************************** * v2.5 Release Candidate 1 ************************** * Bugfix CORE-2612 Connection lost immediatelly after compiling procedure with RPAD system function Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2608 Recent Windows versions stop responding when Firebird is working with large databases Contributor(s): Nickolay Samofatov * Bugfix CORE-2607 Introducer (_charset) problems with monitoring and persistent modules Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2602 Attachments using NONE charset may fail reading from the monitoring tables Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2599 Segmentation fault in the Y-valve when closing an attachment actively used by other threads Contributor(s): Alex Peshkov * Bugfix CORE-2598 fb_lock_print -c[onsistency] switch doesn't work on Windows Contributor(s): Dmitry Yemanov * Bugfix CORE-2591 High mutex wait ratio and degraded performance after some time of performing normally Contributor(s): Dmitry Yemanov * Bugfix CORE-2590 Segmentation fault in the page cache AST routine under high load Contributor(s): Alex Peshkov Dmitry Yemanov * Bugfix CORE-2586 Make all kernel object names belonging to the same namespace Contributor(s): Vlad Khorsun * Bugfix CORE-2584 Wrong results for CASE used together with GROUP BY Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2582 Infinity from UDF should be trapped by the engine Contributor(s): Claudio Valderrama * Bugfix CORE-2579 Parameters and variables cannot be used as expressions in EXECUTE PROCEDURE parameters without a colon prefix Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2576 Server may crash parsing wrong or truncated BLR Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2573 The server crashes when selecting from the MON$ tables in the ON DISCONNECT trigger Contributor(s): Dmitry Yemanov * Bugfix CORE-2572 Locks of type LCK_page_space are processed incorrectly (on big-endian machines) Contributor(s): Alex Peshkov * Bugfix CORE-2558 Engine crashes when some statement under an autonomous transaction drops the transaction level savepoint Contributor(s): Vlad Khorsun * Bugfix CORE-2514 An error about CreateFile is reported when there's not enough space on the temp drive Contributor(s): Dmitry Yemanov * Bugfix CORE-2478 MON$MEMORY_USAGE: incorrect database memory reported on Classic and SuperClassic Contributor(s): Dmitry Yemanov * Bugfix CORE-2422 Server doesn't switch between multiple entries configured in TempDirectories when some of them is out of free space Contributor(s): Dmitry Yemanov * Bugfix CORE-2321 Query fails with message 'operating system directive write failed. Invalid argument.' Contributor(s): Dmitry Yemanov * Bugfix CORE-2252 EXECUTE STATEMENT on EXTERNAL SOURCE does not check the status of the transaction Contributor(s): Vlad Khorsun * Bugfix CORE-915 ISQL extracts procedures body with double line break Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2609 Support for Windows NT4/98/ME Contributor(s): Nickolay Samofatov * Improvement CORE-2588 Allow to run engine instances in different Windows sessions without conflics on the trace shared memory Contributor(s): Vlad Khorsun * Improvement CORE-2587 User friendly diagnostics when the engine can't create shared memory already created by the another engine process in another Windows session Contributor(s): Vlad Khorsun * Improvement CORE-2580 Allow usage of subselects as PSQL expressions Contributor(s): Adriano dos Santos Fernandes * New feature CORE-2559 Add support for Linux/s390x platform Contributor(s): Dan Horak Alex Peshkov ************* * v2.5 Beta 2 ************* * Bugfix CORE-2564 Bus error when working with the monitoring tables on RISC machines Contributor(s): Alex Peshkov * Bugfix CORE-2563 Possible DoS attack using the malformed packet sent into the connection port Contributor(s): Dmitry Yemanov * Bugfix CORE-2561 Incorrect database name transliteration when connecting using WNET or XNET Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2552 isc_dsql_execute2 does not return errors when called with a non-NULL output SQLDA Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2550 Bus error when working with DB_KEY on big-endian machines Contributor(s): Alex Peshkov * Bugfix CORE-2538 PSQL doesn't allow to use singleton query result as an input parameter of a stored procedure if the procedure is called using EXECUTE PROCEDURE Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2532 Incorrect size of volumes in a multi-volume database Contributor(s): Vlad Khorsun * Bugfix CORE-2528 GSEC does not return error codes to the operating system Contributor(s): Claudio Valderrama * Bugfix CORE-2526 Server can be shut down disregarding services' connections Contributor(s): Alex Peshkov Dmitry Yemanov * Bugfix CORE-2519 GSTAT output is incorrect for tables with more than 2 billion records Contributor(s): Vlad Khorsun * Bugfix CORE-2518 Can no longer connect to a database when using isc_dpb_num_buffers parameter Contributor(s): Alex Peshkov * Bugfix CORE-2516 Wrong processing of procedure parameters with arrays Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2505 Built-in trigonometric functions can produce NaN and Infinity Contributor(s): Claudio Valderrama * Bugfix CORE-2501 Binary shift functions give wrong results with negative shift values Contributor(s): Claudio Valderrama * Bugfix CORE-2499 Implementation limit of DISTINCT items is not enforced, causing generation of incorrect BLR Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2488 Long query execution on one table multiple join Contributor(s): Dmitry Yemanov * Bugfix CORE-2482 Monitoring tables data collection is unstable when attaching or detaching database Contributor(s): Alex Peshkov * Bugfix CORE-2475 External table data is not visible to other sessions in Classic Contributor(s): Vlad Khorsun * Bugfix CORE-2462 FB 2.5 Beta 1 has huge, fast-growing firebird.log file Contributor(s): Dmitry Yemanov * Bugfix CORE-2461 Deadlock error terminates the restore process while restoring privileges Contributor(s): Dmitry Yemanov * Bugfix CORE-2455 Server fails when doing DROP DATABASE right after error in a statistical function Contributor(s): Alex Peshkov * Bugfix CORE-2454 AV enumerating attachments in SS/SC if more than 8 databases are attached Contributor(s): Vlad Khorsun * Bugfix CORE-2453 AV in the engine when client using events disconnects (XNET is affected only) Contributor(s): Vlad Khorsun * Bugfix CORE-2449 Unexpected "lock conflict" error can be thrown instead of other (expected) exception Contributor(s): Dmitry Yemanov * Bugfix CORE-2444 The engine could hang when multiple attachments register their interest in events simultaneously and free space in the events table is exhausted Contributor(s): Vlad Khorsun * Bugfix CORE-2441 Server crashes on UPDATE OR INSERT statement Contributor(s): Alex Peshkov * Bugfix CORE-2437 Buffer overflow on client when delivering events Contributor(s): Alex Peshkov * Bugfix CORE-2430 Server adds "NOT" at the end of a default value for a TIMESTAMP field Contributor(s): Dmitry Yemanov * Bugfix CORE-2427 ALTER VIEW doesn't clear dependencies for old views Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2426 ALTER TABLE does not respect collations Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2420 Parsing error in EXECUTE STATEMENT with named parameters Contributor(s): Vlad Khorsun * Bugfix CORE-2419 Assert in the DEBUG build while preparing a query with UNION inside a derived table Contributor(s): Vlad Khorsun * Bugfix CORE-2417 Index cannot be used with LIKE in HAVING clause Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2416 AV preparing a query with aggregate over derived table Contributor(s): Vlad Khorsun * Bugfix CORE-2411 Optimizer chooses slower PLAN in v2.0.5/v2.1.2 than in v2.0.4/v2.1.1 Contributor(s): Dmitry Yemanov * Bugfix CORE-2408 ISQL metadata extraction: default values of procedure parameters are put before the NOT NULL and COLLATE flags Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2407 ISQL metadata extraction: PAGE_SIZE missing in CREATE DATABASE Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2402 Bad permissions on temp files, /tmp is polluted with a lot of files Contributor(s): Alex Peshkov * Bugfix CORE-2397 Database corruption may happen after dropping two different indexes within the same transaction Contributor(s): Vlad Khorsun * Bugfix CORE-2386 ALTER VIEW could remove columns used in stored procedures or triggers Contributor(s): Vlad Khorsun * Bugfix CORE-2370 SQL plan greater than 2048 characters is not printed at all in ISQL Contributor(s): Claudio Valderrama * Bugfix CORE-2361 String truncation when reading 8859-1 Spanish column using isc_dsql_fetch() with an UTF-8 connection Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2359 Logical multibyte maximum string length is not respected when assigning numbers Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2331 ALTER DOMAIN causes an invalid RDB$FIELD_SUB_TYPE value to be stored Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2306 fbserver terminates abnormally when some worker thread fails to start Contributor(s): Alex Peshkov * Bugfix CORE-2272 Server starts returning garbage when killing events connection attempt Contributor(s): Alex Peshkov * Bugfix CORE-2268 GFIX causes BUGCHECK errors with non valid transaction numbers Contributor(s): Vlad Khorsun * Bugfix CORE-1971 Set the fixed and documented evaluation order for the WHERE clause and other predicates Contributor(s): Dmitry Yemanov * Bugfix CORE-1412 Some bugs in GSTAT's parameters processing Contributor(s): Claudio Valderrama * Bugfix CORE-1346 LPAD and RPAD with two columns not working Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2551 Interpret DPB items like the database name parameter is interpreted currently and change MON$ filename fields from NONE to UNICODE_FSS Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2498 Make a single attachment handle usable by more than one simultaneous threads in embedded Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2492 Work correctly with external tables larger then 2GB Contributor(s): Vlad Khorsun * Improvement CORE-2452 Add role name to input options for EXECUTE STATEMENT Contributor(s): Vlad Khorsun * Improvement CORE-2434 CREATE USER command: invalid error message Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2432 Missing SHOW COLLATIONs in HELP command of ISQL Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2424 Make CREATE VIEW inferring column names for views involving a GROUP BY clause or derived table Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2404 Match database names using correct INTL and platform rules for trace Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2263 RemoteAuxPort for SuperClassic and regular Classic Contributor(s): Dmitry Yemanov * Improvement CORE-1411 GSTAT needs '-?' or '-help' switch Contributor(s): Claudio Valderrama * Improvement CORE-1402 CREATE VIEW without column list when UNION is used Contributor(s): Dmitry Yemanov * Improvement CORE-1171 ISQL exponential format of numbers has zero pad on Windows Contributor(s): Claudio Valderrama * Improvement CORE-756 Add parameter help to GSEC Contributor(s): Claudio Valderrama * New feature CORE-2524 Command line utility to work with the trace service Contributor(s): Vlad Khorsun * New feature CORE-2398 Make Firebird correctly detecting its installed path in Linux Note: This feature is currently treated as experimental and is disabled by default. To activate it, pass --enable-binreloc to autogen.sh when building from the sources. Contributor(s): Adriano dos Santos Fernandes ************* * v2.5 Beta 1 ************* * Bugfix CORE-2389 Wrong matching of SIMILAR TO expression with brackets Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2372 Server crashes inside CMP_release() while releasing an already freed collation resource Contributor(s): Vlad Khorsun * Bugfix CORE-2368 Access violation after the isc_cancel_events() call if event was not found Contributor(s): Vlad Khorsun * Bugfix CORE-2356 On Windows the listener process of Classic Server can't create necessary resources after restart if any worker process was present Contributor(s): Vlad Khorsun * Bugfix CORE-2355 Incorrect handling of LOWER/UPPER when result string shrinks in terms of byte length Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2354 "fb_lock_print -ia" output is not flushed to a file between iterations Contributor(s): Alex Peshkov * Bugfix CORE-2351 An aliased database cannot be created Contributor(s): Alex Peshkov * Bugfix CORE-2349 False "Invalid SQLDA" error Contributor(s): Vlad Khorsun * Bugfix CORE-2348 More problems with transaction numbers overflowing 32-bit signed integer and corrupting a database Contributor(s): Vlad Khorsun * Bugfix CORE-2347 "Deadlock. Page type lock conversion denied" error is reported under a concurrent "connect-work-disconnect" kind of load Contributor(s): Dmitry Yemanov * Bugfix CORE-2341 Hidden variables conflict with output parameters, causing assertions, unexpected errors or possibly incorrect results Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2340 Bugcheck 258 (page slot not empty) could occurs under high concurrent load Contributor(s): Vlad Khorsun * Bugfix CORE-2339 Incorrect result for the derived expression based on aggregate and computation Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2320 Complex recursive query may produce not all rows Contributor(s): Vlad Khorsun * Bugfix CORE-2317 select * from (select cast(.... returns null Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2313 INF_* functions may invalidate the whole output buffer with isc_info_truncated at the beginning due to boundary condition Contributor(s): Claudio Valderrama * Bugfix CORE-2311 Possible memory leak in WITH RECURSIVE query Contributor(s): Vlad Khorsun * Bugfix CORE-2308 SIMILAR TO produces random results with [x-y] expressions Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2307 Incomplete API information values Contributor(s): Dmitry Yemanov * Bugfix CORE-2300 Unexpected error "arithmetic exception, numeric overflow, or string truncation" while evaluating SUBSTRING the second time Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2293 Wrong dependent object type (RELATION) in RDB$DEPEDENCIES for views Contributor(s): Vlad Khorsun * Bugfix CORE-2291 Bugcheck 284 (cannot restore singleton select data) Contributor(s): Vlad Khorsun * Bugfix CORE-2289 Wrong (primary) constraint name is reported for the foreign key violation during FK creation Contributor(s): Vlad Khorsun * Bugfix CORE-2285 Database with many grants gets corrupted after backup/restore Contributor(s): Alex Peshkov * Bugfix CORE-2282 *truncate UDFs are broken for numbers below -1 Contributor(s): Claudio Valderrama * Bugfix CORE-2281 *round UDFs are broken for negative numbers Contributor(s): Claudio Valderrama * Bugfix CORE-2278 Incorrect conversion from/to CP943C in RISC machines Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2271 GFIX reports database ownership error way too late Contributor(s): Alex Peshkov * Bugfix CORE-2270 ISQL consumes all memory and crashes when run in zlogin console Contributor(s): Jaroslaw Swierczynski Alex Peshkov * Bugfix CORE-2266 NBackup database locking not working correctly Contributor(s): Vlad Khorsun * Bugfix CORE-2265 Grouping by function doesn't work properly Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2264 ALTER DOMAIN with dependencies may leave a transaction handle in inconsistent state causing segmentation faults Contributor(s): Adriano dos Santos Fernandes Dmitry Yemanov * Bugfix CORE-2262 Client connection is abruptly terminated Contributor(s): Alex Peshkov * Bugfix CORE-2258 Internal error when select UPPER() from union Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2257 Bugcheck 167 (invalid send request) while altering dependent procedures Contributor(s): Dmitry Yemanov * Bugfix CORE-2255 Error "string right truncation" while altering a view with a join Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2248 Server crashes in server.cpp/loopThread() during port validation Contributor(s): Vlad Khorsun * Bugfix CORE-2247 Message and descriptor buffers are not aligned properly in QLI Contributor(s): Alex Peshkov * Bugfix CORE-2245 Error on restoring a database with long exceptions from a backup Contributor(s): Claudio Valderrama * Bugfix CORE-2242 Engine incorrectly (for big-endian machines) fills BPB Contributor(s): Alex Peshkov * Bugfix CORE-2241 Wrong number of records fetched when using index Contributor(s): Vlad Khorsun * Bugfix CORE-2237 Assertion at src\jrd\intl.cpp, line 569 Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2234 Sometimes terminated worker processes in Classic are still considered being alive Contributor(s): Vlad Khorsun * Bugfix CORE-2231 Bugcheck 179 (decompression overran buffer) when attempting to read from the table RDB$TRIGGER_MESSAGES in a ODS 10.x database Contributor(s): Dmitry Yemanov Vlad Khorsun * Bugfix CORE-2230 Implement domain check of input parameters of EXECUTE BLOCK Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2227 Problem with column names with accents and triggers Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2223 Multiple bugs in GBAK when working with ACLs Contributor(s): Alex Peshkov * Bugfix CORE-2222 Server crashes while storing a text blob with a transliteration blob filter applied Contributor(s): Vlad Khorsun * Bugfix CORE-2221 Attach to any DB fails after modification of access rights of security2.fdb from 0660 to 0666 Contributor(s): Paul Beach Alex Peshkov * Bugfix CORE-2214 Incorrect restore of security classes Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2209 Very slow procesing of the monitoring requests under high load and blocking other activity during that time Contributor(s): Dmitry Yemanov * Bugfix CORE-2202 RDB$VIEW_RELATIONS is not cleaned when altering a view Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2186 fbintl.dll never get unloaded in the embedded server after invoking isc_dsql_execute_immediate for CREATE DATABASE Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2183 Error when server shutdown started with an opened "execute statement" request Contributor(s): Vlad Khorsun * Bugfix CORE-2182 It's impossible to drop an existing UDF which name overlaps with a new built-in function name Contributor(s): Dmitry Yemanov * Bugfix CORE-2179 Deadlock when trying to shutdown the server with an opened "execute statement" request Contributor(s): Alex Peshkov * Bugfix CORE-2176 Unexpected (wrong) results with COALESCE and GROUP BY Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2174 DATEADD and DATEDIFF cause an assert in TimeStamp::decode() Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2171 Column MON$CALLER_ID of table MON$CALL_STACK reports invalid IDs Contributor(s): Dmitry Yemanov * Bugfix CORE-2158 Client/embedded library crashes while being unloaded Contributor(s): Alex Peshkov * Bugfix CORE-2154 "request synchronization error" when calling isc_dsql_sql_info() with isc_info_sql_records parameter after last record is fetched with EXECUTE PROCEDURE Contributor(s): Vlad Khorsun * Bugfix CORE-2153 SIMILAR TO predicate hangs with the "|" option Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2151 Temporary directory path with spaces in the middle is wrongly truncated from the rightmost space Contributor(s): Vlad Khorsun * Bugfix CORE-2140 Error messages after parameters substitution contains '\n' characters instead of line break Contributor(s): Claudio Valderrama * Bugfix CORE-2138 If a stored procedure with an EXECUTE STATEMENT against an external database fails at runtime, then the external database remains attached Contributor(s): Vlad Khorsun * Bugfix CORE-2137 Database restore may crash the server when DummyPacketInterval is set Contributor(s): Dmitry Yemanov * Bugfix CORE-2132 Indexed retrieval cannot be chosen if a stored procedure is used inside the comparison predicate Contributor(s): Dmitry Yemanov * Bugfix CORE-2123 Problem with getting UNICODE_FSS data in the CP943C connection charset Contributor(s): Adriano dos Santos Fernandes Dmitry Kovalenko * Bugfix CORE-2122 Translation of large text blobs between UNICODE_FSS / UTF8 and other charsets Contributor(s): Adriano dos Santos Fernandes Dmitry Kovalenko * Bugfix CORE-2121 Client library may crash when working with BLOBs Contributor(s): Alex Peshkov * Bugfix CORE-2117 Incorrect ROW_COUNT value with indexed retrieval and subquery Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2115 Query plan is missing for the long query Contributor(s): Dmitry Yemanov * Bugfix CORE-2108 Error "get_free_slot() failed" Contributor(s): Vlad Khorsun * Bugfix CORE-2107 Failed to establish TCP\IP connection with Windows Classic Server under high load Contributor(s): Vlad Khorsun * Bugfix CORE-2102 Firebird 2.5 does not build on MacOS (Darwin) Contributor(s): Alex Peshkov * Bugfix CORE-2101 Bugcheck 249 (pointer page vanished) when attempting to fetch outside the end-of-stream mark for the open PSQL cursor Contributor(s): Dmitry Yemanov * Bugfix CORE-2098 View over global temporary table Contributor(s): Vlad Khorsun * Bugfix CORE-2095 Bug in CVJIS_eucj_to_unicode() Contributor(s): Adriano dos Santos Fernandes Dmitry Kovalenko * Bugfix CORE-2093 SuperServer startup fails on Solaris 64-bit Contributor(s): Alex Peshkov * Bugfix CORE-2087 RemoteBindAddress = hostname instead of IP address is silently ignored and server binds to all interfaces (nothing in the firebird.log nor syslog) Contributor(s): Alex Peshkov * Bugfix CORE-2081 RDB$DB_KEY in a subselect expression incorrectly returns NULL Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2078 Suboptimal join plan if there are selective non-indexed predicates involved Contributor(s): Dmitry Yemanov * Bugfix CORE-2075 Parts of RDB$DB_KEY of views may be inverted when using outer joins Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2073 Expression indices bug: incorrect result for the inverted boolean Contributor(s): Dmitry Yemanov * Bugfix CORE-2071 Client library crashes if isc_dsql_prepare() is called with a NULL statement text Contributor(s): Alex Peshkov * Bugfix CORE-2069 Incorrect view expansion when RDB$DB_KEY is used inside a view body Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2068 Comparision with IN and subquery with RDB$DB_KEY returns wrong result Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2067 GROUP BY and RDB$DB_KEY problems Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2066 Conversion of SQL_TEXT / SQL_VARCHAR to SQL_TIMESTAMP / SQL_TIME / SQL_DATE Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2065 Client library not in default dynamic loader search paths Contributor(s): Paul Beach * Bugfix CORE-2064 Server process crashes while exiting under high load Contributor(s): Alex Peshkov * Bugfix CORE-2062 Error while remaping a lock file in Classic Server Contributor(s): Alex Peshkov * Bugfix CORE-2061 ALTER VIEW WITH CHECK OPTION crashes the engine Contributor(s): Dmitry Yemanov * Bugfix CORE-2055 Buffer overflow in fbclient Contributor(s): Alex Peshkov * Bugfix CORE-2053 Computed expressions may be optimized badly if used inside the RETURNING clause of the INSERT statement Contributor(s): Dmitry Yemanov * Bugfix CORE-2045 References to non-existent system fields with blr_field are not resolved to NULL Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2044 Incorrect result for UPDATE OR INSERT ... RETURNING OLD and non-nullable columns Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2042 Connection lost to a database when using AUTONOMOUS TRANSACTION Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2041 UPDATE OR INSERT with GEN_ID() increments the generator by 3 Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2039 Domain-level CHECK constraints wrongly process NULL values Contributor(s): Dmitry Yemanov * Bugfix CORE-2038 New EXECUTE STATEMENT implementation asserts or throws an error if used both before and after commin/rollback retaining Contributor(s): Dmitry Yemanov * Bugfix CORE-2036 Parameters order of EXECUTE BLOCK statement is reversed if called from EXECUTE STATEMENT Contributor(s): Vlad Khorsun * Bugfix CORE-2033 Unresolved symbol _Unwind_GetIP in the client library Contributor(s): Alex Peshkov * Bugfix CORE-2031 NULL in the first record in a condition on RDB$DB_KEY Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2027 Incorrect buffer size for ORDER BY expressions with system fields Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2026 Problem with a read-only marked database Contributor(s): Vlad Khorsun * Bugfix CORE-2022 EXECUTE BLOCK statement does not support CREATE USER Contributor(s): Alex Peshkov * Bugfix CORE-2019 UTF-8 conversion error (string truncation) Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2018 Only one client can access a read-only database Contributor(s): Vlad Khorsun * Bugfix CORE-2017 I/O statistics for stored procedures are not accounted in monitoring tables Contributor(s): Dmitry Yemanov * Bugfix CORE-2016 Client hangs at use of XNET protocol in cases when database or attachment has been shut down Contributor(s): Dmitry Yemanov * Bugfix CORE-2008 NOT NULL flag for procedure parameters in the system schema Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-2002 Conversion error from UDF result causes memory leak if the result is marked with FREE_IT Contributor(s): Claudio Valderrama * Bugfix CORE-2001 When trying to show "conversion error", "arithmetic exception/string truncation" may appear instead, misleading the user Contributor(s): Claudio Valderrama * Bugfix CORE-2000 Lock manager may report false deadlocks under high load Contributor(s): Vlad Khorsun * Bugfix CORE-1994 Error "invalid database handle" while executing CREATE USER Contributor(s): Dmitry Yemanov * Bugfix CORE-1989 UTF8 UNICODE_CI collate cannot be used in a foreing key constraint Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1986 Altering domain name drops dependencies using the domain Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1985 Lock manager code may create 100% CPU load for some time Contributor(s): Vlad Khorsun * Bugfix CORE-1984 Lock manager may report false deadlocks if one of deadlock participants waits with permitted timeout Contributor(s): Vlad Khorsun * Bugfix CORE-1983 Out of memory condition in OS causes AV Contributor(s): Alex Peshkov * Bugfix CORE-1982 Simultaneous backups or restores could interfere each with other using the Services API Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1980 Sweeper consumes 100% CPU forever Contributor(s): Vlad Khorsun * Bugfix CORE-1972 Non-SYSDBA user can change FW mode of a database Contributor(s): Alex Peshkov * Bugfix CORE-1970 Lock conversion denied (215) error may occurs Contributor(s): Vlad Khorsun * Bugfix CORE-1965 Lock manager crashes (invalid lock ID) under concurrent DDL load Contributor(s): Dmitry Yemanov * Bugfix CORE-1963 Possible server crash on commit when granting/revoking privileges from multiple connections simultaneously Contributor(s): Dmitry Yemanov * Bugfix CORE-1962 Incorrect extraction of MILLISECONDs Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1961 Bugcheck 210 (page in use during flush) is thrown during database validation Contributor(s): Dmitry Yemanov Roman Simakov * Bugfix CORE-1958 Bugcheck 179 (decompression overran buffer) when attempting to update the same record multiple times Contributor(s): Dmitry Yemanov * Bugfix CORE-1957 Long ACLs truncated Contributor(s): Alex Peshkov * Bugfix CORE-1944 Monitoring tables contain wrong data (big-endian machines) Contributor(s): Alex Peshkov * Bugfix CORE-1943 GROUP BY RAND() returns infinite rows Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1938 Bugcheck 243 (missing pointer page) while preparing/executing statements that reference a table being dropped/recreated by another connection Contributor(s): Dmitry Yemanov * Bugfix CORE-1936 The LOG(base, number) built-in function doesn't check parameters and delivers NAN values instead Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1935 SIMILAR TO character classes are incorrectly recognized Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1927 Procedure sp_register_character_set can generate the negative RDB$CHARACTER_SET_ID Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1923 "instsvc remove" returns 1 when succefully executed Contributor(s): Dmitry Yemanov * Bugfix CORE-1914 Problem creating table leave the database in inconsistent state Contributor(s): Alex Peshkov * Bugfix CORE-1894 Circular dependencies between computed fields crash the engine Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1812 Index is not used for some date/time expressions in dialect 1 Contributor(s): Dmitry Yemanov * Bugfix CORE-1696 Deadlock in the lock manager when using NBackup utility Contributor(s): Roman Simakov * Bugfix CORE-1690 Error "arithmetic exception, numeric overflow, or string truncation" for UTF8 tables Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1650 Infinite row generation in "SELECT GEN_ID(..) FROM DRB$DATABASE" with GROUP BY Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1607 Correlated subquery is optimized badly if it depends on the union stream Contributor(s): Dmitry Yemanov * Bugfix CORE-1606 Ability to insert child record if parent record is locked but foreign key target unchanged Contributor(s): Alexander Potapchenko Vlad Khorsun * Bugfix CORE-1596 Bug in CsConvert::convert Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1575 Serious memory bug on multiple update a table in a single transaction Contributor(s): Dmitry Yemanov * Bugfix CORE-1544 RDB$PROCEDURES generator overflow Contributor(s): Dmitry Yemanov * Bugfix CORE-1506 Server crashes with isc_dsql_execute_immediate() and zero length string Contributor(s): Alex Peshkov * Bugfix CORE-1432 Collation is not propagated between record formats Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1343 Bug with a simple case and a subquery Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1246 Incorrect column values with outer joins and derived tables Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1245 Incorrect column values with outer joins and views Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-903 Non-compliant behaviour of the SET clause of the UPDATE statement Contributor(s): Dmitry Yemanov * Bugfix CORE-501 Optimization problem with COALESCE Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-316 Cannot open database with MBCS/extended characters in name See also: /doc/README.connection_string_charset.txt Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-216 Too many grants lose privileges Contributor(s): Alex Peshkov * Bugfix CORE-210 Classic Server crashes while altering a stored procedure in two attachments Contributor(s): Dmitry Yemanov * Improvement CORE-2376 Change default value for the authentication method parameter Contributor(s): Alex Peshkov * Improvement CORE-2322 Support SYSDBA-like access of Windows domain administrators to the security database Contributor(s): Alex Peshkov * Improvement CORE-2316 Throttling NBackup on large databases Contributor(s): Alex Peshkov * Improvement CORE-2299 Use the SuperClassic architecture for the embedded server on Windows Contributor(s): Dmitry Yemanov * Improvement CORE-2298 Add support for "SOME_COL = ? OR ? IS NULL" conditions Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2243 Make Firebird distribution on Windows easier Contributor(s): Vlad Khorsun * Improvement CORE-2233 Allow non-SYSDBA users to monitor not only their current attachment but other their attachments as well Contributor(s): Dmitry Yemanov * Improvement CORE-2200 Faster execution of a cross join of multiple tables Contributor(s): Dmitry Yemanov * Improvement CORE-2197 Add support for -nodbtriggers switch in GBAK into Services API Contributor(s): Alex Peshkov * Improvement CORE-2195 Review of the Linux CS install access rights Contributor(s): Alex Peshkov * Improvement CORE-2185 Alias WIN_1258 for the charset WIN1258 Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2103 Verify well formed strings when using SJIS and EUCJ character sets Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-2094 Make it possible to use a hostname when specifying the interface to listen on in firebird.conf Contributor(s): Alex Peshkov * Improvement CORE-2052 Allow the Classic Server to see the altered stored procedure immediately after the modifier transaction commit Contributor(s): Dmitry Yemanov * Improvement CORE-2029 Increase number of contexts avaiable when using derived tables Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-1937 Detect (instead of crash) FREE_IT UDFs that return pointer not allocated by ib_util_malloc() Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-1842 Don't evaluate DEFAULT value expressions until really necessary Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-1799 Improve the almost useless "expression evaluation not supported" message Contributor(s): Claudio Valderrama * Improvement CORE-1758 NBackup support in the Services API See also: /doc/README.services_extension Contributor(s): Alex Peshkov * Improvement CORE-1667 Reading password from file/stdin See also: /doc/README.read_password_from_file Contributor(s): Alex Peshkov * Improvement CORE-1583 Enhance MON$STATEMENTS / MON$STATE to represent real CPU consumption Contributor(s): Dmitry Yemanov * Improvement CORE-1477 Avoid excessive memory consumption by the undo-log after series of updates Contributor(s): Dmitry Yemanov * Improvement CORE-1137 Better performance (optimized via index) for the NOT IN predicate Contributor(s): Adriano dos Santos Fernandes Vlad Khorsun * Improvement CORE-1107 Services API extension for new (single, full) shutdown modes See also: /doc/README.services_extension Contributor(s): Alex Peshkov * Feature CORE-2323 Ability to trace various events happening inside the database engine See also: /doc/README.trace_services Contributor(s): Vlad Khorsun Nickolay Samofatov Dmitry Starodubov * Feature CORE-2113 Revoke all privileges of a particular user or role Syntax: REVOKE ALL ON ALL FROM { | } See also: /doc/README.ddl.txt (section #12) Contributor(s): Alex Peshkov * Feature CORE-2054 Ability to query contents database file pages via ISC API interface in order to get low-level information for debug and deep analysis purposes See also: /doc/sql.extensions/README.isc_info_xxx Contributor(s): Vlad Khorsun * Feature CORE-1945 Custom attribute for collations to sort numbers in numeric order See also: /doc/README.intl (NUMERIC-SORT) Contributor(s): Adriano dos Santos Fernandes * Feature CORE-729 Log all SQL statements See also: /doc/README.trace_services Contributor(s): Vlad Khorsun Nickolay Samofatov Dmitry Starodubov ************** * v2.5 Alpha 1 ************** * Bugfix CORE-1930 Possible server crash if procedure was altered to have no outputs and dependent procedures were not recompiled Contributor(s): Vlad Khorsun * Bugfix CORE-1919 Memory corruptions in EXECUTE STATEMENT may crash the server Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1911 Backup and restore are not thread-safe when using the Services API Contributor(s): Claudio Valderrama * Bugfix CORE-1910 Invalid fields in MERGE's insert clause are allowed Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1909 Garbage in firebird.log on linux/amd64 Contributor(s): Alex Peshkov * Bugfix CORE-1907 Dropping and adding a domain constraint in the same transaction leaves incorrect dependencies Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1905 Hash sign (#) in filenames in aliases.conf is not handled correctly Contributor(s): Claudio Valderrama * Bugfix CORE-1891 SHOW VIEW shows non-sense information for view fields with expressions Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1890 Database monitoring process may hang under high load Contributor(s): Dmitry Yemanov * Bugfix CORE-1887 Newly created databases have wrong access rights Contributor(s): Alex Peshkov * Bugfix CORE-1885 CREATE COLLATION connection lost under Posix Contributor(s): Adriano dos Santos Fernandes Alex Peshkov * Bugfix CORE-1885 CREATE COLLATION connection lost under Posix Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1884 Random crashes using stored procedures with expressions as default values of input parameters Contributor(s): Vlad Khorsun * Bugfix CORE-1881 Database monitoring may crash the server or badly affect its page locking logic Contributor(s): Dmitry Yemanov * Bugfix CORE-1876 Incremental backups with NBACKUP are broken in v2.1 Contributor(s): Nickolay Samofatov * Bugfix CORE-1875 Error on script with CURRENT_DATE Contributor(s): Vlad Khorsun * Bugfix CORE-1869 Roles granting/revoking logic differs between 2.0 and 2.1 Contributor(s): Alex Peshkov * Bugfix CORE-1868 Client library crashes inside isc_dsql_free_statement() Contributor(s): Alex Peshkov * Bugfix CORE-1862 ISQL's extracted script is unusable with interdependent selectable procedures in FB 2.1 Contributor(s): Claudio Valderrama * Bugfix CORE-1859 Arithmetic overflow or division by zero has occurred in MAX function Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1854 Value of CURRENT_USER may be not in upper case when using Unix OS authentication Contributor(s): Alex Peshkov * Bugfix CORE-1845 Some standard calls show server installation directory to regular users Contributor(s): Alex Peshkov * Bugfix CORE-1843 GBAK with service manager don't allow path with space Contributor(s): Alex Peshkov * Bugfix CORE-1841 If some VIEW used derived tables and long table names\aliases, it becomes possible to overflow RDB$VIEW_RELATIONS.RDB$CONTEXT_NAME Contributor(s): Vlad Khorsun * Bugfix CORE-1840 Small memory leak per every DDL execution Contributor(s): Dmitry Yemanov * Bugfix CORE-1839 Server crashes when sorting by field, calculated using recursive CTE Contributor(s): Alex Peshkov * Bugfix CORE-1838 SET STATISTICS INDEX on index of GTT may wrongly change index id by maximum available number for database page size Contributor(s): Vlad Khorsun * Bugfix CORE-1830 Possible index corruption with multiply updates of the same record in the same transaction and using of savepoints Contributor(s): Vlad Khorsun * Bugfix CORE-1828 Error with ABS in dialect 1 Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1826 changeRunUser.sh and restoreRootRunUser.sh scripts does not change run user in init.d scripts Contributor(s): Alex Peshkov * Bugfix CORE-1820 Setup program doesn't detect a running server Contributor(s): Paul Reeves Dmitry Yemanov * Bugfix CORE-1818 Temporary files used for temporary page spaces are not deleted after use on Posix platform Contributor(s): Alex Peshkov * Bugfix CORE-1817 The RelaxedAliasChecking parameter has no effect concerning RDB$DB_KEY Contributor(s): Vlad Khorsun * Bugfix CORE-1811 Incorrect parser's reaction to the unquoted usage of the keyword "VALUE" Contributor(s): Dmitry Yemanov * Bugfix CORE-1810 Usernames with '.' character Contributor(s): Alex Peshkov * Bugfix CORE-1807 bserver is assigned to non-canonical port after abnormal termination Contributor(s): Alex Peshkov * Bugfix CORE-1802 Maximum key size using PXW_CSY collation Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1798 RDB$DB_KEY evaluates to NULL in INSERT ... RETURNING Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1797 OLD/NEW.RDB$DB_KEY returns incorrect result in triggers Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1793 Server crashes at prepare of query with unused parametrized CTE Contributor(s): Vlad Khorsun * Bugfix CORE-1784 Error with EXECUTE PROCEDURE inside EXECUTE STATEMENT Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1782 ISQL crashes when fetching data for a column having alias longer than 30 characters Contributor(s): Dmitry Yemanov * Bugfix CORE-1777 Engine allows conflicting table reservation specifications in TPB Contributor(s): Claudio Valderrama * Bugfix CORE-1775 Bad performance of security checking during prepare Contributor(s): Vlad Khorsun * Bugfix CORE-1774 Problem with collate ES_ES_CI_AI Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1770 Bugcheck 291 in DDL Contributor(s): Alex Peshkov * Bugfix CORE-1766 Incorrect owner and group of isc_monitor1 file on linux's classic server Contributor(s): Alex Peshkov * Bugfix CORE-1763 The client library does not set options SO_KEEPALIVE, TCP_NODELAY for socket at connection Contributor(s): Vlad Khorsun * Bugfix CORE-1755 and CORE-1756 A couple of crashes in isc_start_transaction Contributor(s): Dmitry Kovalenko Alex Peshkov * Bugfix CORE-1749 DDL statement with AUTODDL ON won't show statistics Contributor(s): Dmitry Yemanov * Bugfix CORE-1735 Bug in SET DEFAULT statement Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1731 Sometimes engine may "hang" using 100% CPU load and no IO activity for the few minutes Contributor(s): Vlad Khorsun * Bugfix CORE-1730 Problem if one of the directories in TempDirectories config setting is not available Contributor(s): Dmitry Yemanov * Bugfix CORE-1728 Monitoring tables do not work after fresh linux install Contributor(s): Alex Peshkov * Bugfix CORE-1726 Failure in isc_service_start() Contributor(s): Alex Peshkov * Bugfix CORE-1724 Common table expressions cannot be used in computed columns and quantified predicates (IN / ANY / ALL) Contributor(s): Vlad Khorsun * Bugfix CORE-1703 Delays/lockups when the GBAK output is redirected to another process Contributor(s): Dmitry Yemanov * Bugfix CORE-1694 Bug in CREATE/ALTER database trigger (with comments in Russian) Contributor(s): Adriano dos Santos Fernandes * Bugfix CORE-1693 Error in EXECUTE STATEMENT inside CONNECT / TRANSACTION START triggers Contributor(s): Adriano dos Santos Fernandes Dmitry Yemanov * Bugfix CORE-1689 "There are dependencies" error message shows the wrong count of dependent objects Contributor(s): Claudio Valderrama * Bugfix CORE-1680 "GSEC display" only shows some first users when there are many users (>50) in security database Contributor(s): Alex Peshkov * Bugfix CORE-1671 atexit() calls in client libraries cause segfaults if the libraries are used in dlopen'ed modules Contributor(s): Alex Peshkov * Bugfix CORE-1512 Server crashes due to the wrong parsing of the DEFAULT clause Contributor(s): Dmitry Yemanov * Bugfix CORE-1507 ISQL linecount facility in scripts goes out of sync after an INPUT command Contributor(s): Claudio Valderrama * Bugfix CORE-1421 SuperServer cannot shutdown immediately after shutdown request after failed login attempt Contributor(s): Alex Peshkov * Bugfix CORE-1363 ISQL crashes when converted-from-double string is longer than 23 bytes Contributor(s): Claudio Valderrama * Bugfix CORE-1357 DummyPacketInterval mechanism is broken Contributor(s): Dmitry Yemanov * Bugfix CORE-1307 Switch -s of fb_inet_server is not processed correctly Contributor(s): Alex Peshkov * Bugfix CORE-1254 Problem with DISTINCT and insensitive collations Contributor(s): Adriano dos Santos Fernandes * Bugfixes CORE-1105, CORE-1390, CORE-1566, CORE-1639 Aliases don't work properly for XNET connections Contributor(s): Dmitry Yemanov * Bugfix CORE-1079 Every attach of fbclient/fbembed library to the host process leaks 64KB of memory Contributor(s): Alex Peshkov * Bugfix CORE-479 Grants overwrite previous RDB$SECURITY_CLASSES entries Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-1928 Allow EXECUTE STATEMENT to inherit access privileges of the caller stored procedure or trigger See also: /doc/sql.extensions/README.execute_statement2 Contributor(s): Vlad Khorsun * Improvement CORE-1853 EXECUTE STATEMENT now supports queries against external databases See also: /doc/sql.extensions/README.execute_statement2 Contributor(s): Vlad Khorsun * Improvement CORE-1814 Change the root determination of the embedded Windows engine and load DLLs with altered search path (in order to search dependent DLLs on the same path as the loaded DLL) Contributor(s): Adriano dos Santos Fernandes * Improvements CORE-1750 and CORE-1751 New monitoring tables MON$CONTEXT_VARIABLES and MON$MEMORY_USAGE See also: /doc/README.monitoring_tables Contributor(s): Dmitry Yemanov * Improvement CORE-1741 API extension for efficient unprepare Note(s): New option DSQL_unprepare (numeric value 4) for the API routine isc_dsql_free_statement() allows to "unprepare" the DSQL statement while still keeping the handle valid. Contributor(s): Bill Oliver Dmitry Yemanov * Improvements CORE-1737 and CORE-1803 1) ALTER CHARACTER SET statement to set the default collation for a character set 2) Optional COLLATION clause for CREATE DATABASE statement See also: /doc/sql.extensions/README.ddl.txt (section #10 and #11) Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-1660 ALTER ROLE statement intended to control the assignment of SYSDBA permissions to Windows administrators during trusted authentication See also: /doc/README.trusted_authentication Contributor(s): Alex Peshkov * Improvement CORE-1658 Avoid memory consumption of bytes per every temporary blob Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-1600 Disallow malformed characters in UNICODE_FSS columns Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-1600 Better diagnostics and error reporting for a malformed TPB contents Contributor(s): Claudio Valderrama * Improvement CORE-1598 Optimize data retrieval for tables when no fields are accessed Contributor(s): Dmitry Yemanov * Improvement CORE-1453 Allowed expressions as the delimiter argument of the LIST function Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-1234 Report both table and column names when throwing access errors for a column Contributor(s): Alex Peshkov * Improvement CORE-886 Selectable stored procedures are now allowed in the FROM clause of views Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-818 Classic now detects client disconnection immediately, terminates the appropriate activity, rolls back the active transaction and closes the network port. Contributor(s): Vlad Khorsun * Improvement CORE-789 Allow RDB$DEFAULT_COLLATE_NAME to survive the backup/restore cycle Contributor(s): Adriano dos Santos Fernandes * Improvement CORE-707 Thread-safe client library Contributor(s): Dmitry Yemanov Alex Peshkov Vlad Khorsun * Unregistered improvement GRANTED BY clause in GRANT and REVOKE statements See also: /doc/sql.extensions/README.ddl.txt (section #9) Contributor(s): Alex Peshkov * Feature CORE-1831 New GBAK restore switches intended to fix backups with character set bugs Syntax: -FIX_FSS_D(ATA) -- fix malformed UNICODE_FSS data -FIX_FSS_M(ETADATA) -- fix malformed UNICODE_FSS metadata Contributor(s): Adriano dos Santos Fernandes * Feature CORE-1761 Support for SQLSTATE completion codes See also: /doc/README.sqlstate Contributor(s): Bill Oliver Dmitry Yemanov * Feature CORE-1760 Support for hexadecimal numeric and string literals See also: /doc/sql.extensions/README.hex_literals.txt Contributor(s): Bill Oliver Adriano dos Santos Fernandes * Features CORE-1656 and CORE-1682 New functions UUID_TO_CHAR and CHAR_TO_UUID to convert between CHAR(16) OCTETS and RFC4122-compliant form See also: /doc/sql.extensions/README.builtin_functions.txt Contributor(s): Adriano dos Santos Fernandes * Feature CORE-1527 GPRE now supports IS NOT DISTINCT predicate and CASE/NULLIF/COALESCE/SUBSTRING functions, as well as the whole set of CURRENT_ context variables Contributor(s): Stephen Boyd Adriano dos Santos Fernandes * Feature CORE-1454 ALTER mechanism for computed fields See also: /doc/sql.extensions/README.ddl.txt (section #7) Contributor(s): Adriano dos Santos Fernandes * Feature CORE-1409 Support for autonomous transactions See also: /doc/sql.extensions/README.autonomous_transactions.txt Contributor(s): Adriano dos Santos Fernandes * Feature CORE-1356 TYPE OF COLUMN in PSQL See also: /doc/sql.extensions/README.column_type_psql.txt Contributor(s): Adriano dos Santos Fernandes * Feature CORE-1221 Dynamic SQL (EXECUTE STATEMENT) with parameters See also: /doc/sql.extensions/README.execute_statement2 Contributor(s): Vlad Khorsun * Feature CORE-824 UNICODE_CI_AI: accent ignoring collation for Unicode Contributor(s): Adriano dos Santos Fernandes * Feature CORE-793 Ability to terminate client connections See also: /doc/README.monitoring_tables Contributor(s): Dmitry Yemanov * Features CORE-770 and CORE-1640 ALTER VIEW and CREATE OR ALTER VIEW statements See also: /doc/sql.extensions/README.ddl.txt (section #8) Contributor(s): Adriano dos Santos Fernandes * Feature CORE-769 SIMILAR TO predicate to support regular expressions See also: /doc/sql.extensions/README.similar_to.txt Contributor(s): Adriano dos Santos Fernandes * Feature CORE-696 New DDL statements for user account maintanance (CREATE/ALTER/DROP USER) See also: /doc/sql.extensions/README.user_management Contributor(s): Alex Peshkov * Unregistered feature Async query cancelation using new API call fb_cancel_operation() See also: /doc/sql.extensions/README.fb_cancel_operation Contributor(s): Alex Peshkov * New working mode Multi-threaded single-process architecture with separate connection caches (aka SuperClassic) See also: /doc/README.superclassic Contributor(s): Dmitry Yemanov Vlad Khorsun Alex Peshkov Nickolay Samofatov Roman Simakov