_slong(ddl_udf); }
|
|
| FILTER
|
|
{ $$ = MAKE_const_slong(ddl_blob_filter); }
|
|
| EXCEPTION
|
|
{ $$ = MAKE_const_slong(ddl_exception); }
|
|
| GENERATOR
|
|
{ $$ = MAKE_const_slong(ddl_generator); }
|
|
| SEQUENCE
|
|
{ $$ = MAKE_const_slong(ddl_generator); }
|
|
| INDEX
|
|
{ $$ = MAKE_const_slong(ddl_index); }
|
|
| ROLE
|
|
{ $$ = MAKE_const_slong(ddl_role); }
|
|
| CHARACTER SET
|
|
{ $$ = MAKE_const_slong(ddl_charset); }
|
|
| COLLATION
|
|
{ $$ = MAKE_const_slong(ddl_collation); }
|
|
/*
|
|
| SECURITY CLASS
|
|
{ $$ = MAKE_const_slong(ddl_sec_class); }
|
|
*/
|
|
;
|
|
|
|
ddl_type2 : COLUMN
|
|
{ $$ = MAKE_const_slong(ddl_relation); }
|
|
| PARAMETER
|
|
{ $$ = MAKE_const_slong(ddl_procedure); }
|
|
;
|
|
|
|
ddl_subname : '.' symbol_ddl_name
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
ddl_desc : sql_string
|
|
| KW_NULL
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
|
|
/* SELECT statement */
|
|
|
|
select : select_expr for_update_clause lock_clause
|
|
{ $$ = make_node (nod_select, (int) e_select_count, $1, $2, $3); }
|
|
;
|
|
|
|
for_update_clause : FOR UPDATE for_update_list
|
|
{ $$ = make_node (nod_for_update, (int) e_fpd_count, $3); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
for_update_list : OF column_list
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = make_node (nod_flag, 0, NULL); }
|
|
;
|
|
|
|
lock_clause : WITH LOCK
|
|
{ $$ = make_node (nod_flag, 0, NULL); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
|
|
/* SELECT expression */
|
|
|
|
select_expr : with_clause select_expr_body order_clause rows_clause
|
|
{ $$ = make_node (nod_select_expr, (int) e_sel_count, $2, $3, $4, $1); }
|
|
;
|
|
|
|
with_clause : WITH RECURSIVE with_list
|
|
{ $$ = make_flag_node (nod_with, NOD_UNION_RECURSIVE, 1, make_list($3)); }
|
|
| WITH with_list
|
|
{ $$ = make_node (nod_with, 1, make_list($2)); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
with_list : with_item
|
|
| with_item ',' with_list
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
with_item : symbol_table_alias_name derived_column_list AS '(' select_expr ')'
|
|
{ $$ = make_node (nod_derived_table, (int) e_derived_table_count, $5, $1, $2, NULL); }
|
|
;
|
|
|
|
column_select : with_clause select_expr_body order_clause rows_clause
|
|
{ $$ = make_flag_node (nod_select_expr, NOD_SELECT_EXPR_VALUE,
|
|
(int) e_sel_count, $2, $3, $4, $1); }
|
|
;
|
|
|
|
column_singleton : with_clause select_expr_body order_clause rows_clause
|
|
{ $$ = make_flag_node (nod_select_expr, NOD_SELECT_EXPR_VALUE | NOD_SELECT_EXPR_SINGLETON,
|
|
(int) e_sel_count, $2, $3, $4, $1); }
|
|
;
|
|
|
|
select_expr_body : query_term
|
|
| select_expr_body UNION distinct_noise query_term
|
|
{ $$ = make_node (nod_list, 2, $1, $4); }
|
|
| select_expr_body UNION ALL query_term
|
|
{ $$ = make_flag_node (nod_list, NOD_UNION_ALL, 2, $1, $4); }
|
|
;
|
|
|
|
query_term : query_spec
|
|
;
|
|
|
|
query_spec : SELECT limit_clause
|
|
distinct_clause
|
|
select_list
|
|
from_clause
|
|
where_clause
|
|
group_clause
|
|
having_clause
|
|
plan_clause
|
|
{ $$ = make_node (nod_query_spec, (int) e_qry_count,
|
|
$2, $3, $4, $5, $6, $7, $8, $9); }
|
|
;
|
|
|
|
limit_clause : first_clause skip_clause
|
|
{ $$ = make_node (nod_limit, (int) e_limit_count, $2, $1); }
|
|
| first_clause
|
|
{ $$ = make_node (nod_limit, (int) e_limit_count, NULL, $1); }
|
|
| skip_clause
|
|
{ $$ = make_node (nod_limit, (int) e_limit_count, $1, NULL); }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
first_clause : FIRST long_integer
|
|
{ $$ = MAKE_const_slong ((IPTR) $2); }
|
|
| FIRST '(' value ')'
|
|
{ $$ = $3; }
|
|
| FIRST parameter
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
skip_clause : SKIP long_integer
|
|
{ $$ = MAKE_const_slong ((IPTR) $2); }
|
|
| SKIP '(' value ')'
|
|
{ $$ = $3; }
|
|
| SKIP parameter
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
distinct_clause : DISTINCT
|
|
{ $$ = make_node (nod_flag, 0, NULL); }
|
|
| all_noise
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
select_list : select_items
|
|
{ $$ = make_list ($1); }
|
|
| '*'
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
select_items : select_item
|
|
| select_items ',' select_item
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
select_item : value
|
|
| value as_noise symbol_item_alias_name
|
|
{ $$ = make_node (nod_alias, 2, $1, $3); }
|
|
;
|
|
|
|
as_noise : AS
|
|
|
|
|
;
|
|
|
|
/* FROM clause */
|
|
|
|
from_clause : FROM from_list
|
|
{ $$ = make_list ($2); }
|
|
;
|
|
|
|
from_list : table_reference
|
|
| from_list ',' table_reference
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
table_reference : joined_table
|
|
| table_primary
|
|
;
|
|
|
|
table_primary : table_proc
|
|
| derived_table
|
|
| '(' joined_table ')'
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
// AB: derived table support
|
|
// ASF: create derived table with nested union to fix CORE-1246
|
|
derived_table :
|
|
'(' select_expr ')' as_noise correlation_name derived_column_list
|
|
{ $$ = make_node(nod_derived_table, (int) e_derived_table_count, $2, $5, $6, NULL); }
|
|
;
|
|
|
|
correlation_name : symbol_table_alias_name
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
derived_column_list : '(' alias_list ')'
|
|
{ $$ = make_list ($2); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
alias_list : symbol_item_alias_name
|
|
| alias_list ',' symbol_item_alias_name
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
joined_table : cross_join
|
|
| natural_join
|
|
| qualified_join
|
|
;
|
|
|
|
cross_join : table_reference CROSS JOIN table_primary
|
|
{ $$ = make_node (nod_join, (int) e_join_count, $1,
|
|
make_node (nod_join_inner, (int) 0, NULL), $4, NULL); }
|
|
;
|
|
|
|
natural_join : table_reference NATURAL join_type JOIN table_primary
|
|
{ $$ = make_node (nod_join, (int) e_join_count, $1, $3, $5,
|
|
make_node (nod_flag, 0, NULL)); }
|
|
;
|
|
|
|
qualified_join : table_reference join_type JOIN table_reference join_specification
|
|
{ $$ = make_node (nod_join, (int) e_join_count, $1, $2, $4, $5); }
|
|
;
|
|
|
|
join_specification : join_condition
|
|
| named_columns_join
|
|
;
|
|
|
|
join_condition : ON search_condition
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
named_columns_join : USING '(' column_list ')'
|
|
{ $$ = make_list ($3); }
|
|
;
|
|
|
|
table_proc : symbol_procedure_name table_proc_inputs as_noise symbol_table_alias_name
|
|
{ $$ = make_node (nod_rel_proc_name,
|
|
(int) e_rpn_count, $1, $4, $2); }
|
|
| symbol_procedure_name table_proc_inputs
|
|
{ $$ = make_node (nod_rel_proc_name,
|
|
(int) e_rpn_count, $1, NULL, $2); }
|
|
;
|
|
|
|
table_proc_inputs : '(' value_list ')'
|
|
{ $$ = make_list ($2); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
table_name : simple_table_name
|
|
| symbol_table_name as_noise symbol_table_alias_name
|
|
{ $$ = make_node (nod_relation_name,
|
|
(int) e_rln_count, $1, $3); }
|
|
;
|
|
|
|
simple_table_name: symbol_table_name
|
|
{ $$ = make_node (nod_relation_name,
|
|
(int) e_rln_count, $1, NULL); }
|
|
;
|
|
|
|
join_type : INNER
|
|
{ $$ = make_node (nod_join_inner, (int) 0, NULL); }
|
|
| LEFT outer_noise
|
|
{ $$ = make_node (nod_join_left, (int) 0, NULL); }
|
|
| RIGHT outer_noise
|
|
{ $$ = make_node (nod_join_right, (int) 0, NULL); }
|
|
| FULL outer_noise
|
|
{ $$ = make_node (nod_join_full, (int) 0, NULL); }
|
|
|
|
|
{ $$ = make_node (nod_join_inner, (int) 0, NULL); }
|
|
;
|
|
|
|
outer_noise : OUTER
|
|
|
|
|
;
|
|
|
|
|
|
/* other clauses in the select expression */
|
|
|
|
group_clause : GROUP BY group_by_list
|
|
{ $$ = make_list ($3); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
group_by_list : group_by_item
|
|
| group_by_list ',' group_by_item
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
/* Except aggregate-functions are all expressions supported in group_by_item,
|
|
they are caught inside pass1.cpp */
|
|
group_by_item : value
|
|
;
|
|
|
|
having_clause : HAVING search_condition
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
where_clause : WHERE search_condition
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
|
|
/* PLAN clause to specify an access plan for a query */
|
|
|
|
plan_clause : PLAN plan_expression
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
plan_expression : plan_type '(' plan_item_list ')'
|
|
{ $$ = make_node (nod_plan_expr, 2, $1, make_list ($3)); }
|
|
;
|
|
|
|
plan_type : JOIN
|
|
{ $$ = 0; }
|
|
| SORT MERGE
|
|
{ $$ = make_node (nod_merge_plan, (int) 0, NULL); }
|
|
| MERGE
|
|
{ $$ = make_node (nod_merge_plan, (int) 0, NULL); }
|
|
|
|
/* for now the SORT operator is a no-op; it does not
|
|
change the place where a sort happens, but is just intended
|
|
to read the output from a SET PLAN */
|
|
| SORT
|
|
{ $$ = 0; }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
plan_item_list : plan_item
|
|
| plan_item ',' plan_item_list
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
plan_item : table_or_alias_list access_type
|
|
{ $$ = make_node (nod_plan_item, 2, make_list ($1), $2); }
|
|
| plan_expression
|
|
;
|
|
|
|
table_or_alias_list : symbol_table_name
|
|
| symbol_table_name table_or_alias_list
|
|
{ $$ = make_node (nod_list, 2, $1, $2); }
|
|
;
|
|
|
|
access_type : NATURAL
|
|
{ $$ = make_node (nod_natural, (int) 0, NULL); }
|
|
| INDEX '(' index_list ')'
|
|
{ $$ = make_node (nod_index, 1, make_list ($3)); }
|
|
| ORDER symbol_index_name extra_indices_opt
|
|
{ $$ = make_node (nod_index_order, 2, $2, $3); }
|
|
;
|
|
|
|
index_list : symbol_index_name
|
|
| symbol_index_name ',' index_list
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
extra_indices_opt : INDEX '(' index_list ')'
|
|
{ $$ = make_list ($3); }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
/* ORDER BY clause */
|
|
|
|
order_clause : ORDER BY order_list
|
|
{ $$ = make_list ($3); }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
order_list : order_item
|
|
| order_list ',' order_item
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
order_item : value order_direction nulls_clause
|
|
{ $$ = make_node (nod_order, (int) e_order_count, $1, $2, $3); }
|
|
;
|
|
|
|
order_direction : ASC
|
|
{ $$ = 0; }
|
|
| DESC
|
|
{ $$ = make_node (nod_flag, 0, NULL); }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
nulls_clause : NULLS nulls_placement
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = 0; }
|
|
;
|
|
|
|
nulls_placement : FIRST
|
|
{ $$ = MAKE_const_slong(NOD_NULLS_FIRST); }
|
|
| LAST
|
|
{ $$ = MAKE_const_slong(NOD_NULLS_LAST); }
|
|
;
|
|
|
|
/* ROWS clause */
|
|
|
|
rows_clause : ROWS value
|
|
/* equivalent to FIRST value */
|
|
{ $$ = make_node (nod_rows, (int) e_rows_count, NULL, $2); }
|
|
| ROWS value TO value
|
|
/* equivalent to FIRST (upper_value - lower_value + 1) SKIP (lower_value - 1) */
|
|
{ $$ = make_node (nod_rows, (int) e_rows_count,
|
|
make_node (nod_subtract, 2, $2,
|
|
MAKE_const_slong (1)),
|
|
make_node (nod_add, 2,
|
|
make_node (nod_subtract, 2, $4, $2),
|
|
MAKE_const_slong (1))); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
|
|
/* INSERT statement */
|
|
/* IBO hack: replace column_parens_opt by ins_column_parens_opt. */
|
|
insert : INSERT INTO simple_table_name ins_column_parens_opt
|
|
VALUES '(' value_list ')' returning_clause
|
|
{ $$ = make_node (nod_insert, (int) e_ins_count,
|
|
$3, $4, make_list ($7), NULL, $9); }
|
|
| INSERT INTO simple_table_name ins_column_parens_opt select_expr returning_clause
|
|
{ $$ = make_node (nod_insert, (int) e_ins_count,
|
|
$3, $4, NULL, $5, $6); }
|
|
| INSERT INTO simple_table_name DEFAULT VALUES returning_clause
|
|
{ $$ = make_node (nod_insert, (int) e_ins_count,
|
|
$3, NULL, NULL, NULL, $6); }
|
|
;
|
|
|
|
|
|
/* MERGE statement */
|
|
merge
|
|
: MERGE INTO table_name USING table_reference ON search_condition
|
|
merge_when_clause
|
|
{
|
|
$$ = make_node(nod_merge, e_mrg_count, $3, $5, $7, $8);
|
|
}
|
|
;
|
|
|
|
merge_when_clause
|
|
: merge_when_matched_clause merge_when_not_matched_clause
|
|
{ $$ = make_node(nod_merge_when, e_mrg_when_count, $1, $2); }
|
|
| merge_when_not_matched_clause merge_when_matched_clause
|
|
{ $$ = make_node(nod_merge_when, e_mrg_when_count, $2, $1); }
|
|
| merge_when_matched_clause
|
|
{ $$ = make_node(nod_merge_when, e_mrg_when_count, $1, NULL); }
|
|
| merge_when_not_matched_clause
|
|
{ $$ = make_node(nod_merge_when, e_mrg_when_count, NULL, $1); }
|
|
;
|
|
|
|
merge_when_matched_clause
|
|
: WHEN MATCHED THEN merge_update_specification
|
|
{ $$ = $4; }
|
|
;
|
|
|
|
merge_when_not_matched_clause
|
|
: WHEN NOT MATCHED THEN merge_insert_specification
|
|
{ $$ = $5; }
|
|
;
|
|
|
|
merge_update_specification
|
|
: UPDATE SET assignments
|
|
{ $$ = make_node(nod_merge_update, e_mrg_update_count, make_list($3)); }
|
|
;
|
|
|
|
merge_insert_specification
|
|
: INSERT ins_column_parens_opt VALUES '(' value_list ')'
|
|
{ $$ = make_node(nod_merge_insert, e_mrg_insert_count, make_list($2), make_list($5)); }
|
|
;
|
|
|
|
|
|
/* DELETE statement */
|
|
|
|
delete : delete_searched
|
|
| delete_positioned
|
|
;
|
|
|
|
delete_searched : KW_DELETE FROM table_name where_clause
|
|
plan_clause order_clause rows_clause returning_clause
|
|
{ $$ = make_node (nod_delete, (int) e_del_count,
|
|
$3, $4, $5, $6, $7, NULL, $8); }
|
|
;
|
|
|
|
delete_positioned : KW_DELETE FROM table_name cursor_clause
|
|
{ $$ = make_node (nod_delete, (int) e_del_count,
|
|
$3, NULL, NULL, NULL, NULL, $4, NULL); }
|
|
;
|
|
|
|
|
|
/* UPDATE statement */
|
|
|
|
update : update_searched
|
|
| update_positioned
|
|
;
|
|
|
|
update_searched : UPDATE table_name SET assignments where_clause
|
|
plan_clause order_clause rows_clause returning_clause
|
|
{ $$ = make_node (nod_update, (int) e_upd_count,
|
|
$2, make_list ($4), $5, $6, $7, $8, NULL, $9, NULL); }
|
|
;
|
|
|
|
update_positioned : UPDATE table_name SET assignments cursor_clause
|
|
{ $$ = make_node (nod_update, (int) e_upd_count,
|
|
$2, make_list ($4), NULL, NULL, NULL, NULL, $5, NULL, NULL); }
|
|
;
|
|
|
|
|
|
/* UPDATE OR INSERT statement */
|
|
|
|
update_or_insert
|
|
: UPDATE OR INSERT INTO simple_table_name ins_column_parens_opt
|
|
VALUES '(' value_list ')'
|
|
update_or_insert_matching_opt
|
|
returning_clause
|
|
{
|
|
$$ = make_node (nod_update_or_insert, (int) e_upi_count,
|
|
$5, make_list ($6), make_list ($9), $11, $12);
|
|
}
|
|
;
|
|
|
|
update_or_insert_matching_opt
|
|
: MATCHING ins_column_parens
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
|
|
returning_clause : RETURNING value_list
|
|
{ $$ = make_node (nod_returning, (int) e_ret_count,
|
|
make_list ($2), NULL); }
|
|
| RETURNING value_list INTO variable_list
|
|
{ $$ = make_node (nod_returning, (int) e_ret_count,
|
|
make_list ($2), make_list ($4)); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
cursor_clause : WHERE CURRENT OF symbol_cursor_name
|
|
{ $$ = make_node (nod_cursor, (int) e_cur_count, $4, NULL, NULL, NULL); }
|
|
;
|
|
|
|
|
|
/* Assignments */
|
|
|
|
assignments : assignment
|
|
| assignments ',' assignment
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
assignment : update_column_name '=' value
|
|
{ $$ = make_node (nod_assign, e_asgn_count, $3, $1); }
|
|
;
|
|
|
|
exec_function
|
|
: udf
|
|
{ $$ = make_node (nod_assign, e_asgn_count, $1, make_node (nod_null, 0, NULL)); }
|
|
| non_aggregate_function
|
|
{ $$ = make_node (nod_assign, e_asgn_count, $1, make_node (nod_null, 0, NULL)); }
|
|
;
|
|
|
|
|
|
/* BLOB get and put */
|
|
|
|
blob_io : READ BLOB simple_column_name FROM simple_table_name filter_clause_io segment_clause_io
|
|
{ $$ = make_node (nod_get_segment, (int) e_blb_count, $3, $5, $6, $7); }
|
|
| INSERT BLOB simple_column_name INTO simple_table_name filter_clause_io segment_clause_io
|
|
{ $$ = make_node (nod_put_segment, (int) e_blb_count, $3, $5, $6, $7); }
|
|
;
|
|
|
|
filter_clause_io : FILTER FROM blob_subtype_value_io TO blob_subtype_value_io
|
|
{ $$ = make_node (nod_list, 2, $3, $5); }
|
|
| FILTER TO blob_subtype_value_io
|
|
{ $$ = make_node (nod_list, 2, NULL, $3); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
blob_subtype_value_io : blob_subtype_io
|
|
| parameter
|
|
;
|
|
|
|
blob_subtype_io : signed_short_integer
|
|
{ $$ = MAKE_const_slong ((IPTR) $1); }
|
|
;
|
|
|
|
segment_clause_io : MAX_SEGMENT segment_length_io
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
segment_length_io : unsigned_short_integer
|
|
{ $$ = MAKE_const_slong ((IPTR) $1); }
|
|
| parameter
|
|
;
|
|
|
|
|
|
/* column specifications */
|
|
|
|
column_parens_opt : column_parens
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
column_parens : '(' column_list ')'
|
|
{ $$ = make_list ($2); }
|
|
;
|
|
|
|
column_list : simple_column_name
|
|
| column_list ',' simple_column_name
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
/* begin IBO hack */
|
|
ins_column_parens_opt : ins_column_parens
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
ins_column_parens : '(' ins_column_list ')'
|
|
{ $$ = make_list ($2); }
|
|
;
|
|
|
|
ins_column_list : update_column_name
|
|
| ins_column_list ',' update_column_name
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
/* end IBO hack */
|
|
|
|
column_name : simple_column_name
|
|
| symbol_table_alias_name '.' symbol_column_name
|
|
{ $$ = make_node (nod_field_name, (int) e_fln_count,
|
|
$1, $3); }
|
|
| symbol_table_alias_name '.' '*'
|
|
{ $$ = make_node (nod_field_name, (int) e_fln_count,
|
|
$1, NULL); }
|
|
;
|
|
|
|
simple_column_name : symbol_column_name
|
|
{ $$ = make_node (nod_field_name, (int) e_fln_count,
|
|
NULL, $1); }
|
|
;
|
|
|
|
update_column_name : simple_column_name
|
|
/* CVC: This option should be deprecated! The only allowed syntax should be
|
|
Update...set column = expr, without qualifier for the column. */
|
|
| symbol_table_alias_name '.' symbol_column_name
|
|
{ $$ = make_node (nod_field_name, (int) e_fln_count,
|
|
$1, $3); }
|
|
;
|
|
|
|
/* boolean expressions */
|
|
|
|
search_condition : predicate
|
|
| search_condition OR search_condition
|
|
{ $$ = make_node (nod_or, 2, $1, $3); }
|
|
| search_condition AND search_condition
|
|
{ $$ = make_node (nod_and, 2, $1, $3); }
|
|
| NOT search_condition
|
|
{ $$ = make_node (nod_not, 1, $2); }
|
|
;
|
|
|
|
predicate : comparison_predicate
|
|
| distinct_predicate
|
|
| between_predicate
|
|
| like_predicate
|
|
| in_predicate
|
|
| null_predicate
|
|
| quantified_predicate
|
|
| exists_predicate
|
|
| containing_predicate
|
|
| similar_predicate
|
|
| starting_predicate
|
|
| singular_predicate
|
|
| trigger_action_predicate
|
|
| '(' search_condition ')'
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
|
|
/* comparisons */
|
|
|
|
comparison_predicate : value '=' value
|
|
{ $$ = make_node (nod_eql, 2, $1, $3); }
|
|
| value '<' value
|
|
{ $$ = make_node (nod_lss, 2, $1, $3); }
|
|
| value '>' value
|
|
{ $$ = make_node (nod_gtr, 2, $1, $3); }
|
|
| value GEQ value
|
|
{ $$ = make_node (nod_geq, 2, $1, $3); }
|
|
| value LEQ value
|
|
{ $$ = make_node (nod_leq, 2, $1, $3); }
|
|
| value NOT_GTR value
|
|
{ $$ = make_node (nod_leq, 2, $1, $3); }
|
|
| value NOT_LSS value
|
|
{ $$ = make_node (nod_geq, 2, $1, $3); }
|
|
| value NEQ value
|
|
{ $$ = make_node (nod_neq, 2, $1, $3); }
|
|
;
|
|
|
|
/* quantified comparisons */
|
|
|
|
quantified_predicate : value '=' ALL '(' column_select ')'
|
|
{ $$ = make_node (nod_eql_all, 2, $1, $5); }
|
|
| value '<' ALL '(' column_select ')'
|
|
{ $$ = make_node (nod_lss_all, 2, $1, $5); }
|
|
| value '>' ALL '(' column_select ')'
|
|
{ $$ = make_node (nod_gtr_all, 2, $1, $5); }
|
|
| value GEQ ALL '(' column_select ')'
|
|
{ $$ = make_node (nod_geq_all, 2, $1, $5); }
|
|
| value LEQ ALL '(' column_select ')'
|
|
{ $$ = make_node (nod_leq_all, 2, $1, $5); }
|
|
| value NOT_GTR ALL '(' column_select ')'
|
|
{ $$ = make_node (nod_leq_all, 2, $1, $5); }
|
|
| value NOT_LSS ALL '(' column_select ')'
|
|
{ $$ = make_node (nod_geq_all, 2, $1, $5); }
|
|
| value NEQ ALL '(' column_select ')'
|
|
{ $$ = make_node (nod_neq_all, 2, $1, $5); }
|
|
| value '=' some '(' column_select ')'
|
|
{ $$ = make_node (nod_eql_any, 2, $1, $5); }
|
|
| value '<' some '(' column_select ')'
|
|
{ $$ = make_node (nod_lss_any, 2, $1, $5); }
|
|
| value '>' some '(' column_select ')'
|
|
{ $$ = make_node (nod_gtr_any, 2, $1, $5); }
|
|
| value GEQ some '(' column_select ')'
|
|
{ $$ = make_node (nod_geq_any, 2, $1, $5); }
|
|
| value LEQ some '(' column_select ')'
|
|
{ $$ = make_node (nod_leq_any, 2, $1, $5); }
|
|
| value NOT_GTR some '(' column_select ')'
|
|
{ $$ = make_node (nod_leq_any, 2, $1, $5); }
|
|
| value NOT_LSS some '(' column_select ')'
|
|
{ $$ = make_node (nod_geq_any, 2, $1, $5); }
|
|
| value NEQ some '(' column_select ')'
|
|
{ $$ = make_node (nod_neq_any, 2, $1, $5); }
|
|
;
|
|
|
|
some : SOME
|
|
| ANY
|
|
;
|
|
|
|
|
|
/* other predicates */
|
|
|
|
distinct_predicate : value IS DISTINCT FROM value
|
|
{ $$ = make_node (nod_not, 1, make_node (nod_equiv, 2, $1, $5)); }
|
|
| value IS NOT DISTINCT FROM value
|
|
{ $$ = make_node (nod_equiv, 2, $1, $6); }
|
|
;
|
|
|
|
between_predicate : value BETWEEN value AND value
|
|
{ $$ = make_node (nod_between, 3, $1, $3, $5); }
|
|
| value NOT BETWEEN value AND value
|
|
{ $$ = make_node (nod_not, 1, make_node (nod_between,
|
|
3, $1, $4, $6)); }
|
|
;
|
|
|
|
like_predicate : value LIKE value
|
|
{ $$ = make_node (nod_like, 2, $1, $3); }
|
|
| value NOT LIKE value
|
|
{ $$ = make_node (nod_not, 1, make_node (nod_like, 2, $1, $4)); }
|
|
| value LIKE value ESCAPE value
|
|
{ $$ = make_node (nod_like, 3, $1, $3, $5); }
|
|
| value NOT LIKE value ESCAPE value
|
|
{ $$ = make_node (nod_not, 1, make_node (nod_like,
|
|
3, $1, $4, $6)); }
|
|
;
|
|
|
|
in_predicate : value KW_IN in_predicate_value
|
|
{ $$ = make_node (nod_eql_any, 2, $1, $3); }
|
|
| value NOT KW_IN in_predicate_value
|
|
{ $$ = make_node (nod_not, 1, make_node (nod_eql_any, 2, $1, $4)); }
|
|
;
|
|
|
|
containing_predicate : value CONTAINING value
|
|
{ $$ = make_node (nod_containing, 2, $1, $3); }
|
|
| value NOT CONTAINING value
|
|
{ $$ = make_node (nod_not, 1, make_node (nod_containing, 2, $1, $4)); }
|
|
;
|
|
|
|
similar_predicate
|
|
: value SIMILAR TO value
|
|
{ $$ = make_node(nod_similar, e_similar_count, $1, $4, NULL); }
|
|
| value NOT SIMILAR TO value
|
|
{ $$ = make_node(nod_not, 1, make_node(nod_similar, e_similar_count, $1, $5, NULL)); }
|
|
| value SIMILAR TO value ESCAPE value
|
|
{ $$ = make_node(nod_similar, e_similar_count, $1, $4, $6); }
|
|
| value NOT SIMILAR TO value ESCAPE value
|
|
{ $$ = make_node(nod_not, 1, make_node(nod_similar, e_similar_count, $1, $5, $7)); }
|
|
;
|
|
|
|
starting_predicate : value STARTING value
|
|
{ $$ = make_node (nod_starting, 2, $1, $3); }
|
|
| value NOT STARTING value
|
|
{ $$ = make_node (nod_not, 1, make_node (nod_starting, 2, $1, $4)); }
|
|
| value STARTING WITH value
|
|
{ $$ = make_node (nod_starting, 2, $1, $4); }
|
|
| value NOT STARTING WITH value
|
|
{ $$ = make_node (nod_not, 1, make_node (nod_starting, 2, $1, $5)); }
|
|
;
|
|
|
|
exists_predicate : EXISTS '(' select_expr ')'
|
|
{ $$ = make_node (nod_exists, 1, $3); }
|
|
;
|
|
|
|
singular_predicate : SINGULAR '(' select_expr ')'
|
|
{ $$ = make_node (nod_singular, 1, $3); }
|
|
;
|
|
|
|
null_predicate : value IS KW_NULL
|
|
{ $$ = make_node (nod_missing, 1, $1); }
|
|
| value IS NOT KW_NULL
|
|
{ $$ = make_node (nod_not, 1, make_node (nod_missing, 1, $1)); }
|
|
;
|
|
|
|
trigger_action_predicate : INSERTING
|
|
{ $$ = make_node (nod_eql, 2,
|
|
make_node (nod_internal_info, (int) e_internal_info_count,
|
|
MAKE_const_slong (internal_trigger_action)),
|
|
MAKE_const_slong (1)); }
|
|
| UPDATING
|
|
{ $$ = make_node (nod_eql, 2,
|
|
make_node (nod_internal_info, (int) e_internal_info_count,
|
|
MAKE_const_slong (internal_trigger_action)),
|
|
MAKE_const_slong (2)); }
|
|
| DELETING
|
|
{ $$ = make_node (nod_eql, 2,
|
|
make_node (nod_internal_info, (int) e_internal_info_count,
|
|
MAKE_const_slong (internal_trigger_action)),
|
|
MAKE_const_slong (3)); }
|
|
;
|
|
|
|
/* set values */
|
|
|
|
in_predicate_value : table_subquery
|
|
| '(' value_list ')'
|
|
{ $$ = make_list ($2); }
|
|
;
|
|
|
|
table_subquery : '(' column_select ')'
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
/* USER control SQL interface */
|
|
|
|
create_user_clause : symbol_user_name passwd_clause firstname_opt middlename_opt lastname_opt
|
|
{ $$ = make_node(nod_add_user, (int) e_user_count, $1, $2, $3, $4, $5); }
|
|
;
|
|
|
|
alter_user_clause : symbol_user_name passwd_opt firstname_opt middlename_opt lastname_opt
|
|
{ $$ = make_node(nod_mod_user, (int) e_user_count, $1, $2, $3, $4, $5); }
|
|
| symbol_user_name SET passwd_opt firstname_opt middlename_opt lastname_opt
|
|
{ $$ = make_node(nod_mod_user, (int) e_user_count, $1, $3, $4, $5, $6); }
|
|
;
|
|
|
|
drop_user_clause : symbol_user_name
|
|
{ $$ = make_node(nod_del_user, (int) e_del_user_count, $1); }
|
|
|
|
passwd_clause : PASSWORD sql_string
|
|
{ $$ = $2; }
|
|
;
|
|
|
|
passwd_opt : passwd_clause
|
|
{ $$ = $1; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
firstname_opt : FIRSTNAME sql_string
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
middlename_opt : MIDDLENAME sql_string
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
lastname_opt : LASTNAME sql_string
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
/* value types */
|
|
|
|
value : column_name
|
|
| array_element
|
|
| function
|
|
| u_constant
|
|
| parameter
|
|
| variable
|
|
| cast_specification
|
|
| case_expression
|
|
| next_value_expression
|
|
| udf
|
|
| '-' value
|
|
{ $$ = make_node (nod_negate, 1, $2); }
|
|
| '+' value
|
|
{ $$ = $2; }
|
|
| value '+' value
|
|
{
|
|
if (client_dialect >= SQL_DIALECT_V6_TRANSITION)
|
|
$$ = make_node (nod_add2, 2, $1, $3);
|
|
else
|
|
$$ = make_node (nod_add, 2, $1, $3);
|
|
}
|
|
| value CONCATENATE value
|
|
{ $$ = make_node (nod_concatenate, 2, $1, $3); }
|
|
| value COLLATE symbol_collation_name
|
|
{ $$ = make_node (nod_collate, (int) e_coll_count, (dsql_nod*) $3, $1); }
|
|
| value '-' value
|
|
{
|
|
if (client_dialect >= SQL_DIALECT_V6_TRANSITION)
|
|
$$ = make_node (nod_subtract2, 2, $1, $3);
|
|
else
|
|
$$ = make_node (nod_subtract, 2, $1, $3);
|
|
}
|
|
| value '*' value
|
|
{
|
|
if (client_dialect >= SQL_DIALECT_V6_TRANSITION)
|
|
$$ = make_node (nod_multiply2, 2, $1, $3);
|
|
else
|
|
$$ = make_node (nod_multiply, 2, $1, $3);
|
|
}
|
|
| value '/' value
|
|
{
|
|
if (client_dialect >= SQL_DIALECT_V6_TRANSITION)
|
|
$$ = make_node (nod_divide2, 2, $1, $3);
|
|
else
|
|
$$ = make_node (nod_divide, 2, $1, $3);
|
|
}
|
|
| '(' value ')'
|
|
{ $$ = $2; }
|
|
| '(' column_singleton ')'
|
|
{ $$ = $2; }
|
|
| current_user
|
|
| current_role
|
|
| internal_info
|
|
| DB_KEY
|
|
{ $$ = make_node (nod_dbkey, 1, NULL); }
|
|
| symbol_table_alias_name '.' DB_KEY
|
|
{ $$ = make_node (nod_dbkey, 1, $1); }
|
|
| KW_VALUE
|
|
{
|
|
$$ = make_node (nod_dom_value, 0, NULL);
|
|
}
|
|
| datetime_value_expression
|
|
| null_value
|
|
;
|
|
|
|
datetime_value_expression : CURRENT_DATE
|
|
{
|
|
if (client_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_dialect_datatype_unsupport,
|
|
isc_arg_number, (SLONG) client_dialect,
|
|
isc_arg_string, "DATE",
|
|
0);
|
|
if (db_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_db_dialect_dtype_unsupport,
|
|
isc_arg_number, (SLONG) db_dialect,
|
|
isc_arg_string, "DATE",
|
|
0);
|
|
$$ = make_node (nod_current_date, 0, NULL);
|
|
}
|
|
| CURRENT_TIME sec_precision_opt
|
|
{
|
|
if (client_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_dialect_datatype_unsupport,
|
|
isc_arg_number, (SLONG) client_dialect,
|
|
isc_arg_string, "TIME",
|
|
0);
|
|
if (db_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_db_dialect_dtype_unsupport,
|
|
isc_arg_number, (SLONG) db_dialect,
|
|
isc_arg_string, "TIME",
|
|
0);
|
|
$$ = make_node (nod_current_time, 1, $2);
|
|
}
|
|
| CURRENT_TIMESTAMP sec_precision_opt
|
|
{ $$ = make_node (nod_current_timestamp, 1, $2); }
|
|
;
|
|
|
|
sec_precision_opt : '(' nonneg_short_integer ')'
|
|
{ $$ = MAKE_const_slong ((IPTR) $2); }
|
|
|
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
array_element : column_name '[' value_list ']'
|
|
{ $$ = make_node (nod_array, (int) e_ary_count, $1, make_list ($3)); }
|
|
;
|
|
|
|
value_list_opt
|
|
: value_list
|
|
| // nothing
|
|
{ $$ = NULL; }
|
|
;
|
|
|
|
value_list : value
|
|
| value_list ',' value
|
|
{ $$ = make_node (nod_list, 2, $1, $3); }
|
|
;
|
|
|
|
constant : u_constant
|
|
| '-' u_numeric_constant
|
|
{ $$ = make_node (nod_negate, 1, $2); }
|
|
;
|
|
|
|
u_numeric_constant : NUMERIC
|
|
{ $$ = MAKE_constant ((dsql_str*) $1, CONSTANT_STRING); }
|
|
| NUMBER
|
|
{ $$ = MAKE_const_slong ((IPTR) $1); }
|
|
| FLOAT_NUMBER
|
|
{ $$ = MAKE_constant ((dsql_str*) $1, CONSTANT_DOUBLE); }
|
|
| NUMBER64BIT
|
|
{ $$ = MAKE_constant ((dsql_str*) $1, CONSTANT_SINT64); }
|
|
| SCALEDINT
|
|
{ $$ = MAKE_constant ((dsql_str*) $1, CONSTANT_SINT64); }
|
|
;
|
|
|
|
u_constant : u_numeric_constant
|
|
| sql_string
|
|
{ $$ = MAKE_str_constant ((dsql_str*) $1, lex.att_charset); }
|
|
| DATE STRING
|
|
{
|
|
if (client_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_dialect_datatype_unsupport,
|
|
isc_arg_number, (SLONG) client_dialect,
|
|
isc_arg_string, "DATE",
|
|
0);
|
|
if (db_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_db_dialect_dtype_unsupport,
|
|
isc_arg_number, (SLONG) db_dialect,
|
|
isc_arg_string, "DATE",
|
|
0);
|
|
$$ = MAKE_constant ((dsql_str*) $2, CONSTANT_DATE);
|
|
}
|
|
| TIME STRING
|
|
{
|
|
if (client_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_dialect_datatype_unsupport,
|
|
isc_arg_number, (SLONG) client_dialect,
|
|
isc_arg_string, "TIME",
|
|
0);
|
|
if (db_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_sql_db_dialect_dtype_unsupport,
|
|
isc_arg_number, (SLONG) db_dialect,
|
|
isc_arg_string, "TIME",
|
|
0);
|
|
$$ = MAKE_constant ((dsql_str*) $2, CONSTANT_TIME);
|
|
}
|
|
| TIMESTAMP STRING
|
|
{ $$ = MAKE_constant ((dsql_str*) $2, CONSTANT_TIMESTAMP); }
|
|
;
|
|
|
|
parameter : '?'
|
|
{ $$ = make_parameter (); }
|
|
;
|
|
|
|
current_user : USER
|
|
{ $$ = make_node (nod_user_name, 0, NULL); }
|
|
| CURRENT_USER
|
|
{ $$ = make_node (nod_user_name, 0, NULL); }
|
|
;
|
|
|
|
current_role : CURRENT_ROLE
|
|
{ $$ = make_node (nod_current_role, 0, NULL); }
|
|
;
|
|
|
|
internal_info : CURRENT_CONNECTION
|
|
{ $$ = make_node (nod_internal_info, (int) e_internal_info_count,
|
|
MAKE_const_slong (internal_connection_id)); }
|
|
| CURRENT_TRANSACTION
|
|
{ $$ = make_node (nod_internal_info, (int) e_internal_info_count,
|
|
MAKE_const_slong (internal_transaction_id)); }
|
|
| GDSCODE
|
|
{ $$ = make_node (nod_internal_info, (int) e_internal_info_count,
|
|
MAKE_const_slong (internal_gdscode)); }
|
|
| SQLCODE
|
|
{ $$ = make_node (nod_internal_info, (int) e_internal_info_count,
|
|
MAKE_const_slong (internal_sqlcode)); }
|
|
| ROW_COUNT
|
|
{ $$ = make_node (nod_internal_info, (int) e_internal_info_count,
|
|
MAKE_const_slong (internal_rows_affected)); }
|
|
;
|
|
|
|
sql_string : STRING /* string in current charset */
|
|
{ $$ = $1; }
|
|
| INTRODUCER STRING /* string in specific charset */
|
|
{ ((dsql_str*) $2)->str_charset = (TEXT *) $1;
|
|
$$ = $2; }
|
|
;
|
|
|
|
signed_short_integer : nonneg_short_integer
|
|
| '-' neg_short_integer
|
|
{ $$ = (dsql_nod*) - (IPTR) $2; }
|
|
;
|
|
|
|
nonneg_short_integer : NUMBER
|
|
{ if ((IPTR) $1 > SHRT_POS_MAX)
|
|
yyabandon (-842, isc_expec_short);
|
|
/* Short integer expected */
|
|
$$ = $1;}
|
|
;
|
|
|
|
neg_short_integer : NUMBER
|
|
{ if ((IPTR) $1 > SHRT_NEG_MAX)
|
|
yyabandon (-842, isc_expec_short);
|
|
/* Short integer expected */
|
|
$$ = $1;}
|
|
;
|
|
|
|
pos_short_integer : nonneg_short_integer
|
|
{ if ((IPTR) $1 == 0)
|
|
yyabandon (-842, isc_expec_positive);
|
|
/* Positive number expected */
|
|
$$ = $1;}
|
|
;
|
|
|
|
unsigned_short_integer : NUMBER
|
|
{ if ((IPTR) $1 > SHRT_UNSIGNED_MAX)
|
|
yyabandon (-842, isc_expec_ushort);
|
|
/* Unsigned short integer expected */
|
|
$$ = $1;}
|
|
;
|
|
|
|
signed_long_integer : long_integer
|
|
| '-' long_integer
|
|
{ $$ = (dsql_nod*) - (IPTR) $2; }
|
|
;
|
|
|
|
long_integer : NUMBER
|
|
{ $$ = $1;}
|
|
;
|
|
|
|
|
|
/* functions */
|
|
|
|
function
|
|
: aggregate_function
|
|
| non_aggregate_function
|
|
;
|
|
|
|
non_aggregate_function
|
|
: numeric_value_function
|
|
| string_value_function
|
|
| system_function_expression
|
|
;
|
|
|
|
aggregate_function : COUNT '(' '*' ')'
|
|
{ $$ = make_node (nod_agg_count, 0, NULL); }
|
|
| COUNT '(' all_noise value ')'
|
|
{ $$ = make_node (nod_agg_count, 1, $4); }
|
|
| COUNT '(' DISTINCT value ')'
|
|
{ $$ = make_flag_node (nod_agg_count,
|
|
NOD_AGG_DISTINCT, 1, $4); }
|
|
| SUM '(' all_noise value ')'
|
|
{
|
|
if (client_dialect >= SQL_DIALECT_V6_TRANSITION)
|
|
$$ = make_node (nod_agg_total2, 1, $4);
|
|
else
|
|
$$ = make_node (nod_agg_total, 1, $4);
|
|
}
|
|
| SUM '(' DISTINCT value ')'
|
|
{
|
|
if (client_dialect >= SQL_DIALECT_V6_TRANSITION)
|
|
$$ = make_flag_node (nod_agg_total2,
|
|
NOD_AGG_DISTINCT, 1, $4);
|
|
else
|
|
$$ = make_flag_node (nod_agg_total,
|
|
NOD_AGG_DISTINCT, 1, $4);
|
|
}
|
|
| AVG '(' all_noise value ')'
|
|
{
|
|
if (client_dialect >= SQL_DIALECT_V6_TRANSITION)
|
|
$$ = make_node (nod_agg_average2, 1, $4);
|
|
else
|
|
$$ = make_node (nod_agg_average, 1, $4);
|
|
}
|
|
| AVG '(' DISTINCT value ')'
|
|
{
|
|
if (client_dialect >= SQL_DIALECT_V6_TRANSITION)
|
|
$$ = make_flag_node (nod_agg_average2,
|
|
NOD_AGG_DISTINCT, 1, $4);
|
|
else
|
|
$$ = make_flag_node (nod_agg_average,
|
|
NOD_AGG_DISTINCT, 1, $4);
|
|
}
|
|
| MINIMUM '(' all_noise value ')'
|
|
{ $$ = make_node (nod_agg_min, 1, $4); }
|
|
| MINIMUM '(' DISTINCT value ')'
|
|
{ $$ = make_node (nod_agg_min, 1, $4); }
|
|
| MAXIMUM '(' all_noise value ')'
|
|
{ $$ = make_node (nod_agg_max, 1, $4); }
|
|
| MAXIMUM '(' DISTINCT value ')'
|
|
{ $$ = make_node (nod_agg_max, 1, $4); }
|
|
| LIST '(' all_noise value delimiter_opt ')'
|
|
{ $$ = make_node (nod_agg_list, 2, $4, $5); }
|
|
| LIST '(' DISTINCT value delimiter_opt ')'
|
|
{ $$ = make_flag_node (nod_agg_list, NOD_AGG_DISTINCT, 2, $4, $5); }
|
|
;
|
|
|
|
delimiter_opt
|
|
: ',' value
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = MAKE_str_constant (MAKE_cstring(","), lex.att_charset); }
|
|
;
|
|
|
|
numeric_value_function
|
|
: extract_expression
|
|
| length_expression
|
|
;
|
|
|
|
extract_expression : EXTRACT '(' timestamp_part FROM value ')'
|
|
{ $$ = make_node (nod_extract, (int) e_extract_count, $3, $5); }
|
|
;
|
|
|
|
length_expression : bit_length_expression
|
|
| char_length_expression
|
|
| octet_length_expression
|
|
;
|
|
|
|
bit_length_expression : BIT_LENGTH '(' value ')'
|
|
{ $$ = make_node(nod_strlen, (int) e_strlen_count,
|
|
MAKE_const_slong(blr_strlen_bit), $3); }
|
|
;
|
|
|
|
char_length_expression : CHAR_LENGTH '(' value ')'
|
|
{ $$ = make_node(nod_strlen, (int) e_strlen_count,
|
|
MAKE_const_slong(blr_strlen_char), $3); }
|
|
| CHARACTER_LENGTH '(' value ')'
|
|
{ $$ = make_node(nod_strlen, (int) e_strlen_count,
|
|
MAKE_const_slong(blr_strlen_char), $3); }
|
|
;
|
|
|
|
octet_length_expression : OCTET_LENGTH '(' value ')'
|
|
{ $$ = make_node(nod_strlen, (int) e_strlen_count,
|
|
MAKE_const_slong(blr_strlen_octet), $3); }
|
|
;
|
|
|
|
system_function_expression
|
|
: system_function_std_syntax '(' value_list_opt ')'
|
|
{ $$ = make_node(nod_sys_function, e_sysfunc_count, $1, make_list($3)); }
|
|
| system_function_special_syntax
|
|
;
|
|
|
|
system_function_std_syntax
|
|
: ABS
|
|
| ACOS
|
|
| ASCII_CHAR
|
|
| ASCII_VAL
|
|
| ASIN
|
|
| ATAN
|
|
| ATAN2
|
|
| BIN_AND
|
|
| BIN_NOT
|
|
| BIN_OR
|
|
| BIN_SHL
|
|
| BIN_SHR
|
|
| BIN_XOR
|
|
| CEIL
|
|
| CHAR_TO_UUID
|
|
| COS
|
|
| COSH
|
|
| COT
|
|
| EXP
|
|
| FLOOR
|
|
| GEN_UUID
|
|
| HASH
|
|
| LEFT
|
|
| LN
|
|
| LOG
|
|
| LOG10
|
|
| LPAD
|
|
| MAXVALUE
|
|
| MINVALUE
|
|
| MOD
|
|
| PI
|
|
| POSITION
|
|
| POWER
|
|
| RAND
|
|
| REPLACE
|
|
| REVERSE
|
|
| RIGHT
|
|
| ROUND
|
|
| RPAD
|
|
| SIGN
|
|
| SIN
|
|
| SINH
|
|
| SQRT
|
|
| TAN
|
|
| TANH
|
|
| TRUNC
|
|
| UUID_TO_CHAR
|
|
;
|
|
|
|
system_function_special_syntax
|
|
: DATEADD '(' value timestamp_part TO value ')'
|
|
{
|
|
$$ = make_flag_node(nod_sys_function, NOD_SPECIAL_SYNTAX, e_sysfunc_count,
|
|
$1, make_node(nod_list, 3, $3, $4, $6));
|
|
}
|
|
| DATEADD '(' timestamp_part ',' value ',' value ')'
|
|
{
|
|
$$ = make_flag_node(nod_sys_function, NOD_SPECIAL_SYNTAX, e_sysfunc_count,
|
|
$1, make_node(nod_list, 3, $5, $3, $7));
|
|
}
|
|
| DATEDIFF '(' timestamp_part FROM value TO value ')'
|
|
{
|
|
$$ = make_flag_node(nod_sys_function, NOD_SPECIAL_SYNTAX, e_sysfunc_count,
|
|
$1, make_node(nod_list, 3, $3, $5, $7));
|
|
}
|
|
| DATEDIFF '(' timestamp_part ',' value ',' value ')'
|
|
{
|
|
$$ = make_flag_node(nod_sys_function, NOD_SPECIAL_SYNTAX, e_sysfunc_count,
|
|
$1, make_node(nod_list, 3, $3, $5, $7));
|
|
}
|
|
| OVERLAY '(' value PLACING value FROM value FOR value ')'
|
|
{
|
|
$$ = make_flag_node(nod_sys_function, NOD_SPECIAL_SYNTAX, e_sysfunc_count,
|
|
$1, make_node(nod_list, 4, $3, $5, $7, $9));
|
|
}
|
|
| OVERLAY '(' value PLACING value FROM value ')'
|
|
{
|
|
$$ = make_flag_node(nod_sys_function, NOD_SPECIAL_SYNTAX, e_sysfunc_count,
|
|
$1, make_node(nod_list, 3, $3, $5, $7));
|
|
}
|
|
| POSITION '(' value KW_IN value ')'
|
|
{
|
|
$$ = make_flag_node(nod_sys_function, NOD_SPECIAL_SYNTAX, e_sysfunc_count,
|
|
$1, make_node(nod_list, 2, $3, $5));
|
|
}
|
|
;
|
|
|
|
string_value_function : substring_function
|
|
| trim_function
|
|
| KW_UPPER '(' value ')'
|
|
{ $$ = make_node (nod_upcase, 1, $3); }
|
|
| KW_LOWER '(' value ')'
|
|
{ $$ = make_node (nod_lowcase, 1, $3); }
|
|
;
|
|
|
|
substring_function : SUBSTRING '(' value FROM value string_length_opt ')'
|
|
/* SQL spec requires numbering to start with 1,
|
|
hence we decrement the first parameter to make it
|
|
compatible with the engine's implementation */
|
|
{ $$ = make_node (nod_substr, (int) e_substr_count, $3,
|
|
make_node (nod_subtract, 2, $5,
|
|
MAKE_const_slong (1)), $6); }
|
|
;
|
|
|
|
string_length_opt : FOR value
|
|
{ $$ = $2; }
|
|
|
|
|
{ $$ = MAKE_const_slong (SHRT_POS_MAX); }
|
|
;
|
|
|
|
trim_function : TRIM '(' trim_specification value FROM value ')'
|
|
{ $$ = make_node (nod_trim, (int) e_trim_count, $3, $4, $6); }
|
|
| TRIM '(' value FROM value ')'
|
|
{ $$ = make_node (nod_trim, (int) e_trim_count,
|
|
MAKE_const_slong (blr_trim_both), $3, $5); }
|
|
| TRIM '(' trim_specification FROM value ')'
|
|
{ $$ = make_node (nod_trim, (int) e_trim_count, $3, NULL, $5); }
|
|
| TRIM '(' value ')'
|
|
{ $$ = make_node (nod_trim, (int) e_trim_count,
|
|
MAKE_const_slong (blr_trim_both), NULL, $3); }
|
|
;
|
|
|
|
trim_specification : BOTH
|
|
{ $$ = MAKE_const_slong (blr_trim_both); }
|
|
| TRAILING
|
|
{ $$ = MAKE_const_slong (blr_trim_trailing); }
|
|
| LEADING
|
|
{ $$ = MAKE_const_slong (blr_trim_leading); }
|
|
;
|
|
|
|
udf : symbol_UDF_name '(' value_list ')'
|
|
{ $$ = make_node (nod_udf, 2, $1, $3); }
|
|
| symbol_UDF_name '(' ')'
|
|
{ $$ = make_node (nod_udf, 1, $1); }
|
|
;
|
|
|
|
cast_specification : CAST '(' value AS data_type_descriptor ')'
|
|
{ $$ = make_node (nod_cast, (int) e_cast_count, $5, $3); }
|
|
;
|
|
|
|
/* case expressions */
|
|
|
|
case_expression : case_abbreviation
|
|
| case_specification
|
|
;
|
|
|
|
case_abbreviation : NULLIF '(' value ',' value ')'
|
|
{ $$ = make_node (nod_searched_case, 2,
|
|
make_node (nod_list, 2, make_node (nod_eql, 2, $3, $5),
|
|
make_node (nod_null, 0, NULL)), $3); }
|
|
| IIF '(' search_condition ',' value ',' value ')'
|
|
{ $$ = make_node (nod_searched_case, 2,
|
|
make_node (nod_list, 2, $3, $5), $7); }
|
|
| COALESCE '(' value ',' value_list ')'
|
|
{ $$ = make_node (nod_coalesce, 2, $3, $5); }
|
|
| DECODE '(' value ',' decode_pairs ')'
|
|
{ $$ = make_node(nod_simple_case, 3, $3, make_list($5), make_node(nod_null, 0, NULL)); }
|
|
| DECODE '(' value ',' decode_pairs ',' value ')'
|
|
{ $$ = make_node(nod_simple_case, 3, $3, make_list($5), $7); }
|
|
;
|
|
|
|
case_specification : simple_case
|
|
| searched_case
|
|
;
|
|
|
|
simple_case : CASE case_operand simple_when_clause END
|
|
{ $$ = make_node (nod_simple_case, 3, $2, make_list($3), make_node (nod_null, 0, NULL)); }
|
|
| CASE case_operand simple_when_clause ELSE case_result END
|
|
{ $$ = make_node (nod_simple_case, 3, $2, make_list($3), $5); }
|
|
;
|
|
|
|
simple_when_clause : WHEN when_operand THEN case_result
|
|
{ $$ = make_node (nod_list, 2, $2, $4); }
|
|
| simple_when_clause WHEN when_operand THEN case_result
|
|
{ $$ = make_node (nod_list, 2, $1, make_node (nod_list, 2, $3, $5)); }
|
|
;
|
|
|
|
searched_case : CASE searched_when_clause END
|
|
{ $$ = make_node (nod_searched_case, 2, make_list($2), make_node (nod_null, 0, NULL)); }
|
|
| CASE searched_when_clause ELSE case_result END
|
|
{ $$ = make_node (nod_searched_case, 2, make_list($2), $4); }
|
|
;
|
|
|
|
searched_when_clause : WHEN search_condition THEN case_result
|
|
{ $$ = make_node (nod_list, 2, $2, $4); }
|
|
| searched_when_clause WHEN search_condition THEN case_result
|
|
{ $$ = make_node (nod_list, 2, $1, make_node (nod_list, 2, $3, $5)); }
|
|
;
|
|
|
|
when_operand : value
|
|
;
|
|
|
|
case_operand : value
|
|
;
|
|
|
|
case_result : value
|
|
;
|
|
|
|
decode_pairs
|
|
: value ',' value
|
|
{ $$ = make_node(nod_list, 2, $1, $3); }
|
|
| decode_pairs ',' value ',' value
|
|
{ $$ = make_node(nod_list, 2, $1, make_node(nod_list, 2, $3, $5)); }
|
|
;
|
|
|
|
/* next value expression */
|
|
|
|
next_value_expression : NEXT KW_VALUE FOR symbol_generator_name
|
|
{
|
|
if (client_dialect >= SQL_DIALECT_V6_TRANSITION)
|
|
$$ = make_node (nod_gen_id2, 2, $4,
|
|
MAKE_const_slong(1));
|
|
else
|
|
$$ = make_node (nod_gen_id, 2, $4,
|
|
MAKE_const_slong(1));
|
|
}
|
|
| GEN_ID '(' symbol_generator_name ',' value ')'
|
|
{
|
|
if (client_dialect >= SQL_DIALECT_V6_TRANSITION)
|
|
$$ = make_node (nod_gen_id2, 2, $3, $5);
|
|
else
|
|
$$ = make_node (nod_gen_id, 2, $3, $5);
|
|
}
|
|
;
|
|
|
|
|
|
timestamp_part : YEAR
|
|
{ $$ = MAKE_const_slong (blr_extract_year); }
|
|
| MONTH
|
|
{ $$ = MAKE_const_slong (blr_extract_month); }
|
|
| DAY
|
|
{ $$ = MAKE_const_slong (blr_extract_day); }
|
|
| HOUR
|
|
{ $$ = MAKE_const_slong (blr_extract_hour); }
|
|
| MINUTE
|
|
{ $$ = MAKE_const_slong (blr_extract_minute); }
|
|
| SECOND
|
|
{ $$ = MAKE_const_slong (blr_extract_second); }
|
|
| MILLISECOND
|
|
{ $$ = MAKE_const_slong (blr_extract_millisecond); }
|
|
| WEEK
|
|
{ $$ = MAKE_const_slong (blr_extract_week); }
|
|
| WEEKDAY
|
|
{ $$ = MAKE_const_slong (blr_extract_weekday); }
|
|
| YEARDAY
|
|
{ $$ = MAKE_const_slong (blr_extract_yearday); }
|
|
;
|
|
|
|
all_noise : ALL
|
|
|
|
|
;
|
|
|
|
distinct_noise : DISTINCT
|
|
|
|
|
;
|
|
|
|
null_value : KW_NULL
|
|
{ $$ = make_node (nod_null, 0, NULL); }
|
|
;
|
|
|
|
|
|
|
|
/* Performs special mapping of keywords into symbols */
|
|
|
|
symbol_UDF_name : SYMBOL
|
|
;
|
|
|
|
symbol_blob_subtype_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_character_set_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_collation_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_column_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_constraint_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_cursor_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_domain_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_exception_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_filter_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_gdscode_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_generator_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_index_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_item_alias_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_label_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_ddl_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_procedure_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_role_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_table_alias_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_table_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_trigger_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_user_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_variable_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_view_name : valid_symbol_name
|
|
;
|
|
|
|
symbol_savepoint_name : valid_symbol_name
|
|
;
|
|
|
|
/* symbols */
|
|
|
|
valid_symbol_name : SYMBOL
|
|
| non_reserved_word
|
|
;
|
|
|
|
/* list of non-reserved words */
|
|
|
|
non_reserved_word :
|
|
ACTION // added in IB 5.0/
|
|
| CASCADE
|
|
| FREE_IT
|
|
| RESTRICT
|
|
| ROLE
|
|
| KW_TYPE // added in IB 6.0
|
|
| KW_BREAK // added in FB 1.0
|
|
| KW_DESCRIPTOR
|
|
| SUBSTRING
|
|
| COALESCE // added in FB 1.5
|
|
| LAST
|
|
| LEAVE
|
|
| LOCK
|
|
| NULLIF
|
|
| NULLS
|
|
| STATEMENT
|
|
| INSERTING
|
|
| UPDATING
|
|
| DELETING
|
|
| FIRST
|
|
| SKIP
|
|
| BLOCK // added in FB 2.0
|
|
| BACKUP
|
|
| KW_DIFFERENCE
|
|
| IIF
|
|
| SCALAR_ARRAY
|
|
| WEEKDAY
|
|
| YEARDAY
|
|
| SEQUENCE
|
|
| NEXT
|
|
| RESTART
|
|
| COLLATION
|
|
| RETURNING
|
|
| KW_IGNORE
|
|
| LIMBO
|
|
| UNDO
|
|
| REQUESTS
|
|
| TIMEOUT
|
|
| ABS // added in FB 2.1
|
|
| ACCENT
|
|
| ACOS
|
|
| ALWAYS
|
|
| ASCII_CHAR
|
|
| ASCII_VAL
|
|
| ASIN
|
|
| ATAN
|
|
| ATAN2
|
|
| BIN_AND
|
|
| BIN_OR
|
|
| BIN_SHL
|
|
| BIN_SHR
|
|
| BIN_XOR
|
|
| CEIL
|
|
| COS
|
|
| COSH
|
|
| COT
|
|
| DATEADD
|
|
| DATEDIFF
|
|
| DECODE
|
|
| EXP
|
|
| FLOOR
|
|
| GEN_UUID
|
|
| GENERATED
|
|
| HASH
|
|
| LIST
|
|
| LN
|
|
| LOG
|
|
| LOG10
|
|
| LPAD
|
|
| MATCHED
|
|
| MATCHING
|
|
| MAXVALUE
|
|
| MILLISECOND
|
|
| MINVALUE
|
|
| MOD
|
|
| OVERLAY
|
|
| PAD
|
|
| PI
|
|
| PLACING
|
|
| POWER
|
|
| PRESERVE
|
|
| RAND
|
|
| REPLACE
|
|
| REVERSE
|
|
| ROUND
|
|
| RPAD
|
|
| SIGN
|
|
| SIN
|
|
| SINH
|
|
| SPACE
|
|
| SQRT
|
|
| TAN
|
|
| TANH
|
|
| TEMPORARY
|
|
| TRUNC
|
|
| WEEK
|
|
| AUTONOMOUS // added in FB 2.5
|
|
| CHAR_TO_UUID
|
|
| FIRSTNAME
|
|
| MIDDLENAME
|
|
| LASTNAME
|
|
| MAPPING
|
|
| OS_NAME
|
|
| UUID_TO_CHAR
|
|
| COMMON // new execute statement
|
|
| DATA
|
|
| SOURCE
|
|
| TWO_PHASE
|
|
| BIN_NOT
|
|
;
|
|
|
|
%%
|
|
|
|
|
|
/*
|
|
* PROGRAM: Dynamic SQL runtime support
|
|
* MODULE: lex.c
|
|
* DESCRIPTION: Lexical routine
|
|
*
|
|
*/
|
|
|
|
|
|
void LEX_dsql_init(MemoryPool& pool)
|
|
{
|
|
/**************************************
|
|
*
|
|
* L E X _ d s q l _ i n i t
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Initialize LEX for processing. This is called only once
|
|
* per session.
|
|
*
|
|
**************************************/
|
|
for (const TOK* token = KEYWORD_getTokens(); token->tok_string; ++token)
|
|
{
|
|
DSQL_SYM symbol = FB_NEW_RPT(pool, 0) dsql_sym;
|
|
symbol->sym_string = (TEXT *) token->tok_string;
|
|
symbol->sym_length = strlen(token->tok_string);
|
|
symbol->sym_type = SYM_keyword;
|
|
symbol->sym_keyword = token->tok_ident;
|
|
symbol->sym_version = token->tok_version;
|
|
dsql_str* str = FB_NEW_RPT(pool, symbol->sym_length) dsql_str;
|
|
str->str_length = symbol->sym_length;
|
|
strncpy((char*) str->str_data, (char*) symbol->sym_string, symbol->sym_length);
|
|
symbol->sym_object = (void *) str;
|
|
HSHD_insert(symbol);
|
|
}
|
|
}
|
|
|
|
|
|
const TEXT* Parser::lex_position()
|
|
{
|
|
/**************************************
|
|
*
|
|
* l e x _ p o s i t i o n
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Return the current position of LEX
|
|
* in the input string.
|
|
*
|
|
**************************************/
|
|
|
|
return lex.ptr;
|
|
}
|
|
|
|
|
|
#ifdef NOT_USED_OR_REPLACED
|
|
static bool long_int(dsql_nod* string,
|
|
SLONG *long_value)
|
|
{
|
|
/*************************************
|
|
*
|
|
* l o n g _ i n t
|
|
*
|
|
*************************************
|
|
*
|
|
* Functional description
|
|
* checks for all digits in the
|
|
* number and return an atol().
|
|
*
|
|
*************************************/
|
|
|
|
for (const UCHAR* p = (UCHAR*)((dsql_str*) string)->str_data;
|
|
classes(*p) & CHR_DIGIT; p++)
|
|
{
|
|
if (!(classes(*p) & CHR_DIGIT)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
*long_value = atol(((dsql_str*) string)->str_data);
|
|
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
|
|
static dsql_fld* make_field (dsql_nod* field_name)
|
|
{
|
|
/**************************************
|
|
*
|
|
* m a k e _ f i e l d
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Make a field block of given name.
|
|
*
|
|
**************************************/
|
|
thread_db* tdbb = JRD_get_thread_data();
|
|
|
|
if (field_name == NULL)
|
|
{
|
|
dsql_fld* field = FB_NEW(*tdbb->getDefaultPool())
|
|
dsql_fld(*tdbb->getDefaultPool());
|
|
field->fld_name = INTERNAL_FIELD_NAME;
|
|
return field;
|
|
}
|
|
const dsql_str* string = (dsql_str*) field_name->nod_arg[1];
|
|
dsql_fld* field = FB_NEW(*tdbb->getDefaultPool())
|
|
dsql_fld(*tdbb->getDefaultPool());
|
|
field->fld_name = string->str_data;
|
|
field->fld_explicit_collation = false;
|
|
field->fld_not_nullable = false;
|
|
field->fld_full_domain = false;
|
|
|
|
return field;
|
|
}
|
|
|
|
|
|
static dsql_fil* make_file()
|
|
{
|
|
/**************************************
|
|
*
|
|
* m a k e _ f i l e
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Make a file block
|
|
*
|
|
**************************************/
|
|
thread_db* tdbb = JRD_get_thread_data();
|
|
|
|
dsql_fil* temp_file = FB_NEW(*tdbb->getDefaultPool()) dsql_fil;
|
|
|
|
return temp_file;
|
|
}
|
|
|
|
|
|
dsql_nod* Parser::make_list (dsql_nod* node)
|
|
{
|
|
/**************************************
|
|
*
|
|
* m a k e _ l i s t
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Collapse nested list nodes into single list.
|
|
*
|
|
**************************************/
|
|
thread_db* tdbb = JRD_get_thread_data();
|
|
|
|
if (node)
|
|
{
|
|
DsqlNodStack stack;
|
|
stack_nodes(node, stack);
|
|
USHORT l = stack.getCount();
|
|
|
|
const dsql_nod* old = node;
|
|
node = FB_NEW_RPT(*tdbb->getDefaultPool(), l) dsql_nod;
|
|
node->nod_count = l;
|
|
node->nod_type = nod_list;
|
|
node->nod_line = (USHORT) lex.lines_bk;
|
|
node->nod_column = (USHORT) (lex.last_token_bk - lex.line_start_bk + 1);
|
|
if (old->getType() == dsql_type_nod)
|
|
{
|
|
node->nod_flags = old->nod_flags;
|
|
}
|
|
dsql_nod** ptr = node->nod_arg + node->nod_count;
|
|
|
|
while (stack.hasData())
|
|
*--ptr = stack.pop();
|
|
}
|
|
|
|
return node;
|
|
}
|
|
|
|
|
|
dsql_nod* Parser::make_parameter()
|
|
{
|
|
/**************************************
|
|
*
|
|
* m a k e _ p a r a m e t e r
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Make parameter node
|
|
* Any change should also be made to function below
|
|
*
|
|
**************************************/
|
|
thread_db* tdbb = JRD_get_thread_data();
|
|
|
|
dsql_nod* node = FB_NEW_RPT(*tdbb->getDefaultPool(), e_par_count) dsql_nod;
|
|
node->nod_type = nod_parameter;
|
|
node->nod_line = (USHORT) lex.lines_bk;
|
|
node->nod_column = (USHORT) (lex.last_token_bk - lex.line_start_bk + 1);
|
|
node->nod_count = e_par_count;
|
|
node->nod_arg[e_par_index] = (dsql_nod*)(IPTR) lex.param_number++;
|
|
|
|
return node;
|
|
}
|
|
|
|
|
|
dsql_nod* Parser::make_node(NOD_TYPE type, int count, ...)
|
|
{
|
|
/**************************************
|
|
*
|
|
* m a k e _ n o d e
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Make a node of given type.
|
|
* Any change should also be made to function below
|
|
*
|
|
**************************************/
|
|
thread_db* tdbb = JRD_get_thread_data();
|
|
|
|
dsql_nod* node = FB_NEW_RPT(*tdbb->getDefaultPool(), count) dsql_nod;
|
|
node->nod_type = type;
|
|
node->nod_line = (USHORT) lex.lines_bk;
|
|
node->nod_column = (USHORT) (lex.last_token_bk - lex.line_start_bk + 1);
|
|
node->nod_count = count;
|
|
dsql_nod** p = node->nod_arg;
|
|
va_list ptr;
|
|
va_start (ptr, count);
|
|
|
|
while (--count >= 0)
|
|
*p++ = va_arg (ptr, dsql_nod*);
|
|
|
|
va_end(ptr);
|
|
return node;
|
|
}
|
|
|
|
|
|
dsql_nod* Parser::makeClassNode(Node* node)
|
|
{
|
|
return make_node(nod_class_node, 1, reinterpret_cast<dsql_nod*>(node));
|
|
}
|
|
|
|
|
|
dsql_nod* Parser::make_flag_node(NOD_TYPE type, SSHORT flag, int count, ...)
|
|
{
|
|
/**************************************
|
|
*
|
|
* m a k e _ f l a g _ n o d e
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Make a node of given type. Set flag field
|
|
*
|
|
**************************************/
|
|
thread_db* tdbb = JRD_get_thread_data();
|
|
|
|
dsql_nod* node = FB_NEW_RPT(*tdbb->getDefaultPool(), count) dsql_nod;
|
|
node->nod_type = type;
|
|
node->nod_flags = flag;
|
|
node->nod_line = (USHORT) lex.lines_bk;
|
|
node->nod_column = (USHORT) (lex.last_token_bk - lex.line_start_bk + 1);
|
|
node->nod_count = count;
|
|
dsql_nod** p = node->nod_arg;
|
|
va_list ptr;
|
|
va_start (ptr, count);
|
|
|
|
while (--count >= 0)
|
|
*p++ = va_arg (ptr, dsql_nod*);
|
|
|
|
va_end(ptr);
|
|
return node;
|
|
}
|
|
|
|
|
|
static void prepare_console_debug (int level, int *yydeb)
|
|
{
|
|
/*************************************
|
|
*
|
|
* p r e p a r e _ c o n s o l e _ d e b u g
|
|
*
|
|
*************************************
|
|
*
|
|
* Functional description
|
|
* Activate debug info. In WinNT, redirect the standard
|
|
* output so one can see the generated information.
|
|
* Feel free to add your platform specific code.
|
|
*
|
|
*************************************/
|
|
#ifdef DSQL_DEBUG
|
|
DSQL_debug = level;
|
|
#endif
|
|
if (level >> 8)
|
|
*yydeb = level >> 8;
|
|
}
|
|
|
|
#ifdef NOT_USED_OR_REPLACED
|
|
static bool short_int(dsql_nod* string,
|
|
SLONG *long_value,
|
|
SSHORT range)
|
|
{
|
|
/*************************************
|
|
*
|
|
* s h o r t _ i n t
|
|
*
|
|
*************************************
|
|
*
|
|
* Functional description
|
|
* is the string a valid representation
|
|
* of a positive short int?
|
|
*
|
|
*************************************/
|
|
|
|
if (((dsql_str*) string)->str_length > 5) {
|
|
return false;
|
|
}
|
|
|
|
for (UCHAR* p = (UCHAR*)((dsql_str*) string)->str_data;
|
|
classes(*p) & CHR_DIGIT; p++)
|
|
{
|
|
if (!(classes(*p) & CHR_DIGIT)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* there are 5 or fewer digits, it's value may still be greater
|
|
* than 32767... */
|
|
|
|
SCHAR buf[10];
|
|
buf[0] = ((dsql_str*) string)->str_data[0];
|
|
buf[1] = ((dsql_str*) string)->str_data[1];
|
|
buf[2] = ((dsql_str*) string)->str_data[2];
|
|
buf[3] = ((dsql_str*) string)->str_data[3];
|
|
buf[4] = ((dsql_str*) string)->str_data[4];
|
|
buf[5] = '\0';
|
|
|
|
*long_value = atoi (buf);
|
|
|
|
bool return_value;
|
|
|
|
switch (range)
|
|
{
|
|
case POSITIVE:
|
|
return_value = *long_value > SHRT_POS_MAX;
|
|
break;
|
|
case NEGATIVE:
|
|
return_value = *long_value > SHRT_NEG_MAX;
|
|
break;
|
|
case UNSIGNED:
|
|
return_value = *long_value > SHRT_UNSIGNED_MAX;
|
|
break;
|
|
}
|
|
return !return_value;
|
|
}
|
|
#endif
|
|
|
|
static void stack_nodes (dsql_nod* node,
|
|
DsqlNodStack& stack)
|
|
{
|
|
/**************************************
|
|
*
|
|
* s t a c k _ n o d e s
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Assist in turning a tree of misc nodes into a clean list.
|
|
*
|
|
**************************************/
|
|
if (node->nod_type != nod_list)
|
|
{
|
|
stack.push(node);
|
|
return;
|
|
}
|
|
|
|
/* To take care of cases where long lists of nodes are in a chain
|
|
of list nodes with exactly one entry, this algorithm will look
|
|
for a pattern of repeated list nodes with two entries, the first
|
|
being a list node and the second being a non-list node. Such
|
|
a list will be reverse linked, and then re-reversed, stacking the
|
|
non-list nodes in the process. The purpose of this is to avoid
|
|
massive recursion of this function. */
|
|
|
|
dsql_nod* start_chain = node;
|
|
dsql_nod* end_chain = NULL;
|
|
dsql_nod* curr_node = node;
|
|
dsql_nod* next_node = node->nod_arg[0];
|
|
while ( curr_node->nod_count == 2 &&
|
|
curr_node->nod_arg[0]->nod_type == nod_list &&
|
|
curr_node->nod_arg[1]->nod_type != nod_list &&
|
|
next_node->nod_arg[0]->nod_type == nod_list &&
|
|
next_node->nod_arg[1]->nod_type != nod_list)
|
|
{
|
|
|
|
/* pattern was found so reverse the links and go to next node */
|
|
|
|
dsql_nod* save_link = next_node->nod_arg[0];
|
|
next_node->nod_arg[0] = curr_node;
|
|
curr_node = next_node;
|
|
next_node = save_link;
|
|
end_chain = curr_node;
|
|
}
|
|
|
|
/* see if any chain was found */
|
|
|
|
if (end_chain)
|
|
{
|
|
|
|
/* first, handle the rest of the nodes */
|
|
/* note that next_node still points to the first non-pattern node */
|
|
|
|
stack_nodes (next_node, stack);
|
|
|
|
/* stack the non-list nodes and reverse the chain on the way back */
|
|
|
|
curr_node = end_chain;
|
|
while (true)
|
|
{
|
|
stack.push(curr_node->nod_arg[1]);
|
|
if ( curr_node == start_chain)
|
|
break;
|
|
dsql_nod* save_link = curr_node->nod_arg[0];
|
|
curr_node->nod_arg[0] = next_node;
|
|
next_node = curr_node;
|
|
curr_node = save_link;
|
|
}
|
|
return;
|
|
}
|
|
|
|
dsql_nod** ptr = node->nod_arg;
|
|
for (const dsql_nod* const* const end = ptr + node->nod_count; ptr < end; ptr++)
|
|
stack_nodes (*ptr, stack);
|
|
}
|
|
|
|
static Firebird::MetaName toName(dsql_nod* node)
|
|
{
|
|
return Firebird::MetaName(((dsql_str*) node)->str_data);
|
|
}
|
|
|
|
int Parser::yylex()
|
|
{
|
|
lex.prev_keyword = yylexAux();
|
|
return lex.prev_keyword;
|
|
}
|
|
|
|
int Parser::yylexAux()
|
|
{
|
|
/**************************************
|
|
*
|
|
* y y l e x A u x
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description: lexer.
|
|
*
|
|
**************************************/
|
|
UCHAR tok_class;
|
|
char string[MAX_TOKEN_LEN];
|
|
SSHORT c;
|
|
|
|
/* Find end of white space and skip comments */
|
|
|
|
for (;;)
|
|
{
|
|
if (lex.ptr >= lex.end)
|
|
return -1;
|
|
|
|
c = *lex.ptr++;
|
|
|
|
/* Process comments */
|
|
|
|
if (c == '\n') {
|
|
lex.lines++;
|
|
lex.line_start = lex.ptr;
|
|
continue;
|
|
}
|
|
|
|
if (c == '-' && lex.ptr < lex.end && *lex.ptr == '-')
|
|
{
|
|
/* single-line */
|
|
|
|
lex.ptr++;
|
|
while (lex.ptr < lex.end) {
|
|
if ((c = *lex.ptr++) == '\n') {
|
|
lex.lines++;
|
|
lex.line_start = lex.ptr /* + 1*/; /* CVC: +1 left out. */
|
|
break;
|
|
}
|
|
}
|
|
if (lex.ptr >= lex.end)
|
|
return -1;
|
|
continue;
|
|
}
|
|
else if (c == '/' && lex.ptr < lex.end && *lex.ptr == '*')
|
|
{
|
|
/* multi-line */
|
|
|
|
const TEXT& start_block = lex.ptr[-1];
|
|
lex.ptr++;
|
|
while (lex.ptr < lex.end) {
|
|
if ((c = *lex.ptr++) == '*') {
|
|
if (*lex.ptr == '/')
|
|
break;
|
|
}
|
|
if (c == '\n') {
|
|
lex.lines++;
|
|
lex.line_start = lex.ptr /* + 1*/; /* CVC: +1 left out. */
|
|
|
|
}
|
|
}
|
|
if (lex.ptr >= lex.end)
|
|
{
|
|
// I need this to report the correct beginning of the block,
|
|
// since it's not a token really.
|
|
lex.last_token = &start_block;
|
|
yyerror("unterminated block comment");
|
|
return -1;
|
|
}
|
|
lex.ptr++;
|
|
continue;
|
|
}
|
|
|
|
tok_class = classes(c);
|
|
|
|
if (!(tok_class & CHR_WHITE))
|
|
break;
|
|
}
|
|
|
|
/* Depending on tok_class of token, parse token */
|
|
|
|
lex.last_token = lex.ptr - 1;
|
|
|
|
if (tok_class & CHR_INTRODUCER)
|
|
{
|
|
/* The Introducer (_) is skipped, all other idents are copied
|
|
* to become the name of the character set
|
|
*/
|
|
char* p = string;
|
|
for (; lex.ptr < lex.end && classes(*lex.ptr) & CHR_IDENT; lex.ptr++)
|
|
{
|
|
if (lex.ptr >= lex.end)
|
|
return -1;
|
|
check_copy_incr(p, UPPER7(*lex.ptr), string);
|
|
}
|
|
|
|
check_bound(p, string);
|
|
*p = 0;
|
|
|
|
/* make a string value to hold the name, the name
|
|
* is resolved in pass1_constant */
|
|
|
|
yylval = (dsql_nod*) (MAKE_string(string, p - string))->str_data;
|
|
|
|
return INTRODUCER;
|
|
}
|
|
|
|
/* parse a quoted string, being sure to look for double quotes */
|
|
|
|
if (tok_class & CHR_QUOTE)
|
|
{
|
|
char* buffer = string;
|
|
size_t buffer_len = sizeof (string);
|
|
const char* buffer_end = buffer + buffer_len - 1;
|
|
char* p;
|
|
for (p = buffer; ; ++p)
|
|
{
|
|
if (lex.ptr >= lex.end)
|
|
{
|
|
if (buffer != string)
|
|
gds__free (buffer);
|
|
yyerror("unterminated string");
|
|
return -1;
|
|
}
|
|
// Care about multi-line constants and identifiers
|
|
if (*lex.ptr == '\n') {
|
|
lex.lines++;
|
|
lex.line_start = lex.ptr + 1;
|
|
}
|
|
/* *lex.ptr is quote - if next != quote we're at the end */
|
|
if ((*lex.ptr == c) && ((++lex.ptr == lex.end) || (*lex.ptr != c)))
|
|
break;
|
|
if (p > buffer_end)
|
|
{
|
|
char* const new_buffer = (char*) gds__alloc (2 * buffer_len);
|
|
/* FREE: at outer block */
|
|
if (!new_buffer) /* NOMEM: */
|
|
{
|
|
if (buffer != string)
|
|
gds__free (buffer);
|
|
return -1;
|
|
}
|
|
memcpy (new_buffer, buffer, buffer_len);
|
|
if (buffer != string)
|
|
gds__free (buffer);
|
|
buffer = new_buffer;
|
|
p = buffer + buffer_len;
|
|
buffer_len = 2 * buffer_len;
|
|
buffer_end = buffer + buffer_len - 1;
|
|
}
|
|
*p = *lex.ptr++;
|
|
}
|
|
if (c == '"')
|
|
{
|
|
stmt_ambiguous = true; /* string delimited by double quotes could be
|
|
** either a string constant or a SQL delimited
|
|
** identifier, therefore marks the SQL
|
|
** statement as ambiguous */
|
|
if (client_dialect == SQL_DIALECT_V6_TRANSITION)
|
|
{
|
|
if (buffer != string)
|
|
gds__free (buffer);
|
|
yyabandon (-104, isc_invalid_string_constant);
|
|
}
|
|
else if (client_dialect >= SQL_DIALECT_V6)
|
|
{
|
|
if ((p - buffer) >= MAX_TOKEN_LEN)
|
|
{
|
|
if (buffer != string)
|
|
gds__free (buffer);
|
|
yyabandon (-104, isc_token_too_long);
|
|
}
|
|
yylval = (dsql_nod*) MAKE_string(buffer, p - buffer);
|
|
dsql_str* delimited_id_str = (dsql_str*) yylval;
|
|
delimited_id_str->str_flags |= STR_delimited_id;
|
|
if (buffer != string)
|
|
gds__free (buffer);
|
|
return SYMBOL;
|
|
}
|
|
}
|
|
yylval = (dsql_nod*) MAKE_string(buffer, p - buffer);
|
|
if (buffer != string)
|
|
gds__free (buffer);
|
|
return STRING;
|
|
}
|
|
|
|
/*
|
|
* Check for a numeric constant, which starts either with a digit or with
|
|
* a decimal point followed by a digit.
|
|
*
|
|
* This code recognizes the following token types:
|
|
*
|
|
* NUMBER: string of digits which fits into a 32-bit integer
|
|
*
|
|
* NUMBER64BIT: string of digits whose value might fit into an SINT64,
|
|
* depending on whether or not there is a preceding '-', which is to
|
|
* say that "9223372036854775808" is accepted here.
|
|
*
|
|
* SCALEDINT: string of digits and a single '.', where the digits
|
|
* represent a value which might fit into an SINT64, depending on
|
|
* whether or not there is a preceding '-'.
|
|
*
|
|
* FLOAT: string of digits with an optional '.', and followed by an "e"
|
|
* or "E" and an optionally-signed exponent.
|
|
*
|
|
* NOTE: we swallow leading or trailing blanks, but we do NOT accept
|
|
* embedded blanks:
|
|
*
|
|
* Another note: c is the first character which need to be considered,
|
|
* ptr points to the next character.
|
|
*/
|
|
|
|
fb_assert(lex.ptr <= lex.end);
|
|
|
|
// Hexadecimal string constant. This is treated the same as a
|
|
// string constant, but is defined as: X'bbbb'
|
|
//
|
|
// Where the X is a literal 'x' or 'X' character, followed
|
|
// by a set of nibble values in single quotes. The nibble
|
|
// can be 0-9, a-f, or A-F, and is converted from the hex.
|
|
// If an odd number of nibbles is given, a leading '0' is
|
|
// assumed.
|
|
//
|
|
// The resulting value is stored in a string descriptor and
|
|
// returned to the parser as a string. This can be stored
|
|
// in a character or binary item.
|
|
if ((c == 'x' || c == 'X') && lex.ptr < lex.end && *lex.ptr == '\'')
|
|
{
|
|
bool hexerror = false;
|
|
|
|
// Remember where we start from, to rescan later.
|
|
// Also we'll need to know the length of the buffer.
|
|
|
|
const char* hexstring = (char*) ++lex.ptr;
|
|
int charlen = 0;
|
|
|
|
// Time to scan the string. Make sure the characters are legal,
|
|
// and find out how long the hex digit string is.
|
|
|
|
for (;;)
|
|
{
|
|
if (lex.ptr >= lex.end) // Unexpected EOS
|
|
{
|
|
hexerror = true;
|
|
break;
|
|
}
|
|
|
|
c = *lex.ptr;
|
|
|
|
if (c == '\'') // Trailing quote, done
|
|
{
|
|
++lex.ptr; // Skip the quote
|
|
break;
|
|
}
|
|
|
|
if (!(classes(c) & CHR_HEX)) // Illegal character
|
|
{
|
|
hexerror = true;
|
|
break;
|
|
}
|
|
|
|
++charlen; // Okay, just count 'em
|
|
++lex.ptr; // and advance...
|
|
}
|
|
|
|
// If we made it this far with no error, then convert the string.
|
|
if (!hexerror)
|
|
{
|
|
// At this point, see if the string length is odd. If so,
|
|
// we'll assume a leading zero. Then figure out the length
|
|
// of the actual resulting hex string. Allocate a second
|
|
// temporary buffer for it.
|
|
|
|
bool nibble = (charlen & 1); // IS_ODD(charlen)
|
|
Firebird::string temp;
|
|
|
|
// Re-scan over the hex string we got earlier, converting
|
|
// adjacent bytes into nibble values. Every other nibble,
|
|
// write the saved byte to the temp space. At the end of
|
|
// this, the temp.space area will contain the binary
|
|
// representation of the hex constant.
|
|
|
|
UCHAR byte = 0;
|
|
for (int i = 0; i < charlen; i++)
|
|
{
|
|
c = UPPER7(hexstring[i]);
|
|
|
|
// Now convert the character to a nibble
|
|
|
|
if (c >= 'A')
|
|
c = (c - 'A') + 10;
|
|
else
|
|
c = (c - '0');
|
|
|
|
if (nibble)
|
|
{
|
|
byte = (byte << 4) + (UCHAR) c;
|
|
nibble = false;
|
|
temp.append(1, (char) byte);
|
|
}
|
|
else
|
|
{
|
|
byte = c;
|
|
nibble = true;
|
|
}
|
|
}
|
|
|
|
dsql_str* string = MAKE_string((char*) temp.c_str(), temp.length());
|
|
string->str_charset = "BINARY";
|
|
yylval = (dsql_nod*) string;
|
|
|
|
return STRING;
|
|
} // if (!hexerror)...
|
|
|
|
// If we got here, there was a parsing error. Set the
|
|
// position back to where it was before we messed with
|
|
// it. Then fall through to the next thing we might parse.
|
|
|
|
c = *lex.last_token;
|
|
lex.ptr = lex.last_token + 1;
|
|
}
|
|
|
|
// Hexadecimal numeric constants - 0xBBBBBB
|
|
//
|
|
// where the '0' and the 'X' (or 'x') are literal, followed
|
|
// by a set of nibbles, using 0-9, a-f, or A-F. Odd numbers
|
|
// of nibbles assume a leading '0'. The result is converted
|
|
// to an integer, and the result returned to the caller. The
|
|
// token is identified as a NUMBER if it's a 32-bit or less
|
|
// value, or a NUMBER64INT if it requires a 64-bit number.
|
|
if (c == '0' && lex.ptr + 1 < lex.end && (*lex.ptr == 'x' || *lex.ptr == 'X') &&
|
|
(classes(lex.ptr[1]) & CHR_HEX))
|
|
{
|
|
bool hexerror = false;
|
|
|
|
// Remember where we start from, to rescan later.
|
|
// Also we'll need to know the length of the buffer.
|
|
|
|
++lex.ptr; // Skip the 'X' and point to the first digit
|
|
const char* hexstring = (char*) lex.ptr;
|
|
int charlen = 0;
|
|
|
|
// Time to scan the string. Make sure the characters are legal,
|
|
// and find out how long the hex digit string is.
|
|
|
|
for (;;)
|
|
{
|
|
if (lex.ptr >= lex.end) // Unexpected EOS
|
|
{
|
|
hexerror = true;
|
|
break;
|
|
}
|
|
|
|
c = *lex.ptr;
|
|
|
|
if (!(classes(c) & CHR_HEX)) // End of digit string
|
|
break;
|
|
|
|
++charlen; // Okay, just count 'em
|
|
++lex.ptr; // and advance...
|
|
|
|
if (charlen > 16) // Too many digits...
|
|
{
|
|
hexerror = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// we have a valid hex token. Now give it back, either as
|
|
// an NUMBER or NUMBER64BIT.
|
|
if (!hexerror)
|
|
{
|
|
// if charlen > 8 (something like FFFF FFFF 0, w/o the spaces)
|
|
// then we have to return a NUMBER64BIT. We'll make a string
|
|
// node here, and let make.cpp worry about converting the
|
|
// string to a number and building the node later.
|
|
if (charlen > 8)
|
|
{
|
|
char cbuff[32];
|
|
cbuff[0] = 'X';
|
|
strncpy(&cbuff[1], hexstring, charlen);
|
|
cbuff[charlen + 1] = '\0';
|
|
|
|
char* p = &cbuff[1];
|
|
|
|
while (*p != '\0')
|
|
{
|
|
if ((*p >= 'a') && (*p <= 'f'))
|
|
*p = UPPER(*p);
|
|
p++;
|
|
}
|
|
|
|
yylval = (dsql_nod*) MAKE_string(cbuff, strlen(cbuff));
|
|
return NUMBER64BIT;
|
|
}
|
|
else
|
|
{
|
|
// we have an integer value. we'll return NUMBER.
|
|
// but we have to make a number value to be compatible
|
|
// with existing code.
|
|
|
|
// See if the string length is odd. If so,
|
|
// we'll assume a leading zero. Then figure out the length
|
|
// of the actual resulting hex string. Allocate a second
|
|
// temporary buffer for it.
|
|
|
|
bool nibble = (charlen & 1); // IS_ODD(temp.length)
|
|
|
|
// Re-scan over the hex string we got earlier, converting
|
|
// adjacent bytes into nibble values. Every other nibble,
|
|
// write the saved byte to the temp space. At the end of
|
|
// this, the temp.space area will contain the binary
|
|
// representation of the hex constant.
|
|
|
|
UCHAR byte = 0;
|
|
SINT64 value = 0;
|
|
|
|
for (int i = 0; i < charlen; i++)
|
|
{
|
|
c = UPPER(hexstring[i]);
|
|
|
|
// Now convert the character to a nibble
|
|
|
|
if (c >= 'A')
|
|
c = (c - 'A') + 10;
|
|
else
|
|
c = (c - '0');
|
|
|
|
if (nibble)
|
|
{
|
|
byte = (byte << 4) + (UCHAR) c;
|
|
nibble = false;
|
|
value = (value << 8) + byte;
|
|
}
|
|
else
|
|
{
|
|
byte = c;
|
|
nibble = true;
|
|
}
|
|
}
|
|
|
|
yylval = (dsql_nod*)(long) value;
|
|
return NUMBER;
|
|
} // integer value
|
|
} // if (!hexerror)...
|
|
|
|
// If we got here, there was a parsing error. Set the
|
|
// position back to where it was before we messed with
|
|
// it. Then fall through to the next thing we might parse.
|
|
|
|
c = *lex.last_token;
|
|
lex.ptr = lex.last_token + 1;
|
|
} // headecimal numeric constants
|
|
|
|
if ((tok_class & CHR_DIGIT) ||
|
|
((c == '.') && (lex.ptr < lex.end) && (classes(*lex.ptr) & CHR_DIGIT)))
|
|
{
|
|
/* The following variables are used to recognize kinds of numbers. */
|
|
|
|
bool have_error = false; /* syntax error or value too large */
|
|
bool have_digit = false; /* we've seen a digit */
|
|
bool have_decimal = false; /* we've seen a '.' */
|
|
bool have_exp = false; /* digit ... [eE] */
|
|
bool have_exp_sign = false; /* digit ... [eE] {+-] */
|
|
bool have_exp_digit = false; /* digit ... [eE] ... digit */
|
|
FB_UINT64 number = 0;
|
|
FB_UINT64 limit_by_10 = MAX_SINT64 / 10;
|
|
|
|
for (--lex.ptr ; lex.ptr < lex.end ; lex.ptr++)
|
|
{
|
|
c = *lex.ptr;
|
|
if (have_exp_digit && (! (classes(c) & CHR_DIGIT)))
|
|
/* First non-digit after exponent and digit terminates
|
|
the token. */
|
|
break;
|
|
else if (have_exp_sign && (! (classes(c) & CHR_DIGIT)))
|
|
{
|
|
/* only digits can be accepted after "1E-" */
|
|
have_error = true;
|
|
break;
|
|
}
|
|
else if (have_exp)
|
|
{
|
|
/* We've seen e or E, but nothing beyond that. */
|
|
if ( ('-' == c) || ('+' == c) )
|
|
have_exp_sign = true;
|
|
else if ( classes(c) & CHR_DIGIT )
|
|
/* We have a digit: we haven't seen a sign yet,
|
|
but it's too late now. */
|
|
have_exp_digit = have_exp_sign = true;
|
|
else
|
|
{
|
|
/* end of the token */
|
|
have_error = true;
|
|
break;
|
|
}
|
|
}
|
|
else if ('.' == c)
|
|
{
|
|
if (!have_decimal)
|
|
have_decimal = true;
|
|
else
|
|
{
|
|
have_error = true;
|
|
break;
|
|
}
|
|
}
|
|
else if (classes(c) & CHR_DIGIT)
|
|
{
|
|
/* Before computing the next value, make sure there will be
|
|
no overflow. */
|
|
|
|
have_digit = true;
|
|
|
|
if (number >= limit_by_10)
|
|
{
|
|
/* possibility of an overflow */
|
|
if ((number > limit_by_10) || (c > '8'))
|
|
{
|
|
have_error = true;
|
|
break;
|
|
}
|
|
}
|
|
number = number * 10 + (c - '0');
|
|
}
|
|
else if ( (('E' == c) || ('e' == c)) && have_digit )
|
|
have_exp = true;
|
|
else
|
|
/* Unexpected character: this is the end of the number. */
|
|
break;
|
|
}
|
|
|
|
/* We're done scanning the characters: now return the right kind
|
|
of number token, if any fits the bill. */
|
|
|
|
if (!have_error)
|
|
{
|
|
fb_assert(have_digit);
|
|
|
|
if (have_exp_digit)
|
|
{
|
|
yylval = (dsql_nod*) MAKE_string(lex.last_token, lex.ptr - lex.last_token);
|
|
lex.last_token_bk = lex.last_token;
|
|
lex.line_start_bk = lex.line_start;
|
|
lex.lines_bk = lex.lines;
|
|
|
|
return FLOAT_NUMBER;
|
|
}
|
|
else if (!have_exp)
|
|
{
|
|
|
|
/* We should return some kind (scaled-) integer type
|
|
except perhaps in dialect 1. */
|
|
|
|
if (!have_decimal && (number <= MAX_SLONG))
|
|
{
|
|
yylval = (dsql_nod*) (IPTR) number;
|
|
//printf ("parse.y %p %d\n", yylval, number);
|
|
return NUMBER;
|
|
}
|
|
else
|
|
{
|
|
/* We have either a decimal point with no exponent
|
|
or a string of digits whose value exceeds MAX_SLONG:
|
|
the returned type depends on the client dialect,
|
|
so warn of the difference if the client dialect is
|
|
SQL_DIALECT_V6_TRANSITION.
|
|
*/
|
|
|
|
if (SQL_DIALECT_V6_TRANSITION == client_dialect)
|
|
{
|
|
/* Issue a warning about the ambiguity of the numeric
|
|
* numeric literal. There are multiple calls because
|
|
* the message text exceeds the 119-character limit
|
|
* of our message database.
|
|
*/
|
|
ERRD_post_warning( isc_dsql_warning_number_ambiguous,
|
|
isc_arg_string,
|
|
ERR_string( lex.last_token, lex.ptr - lex.last_token ),
|
|
isc_arg_end );
|
|
ERRD_post_warning( isc_dsql_warning_number_ambiguous1,
|
|
isc_arg_end );
|
|
}
|
|
|
|
yylval = (dsql_nod*) MAKE_string(lex.last_token, lex.ptr - lex.last_token);
|
|
|
|
lex.last_token_bk = lex.last_token;
|
|
lex.line_start_bk = lex.line_start;
|
|
lex.lines_bk = lex.lines;
|
|
|
|
if (client_dialect < SQL_DIALECT_V6_TRANSITION)
|
|
return FLOAT_NUMBER;
|
|
else if (have_decimal)
|
|
return SCALEDINT;
|
|
else
|
|
return NUMBER64BIT;
|
|
}
|
|
} /* else if (!have_exp) */
|
|
} /* if (!have_error) */
|
|
|
|
/* we got some kind of error or overflow, so don't recognize this
|
|
* as a number: just pass it through to the next part of the lexer.
|
|
*/
|
|
}
|
|
|
|
/* Restore the status quo ante, before we started our unsuccessful
|
|
attempt to recognize a number. */
|
|
lex.ptr = lex.last_token;
|
|
c = *lex.ptr++;
|
|
/* We never touched tok_class, so it doesn't need to be restored. */
|
|
|
|
/* end of number-recognition code */
|
|
|
|
|
|
if (tok_class & CHR_LETTER)
|
|
{
|
|
char* p = string;
|
|
check_copy_incr(p, UPPER (c), string);
|
|
for (; lex.ptr < lex.end && classes(*lex.ptr) & CHR_IDENT; lex.ptr++)
|
|
{
|
|
if (lex.ptr >= lex.end)
|
|
return -1;
|
|
check_copy_incr(p, UPPER (*lex.ptr), string);
|
|
}
|
|
|
|
check_bound(p, string);
|
|
*p = 0;
|
|
dsql_sym* sym =
|
|
HSHD_lookup (NULL, (TEXT *) string, (SSHORT)(p - string), SYM_keyword, parser_version);
|
|
if (sym && (sym->sym_keyword != COMMENT || lex.prev_keyword == -1))
|
|
{
|
|
yylval = (dsql_nod*) sym->sym_object;
|
|
lex.last_token_bk = lex.last_token;
|
|
lex.line_start_bk = lex.line_start;
|
|
lex.lines_bk = lex.lines;
|
|
return sym->sym_keyword;
|
|
}
|
|
yylval = (dsql_nod*) MAKE_string(string, p - string);
|
|
lex.last_token_bk = lex.last_token;
|
|
lex.line_start_bk = lex.line_start;
|
|
lex.lines_bk = lex.lines;
|
|
return SYMBOL;
|
|
}
|
|
|
|
/* Must be punctuation -- test for double character punctuation */
|
|
|
|
if (lex.last_token + 1 < lex.end)
|
|
{
|
|
dsql_sym* sym =
|
|
HSHD_lookup (NULL, lex.last_token, (SSHORT) 2, SYM_keyword, (USHORT) parser_version);
|
|
if (sym)
|
|
{
|
|
++lex.ptr;
|
|
return sym->sym_keyword;
|
|
}
|
|
}
|
|
|
|
/* Single character punctuation are simply passed on */
|
|
|
|
return (UCHAR) c;
|
|
}
|
|
|
|
|
|
void Parser::yyerror_detailed(const TEXT* error_string, int yychar, YYSTYPE&, YYPOSN&)
|
|
{
|
|
/**************************************
|
|
*
|
|
* y y e r r o r _ d e t a i l e d
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Print a syntax error.
|
|
*
|
|
**************************************/
|
|
const TEXT* line_start = lex.line_start;
|
|
SLONG lines = lex.lines;
|
|
if (lex.last_token < lex.line_start)
|
|
{
|
|
line_start = lex.line_start_bk;
|
|
lines--;
|
|
}
|
|
|
|
if (yychar < 1)
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
isc_arg_gds, isc_command_end_err2, /* Unexpected end of command */
|
|
isc_arg_number, lines,
|
|
isc_arg_number, (SLONG) (lex.last_token - line_start + 1),
|
|
0);
|
|
else
|
|
{
|
|
ERRD_post (isc_sqlerr, isc_arg_number, (SLONG) -104,
|
|
/* Token unknown - line %d, column %d */
|
|
isc_arg_gds, isc_dsql_token_unk_err,
|
|
isc_arg_number, (SLONG) lines,
|
|
isc_arg_number, (SLONG) (lex.last_token - line_start + 1), /*CVC: +1*/
|
|
/* Show the token */
|
|
isc_arg_gds, isc_random,
|
|
isc_arg_cstring, (int) (lex.ptr - lex.last_token), lex.last_token,
|
|
0);
|
|
}
|
|
}
|
|
|
|
|
|
// The argument passed to this function is ignored. Therefore, messages like
|
|
// "syntax error" and "yacc stack overflow" are never seen.
|
|
void Parser::yyerror(const TEXT* error_string)
|
|
{
|
|
YYSTYPE errt_value = 0;
|
|
YYPOSN errt_posn = -1;
|
|
yyerror_detailed(error_string, -1, errt_value, errt_posn);
|
|
}
|
|
|
|
|
|
static void yyabandon (SLONG sql_code,
|
|
ISC_STATUS error_symbol)
|
|
{
|
|
/**************************************
|
|
*
|
|
* y y a b a n d o n
|
|
*
|
|
**************************************
|
|
*
|
|
* Functional description
|
|
* Abandon the parsing outputting the supplied string
|
|
*
|
|
**************************************/
|
|
|
|
ERRD_post (isc_sqlerr, isc_arg_number, sql_code,
|
|
isc_arg_gds, error_symbol, 0);
|
|
}
|