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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.
267 lines
7.6 KiB
C
267 lines
7.6 KiB
C
/*
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* PROGRAM: JRD Access Method
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* MODULE: constants.h
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* DESCRIPTION: Misc system constants
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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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* 2001.10.08 Claudio Valderrama: fb_sysflag enum with numbering
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* for automatically created triggers that aren't system triggers.
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*/
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#ifndef JRD_CONSTANTS_H
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#define JRD_CONSTANTS_H
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/* BLOb Subtype definitions */
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/* Subtypes < 0 are user defined
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* Subtype 0 means "untyped"
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* Subtypes > 0 are Firebird defined
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*/
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// BRS 29-Apr-2004
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// replace those constants with public defined ones isc_blob_*
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//
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//const int BLOB_untyped = 0;
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//
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//const int BLOB_text = 1;
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//const int BLOB_blr = 2;
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//const int BLOB_acl = 3;
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//const int BLOB_ranges = 4;
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//const int BLOB_summary = 5;
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//const int BLOB_format = 6;
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//const int BLOB_tra = 7;
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//const int BLOB_extfile = 8;
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//const int BLOB_max_predefined_subtype = 9;
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//
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/* Column Limits */
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const ULONG MAX_COLUMN_SIZE = 32767; /* Bytes */
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/* Misc constant values */
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const unsigned int USERNAME_LENGTH = 31; /* Characters */
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const size_t MAX_SQL_IDENTIFIER_SIZE = 32;
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const size_t MAX_SQL_IDENTIFIER_LEN = MAX_SQL_IDENTIFIER_SIZE - 1;
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typedef TEXT SqlIdentifier[MAX_SQL_IDENTIFIER_SIZE];
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const char* const NULL_STRING_MARK = "*** null ***";
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const char* const UNKNOWN_STRING_MARK = "*** unknown ***";
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const char* const NULL_ROLE = "NONE";
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const char* const ADMIN_ROLE = "RDB$ADMIN";
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// This temporary set of flags is needed to implement minimum form of
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// ALTER ROLE RDB$ADMIN ADD/DROP SYSTEM_NAME "Domain Admins".
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// Value 1 is skipped because rdb$system_flag = 1 is used in all other cases.
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const SSHORT ROLE_FLAG_MAY_TRUST = 2;
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const SSHORT ROLE_FLAG_DBO = 4;
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const char* const PRIMARY_KEY = "PRIMARY KEY";
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const char* const FOREIGN_KEY = "FOREIGN KEY";
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const char* const UNIQUE_CNSTRT = "UNIQUE";
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const char* const CHECK_CNSTRT = "CHECK";
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const char* const NOT_NULL_CNSTRT = "NOT NULL";
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const char* const REL_SCOPE_PERSISTENT = "persistent table \"%s\"";
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const char* const REL_SCOPE_GTT_PRESERVE = "global temporary table \"%s\" of type ON COMMIT PRESERVE ROWS";
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const char* const REL_SCOPE_GTT_DELETE = "global temporary table \"%s\" of type ON COMMIT DELETE ROWS";
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/* literal strings in rdb$ref_constraints to be used to identify
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the cascade actions for referential constraints. Used
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by isql/show and isql/extract for now. */
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const char* const RI_ACTION_CASCADE = "CASCADE";
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const char* const RI_ACTION_NULL = "SET NULL";
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const char* const RI_ACTION_DEFAULT = "SET DEFAULT";
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const char* const RI_ACTION_NONE = "NO ACTION";
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const char* const RI_RESTRICT = "RESTRICT";
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// Automatically created domains for fields with direct data type.
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// Also, automatically created indices that are unique or non-unique, but not PK.
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const char* const IMPLICIT_DOMAIN_PREFIX = "RDB$";
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const int IMPLICIT_DOMAIN_PREFIX_LEN = 4;
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// Automatically created indices for PKs.
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const char* const IMPLICIT_PK_PREFIX = "RDB$PRIMARY";
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const int IMPLICIT_PK_PREFIX_LEN = 11;
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// Automatically created security classes for SQL objects.
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const char* const SQL_SECCLASS_PREFIX = "SQL$";
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const int SQL_SECCLASS_PREFIX_LEN = 4;
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// Automatically created check constraints for unnamed PRIMARY and UNIQUE declarations.
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const char* const IMPLICIT_INTEGRITY_PREFIX = "INTEG_";
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const int IMPLICIT_INTEGRITY_PREFIX_LEN = 6;
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/******************************************/
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/* System flag meaning - mainly Firebird. */
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/******************************************/
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enum fb_sysflag {
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fb_sysflag_user = 0,
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fb_sysflag_system = 1,
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fb_sysflag_qli = 2,
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fb_sysflag_check_constraint = 3,
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fb_sysflag_referential_constraint = 4,
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fb_sysflag_view_check = 5
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};
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/* UDF Arguments are numbered from 0 to MAX_UDF_ARGUMENTS --
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argument 0 is reserved for the return-type of the UDF */
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const int MAX_UDF_ARGUMENTS = 10;
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// Maximum length of single line returned from pretty printer
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const int PRETTY_BUFFER_SIZE = 1024;
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const int MAX_INDEX_SEGMENTS = 16;
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// Maximum index key length
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// AB: If the maximum key-size will change, don't forget dyn.h and dba.epp
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// which cannot use these defines.
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const ULONG MAX_KEY = 4096; // Maximum page size possible divide by 4 (16384 / 4)
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const int MAX_KEY_PRE_ODS11 = 255; // Max key-size before ODS11
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const USHORT SQL_MATCH_1_CHAR = '_'; /* Not translatable */
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const USHORT SQL_MATCH_ANY_CHARS = '%'; /* Not translatable */
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const size_t MAX_CONTEXT_VARS = 1000; // Maximum number of context variables allowed for a single object
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// Time precision limits and defaults for TIME/TIMESTAMP values.
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// Currently they're applied to CURRENT_TIME[STAMP] expressions only.
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// Should be more than 6 as per SQL spec, but we don't support more than 3 yet
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const size_t MAX_TIME_PRECISION = 3;
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// Consistent with the SQL spec
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const size_t DEFAULT_TIME_PRECISION = 0;
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// Should be 6 as per SQL spec
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const size_t DEFAULT_TIMESTAMP_PRECISION = 3;
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const size_t MAX_ARRAY_DIMENSIONS = 16;
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const size_t MAX_SORT_ITEMS = 255; // ORDER BY f1,...,f255
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const int MAX_TABLE_VERSIONS = 255; // maybe this should be in ods.h.
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const size_t MAX_DB_PER_TRANS = 256; // A multi-db txn can span up to 256 dbs
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// relation types
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enum rel_t {
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rel_persistent = 0,
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rel_view = 1,
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rel_external = 2,
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rel_virtual = 3,
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rel_global_temp_preserve = 4,
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rel_global_temp_delete = 5
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};
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// procedure types
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enum prc_t {
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prc_legacy = 0,
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prc_selectable = 1,
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prc_executable = 2
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};
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// procedure parameter mechanism
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enum prm_mech_t {
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prm_mech_normal = 0,
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prm_mech_type_of = 1
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};
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// states
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enum mon_state_t {
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mon_state_idle = 0,
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mon_state_active = 1
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};
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// shutdown modes
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enum shut_mode_t {
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shut_mode_online = 0,
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shut_mode_multi = 1,
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shut_mode_single = 2,
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shut_mode_full = 3
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};
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// backup states
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enum backup_state_t {
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backup_state_normal = 0,
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backup_state_stalled = 1,
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backup_state_merge = 2
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};
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// transaction isolation levels
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enum tra_iso_mode_t {
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iso_mode_consistency = 0,
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iso_mode_concurrency = 1,
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iso_mode_rc_version = 2,
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iso_mode_rc_no_version = 3
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};
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// statistics groups
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enum stat_group_t {
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stat_database = 0,
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stat_attachment = 1,
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stat_transaction = 2,
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stat_statement = 3,
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stat_call = 4
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};
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const int TRIGGER_TYPE_SHIFT = 13;
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const int TRIGGER_TYPE_MASK = (0x3 << TRIGGER_TYPE_SHIFT);
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const int TRIGGER_TYPE_DML = (0 << TRIGGER_TYPE_SHIFT);
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const int TRIGGER_TYPE_DB = (1 << TRIGGER_TYPE_SHIFT);
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//const int TRIGGER_TYPE_DDL = (2 << TRIGGER_TYPE_SHIFT);
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const int DB_TRIGGER_CONNECT = 0;
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const int DB_TRIGGER_DISCONNECT = 1;
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const int DB_TRIGGER_TRANS_START = 2;
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const int DB_TRIGGER_TRANS_COMMIT = 3;
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const int DB_TRIGGER_TRANS_ROLLBACK = 4;
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const int DB_TRIGGER_MAX = 5;
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// that's how database trigger action types are encoded
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// (TRIGGER_TYPE_DB | type)
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// switches for username and password used when an username and/or password
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// is specified by the client application
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#define USERNAME_SWITCH "USER"
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#define PASSWORD_SWITCH "PASSWORD"
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#ifdef SERVICE_THREAD
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#define SERVICE_THD_PARAM "-svc_thd"
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#else
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#define SERVICE_THD_PARAM "-svc"
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#endif
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#define TRUSTED_USER_SWITCH "TRUSTED_SVC"
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#define TRUSTED_ROLE_SWITCH "TRUSTED_ROLE"
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#endif // JRD_CONSTANTS_H
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