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firebird-mirror/doc/WhatsNew
dimitr 10872d296c Updated docs.
2005-10-12 05:57:29 +00:00

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**************
* v2.0 Beta 1
**************
* Fixed SF bug #217042
IB doesn't validate weird constructions
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Alpha 3 bug
Deletes perform slower than in v1.5
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #1292007
INSERT and UPDATE allow duplicate field name
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Alpha 3 bug (SF #1305110)
FB 2.0 clash between UDF and internal LOWER function
Note(s):
UDF lower is now declared as "LOWER" in ib_udf2.sql
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed SF bug #223128
SYSDBA can grant non existent roles
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 3 bug
Broken GSEC compatibility (-database switch)
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Alpha 3 bug
Bugcheck or wrong result caused by the FETCH statement
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Server crashes when too big key is specified for an index retrieval
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 3 bug
ISQL doesn't extract default values for stored procedure parameters
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
SQL string is stored truncated within the RDB$*_SOURCE columns in some cases
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 3 bug
Index is rebuilt while being described via the COMMENT ON INDEX statement
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Alpha 3 bug
SEGV when legacy isc_interprete() is called
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Alpha 3 bug
Server crashes on some DDL operations performed on not yet committed tables
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Installation enhancement
Added optional switch -i[interactive] to instsvc.exe to allow interactive mode
for LocalSystem services
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Broken implementation of the MATCHES predicate in GDML
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 3 bug
Issue of SQLVAR.sqllen from non-system MBCS fields
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
GBAK cannot restore a database containing broken foreign keys
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* SQL enhancement
Allowed value expressions to be returned via the RETURNING clause
See also:
/doc/sql.extentions/README.returning.txt
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 3 bug
Implict NOT NULL (in PRIMARY KEY constraint) is generated with the same
constraint name of the PK
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bugs
1) Unpredictable behaviour of gds__log() on POSIX in signal handlers
2) Signal safety issues in SuperServer shutdown
3) Buffer overrruns in physical I/O functions
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* SQL enhancement
CURRENT_TIME and CURRENT_TIMESTAMP now optionally allow seconds precision
See also:
/doc/sql.extentions/README.current_time.txt
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 3 bug
Not enough process permissions caused rejecting of XNET connections
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Security enhancement
1) Always require login/password for remote clients
2) Temporary disable logins for clients, making too many wrong attempts to login
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
Comparisons between strings in NONE and other charset caused an error
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
Incorrect UDF access checking
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 3 bug (SF #1249187)
String literals dest. for large CHAR fields truncated
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed Alpha 3 bug (SF #1256675)
Create foreign constraint without PK sometimes fails
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Alpha 3 bug
WHEN EXCEPTION <name> handler doesn't work
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
Dmitry Yemanov <yemanov at yandex.ru>
* DDL enhancement
SET/DROP DEFAULT clauses are now available for ALTER DOMAIN and ALTER TABLE statements
See also:
/doc/sql.extentions/README.ddl.txt
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Improved Services API
Services are now executed as threads rather than processes on some threadable CS builds
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bugs
1) '1.5' / '0.5' doesn't work in Dialect 1
2) avg ('1.5') doesn't work in Dialect 1
3) 5 * '1.5' produces INT result instead of DOUBLE PRECISION in Dialect 1
4) sum ('1.5') produces NUMERIC(15, 2) result instead of DOUBLE PRECISION in Dialect 1
5) - '1.5' doesn't work in Dialect 1
6) '1.5' * '0.5' and '1.5' / '0.5' are not forbidden in Dialect 3
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #1250150
Can't drop procedure
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Alpha 3 bug
Expression index dependencies aren't tracked correctly
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug SF #1238104
Incorrect sweep internal report
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Added UDF function
IB_UDF_srand is now available in the IB_UDF library
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Added new collation
BS_BA for WIN1250 charset (Bosnian language)
Contributor(s):
Fikret Hasovic <fikreth at bihtamp.net>
* Fixed Alpha 3 bugs
1) "WITH CHECK OPTION" bug
2) Issue with unreleased contexts in derived tables
3) Outer references to higher scope-levels are rejected in derived tables
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Alpha 3 bugs
1) NEXT VALUE FOR bug for dialect 3 (32bit impementation was used)
2) Issue with GEN_ID(<value>, NULL)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 3 bug
Foreign-key checks failed due to the new INTL changes
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Alpha 3 bug (SF #1289925)
isc_array_lookup_bounds bug
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 3 bugs
1) Issues with NEW/OLD contexts and derived tables
2) Issues with the IN predicate
3) Invalid parsing of PLANs inside views
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed bug SF #1244126
Update text BLOBs when connected with NONE charset
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug SF #1242106
1) Incorrect commit instead of rollback during shutdown
2) Crash or bugcheck during SuperServer shutdown with active attachments
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug SF #1242982
Bug in compound index key mangling
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed unregistered bug
Crash occured in service gfix code when it tried to reattach to currently
unavailable database. Since service can't interact with end user an endless
loop leads to overflow service buffer and crash as result.
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Alpha 3 bug (SF #1242106)
In-Limbo transaction Services API broken
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug SF #1242379
Collation changes VARCHAR's length
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Added ROLLBACK RETAIN syntax support
ROLLBACK RETAIN statement is now supported in DSQL
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bugs
1) Do not overwrite destination during NBACKUP restore
2) Fixed cases of corrupted backups created by NBACKUP
3) Fixed some memory/handle leaks
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed Alpha 3 bug
Threading issues in DSQL causing errors at prepare
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
**************
* v2.0 Alpha 3
**************
* DDL improvement
Allow to create foreign key constraints without need to get exclusive lock
on whole database
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
Fix 'partner index not found' error when one classic process
dropped FK and another process trying to delete master record
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* ISQL improvement
Make SQLDA_DISPLAY display input SQLDA parameters of INSERTs, UPDATEs and DELETEs
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
Server crashed when PLAN for VIEW is specified but no table alias was given
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Alpha 2 bug (SF #1184591)
Invalid ROW_COUNT variable value after DELETE
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bugs
1) redundant attempts to get an exclusive database lock during shutdown
2) inaccurate timeout counting
3) database lock is not released after bringing database online in the exclusive mode
4) removed a 5 sec timeout when bringing database online in the shared mode
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug SF #1016040
Missing external libraries causes engine exception
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* DML enhancement
Implemented RETURNING clause for the INSERT statement
See also:
/doc/sql.extentions/README.returning
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug SF #1186607
Foreign key relation VARCHAR <-> INT
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug SF #1211325
BLOBs in external tables
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* New charsets/collations
1) KOI8-R (Russian language) and KOI8-U (Ukrainian language) charsets and dictionary collations
2) WIN1257_LV (Latvian), WIN1257_LT (Lithuanian), WIN1257_EE (Estonian) collations
Contributor(s):
Oleg Loa <loa at mail.ru>
Aleksey Karyakin <karyakin at cmpmail.com>
* Parser improvement
Try report the line/column of an incomplete statement.
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bugs
1) Charset/collation issues for expression-based view columns
2) Lost charset/collation for local PSQL variables
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 2 bug (SF #1171256)
Local Protocol (XNET) isn't using aliases
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Database alises didn't work in WNET
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug SF #1211354
Redundant evaluations in COALESCE
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed unregistered bug
Client crashed while disconnecting with active event listener
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #1208932
SHOW GRANT does not distinguish object types
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Optimizer improvement
Use more realistic cost value for unique retrieval
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed SF bug #494981
Bad exception report
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* DDL enhancement
Implemented ALTER EXTERNAL FUNCTION to change the entry_point or the module_name when the UDF cannot be dropped due to existing dependecies
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Alpha 2 bugs
1) bug with selectivity of non-equality comparisons
2) changed the invertions selection code to help in both MERGE and JOIN paths
3) implemented metadata extract for expression indices
4) the threading issues in fbembed
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* DDL enhancement
Implemented the COMMENT statement to set the metadata descriptions
See also:
/doc/sql.extentions/README.ddl.txt
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed bug SF #908319
1.5 wrong err msg using gbak with service_mgr
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
A few internal buffer overflows are fixed
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
After an attempt to "create view v(c1) as select 1 from v" all clones of system request remained active forever
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Alpha 2 bug
Server crashed in incorrect written EXECUTE BLOCK statement
Example(s):
EXECUTE BLOCK AS BEGIN
INSERT INTO DUMMY (ID) VALUES(?);
END
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
ISQL_disconnect_database overwriting the Quiet flag permanently
Contributor(s):
Miroslav Penchev <miroslav.penchev at bsc.bg>
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
Server crashed during the table metadata scan in some cases
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Error "index key too big" when creating a descending index
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed SF bug #1191006
Using where params in SUM return incorrect results
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Alpha 2 bug
Problem with distributing sort to deeper RSE
Example(s):
SELECT RDB$RELATION_NAME FROM (SELECT FIRST 10 * FROM RDB$RELATIONS ORDER BY RDB$RELATION_NAME DESC) ORDER BY RDB$RELATION_NAME
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed SF bug #1122344
gbak -kill option drops existing shadow
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #750662
Multiple declaration of blob filters
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Parser improvement
UNIONs are allowed in ANY/ALL/IN subqueries
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #743679
FIRST / SKIP not well implemented
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Optimizer improvement
NOT conditions are simplified and optimized via index when possible
Example(s):
(NOT NOT A = 0) -> (A = 0)
(NOT A > 0) -> (A <= 0)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #450404
ISQL uppercases role in the command line
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
100% CPU load when an I/O error causes a rollover to non-existing shadow
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 2 bug (SF #1173988)
Minor glitches in GBAK output
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
Fix for the -b (Bail On Error) option when SQL commands are issued and no db connection exists yet.
Apply Miroslav Penchev's patch for bug with -Q always returning 1 to the operating system, discovered by Ivan Prenosil.
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* New INTL interface
A new interface allowing the following enhancements and features
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* INTL enhancements
1) Well-formedness checks of string constants and parameters
2) Uppercase and lowercase all possible (and not only ASCII) characters in default collation orders
3) Check length of characters (and not bytes) for new MBCS (including UTF8)
4) Inform original character set in sqlsubtype of XSQLVAR when connecting with NONE
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* BLOB enhancements
1) Allow usage of collations
2) Perform comparison using entire content
3) Convert between character sets when assigning from string or BLOB
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Unicode 4.0 support
UTF8 character set with collations UCS_BASIC and UNICODE
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Brazilian collations
1) Collation PT_BR for ISO8859_1 and WIN1252 character sets
2) Collation WIN_PTBR for WIN1252 character set
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
Paulo Henrique Albanez <lista at pha.com.br>
* New string functions
LOWER, BIT_LENGTH, CHAR_LENGTH/CHARACTER_LENGTH, OCTET_LENGTH, TRIM.
See also:
/doc/sql.extentions/README.length
/doc/sql.extentions/README.trim
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* INTL plugins
Character sets and collations are installed using a manifest file. Server write to the log when conflicts exist.
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF #1073212
Order by big columns (collate) terminates server
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF #939844
Queries > 263 chars with UNICODE DB throws GDS Exception
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF #977785
Wrong character lengths MBCS (UTF-8, East-Asian charsets)
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF #536243
UNICODE_FSS charset and UPPER function
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF #942726
UPPER does not convert aacute to Aacute for ISO8859_1
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF #544630
Problems when connecting using UNICODE
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF #540547
Concatenation, numeric fields & charset
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
Query produce different result depending on index presence when the last character of the string is the first character of a compression pair
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
SUBSTRING and multi-byte BLOB don't work correctly
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
Pattern matching with multi-byte BLOB is performed in binary mode
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
It's not safe to connect with MBCS if database has columns using different character set
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
**************
* v2.0 Alpha 2
**************
* Fixed bug (SF #1016969)
Unknown datatype for parameters in result of searched CASE expression
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Alpha 1 bug (SF #1188734)
WHERE CURRENT OF doesn't work
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 1 bug (SF #1168898)
Domain with check containing select
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Alpha 1 bug
Bug with VALUE keyword in check constraint and bug with VALUE keyword where VALUE represents a column
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Alpha 1 bug
Bug with ORDER BY and DISTINCT on OUTER JOIN
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Alpha 1 bug
Select-list alias hides an expression datatype
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Alpha 1 bug
Server crashed when SUBSTRING is used in the expression index
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
Dmitry Yemanov <yemanov at yandex.ru>
* Optimizer improvements
Better choice of streams order in joins and better index usage in general
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 1 bugs
1) Bad optimization for tables with zero selectivities
2) Wrong choice of index in the case of the same selectivity and number of indices
3) Wrong total selectivity calculated for compound non-equality comparisons
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
Arno Brinkman <firebird at abvisie.nl>
* Fixed unregistered bug
Database corruption when row is deleted in a BEFORE UPDATE trigger
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 1 bug
Server crashed during validation of broken ODS11 indices
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Computed column of blob/array type zeroes the first column of the table being restored
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug SF #1155520
Any user can replace databases created by others
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Shutdown ability
Posix SS builds now handle SIGTERM and SIGINT to shutdown all connections gracefully
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
GBAK stalled when it's used via the service manager and invalid command line is passed
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Added new GBAK switch -RECREATE_DATABASE [OVERWRITE]
Simple RECREATE_DATABASE is equal to CREATE_DATABASE, RECREATE_DATABASE OVERWRITE is equal to REPLACE_DATABASE
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Changed default value for TcpNoNagle config option
TCP_NODELAY socket option is now set by default
Contributor(s):
Konstantin Kuznetsov <kkuznetsov at users.sourceforge.net>
* Fixed Alpha 1 bug (SF #1173948)
Prompt is shown when using -i switch
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed v1.5.0 bug
Server locked up after unsuccessful attach to security.fdb
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
Privileges granted to procedures/triggers/views are preserved after dropping the object
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
EXECUTE PROCEDURE doesn't check SQL permissions at the prepare stage
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* NEW context changes
Reject any assignment to the NEW trigger context (make it read-only) in AFTER triggers
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 1 bug
Expression index cannot be used for navigation
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Implemented RECREATE EXCEPTION and CREATE OR ALTER EXCEPTION statements (SF #1167973)
Allow either creating, recreating or altering an exception, depending in its existance
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Bug in AddMonth() UDF when facing January
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
System transaction is reported as dead
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Alpha 1 bug (SF #1169884)
Navigation vs IS NULL vs compound index
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Alpha 1 bug (SF #1169730)
Database corruption caused by the new GC code
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Alpha 1 bug (SF #1169728)
FIRST 1 vs ORDER DESC vs explicit plan (ODS11)
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Alpha 1 bug (SF #1169723)
Database that will not restore using FB 2.0 Alpha1
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 1 bug (SF #1169708)
Select from selectable SP takes MUCH more time than before
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 1 bug (SF #1169707)
Database corruption - page 0 expected type 5, found 1
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
A number of buffer overflows
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Alpha 1 bug (SF #1168910)
ISQL stops when meet any chars in comment
Contributor(s):
Dimitry Sibiryakov <sd at topol.udm.net>
* Fixed unregistered bug
Server crashed due to plan buffer overflows
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 1 bug
Lost sort node that caused unordered data to be returned
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
SQL role wasn't properly parsed by the engine
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Alpha 1 bug
Broken loopback connections via XNET.
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 1 bug
Server crashed during SQL optimization
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* A number of ISQL changes
1) Stop possible crash with long terminators
2) Make SET SQLDA_DISPLAY work in release versions
3) Avoid several SQL> prompts when using the INPUT command interactively
4) Stop some memory leaks
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Alpha 1 bug
"gbak -se" (backup/restore via the service manager) didn't work
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
**************
* v2.0 Alpha 1
**************
* Fixed bug SF #1124720
Problem with "FOR EXECUTE STATEMENT ... DO SUSPEND;"
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Compatibility related change
New security.fdb is renamed to security2.fdb
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Optimizer improvements
1) Usage of segment-level selectivities
2) Better support for IS NULL
3) Better support for STARTING WITH
4) Matching both OR and AND nodes to indices
5) Better cost estimations and hence better join orders
6) Allowed indexed order (navigational walk) for outer joins
Note(s):
Available in ODS 11.0 only
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Improved GROUP BY and ORDER BY clauses
Allowed column aliases in both these clauses
Example(s):
SELECT RDB$RELATION_ID AS ID
FROM RDB$RELATIONS
ORDER BY ID
SELECT RDB$RELATION_NAME AS ID, COUNT(*)
FROM RDB$RELATION_FIELDS
GROUP BY ID
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Improved ORDER BY clause
Allowed ordinals to work on a select list which contain an asterisk
Example(s):
SELECT *
FROM RDB$RELATIONS
ORDER BY 9
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed bug SF #1076858
Possible corruption in classic server
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Changed view updates logic
Apply NOT NULL constraints to base tables only, ignoring the ones inherited by view columns from domain definitions
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug SF #1116809
Incorrect data type conversion
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug SF #1111570
Drop table having check that references more than one column
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
Possible server lockup/crash when 'RELEASE SAVEPOINT xxx ONLY' syntax is used or when existing savepoint name is reused in transaction context
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Improved configuration
Allow the first path of ExternalFilesAccess to be used as default when external file is to be created
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug SF #1108909
View can be created w/o rights on table name like "a b"
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Partially fixed bug SF #217042
IB doesn't validate weird constructions
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Extended isc_dsql_sql_info() API call
Allows to retrieve relation aliases, if required
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Usage of an invalid index in an explicit plan causes garbage to be shown in the error message instead of the rejected index name
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
Rare client crashes caused by improperly cleaned XDR packets
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bugs SF #504978, #527677, #1103666, #1103670, #1103683, #1103740
1) GPRE variable names being truncated
2) "ANSI85 compatible COBOL" switch broken
3) GPRE uses inconsistent lengths
4) GPRE invalidates a quoted cursor name after it's opened
5) GPRE doesn't check the length of the db alias
6) GPRE doesn't detect duplicate quoted cursors names
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed bug SF #512975
Embed spaces and CR+LF before DEFAULT
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
Server crash during SuperServer shutdown
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Cleanup
Command line switch L for SuperServer is no longer recognized as the old local protocol was deleted
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Security improvement
Another layout of security.fdb
Also, security.fdb has been renamed to security2.fdb
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
Column-level privileges are preserved after this column is dropped
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Memory leak when selectable stored procedures are called from PSQL or in subqueries
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Index improvements
Don't check uniqueness for null keys
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* SQL improvements
1) Introduced SEQUENCE as a synonym for GENERATOR (as per SQL-99)
2) Added SQL-99 compliant NEXT VALUE FOR <sequence_name> expression
3) Implemented REVOKE ADMIN OPTION FROM statement
See also:
/doc/sql.extentions/README.sequence_generators
/doc/sql.extentions/README.ddl.txt
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Backup issues with stream BLOBs
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed unregistered bug
Diagnostics about missing/unusable UDF module
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Optimizer improvements
1) Distribute HAVING clause conjunctions to the WHERE clause when possible
2) Distribute UNION conjunctions to the inner streams when possible
3) Improved cross join and merge/sort handling
4) Better optimization of mixed AND/OR predicates
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
Dmitry Yemanov <yemanov at yandex.ru>
* SQL improvement
Supported UDFs to be called as procedures (i.e. ignoring their output) in PSQL
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* ISQL improvement:
Command line switch -b to bail out on error when used in non-interactive mode.
Also, return an error code to the operating system.
See also:
/doc/README.isql_enhancements.txt
Contributor(s):
Damyan Ivanov <divanov at creditreform.bg>
Claudio Valderrama <cvalde at usa.net>
* Context variables
Added support for context variables via RDB$GET_CONTEXT and RDB$SET_CONTEXT system functions
See also:
/doc/sql.extentions/README.context_variables2
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed bug SF #1065511
XP SP2 slow to connect to Linux server
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed bugs SF #459059 and #543106
1) index breaks = ANY result
2) bug with ALL keyword
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* ODS change
Enlarged exception messages from 78 to 1021 bytes
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug SF #1057538
UDF output parameter not being the last crashes the server
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
System users "AUTHENTICATOR" and "SWEEPER" were lost, causing "SQL SERVER" to be reported instead
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Configuration change
Added new parameter LegacyHash to firebird.conf
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Security improvements
1) New (more secure) password hash calculation algorithm
2) Ability for users to modify their own passwords
3) Rejected any remote (non-embedded) access to security.fdb
4) Use Services API in GSEC
5) Protect from attempts to brute-force accounts/passwords
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Configuration change
Added new parameter GCPolicy to firebird.conf
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Garbage collection improvements
New GC thread implementation and combined cooperative + background activity
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
Some cases where ambiguous queries were still possible
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* ODS change
Added RDB$DESCRIPTION to RDB$GENERATORS
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* CURRENT_TIMESTAMP and 'NOW' improvements
Return milliseconds when a current timestamp is asked for
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* SQL improvement
Allowed PLAN, ROWS and ORDER BY clauses in UPDATE/DELETE statements
See also:
/doc/sql.extentions/README.select_expressions
Contributor(s):
Oleg Loa <loa at mail.ru>
* 64-bit builds
A number of changes (including ODS support) to support Firebird on 64-bit platforms
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* SQL improvement
Added an equivalence predicate which behaves exactly as equality/inequality, but treats NULL = NULL as TRUE
Syntax:
A IS [NOT] DISTINCT FROM B
See also:
/doc/sql.extentions/README.distinct
Contributor(s):
Oleg Loa <loa at mail.ru>
Dmitry Yemanov <yemanov at yandex.ru>
* SQL improvements
1) Allowed FIRST/SKIP/ROWS/PLAN and ORDER BY clauses in views
2) Added CROSS JOIN (A CROSS JOIN B means something like A INNER JOIN B ON 1 = 1 or just FROM A, B)
3) Allowed UNION in subqueries and INSERT statement
See also:
/doc/sql.extentions/README.select_expressions
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* New transaction option
Added lock timeouts for WAIT transactions (see new TPB value isc_tpb_lock_timeout)
Contributor(s):
Aleksey Karyakin <karyakin at cmpmail.com>
Dmitry Yemanov <yemanov at yandex.ru>
* WNET protocol changes
WNET (aka NetBEUI) protocol no longer performs client impersonation
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Introduced 40-bit (64-bit internally) record numbers to avoid ~30GB table size limit
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Buffer cache improvements
1) Much faster algorithms to process the dirty pages tree
2) Increased maximum page cache size to 128K pages (2GB for 16K page size)
Contributor(s):
Oleg Loa <loa at mail.ru>
Dmitry Yemanov <yemanov at yandex.ru>
* Security improvements
Fixed a number of known vulnerabilities in API
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
Don't rollback prepared 2PC sub-transaction
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Server log improvement
Add filename and line number to BUGCHECK log messages
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* GSEC improvement
Now GSEC returns the error code when used as a non-interactive utility
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
Server crash with DECLARE FILTER
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* SQL extention
Allowed UNION DISTINCT as a synonym for simple UNION (as per SQL-99 spec)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug SF #571026
INET/INET_connect: gethostbyname
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug SF #223058
Multi-hop server ability broken
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Optimizer improvement
Let's choose a reasonable join order for intermixed inner and outer joins
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Configuration change
Added new parameter UsePriorityScheduler to firebird.conf
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* ISQL improvement
ODS version is now shown as a part of SHOW DATABASE command
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Minor BLOB improvement
Introduced BLOB SUB_TYPE BINARY as a synonym for SUB_TYPE 0
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* ODS change
Introduced a concept of ODS type to be able to distinguish between InterBase databases, Firebird databases, databases created by debug builds of Firebird and private forks
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* UDF improvement
Ability to signal SQL NULL via a NULL pointer
See also:
/doc/sql.extentions/README.ddl.txt
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Expression indices
Implemented indices based on arbitrary expressions
Syntax:
CREATE [UNIQUE] [ASC[ENDING] | DESC[ENDING]] INDEX <index_name> ON <table_name> ( <value_expression> )
See also:
/doc/sql.extentions/README.expression_indices
Contributor(s):
Oleg Loa <loa at mail.ru>
Aleksey Karyakin <karyakin at cmpmail.com>
Dmitry Yemanov <yemanov at yandex.ru>
* IIF builtin function
Added IIF (<search_condition>, <value1>, <value2>) as a shortcut for CASE WHEN <search_condition> THEN <value1> ELSE <value2> END
See also:
/doc/sql.extentions/README.iif
Contributor(s):
Oleg Loa <loa at mail.ru>
* Fixed unregistered bug
A number of possible server crashes, as reported by Valgrind
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* IN/OR improvements
Constant IN predicate or multiple OR booleans are now evaluated faster
Contributor(s):
Oleg Loa <loa at mail.ru>
* NULL becomes a syntactical value
You may now specify A = NULL, B > NULL, etc (all of them evaluate to FALSE)
See also:
/doc/sql.extentions/README.null_value
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Concatenation overflow
A compile-time check has been dropped in favour of the runtime one
Contributor(s):
Oleg Loa <loa at mail.ru>
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Issues with dates below Julian date stored in indices
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* PSQL stack trace
Added ability to report a PSQL stack trace when exception occurs
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* OLD context changes
Reject any assignment to the OLD trigger context (e.g. make it read-only)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Index scan imporvement
NULLs are ignored during the index scan (when it makes sense)
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed bug SF #735720
SELECT ... STARTING WITH :v is wrong when :v = ''
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed unregistered bug
Crash when changing data type for field and specify wrong type or domain name
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* ODS change
Added RDB$DESCRIPTION and RDB$SYSTEM_FLAG to RDB$ROLES
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed some BLOB issues
1) Outrageous memory consumption when blobs are converted from strings during request processing
2) Materialization doesn't cause invalidation of BLOB IDs too early
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed unregistered bug
Problems with UDF argument mapping to parameters
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed unregistered bug
Server crash due to incorrect accounting of attachment pointers used inside the lock structure
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Improved ISQL
1) Fixed bug SF #223126 - Misplaced collation when extracting metadadata with ISQL
2) Fixed bug SF #223513 - Ambiguity between tables and views
3) Fixed bug SF #518349 - ISQL show mangles relationship
Contributor(s):
Blas Rodriguez Somoza <blas at puertareal.com>
* Fixed bug SF #910423
ALTER TABLE altering to VARCHAR
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Improved ISQL
1) Fixed bug SF #910430 - ISQL and database dialect
2) Add SET HEADING ON/OFF option
3) Add -M2 command-line option to send output of statistics and plans to the same file than the rest of the output
See also:
/doc/README.isql_enhancements.txt
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
Rounding problems in date/time arithmetics
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed unregistered bug
Wrong counting of line numbers in DSQL parser when multi-line literals and identifiers are used
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed v1.5 bug
Random crash on restore
Contributor(s):
Jim Starkey <jas at netfrastructure.com>
* Fixed unregistered bug
Crash/lock-up with multiple calls of isc_dsql_prepare for a single statement (like IBO does)
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed unregistered bug
Server crash when too big/small system year is set up
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* User-defined plans improvements
1) Propagate plan fragments to nested levels of joins, thus allowing to manually optimize complex outer joins
2) Check the user-supplied plan for correctness in outer joins
3) Added short-circuit optimization for user-supplied plans
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Server crash when the stream number exceeds the limit
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug.
Memory leak in EXECUTE STATEMENT
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
UDF arguments are being prepared/optimized twice
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Index structure improvements
More effective compressing
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* New database shutdown modes are introduced
Single-user and full shutdown modes are implemented
See also:
/doc/README.shutdown_modes.txt
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed unregistered bug
Memory leak during conversion from string to blob
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* C/C++ client interface version added
FB_API_VER defined to 20 for Firebird 2.0 in ibase.h
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Implemented EXECUTE BLOCK statement
It is now possible to use dynamic PSQL with this statement
See also:
/doc/sql.extentions/README.execute_block
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Implemented support for default parameters for stored procedures
See also:
/doc/sql.extentions/README.default_parameters
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* DSQL parser changed
It now always detects table aliases ambiguity and abandoned support for implicit double table aliases
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed unregistered bug
Problems with interdependent views during restore process
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed SF #750664
Issues with read-only databases and transactions
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed unregistered bug
Fixed memory leak from connection pool in isc_database_info
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Per-segment index selectivity maintenance
Per-segment selectivity information is now available to the optimizer opening possibilities for more clever access path decisions
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
Arno Brinkman <firebird at abvisie.nl>
* Fixed/re-worked invariant tracking in PSQL and request cloning logic
This fixes numerous issues with recursive procedures, for example SF #627057
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Re-worked logic of updatable views
This solves problems with views that are implicitly updatable, but still have update triggers
See also:
/doc/sql.extentions/README.view_updates
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Added SQL200X ROWS clause
New syntax to limit amount of records you want to get
See also:
/doc/sql.extentions/README.rows
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF #781610
Problems with -- comments in ISQL
Contributor(s):
John Bellardo <bellardo at cs.ucsd.edu>
Blas Rodriguez Somoza <blas at puertareal.com>
* Support for explicit cursor syntax in PSQL
It is now possible to declare and use multiple cursors in PSQL
See also:
/doc/sql.extentions/README.cursors
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* LIKE/CONTAINING/STARTING WITH functions re-worked
1) functions now work with BLOBs correctly
2) use single-pass Knuth-Morris-Pratt algorithm for pattern matching
3) fix crash when NULL is used as ESCAPE character for LIKE
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed unregistered bug
Fixed server crash with explicit plans used in subqueries, when outer aggregation is performed.
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Nulls ordering is changed to be SQL200X-compliant (SF #225218)
Implemented nulls placement behavior is MSSQL-like, works on ODS11 databases only since it requires new indices for operation.
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Enable support for databases on raw devices
You can now use raw devices to store database. Especially usable with database aliases
Contributor(s):
Erik Kunze <erik.kunze at philosys.de>
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* New indices code
Very fast, nicely tolerates large amount of duplicates, limit of 256 bytes key length removed
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Internal logging enhanced
1) Implemented thread- and signal- safe debug logging facilities
2) Updated routines that print out various internal structures (DSQL node tree, BLR, DYN, etc)
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Improved PLAN clause
Allowed to specify more possible paths for the engine
Example:
PLAN (A ORDER IDX1 INDEX (IDX2, IDX3))
See also:
/doc/sql.extentions/README.plan
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Further optimizer improvements
1) MERGE PLAN may now be generated for joins using equality comparsion on expressions
2) Better logic regarding unique indices handling
3) Improved logic for OR expressions
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* New local protocol
XNET is now used as local protocol for Windows and is supported in CS builds
See also:
/doc/README.xnet
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Services API are fully ported to Classic architecture
All Services API are supported on Linux and Windows CS
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* SUBSTRING enhanced
SUBSTRING built-in function now supports arbitrary expressions in parameters
Contributor(s):
Oleg Loa <loa at mail.ru>
Dmitry Yemanov <yemanov at yandex.ru>
* Added LEAVE <label> syntax support
PSQL loops now may be marked with labels and terminated in Java style
See also:
/doc/sql.extentions/README.leave_labels
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Improved ROW_COUNT
Now it's possible to get number of selected rows as well
See also:
/doc/sql.extentions/README.context_variables
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fix SF #750659
Generators values were resisting metadata-only backup
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fix SF #544132, #728839
Problems with nulls handling in UDFs
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fix SF #784121
Problems with some expressions in outer join conditions
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Slightly reworked synchronization logic
1) Significantly reduce thread lock contention in lock manager and in SuperServer thread pool manager
2) Fix rare race condition that could cause SS engine to hang during request processing until next request arrival
3) Make lock manager memory dumps more informative (OWN_hung is detected correctly)
4) Decouple lock manager synchronization objects for different engine instances
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Derived tables support
Implemented support for derived tables in DSQL (subqueries in FROM clause) as defined by SQL200X
See also:
/doc/sql.extentions/README.derived_tables.txt
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Enhanced GROUP BY clause
Implemented support for arbitrary expressions in GROUP BY clause
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* UNION enhanced
Fixed field type coersion logic in unions
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* New backup technology
Implemented fast on-line physical incremental backup facilities
See also:
/doc/README.nbackup.txt
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Generic cleanup.
Various cleaning and tidying up of code, warnings removal, 64-bitness cleanup, numerous minor bugfixes
Contributor(s):
Blas Rodriguez Somoza <blas at puertareal.com>
Dmitry Yemanov <yemanov at yandex.ru>
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Generic cleanup
Large amount of ongoing code cleanup and style standardization. In particular, broken WAL and journalling code is fully cleaned out
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
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