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firebird-mirror/doc/WhatsNew
dimitr d4bd5cbd47 Update.
2007-09-02 14:00:28 +00:00

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**************************
* v2.0.3
**************************
* Fixed bug CORE-1434
Incorrect result with EXECUTE STATEMENT and VARCHAR columns
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1418
Races when starting and quickly shutting down blocking AST thread
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Solaris port
Contributor(s):
Paul Beach <pbeach at ibphoenix.com>
Alex Peshkov <peshkoff at mail.ru>
**************************
* v2.0.2
**************************
* Fixed bug CORE-1405
Vulnerability in attach/create database when filename exceeds MAX_PATH_LEN
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1403
Server crashes if a few events are being registered simultaneously
by the client connected via XNET
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1400
GSTAT doesn't support port number in connection string
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1399
GSTAT does not use RemoteServicePort option in firebird.conf
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1398
GSTAT: 'localhost' is case-sensitive in Windows
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1397
Possible vulnerability in the remote server
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1380
IO errors after changing FW on already attached database
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1371
Execute block fails within execute statement
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1349
Remote interface doesn't check (in REM_receive and REM_fetch calls)
the client's supplied message length against the length of message's format
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1347
Unexpected "cannot transliterate" error
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1331
Charset transliterations don't work with EXECUTE STATEMENT
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1328
Unexpected end of input when running gfix in dialog
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1312
A remote attacker can check, if a file is present in the system,
running firebird server
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1303
Infinite loop in SS remote listener
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1302
Races during service startup
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1300
Lower level index pages is missed from parent page
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1299
Wrong index entries order at non-leaf b-tree pages
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1298
BTR\garbage_collect code can make a deadlock in a page cache
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1292
Can't create table using long username and UTF8 as attachment charset
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1286
Bug with COMPUTED BY fields
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1279
Incorrect initialization of the engine with many simultaneous attachments at first time
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1276
Sometime INET error reported as 0 in firebird.log instead of real error code
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1265
Database detach deallocates the memory used by an active critical section
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1249
Full shutdown mode doesn't work on Classic if there are other connections to the database
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1248
Incorrect timestamp arithmetic when one of operands is negative number
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1247
Blobs garbage collector removes wrong blob if going blob descriptor
contains 0:0 (NULL value) but field's NULL flag is not set
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1240
Any task, using libfbclient, hangs on exit (Darwin PPC)
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1223
Wrong message in firebird.log on Open SuSe Linux 10.2:
"Open file limit increased from 1024 to 0"
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1207
FB Embedded requires extra OS privileges
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1205
v2.1 GBAK crashes the v2.0.x server when attempting to backup a database
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
Claudio Valderrama <cvalde at usa.net>
* Fixed bug CORE-1203
Performance issue with some queries on Linux 32 bits
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1183
View cannot be created if its WHERE clause contains IN <subquery> with a procedure reference
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1156
Prepare fails when having a parameter in a DSQL statement before a sub query
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1153
Activating index change "STARTING" working as "LIKE" in join condition
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1149
DoS attack on server using Services API
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1145
Server locks up while attempting to commit a deletion of an expression index
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1142
Cannot alter generator's comment to the same value
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed bug CORE-984
fbclient.dll changes the security descriptor of the calling process
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-968
Lost connection with Firebird server
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-900
Deadlock when attaching simultaneously with services and standard APIs
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Improvement CORE-1148
Regular users are prevented from retrieving the server log
using Services API. This is now allowed for SYSDBA only.
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* MacOS Firebird Classic Intel Port
Contributor(s):
Paul Beach <pbeach at ibphoenix.com>
**************************
* v2.0.1
**************************
* Improvement CORE-1071
Background garbage collector doesn't need to read backversions
of the active record
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Improvement CORE-1047
Add support for Gentoo/FreeBSD detection
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Improvement CORE-1012
IBO problems with FB >= 1.5.3 "Error with joins
and auto-generated search query"
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1140
Server crashes when performing GC during index creation
(related to existence of expression indices on the same table)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1139
NBackup doesn't delete the delta file after successful backup
on Win32 CS
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1136
NBackup cannot backup a recently created database
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1133
XNET (IPC) communication protocol does not work across sessions
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1130
Bad optimization: <procedure> left join <subquery> (or <view>)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1127
Circular index references in corrupt database causes fbserver
to loop infinitely
Contributor(s):
Diane Downie <diane.downie at citrix.com>
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1126
UNION vs UTF8 literals: arithmetic exception is thrown
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1124
NBackup doesn't work in the interactive mode on Windows
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1121
NBackup: Page-level deadlock (bugcheck 215) when attempting
to lock/backup a database under load
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
George Sergeev <georgy.sergeev at inbox.ru>
* Fixed bug CORE-1110
isc_get_client_xxx_version not fully compatible with IB's gds32.dll
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1104
Linux install fails when x0rfbserver program is running
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1094
isc_dsql_sql_info() returns unordered SQLVAR descriptors
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1080
Bugcheck 167 (invalid SEND request) in SS when many parallel attachments
begin to execute trigger not loaded into metadata cache
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1068
ISQL doesn't print not-nullable blobs
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1064
Wrong backup order for character sets and collations
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1063
Server hangs eating CPU and performs huge I/O
copying different codepage fields
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1059
Remote Linux Classic crash
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1057
GSEC hiding error - CryptAcquireContext
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1055
Wrong parameter matching for self-referenced procedures
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1053
Invalid results in SELECT, when index is used to evaluate
"greater" operator in WHERE clause
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
Arno Brinkman <firebird at abvisie.nl>
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1051
Possible stack corruption in DFW\check_dependencies
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1046
Core dump in CVT_move
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1040
Wrong single-segment ascending index on character field with NULL
and empty string values
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
Arno Brinkman <firebird at abvisie.nl>
* Fixed bug CORE-1037
Command-line for Installation of SuperServer Component is not working
Contributor(s):
Paul Reeves <preeves at ibphoenix.com>
* Fixed bug CORE-1033
LIKE clause doesn't work for computed values (at least in a view)
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-1029
Bad plan in outer joins with IS NULL clauses
(dependent on order of predicates)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1025
Server crashes at runtime when an explicit MERGE plan
is specified over a few JOIN ones
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1020
Command-line switch /silent or /verysilent does not install the guardian
Contributor(s):
Paul Reeves <preeves at ibphoenix.com>
* Fixed bug CORE-1017
Service attachments (over presumably Xnet) fail
when Classic started with -x -i parameters
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1016
UdfAccess check is performed after loading the library
and executing its startup code
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-1011
Server crashes when being connected to via InterBase gds32.dll
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1010
Server crashes if DDL statement execution raises an error
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1006
AV at rollback and/or garbage collection if updated table has expression
index with SELECT in it
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-1005
DISTINCT vs NULLS LAST clause: wrong order of NULLs
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-1004
Context already in use (BLR error)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-997
Database Update 1.5 to 2.0 fails
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed bug CORE-988
FB SuperServer 32bit old threading, regularly restarts
"fbserver terminated abnormally (-1)"
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-984
fbclient.dll changes the security descriptor of the calling process
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-982
Error reading data from the connection
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-966
Bug in socket binding for database events
Contributor(s):
Paul Beach <pbeach at ibphoenix.com>
* Fixed bug CORE-959
GSTAT does not work using the localhost connection string
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-952
AV when blob is used in expression index
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug CORE-944
FB2 RC4 Linux Classic server crashes
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug CORE-943
Incorrect shutdown, when database is in the phisical backup mode
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug CORE-888
DDL - object in use
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
**************************
* v2.0 Final
**************************
* Fixed RC5 bug (CORE-980)
NO WAIT is implied instead of WAIT when the host application
doesn't provide TPB
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC5 bug
Server crashes if being connected via gds32 from latest InterBase versions
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
Alex Peshkov <peshkoff at mail.ru>
**************************
* v2.0 Release Candidate 5
**************************
* Fixed unregistered bug
Win32 installer was trying to upgrade an existing Fb 1.5 install.
This was the underlying cause of CORE-934
Contributor(s):
Paul Reeves <preeves at ibphoenix.com>
* Fixed RC4 bug (CORE-897)
Error "no current record to fetch" while execution a query
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed RC4 bug (CORE-924)
An attempt to select DB_KEY from a procedure crashes the server
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC4 bug (CORE-923)
Events (if many ones are registered) not working via the local protocol
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed bug (CORE-921)
Core dump in stored procedure using execute statement
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed bug (CORE-911)
AV in Classic server after long idle period when using long running
read committed readonly transaction
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed RC4 bug (CORE-906)
Updating table with non-unique index causes unique data violation error
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed RC4 bug (CORE-904)
Too big use of memory in "prepare"
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed bug (CORE-902)
Server crashes intermittently when executing DDL/DML statements
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed RC4 bug (CORE-898)
Two uninitialized variables cause a server crash in alice.cpp / common_main
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed RC4 bug (CORE-895)
In some rare cases unique index violation is possible. The case is when
existing index entry is the last entry on the page and inserted record
with the same key have a number less than in existing entry
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
**************************
* v2.0 Release Candidate 4
**************************
* Fixed RC3 bug (CORE-839)
Instclient failed to install gds32 over an existing version
from V1.5.1 or later
Contributor:
Paul Reeves <preeves at ibphoenix.com>
* Fixed unregistered bug
Service didn't restart correctly on SUSE Linux
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed RC3 bug (CORE-855)
Aggregates in the WHERE clause vs derived tables
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed RC3 bug (CORE-883)
The built-in BLR printer (isc_print_blr) doesn't support all FB2 features
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC3 bug (CORE-841)
Access violation in services API (CORE-841)
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed RC3 bug (CORE-879)
Dependencies are not cleared when creation of expression index fails
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed RC3 bug (CORE-860)
Server crashes when attempting to restore a v1.5 backup
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC3 bug (CORE-858)
Server crash when using UDF in PSQL
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed RC3 bug (CORE-857)
CONTAINING not working correctly
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed RC3 bug (CORE-852)
substring(current_user from 4) without "for" fails
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
**************************
* v2.0 Release Candidate 3
**************************
* Fixed RC2 bug
GSTAT and NBAK should not require firebird.conf on Win32
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Added new collation
ES_ES_CI_AI (case- and accent-insensitive) for ISO8859_1 charset
(Spanish language)
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
Server crashes with complex joins or derived tables and grouping
Contributor(s):
George Sergeev <gsergeev at broadviewsoftware.com>
* Fixed RC2 bug
Server lockup when an exception occurs during expression index evaluation
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed RC2 bug
STARTS WITH not working properly on an indexed column with charset UTF8
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
TCP buffer size bigger than 32K cannot be processed correctly
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
NoNagle option for TCP sockets doesn't work properly
Contributor(s):
Fred Polizo <fpolizo at users.sourceforge.net>
Alex Peshkov <peshkoff at mail.ru>
* Fixed RC2 bug
Views WITH CHECK OPTION cannot be restored
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC2 bug
Server occasionally crashes when explicit plans present in procedures
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC2 bug
NBACKUP utility was missing in the Linux SS packages
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed RC2 bug
Suboptimal execution path is chosen if an explicit plan presents
for a complex inner join
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC2 bug
Expression: '' CONTAINING '' wrongly returned FALSE
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed RC2 bug
Wrong results for ALL predicates in the ODS11 optimizer
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC2 bug
Wrong decoding of the SPB tags
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
**************************
* v2.0 Release Candidate 2
**************************
* Fixed RC1 bug
SuperServer performs slower than v1.5 on SMP machines
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed RC1 bug
Domain level CHECK constraints don't allow NULL values
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC1 bug
Embedded server cannot connect via TCP,
error "connection rejected by remote interface"
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed RC1 bug
Error "operating system directive ReleaseSemaphore failed"
under heavy concurrent load
Contributor(s):
Christian Barheine <cbarheine at sympatec.com>
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC1 bug
The INTL library (fbintl) cannot be loaded on some Windows distributions
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Configuration file change
Option CreateInternalWindow is no longer required to run
a few server instances and it has been removed
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC1 bug
MERGE plan is used for related streams, causing "no current record" error
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed unregistered bug
Index data corruption under heavy concurrent load
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
AV when configured to use big (about 32K) TCP packets
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
Alex Peshkov <peshkoff at mail.ru>
* Added new collation
ISO_PLK for ISO8859_2 charset (Polish language)
Contributor(s):
Jaroslaw Glowacki <joeaccord at plocman.pl>
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed RC1 bug
SHOW GENERATORS doesn't work in ISQL
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF #1466193
Semaphore array`s permissions in fb_lock_mgr were 0666 - i.e. anyone
could lock them and block all future queries
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
2.0 regression - install of SuperServer over existing Classic was broken
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed SF #1456002
2.0 regression - gsec illegally reported error on attempt to use long
(>8 characters) password
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed SF #1011401
start/stop script broke halt/reboot on slackware
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
2.0 regression - SuperServer startup script stopped all 'fbserver'
processes, being specially dangerous in case of running both 2.0
and 1.5 on the same box
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
fbguard did not detach from controlling terminal
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
2.0 regression - SuperServer did not shutdown properly due to
unhandled exception in semaphore destructor
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed RC1 bug
Set up the permissions for NBAK delta files properly to avoid server lockups
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
Error "invalid transaction handle" when calling isc_array_lookup_bounds()
from multiple threads
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Allow NO_NAGLE and KEEPALIVE socket options for CS builds
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC1 bug
Some integer operations delivered double precision result in Dialect 1
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC1 bug
Big number of buffer pages causes the server fault
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC1 bug
Wrong results by PSQL cursors that use a GROUP BY clause
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC1 bug
Missing nullability indicator in XSQLDA for EXECUTE BLOCK parameters
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
Improperly allowed assignments to columns deleted
by a concurrent transaction
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed RC1 bug
Permission checks performed in the wrong order
(column level before table level)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
**************************
* v2.0 Release Candidate 1
**************************
* Enhancement
Isql now shows the command line parameters and their explanations instead
of a simple list of switches when unknown parameters are used.
Contributor(s):
Michal Kubecek <mike at mk-sys.cz>
* Fixed SF #1446987
BLOB not found
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Beta 2 bug
Server crashes when dropping a constraint based on inactive index
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* New port
Introduced AMD64 port for FreeBSD
Contributor(s):
Sergey Skvortsov <skv at protey.ru>
Alex Peshkov <peshkoff at mail.ru>
* Security change
LegacyHash config option now defaults to 1 (TRUE)
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Beta 2 bug (SF #1449377)
Wrong sum result of derived table with no cast union select
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed SF #1434147
Bugs with COUNT (DISTINCT XXX) when XXXX is a high integer
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed SF #1422471
Memory leak in EXECUTE STATEMENT
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Beta 2 bug
Incorrect malformed string error
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed Beta 2 bug
Wrong behaviour on OS error in critical mutexes
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Beta 2 bug
Unexpected exception (like out of memory condition) lost in gbak
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
Possible buffer overflow in WNET
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Beta 2 bug
Legacy users' management API failed due to not initialized memory
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Diagnostic enhancement
Syslog messages also go to user's tty if process attached to it
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Beta 2 bug
"invalid handle" exception during events shutdown (local protocol only)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 2 bug
PSQL cursors return incorrect results in case of sorting/aggregation
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 2 bug
RETURNING INTO returns incorrect results
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF #1435997
Close database error -901 for embedded server
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF #1260310
Nessus scan causes server to drop connections
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Beta 2 bug (SF #1439268)
Sequence of commands crash FB server
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF #1385092
Firebird 1.5 SS freezes on terminated connection on blob
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Beta 2 bug
Server crashes due to bug in the Knuth-Morris-Pratt algorithm
(LIKE implementation)
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF #1436066
Adding index during DB activity causes GFIX errors
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Beta2 bug
Wrong processing (missing records) of GREATER-THAN operator
for compound indices in some cases
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
A few types of subqueries are wrongly treated as being variant,
causing performance issues
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 2 bug (SF #$1433583)
Unexpected error "key size exceeds implementation restriction"
for UTF-8 charset
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
Indices used in explicit plans inside PSQL could be dropped,
thus causing restore issues
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
fb_lock_print fails with message:
"the requested operation cannot be performed on a file
with a user-mapped section open".
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Information API enhancements
1) isc_info_active_transactions_count returns number
of active transactions (SF #1315814)
2) isc_transaction_info returns transaction isolation level
and options (SF #1089646)
3) isc_info_creation_date returns creation date of the database
See also:
/doc/sql.extensions/README.isc_info_xxx
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
Transaction ID cannot silently (and dangerously) overflow anymore
(the limit is still 2^31)
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
Read committed transactions block garbage collection
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
ALL predicate may return wrong results
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Thread safety issues in datetime functions of the FBUDF library
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Build improvement
FBUDF library no longer depends on FBCLIENT
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bug
Permissions are not checked for view columns
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Server crashes if positioned UPDATE/DELETE is executed via DSQL
and it references a cursor which is already released.
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed SF bug #1404157
DFW is not ready for RECREATE TABLE/VIEW
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Restored the code which replaces ROLLBACK with COMMIT if a transaction
has not modified any data
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
ROW_COUNT is cleared after SUSPEND execution
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #1408079
Parser does not validate string literal markers
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Beta 2 bug
Incorrect ambiguity error raised for quantified predicates (ANY/ALL/IN)
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed unregistered bugs
1) Wrong statistics if relation\index data is longer than 2^32 bytes length
2) Wrong statistics: average index key length rounded to integer value
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
Attachments with isc_dpb_no_garbage_collect option force the sweep
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Beta 2 bug
Wrong string length calculated for UNICODE_FSS system domains
in users views and tables
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 2 bug
Incorrectly stored source for CURRENT_TIME\CURRENT_TIMESTAMP
in procedure parameters default values
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
**************
* v2.0 Beta 2
**************
* Forward port from 1.5.3
Added OldColumnNaming support
Contributor:
Paul Reeves <paul_reeves at ibphoenix.com>
* Fixed Beta 1 bug
Problem causing collation to be lost in sqlsubtype when using dynamic charset
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed Beta 1 bug
Expression indices work incorrectly with the COLLATE clause
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Wrong results when a few candidate predicates have different matching rules
to lower/upper bounds of the index
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Added new collations
WIN_CZ for WIN1250 charset
(Czech language, case-insensitive)
WIN_CZ_CI_AI for WIN1250 charset
(Czech language, case-insensitive, accent-insensitive)
Contributor(s):
Ivan Prenosil <Ivan.Prenosil at seznam.cz>
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
The client library doesn't react on setting envvars
via SetEnvironmentVariable()
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed SF bug #1404215
Column dependencies are not stored for views
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Remote connections to the Services API performed with a wrong host
are in fact served by the local protocol instead of throwing an error
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Bugcheck #205 (index bucket overfilled) during restore
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Expression indices cannot be used for navigation in outer joins
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Wrong (incomplete) errors are reported by system triggers
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #229237
Blank passwords poorly supported
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
Made the server version information human readable in ISQL
when using the -z flag
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregistered bugs
A few buffer overruns in ISQL
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
An infinite fetch from explicit PSQL cursors
based on a navigationally sorted stream
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Security enhancements
1) Active protection from brute-force attack in services API
2) Redirection of remote requests is controlled by firebird.conf
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
Incorrect encryption of password in embedded services manager
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Beta 1 bug
Unexpected warnings about missing UDF libraries during restore on Win32
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Linux SS performance degradation related to the threads management
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
Incorrect Win32 error output by GSTAT
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Beta 1 bug
Incorrect report by GFIX validation about corruption
of primary/unique indices
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Beta 1 bugs
1) Long restore for complex interdependent metadata
2) Indices not used for small tables
3) Bad join order for non-indexed relationships
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
Dmitry Yemanov <yemanov at yandex.ru>
* Enhanced CAST function (SF #1371274)
Now it's possible to use CAST to advise the engine about parameter types,
hence avoiding the famous "Datatype unknown" error
Example(s):
SELECT CAST(? AS INT) FROM RDB$DATABASE
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #1191206
A few constraint issues
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #1292106
ORDER BY with FOR UPDATE WITH LOCK crashes index
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #609538
Alter Index FK - bad error message
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Added new charset
Charset WIN1258 for Vietnamese language
Contributor(s):
Nguyen The Phuong <phuongthe at gmail.com>
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
GPRE is unable to generate more than 32K identifiers
Contributor(s):
Ann Harrison <aharrison at ibphoenix.com>
* Fixed Beta 1 bug
Datatype changes of index-constrained columns are allowed
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Wrong result for STARTING WITH and subquery containing CASE function
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed Beta 1 bug
Backup of the security database is not allowed using Services API
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Cleaned up ibase.h
Public headers don't contain private declarations anymore
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
Wrong error can be reported when you access not active contexts
in multi-action triggers
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF #1368741
Wrong result for UPPER()
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Enhanced API call
isc_blob_lookup_desc() now also describes blobs
that are outputs of stored procedures
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed Beta 1 bug
Server crashes when TRIM function is used in aggregation
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Server crashes when manipulating input DPB due to memory corruption
in Parameter Blocks management
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Beta 1 bug
Column names are lost in case of UNION containing derived fields
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Beta 1 bug
Server crashes when a few expression indices are used simultaneously
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed SF bug #1175157
Error in thread scheduler causes server to lockup
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
Wrong ISQL metadata extraction for triggers, check constraints
and views with check option
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Server crash when attempting to load metadata for expression index
that belong to a not scanned table
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
Internal error is reported when attempting to pass/return blobs
to/from string functions inside PSQL
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Corrupted IDs of system generators after restore
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Explicit plan could be rejected/ignored in ODS11 databases
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Root directory lookup change
Registry is no longer used by the server processes
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bugs
1) Improper thread data operations during the protocol port cleanup
2) No transaction rollback / attachment cleanup for broken TCP connections
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Wrong error message is decoded when firebird.msg is missing or outdated
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Memory corruption and server crash caused by buffer overflows
inside the BLR->ASCII blob filter
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Bad optimization of joins order
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Incorrect source SQL is stored in the metadata for DEFAULT CURRENT_TIME[STAMP]
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Column defaults remain cached after DROP DEFAULT statement
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Enhanced SET TRANSACTION statement
All TPB options are now supported:
- NO AUTO UNDO
- IGNORE LIMBO
- LOCK TIMEOUT <number>
Example(s):
SET TRANSACTION WAIT SNAPSHOT NO AUTO UNDO LOCK TIMEOUT 10
See also:
doc/sql.extensions/README.set_transaction.txt
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Beta 1 bug
Server crash caused by invalid reference to RDB$ROLES.RDB$SYSTEM_FLAG
in ODS10 databases
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Beta 1 bug
Corrupted incremental backups are created after changes in large blobs
Contributor(s):
Nickolay Samofatov <nickolay at broadviewsoftware.com>
* Fixed unregistered bug
Server crash when attempting to restore a database backup
with corrupted VARCHAR data
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
A successful status vector could be reported to the user
after a failed DDL operation
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
Threading issues in the DSQL metadata cache causing unexpected
"invalid transaction handle" errors under load
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Incorrect checking of subqueries/derived tables in the HAVING clause
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed unregistered bug
Wrong result by the division operation after DDL changes
Example(s):
create table test(fld numeric(18, 2));
insert into test (fld) values (1);
commit;
alter table test alter fld type numeric(18,3);
select fld/3 from test; -- returns 0.033 instead of expected 0.333
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Beta 1 bug
Memory corruption causing server to crash when using CURRENT_TIME[STAMP]
in some complex cases (nested procedure calls or views)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed SF bug #1184099
Incorrectly padding when using charset OCTETS
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed unregistered bug
Unexpected errors caused by improperly handled dead record versions
created by the system transaction during DDL operations
Contributor(s):
Ann Harrison <aharrison at ibphoenix.com>
* Further optimizer improvements
Better cost-based calculation
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed Beta 1 bug
ALTER TABLE SET DEFAULT incorrectly modifies RDB$FIELDS
instead of RDB$RELATION_FIELDS
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed Beta 1 bug
Index is not rebuilt after a datatype change
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Beta 1 bug (SF #1192225)
Automatic NOT NULL in PK columns incomplete
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Fixed unregister bug
GBAK adds garbage bytes to SPB when called in the -SE mode
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
Claudio Valderrama <cvalde at usa.net>
Vlad Horsun <horsun at kdb.dp.ua>
* Added new DDL statement
RECREATE TRIGGER statement is now available in DDL
Note(s):
Semantics is the same as for other RECREATE statements
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregister bug
SuperServer deadlock in the DSQL metadata cache
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
Server crashes during some DDL actions
Example(s):
alter table rdb$relations add rdb$garbage varchar(30);
Contributor(s):
Jim Starkey <jas at netfrastructure.com>
* Fixed SF bug #223060
Slow processing of GREATER-THAN operator
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed unregistered bug
Check constraints are not SQL compliant in regard to the NULL handling
Example(s):
CHECK (DEPTNO IN (10, 20, 30)) should allow NULL values
in the DEPTNO column but it does not
Contributor(s):
Paul Ruizendaal <pnr at janus-software.com>
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
Primary key could be created on a column having NULL values
Example(s):
create table bug (f1 int not null, f2 int not null);
insert into bug (f1, f2) values (1, 1);
commit;
alter table bug add pk int not null primary key;
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Beta 1 bug
Wrong access permissions to the QLI help database
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Beta 1 bug
OLD/NEW context references are improperly recognized
as matching another table
Contributor(s):
Arno Brinkman <firebird at abvisie.nl>
* Fixed SF bug #1334034
REVOKE damages ACL
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
**************
* v2.0 Beta 1
**************
* Fixed Alpha 3 bug
Client crashes while calling isc_interpret() for isc_except error code
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed Alpha 3 bug
ALTER TABLE doesn't see uncommitted relations
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Alpha 3 bug
Server crashes while performing the sweep
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Alpha 3 bug
Improperly reused error codes causing wrong lookup in older firebird.msg
Contributor(s):
Claudio Valderrama <cvalde at usa.net>
* Changed security2.fdb
1) Table USERS_BG is renamed to RDB$USERS
2) User name is now UNICODE_FSS instead of ASCII
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed unregistered bug
"Cannot find record fragment" bugcheck happens during GC in system tables
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Alpha 3 bug
Server crashes when attempting to release a BLOB
Contributor(s):
Vlad Horsun <horsun at kdb.dp.ua>
* Fixed Alpha 3 bug
Incorrect ODS layout in AMD64 builds
Contributor(s):
Alex Peshkov <peshkoff at mail.ru>
* Fixed Alpha 3 bug
Removed collation alias PT_BR for WIN1252,
rolled back to globally unique collation names
Contributor(s):
Adriano dos Santos Fernandes <adrianosf at uol.com.br>
* Fixed SF bug #1211328
Maximum BLOB size (error reporting)
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* Fixed unregistered bug
System triggers of wrong ODS are executed
Contributor(s):
Dmitry Yemanov <yemanov at yandex.ru>
* 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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