firebird-mirror/CHANGELOG.md

v5.0.1

Improvements

• #8181: Ensure the standalone CS listener on Linux uses the SO_REUSEADDR socket option
  Contributor(s): Dmitry Yemanov

• #8165: Added shutdown handler for Classic Server
  Contributor(s): Alexander Zhdanov

• #8104: More efficient evaluation of expressions like RDB$DB_KEY <= ? after mass delete
  Contributor(s): Vlad Khorsun

• #8066: Make protocol schemes case-insensitive
  Contributor(s): Vlad Khorsun

• #8061: Unnest IN/ANY/EXISTS subqueries and optimize them using semi-join algorithm
  Contributor(s): Dmitry Yemanov

• #8042: Improve conflict resolution on replica when table have both primary and unique keys
  Contributor(s): Vlad Khorsun

• #8030: Better cardinality estimation when empty data pages exist
  Contributor(s): Vlad Khorsun

• #8010: Remove gfix -cache option
  Contributor(s): Vlad Khorsun

• #7978: Update Windows distributions with zlib version 1.3.1
  Contributor(s): Vlad Khorsun

• #7928: Make TempCacheLimit setting to be per-database (not per-attachment) for SuperClassic
  Contributor(s): Vlad Khorsun

Bugfixes

• #8189: Slow connection times with a lot of simultaneous connections and active trace session present
  Contributor(s): Alex Peshkoff

• #8186: Fixed a few issues with IPC used by remote profiler
  Contributor(s): Vlad Khorsun

• #8185: SIGSEGV in Firebird 5.0.0.1306 Embedded during update on cursor
  Contributor(s): Adriano dos Santos Fernandes, Dmitry Yemanov

• #8180: Sometimes a system trace session is terminated spontaneously
  Contributor(s): Artyom Abakumov

• #8178: Fix boolean conversion to string inside DataTypeUtil::makeFromList()
  Contributor(s): Dmitry Yemanov

• #8176: Firebird 5 hangs after starting remote profiling session
  Contributor(s): Vlad Khorsun

• #8172: File include/firebird/impl/iberror_c.h is missing from the Linux x64 tar archive
  Contributor(s): Adriano dos Santos Fernandes

• #8171: Trace plugin unloaded if called method is not implemented
  Contributor(s): Vlad Khorsun

• #8168: MAKE_DBKEY bug after backup/restore
  Contributor(s): Vlad Khorsun

• #8156: Can not specify concrete IPv6 address in ES/EDS connection string.
  Contributor(s): Vlad Khorsun

• #8151: Deadlock happens when run 'List Trace Sessions' service and there are many active trace sessions
  Contributor(s): Vlad Khorsun

• #8150: Process could attach to the deleted instance of shared memory
  Contributor(s): Alexander Peshkov, Vlad Khorsun

• #8149: The hung or crash could happen when connection fires TRACE_EVENT_DETACH event and new trace session created concurrently
  Contributor(s): Vlad Khorsun

• #8138: Bugcheck when replicator state is changed concurrently
  Contributor(s): Vlad Khorsun

• #8136: Server crashes with IN (dbkey1, dbkey2, ...) condition
  Contributor(s): Dmitry Yemanov

• #8123: Procedure manipulation can lead to wrong dependencies removal
  Contributor(s): Adriano dos Santos Fernandes

• #8120: Cast dies with numeric value is out of range error
  Contributor(s): Vlad Khorsun

• #8115: Unexpected results using LEFT JOIN with WHEN function
  Contributor(s): Dmitry Yemanov

• #8114: Segfault in connections pool during server shutdown
  Contributor(s): Vlad Khorsun

• #8112: Error isc_read_only_trans (335544361) should report SQLSTATE 25006
  Contributor(s): Adriano dos Santos Fernandes

• #8110: Firebird 5 crashes on Android API level 34
  Contributor(s): Vlad Khorsun

• #8108: ICU 63.1 suppresses conversion errors
  Contributor(s): Dmitry Kovalenko

• #8101: Firebird crashes if a plugin factory returns nullptr and no error in status
  Contributor(s): Vlad Khorsun, Dimitry Sibiryakov

• #8100: The isc_array_lookup_bounds function returns invalid values for low and high array bounds
  Contributor(s): Adriano dos Santos Fernandes

• #8094: Creation index error when restore with parallels workers
  Contributor(s): Vlad Khorsun

• #8089: AV when attaching database while low of free memory
  Contributor(s): Vlad Khorsun

• #8087: AV when preparing a query with IN list that contains both literals and sub-query
  Contributor(s): Vlad Khorsun

• #8086: IN predicate with string-type elements is evaluated wrongly against a numeric field
  Contributor(s): Dmitry Yemanov

• #8085: Memory leak when executing a lot of different queries and StatementTimeout > 0
  Contributor(s): Vlad Khorsun

• #8084: Partial index uniqueness violation
  Contributor(s): Vlad Khorsun

• #8083: AV when writting into internal trace log
  Contributor(s): Vlad Khorsun

• #8079: Engine could crash when executing some trigger(s) while another attachment modifies them
  Contributor(s): Vlad Khorsun

• #8078: SIMILAR TO with constant pattern using ‘|’, ‘*’, ‘?’ or ‘{0,N}’ doesn't work as expected
  Contributor(s): Adriano dos Santos Fernandes

• #8077: Error "Too many recursion levels" does not stop execution of code that uses ON DISCONNECT trigger
  Contributor(s): Alexander Peshkov, Vlad Khorsun

• #8063: (VAR)CHAR variables/parameters assignments fail in stored procedures with subroutines
  Contributor(s): Adriano dos Santos Fernandes

• #8058: DDL changes in replication does not set the correct grantor
  Contributor(s): Dmitry Yemanov

• #8056: "Too many temporary blobs" with blob_append when select a stored procedue using rows-clause
  Contributor(s): Vlad Khorsun

• #8040: Bugcheck 183 (wrong record length) could happen on replica database after UK violation on insert
  Contributor(s): Vlad Khorsun

• #8039: Segfault when opening damaged (last TIP is missing in RDB$PAGES, user's FW was OFF) database
  Contributor(s): Alexander Peshkov

• #8037: Remove directory entries from debug symbols tarbal
  Contributor(s): Alexander Peshkov

• #8034: (re)set owner/group in tarbal of non-root builds
  Contributor(s): Alexander Peshkov

• #8033: Invalid result when string compared with indexed NUMERIC(x,y) field where x > 18 and y != 0
  Contributor(s): Alexander Peshkov

• #8027: Broken gbak statistics
  Contributor(s): Alexander Peshkov

• #8026: Crash LI-V5.0.0.1306 in libEngine13.so
  Contributor(s): Alexander Peshkov

• #8016: Free memory issued for isql command list but has never been freed on output file write
  Contributor(s):

• #8011: DECFLOAT error working with INT128 in UDR
  Contributor(s): Alexander Peshkov

• #8006: INT128 datatype not supported in FB_MESSAGE macro
  Contributor(s): Alexander Peshkov

• #8003: gbak can't backup database in ODS < 13
  Contributor(s): Vlad Khorsun

• #7998: Сrash during partial index checking if the condition raises a conversion error
  Contributor(s): Dmitry Yemanov

• #7997: Unexpected results when comparing integer with string containing value out of range of that integer datatype
  Contributor(s): Alexander Peshkov

• #7996: gbak terminates/crashes when a read error occurs during restore
  Contributor(s): Vlad Khorsun

• #7995: Unexpected results after creating partial index
  Contributor(s): Dmitry Yemanov

• #7993: Unexpected results when using CASE WHEN with RIGHT JOIN
  Contributor(s): Dmitry Yemanov

• #7992: Assertion (space > 0) failure during restore
  Contributor(s): Vlad Khorsun

• #7985: Hang in case of error when sweep thread is attaching to database (CS case)
  Contributor(s): Alexander Peshkov

• #7979: Hang when database with disconnect trigger using MON$ tables is shutting down
  Contributor(s): Alexander Peshkov

• #7976: False validation error for short unpacked records
  Contributor(s): Dmitry Yemanov

• #7974: Restore of wide table can fail with "adjusting an invalid decompression length from to "
  Contributor(s): Vlad Khorsun

• #7969: Characters are garbled when replicating fields with type BLOB SUB_TYPE TEXT if the character set of the connection and the field are different
  Contributor(s): Dmitry Yemanov

• #7962: System procedure/function inconsistency between SHOW FUNCTIONS and SHOW PROCEDURES in isql
  Contributor(s):

• #7950: Unable to restore database when .fbk was created on host with other ICU
  Contributor(s): Alexander Peshkov

• #7942: Error: database file appears corrupted after restore from backup
  Contributor(s): Vlad Khorsun

• #7937: Inner join raises error "no current record for fetch operation" if a stored procedure depends on some table via input parameter and also has an indexed relationship with another table
  Contributor(s): Dmitry Yemanov

• #7927: Some default values is set incorrectly for SC/CS architectures
  Contributor(s): Vlad Khorsun

• #7921: FB5 uses PK for ordered plan even if less count of fields matching index exists
  Contributor(s): Dmitry Yemanov

• #7899: Inconsistent state of master-detail occurs after RE-connect + 'SET AUTODDL OFF' + 'drop ' which is ROLLED BACK
  Contributor(s): Vlad Khorsun

• #7896: replication.log remains empty (and without any error in firebird.log) until concurrent FB instance is running under different account and generates segments on its master. Significant delay required after stop concurrent FB it in order allow first one to write in its replication log.
  Contributor(s): Vlad Khorsun

• #7873: Wrong memory buffer alignment and I/O buffer size when working in direct I/O mode
  Contributor(s): Vlad Khorsun

• #7869: GBAK can write uninitialized data into RDB$RETURN_ARGUMENT and RDB$ARGUMENT_POSITION fields
  Contributor(s): Dmitry Kovalenko

• #7863: Non-correlated sub-query is evaluated multiple times if it is based on a VIEW rather than on appropriate derived table
  Contributor(s): Dmitry Yemanov

• #7394: autoconf 2.72
  Contributor(s): Alexander Peshkov

v5.0 Final Release

(no changes)

v5.0 Release Candidate 2

Improvements

• #7918: Allow to configure Firebird in posix using relative directories with options --with-fb*
  Contributor(s): Adriano dos Santos Fernandes

• #7910: Add backward compatibility option that disables joins transformation
  Contributor(s): Dmitry Yemanov

• #7854: Performance issue with time zones
  Contributor(s): Adriano dos Santos Fernandes, Vlad Khorsun

• #7819: Difficulty returning the product version with the legacy connection
  Contributor(s): Vlad Khorsun

• #7818: Extend rdb$get_context('SYSTEM', '***') with other info from MON$ATTACHMENT
  Contributor(s): Vlad Khorsun

• #7814: Don't update database-level statistics on every page cache operation
  Contributor(s): Vlad Khorsun

• #7810: Improve SKIP LOCKED implementation
  Contributor(s): Vlad Khorsun

• #7755: Update Windows distribution with new zlib version 1.3 (released 2023-08-18)
  Contributor(s): Vlad Khorsun

Bugfixes

• #7917: Hang in a case of error when the sweep thread is attaching the database
  Contributor(s): Alexander Peshkov

• #7905: Segfault during TIP cache initialization
  Contributor(s): Alexander Peshkov

• #7904: FB5 bad plan for query
  Contributor(s): Dmitry Yemanov

• #7903: Unexpected Results when Using CASE-WHEN with LEFT JOIN
  Contributor(s): Dmitry Yemanov

• #7885: Unstable error messages in services due to races related with service status vector
  Contributor(s): Alexander Peshkov

• #7879: Unexpected Results when Using Natural Right Join
  Contributor(s): Dmitry Yemanov

• #7867: Error "wrong page type" during garbage collection on v4.0.4
  Contributor(s): Ilya Eremin

• #7860: Crash potentially caused by BETWEEN Operator
  Contributor(s): Vlad Khorsun

• #7853: Do not consider non-deterministic expressions as invariants in pre-filters
  Contributor(s): Dmitry Yemanov

• #7851: [FB1+, GBAK, Restore] The skip of att_functionarg_field_precision does not check RESTORE_format
  Contributor(s): Dmitry Kovalenko

• #7846: FB4 can't backup/restore int128-array
  Contributor(s): Dmitry Kovalenko

• #7844: Removing first column with SET WIDTH crashes ISQL
  Contributor(s): Adriano dos Santos Fernandes

• #7839: Potential bug in BETWEEN Operator
  Contributor(s): Vlad Khorsun

• #7832: Firebird 5 and 6 crash on "... RETURNING * " without INTO in PSQL
  Contributor(s): Adriano dos Santos Fernandes

• #7831: Incorrect type of UDF-argument with array
  Contributor(s): Dmitry Kovalenko

• #7827: Problem using python firebird-driver with either intel or m1 Mac buiilds with version 4.0.3 or 5.0+
  Contributor(s): Adriano dos Santos Fernandes

• #7817: Memory leak is possible for UDF array arguments
  Contributor(s): Dmitry Yemanov

• #7812: Service backup does not work in multiple engines configuration
  Contributor(s): Alexander Peshkov

• #7800: Default publication status is not preserved after backup/restore
  Contributor(s): Dmitry Yemanov

• #7795: NOT IN returns incorrect result if NULLs are present inside the value list
  Contributor(s): Dmitry Yemanov

• #7779: Firebird 4.0.3 is constantly crashing with the same symptoms (fbclient.dll) (incl. DMP File Analysis)
  Contributor(s): Vlad Khorsun

• #7772: Blob corruption in FB 4.0.3 (embedded)
  Contributor(s): Vlad Khorsun

• #7770: restore takes 25% more time vs 4.0.0
  Contributor(s): Vlad Khorsun

• #7767: Slow drop trigger command execution under FB5.0
  Contributor(s): Dmitry Yemanov

• #7762: Crash on "Operating system call pthread_mutex_destroy failed. Error code 16" in log
  Contributor(s): Alexander Peshkov

• #7761: Regression when displaying line number of errors in ISQL scripts
  Contributor(s): Adriano dos Santos Fernandes

• #7760: Parameters inside the IN list may cause a string truncation error
  Contributor(s): Dmitry Yemanov

• #7759: Routine calling overhead increased by factor 6 vs Firebird 4.0.0
  Contributor(s): Adriano dos Santos Fernandes

• #7461: Differencies in field metadata descriptions between Firebird 2.5 and Firebird 4
  Contributor(s): Dmitry Yemanov

v5.0 Release Candidate 1

New features

• #7682: Use ParallelWorkers setting from firebird.conf as default for all parallelised operations
  Contributor(s): Vlad Khorsun

• #7469: Make Android port (client / embedded) work inside apps
  Contributor(s): Adriano dos Santos Fernandes

• #5959: Add support for QUARTER to EXTRACT, FIRST_DAY and LAST_DAY
  Contributor(s): Adriano dos Santos Fernandes

Improvements

• #7752: Avoid the access path information inside the PLG$PROF_RECORD_SOURCES table from being truncated to 255 characters
  Contributor(s): Adriano dos Santos Fernandes

• #7720: MacOS: build libicu and static libc++ using vcpkg
  Contributor(s): Adriano dos Santos Fernandes

• #7707: Better processing and optimization if IN <list> predicates
  Contributor(s): Dmitry Yemanov

• #7692: Make trace config parser resolve symlinks in database file path in trace configuration
  Contributor(s): Vlad Khorsun

• #7688: Profiler should not miss query's top-level access paths nodes
  Contributor(s): Adriano dos Santos Fernandes

• #7687: Add LEVEL column to PLG$PROF_RECORD_SOURCES and PLG$PROF_RECORD_SOURCE_STATS_VIEW
  Contributor(s): Adriano dos Santos Fernandes

• #7685: Add overload FbVarChar::set function for non null-terminated string
  Contributor(s): Adriano dos Santos Fernandes

• #7680: Make boot build on Windows a bit more user-friendly
  Contributor(s): Vlad Khorsun

• #7652: Make the profiler store aggregated requests by default, with option for detailed store
  Contributor(s): Adriano dos Santos Fernandes

• #7642: Getting the current DECFLOAT ROUND/TRAPS settings
  Contributor(s): Alexander Peshkov

• #7637: Run as application not specifying switch -a
  Contributor(s): Vlad Khorsun

• #7634: Include Performance Cores only in default affinity mask
  Contributor(s): Vlad Khorsun

• #7576: Allow nested parenthesized joined table
  Contributor(s): Mark Rotteveel

• #7559: Optimize creation of expression and partial indices
  Contributor(s): Dmitry Yemanov

• #7550: Add support for -parallel in combination with gfix -icu
  Contributor(s): Vlad Khorsun

• #7542: Compiler warnings raise when build cloop generated Firebird.pas in RAD Studio 11.3
  Contributor(s): Vlad Khorsun

• #7539: RDB$GET/SET_CONTEXT(): enclosing in apostrophes or double quotes of a missed namespace/variable will make output more readable
  Contributor(s): Vlad Khorsun

• #7536: Add ability to query current value of parallel workers for an attachment
  Contributor(s): Vlad Khorsun

• #7506: Reduce output of the SHOW GRANTS command
  Contributor(s): Artyom Ivanov

• #7494: Firebird performance issue - unnecessary index reads
  Contributor(s): Vlad Khorsun

• #7475: SHOW SYSTEM command: provide list of functions belonging to system packages
  Contributor(s): Alexander Peshkov

• #7466: Add COMPILE trace events for procedures/functions/triggers
  Contributor(s): Dmitry Yemanov

• #7425: Add REPLICA MODE to the output of the isql SHOW DATABASE command
  Contributor(s): Dmitry Yemanov

• #7405: Surface internal optimization modes (all rows vs first rows) at the SQL and configuration levels
  Contributor(s): Dmitry Yemanov

• #7213: Use Windows private namespace for kernel objects used in server-to-server IPC
  Contributor(s): Vlad Khorsun

• #7046: Make ability to add comment to mapping (COMMENT ON MAPPING ... IS ...)
  Contributor(s): Alexander Peshkov

• #7001: ISQL showing publication status
  Contributor(s): Dmitry Yemanov

Bugfixes

• #7747: Fix an issue where the garbage collection in indexes and blobs is not performed in VIO_backout
  Contributor(s): Ilya Eremin

• #7738: Crash on multiple connections/disconnections
  Contributor(s): Alexander Peshkov

• #7737: Fix cases where the precedence relationship between a record page and a blob page is not set
  Contributor(s): Ilya Eremin

• #7731: Display length of timestamp with timezone is wrong in dialect 1
  Contributor(s): Alexander Peshkov

• #7730: Server ignores the size of VARCHAR when performing SET BIND ... TO VARCHAR(N)
  Contributor(s): Alexander Peshkov

• #7729: SET BIND OF TS WITH TZ TO VARCHAR(128) uses the date format of dialect 1
  Contributor(s): Alexander Peshkov

• #7727: Index for integer column cannot be used when INT128/DECFLOAT value is being searched
  Contributor(s): Dmitry Yemanov

• #7723: Wrong error message on login if the user doesn't exists and WireCrypt is disabled
  Contributor(s): Alexander Peshkov

• #7713: FOR SELECT statement can not see any changes made in DO block
  Contributor(s): Vlad Khorsun

• #7710: Expression index - more than one null value cause attempt to store duplicate value error - FB5.0 beta 2
  Contributor(s): Vlad Khorsun

• #7703: Requests leak in AutoCacheRequest
  Contributor(s): Alexander Peshkov

• #7696: select from external procedure validates output parameters even when fetch method returns false
  Contributor(s): Adriano dos Santos Fernandes

• #7694: Fix false positives of "missing entries for record X" error during index validation when a deleted record version is committed and has a backversion
  Contributor(s): Ilya Eremin

• #7691: with caller privileges has no effect in triggers
  Contributor(s): Alexander Peshkov

• #7683: rdb$time_zone_util.transitions returns an infinite resultset
  Contributor(s): Adriano dos Santos Fernandes

• #7676: "Attempt to evaluate index expression recursively"
  Contributor(s): Dmitry Yemanov

• #7670: Cursor name can duplicate parameter and variable names in procedures and functions
  Contributor(s): Adriano dos Santos Fernandes

• #7665: Wrong result ordering in LEFT JOIN query
  Contributor(s): Dmitry Yemanov

• #7664: DROP TABLE executed for a table with big records may lead to "wrong page type" or "end of file" error
  Contributor(s): Vlad Khorsun, Ilya Eremin

• #7662: Fix performance issues in prepare_update()
  Contributor(s): Ilya Eremin

• #7661: Classic Server rejects new connections
  Contributor(s): Vlad Khorsun

• #7658: Segfault when closing database in valgrind-enabled build
  Contributor(s): Alexander Peshkov

• #7649: Switch Linux performance counter timer to CLOCK_MONOTONIC_RAW
  Contributor(s): Adriano dos Santos Fernandes

• #7641: Fix wrong profiler measurements due to overflow.
  Contributor(s): Adriano dos Santos Fernandes

• #7638: OVERRIDING USER VALUE should be allowed for GENERATED ALWAYS AS IDENTITY
  Contributor(s): Adriano dos Santos Fernandes

• #7627: The size of the database with big records becomes bigger after backup/restore
  Contributor(s): Ilya Eremin

• #7626: Segfault when new attachment is done to shutting down database
  Contributor(s): Alexander Peshkov

• #7611: Can't backup/restore database from v3 to v4 with SEC$USER_NAME field longer than 10 characters
  Contributor(s): Adriano dos Santos Fernandes

• #7610: Uninitialized/random value assigned to RDB$ROLES -> RDB$SYSTEM PRIVILEGES when restoring from FB3 backup
  Contributor(s): Adriano dos Santos Fernandes

• #7604: PSQL functions do not convert the output BLOB to the connection character set.
  Contributor(s): Adriano dos Santos Fernandes

• #7603: BIN_SHR on INT128 does not apply sign extension
  Contributor(s): Alexander Peshkov

• #7599: Conversion of text with '\0' to DECFLOAT without errors
  Contributor(s): Alexander Peshkov

• #7598: DDL statements hang when the compiled statements cache is enabled
  Contributor(s): Vlad Khorsun

• #7582: Missing isc_info_end in Firebird.pas
  Contributor(s): Alexander Peshkov

• #7579: Cannot nbackup a firebird 3.0 database in firebird 4.0 service with engine12 setup in Providers
  Contributor(s): Alexander Peshkov

• #7574: Derived table syntax allows dangling AS
  Contributor(s): Adriano dos Santos Fernandes

• #7569: Multi-level order by and offset/fetch ignored on parenthesized query expressions
  Contributor(s): Adriano dos Santos Fernandes

• #7562: Profiler elapsed times are incorrect in Windows
  Contributor(s): Adriano dos Santos Fernandes

• #7556: FB Classic can hang when attempts to attach DB while it is starting to encrypt/decrypt
  Contributor(s): Alexander Peshkov

• #7555: Invalid configuration for random fresh created database may be used after drop of another one with alias in databases.conf
  Contributor(s): Alexander Peshkov

• #7554: Firebird 5 partial index creation causes server hang up
  Contributor(s): Vlad Khorsun

• #7553: Firebird 5 profiler error with subselects
  Contributor(s): Adriano dos Santos Fernandes

• #7548: SET BIND OF TIMESTAMP WITH TIME ZONE TO CHAR is not working with UTF8 connection charset
  Contributor(s): Adriano dos Santos Fernandes

• #7537: Wrong name in error message when unknown namespace is passed into RDB$SET_CONTEXT()
  Contributor(s): Vlad Khorsun

• #7535: High CPU usage connect to Firebird 3 database using Firebird 4 Classic and SuperClassic service
  Contributor(s): Vlad Khorsun

• #7514: Segfault when detaching after deleting shadow on Classic
  Contributor(s): Alexander Peshkov

• #7504: Segfault when closing SQL statement in remote provider during shutdown
  Contributor(s): Alexander Peshkov

• #7499: Problem with restore
  Contributor(s): Vlad Khorsun

• #7488: Invalid real to string cast
  Contributor(s): Alexander Peshkov, Artyom Abakumov

• #7486: No initialization of rpb's runtime flags causes problems with SKIP LOCKED when config ReadConsistency = 0 and SuperServer
  Contributor(s): Adriano dos Santos Fernandes

• #7484: External engine SYSTEM not found
  Contributor(s): Adriano dos Santos Fernandes

• #7480: Firebird server stops accepting new connections after some time
  Contributor(s): Alexander Peshkov

• #7472: Window functions may lead to crash interacting with others exceptions
  Contributor(s): Adriano dos Santos Fernandes

• #7464: Crash on repeating update in 5.0
  Contributor(s): Adriano dos Santos Fernandes

• #7456: Impossible drop function in package with name of PSQL-function
  Contributor(s): Adriano dos Santos Fernandes

• #7445: Fix problem with client-only build requiring btyacc's generated files present
  Contributor(s): Adriano dos Santos Fernandes

• #7387: Unreliable replication behaviour in Linux Classic
  Contributor(s): Dmitry Yemanov

• #7233: Postfix for #5385 (CORE-5101): Fix slow database restore when Classic server mode is used
  Contributor(s): Ilya Eremin

v5.0 Beta 1 (27-Mar-2023)

New features

• #7447: Parallel sweeping and index creation inside the engine
  Reference(s): /doc/README.parallel_features
  Contributor(s): Vlad Khorsun

• #7397: Inline minor ODS upgrade
  Contributor(s): Dmitry Yemanov

• #7350: SKIP LOCKED clause for SELECT WITH LOCK, UPDATE and DELETE
  Reference(s): /doc/sql.extensions/README.skip_locked.md
  Contributor(s): Adriano dos Santos Fernandes

• #7216: New built-in function BLOB_APPEND
  Reference(s): /doc/sql.extensions/README.blob_append.md
  Contributor(s): Vlad Khorsun

• #7144: Compiled statement cache
  Contributor(s): Adriano dos Santos Fernandes

• #7086: PSQL and SQL profiler
  Reference(s): /doc/sql.extensions/README.profiler.md
  Contributor(s): Adriano dos Santos Fernandes

• #7050: Add table MON$COMPILED_STATEMENTS and column MON$COMPILED_STATEMENT_ID to both MON$STATEMENTS and MON$CALL_STACK tables
  Reference(s): /doc/README.monitoring_tables
  Contributor(s): Adriano dos Santos Fernandes

• #6910: Add way to retrieve statement BLR with Statement::getInfo and ISQL's SET EXEC_PATH_DISPLAY BLR
  Contributor(s): Adriano dos Santos Fernandes

• #6798: Add built-in functions UNICODE_CHAR and UNICODE_VAL to convert between Unicode code point and character
  Reference(s): /doc/sql.extensions/README.builtin_functions.txt
  Contributor(s): Adriano dos Santos Fernandes

• #6713: System table RDB$KEYWORDS with keywords [CORE6482]
  Contributor(s): Adriano dos Santos Fernandes

• #6681: Support for WHEN NOT MATCHED BY SOURCE for MERGE statement [CORE6448]
  Reference(s): /doc/sql.extensions/README.merge.txt
  Contributor(s): Adriano dos Santos Fernandes

• #3750: Partial indices [CORE3384]
  Reference(s): /doc/sql.extensions/README.partial_indices
  Contributor(s): Dmitry Yemanov, Vlad Khorsun

• #1783: New GBAK switch to backup / restore tables/indexes in parallel
  Reference(s): /doc/README.gbak
  Contributor(s): Vlad Khorsun

Improvements

• #7441: More cursor-related details in the plan output
  Contributor(s): Dmitry Yemanov

• #7437: Update zlib to 1.2.13
  Contributor(s): Vlad Khorsun

• #7411: Unify display of system procedures & packages with other system objects
  Contributor(s): Alexander Peshkov

• #7399: Simplify client library build
  Contributor(s): Adriano dos Santos Fernandes

• #7382: Performance improvement for BLOB copying
  Contributor(s): Adriano dos Santos Fernandes

• #7331: Cost-based choice between nested loop join and hash join
  Contributor(s): Dmitry Yemanov

• #7294: Allow FB-known macros in replication.conf
  Contributor(s): Dmitry Yemanov

• #7293: Create Android packages with all necessary files in all architectures (x86, x64, arm32, arm64)
  Contributor(s): Adriano dos Santos Fernandes

• #7284: Change release filenames as the following examples
  Contributor(s): Adriano dos Santos Fernandes

• #7259: Remove TcpLoopbackFastPath and use of SIO_LOOPBACK_FAST_PATH
  Contributor(s): Vlad Khorsun

• #7208: Trace: provide performance statistics for DDL statements
  Contributor(s): Vlad Khorsun

• #7194: Make it possible to avoid fbclient dependency in pascal programs using firebird.pas
  Contributor(s): Alexander Peshkov

• #7186: Nbackup RDB$BACKUP_HISTORY cleanup
  Contributor(s): Vlad Khorsun

• #7169: Improve ICU version mismatch diagnostics
  Contributor(s): Adriano dos Santos Fernandes

• #7168: Ignore missing UDR libraries during restore
  Contributor(s): Adriano dos Santos Fernandes

• #7165: Provide ability to see in the trace log events related to missing security context
  Contributor(s): Vlad Khorsun

• #7093: Improve indexed lookup speed of strings when the last keys characters are part of collated contractions
  Contributor(s): Adriano dos Santos Fernandes

• #7092: Improve performance of CURRENT_TIME
  Contributor(s): Adriano dos Santos Fernandes

• #7083: ResultSet::getInfo() implementation
  Contributor(s): Dmitry Yemanov

• #7065: Connection hangs after delivery of 256GB of data
  Contributor(s): Alexander Peshkov

• #7051: Network support for bi-directional cursors
  Contributor(s): Dmitry Yemanov

• #7046: Make ability to add comment to mapping ('COMMENT ON MAPPING ... IS ...')
  Contributor(s): Alexander Peshkov

• #7042: ON DISCONNECT triggers are not executed during forced attachment shutdown
  Contributor(s): Ilya Eremin

• #7041: Firebird port for Apple M1
  Contributor(s): Adriano dos Santos Fernandes

• #7038: Improve performance of STARTING WITH with insensitive collations
  Contributor(s): Adriano dos Santos Fernandes

• #7025: Results of negation must be the same for each datatype (smallint / int / bigint / int128) when argument is least possible value for this type
  Contributor(s): Alexander Peshkov

• #6992: Transform OUTER joins into INNER ones if the WHERE condition violates the outer join rules
  Contributor(s): Dmitry Yemanov

• #6959: IBatch::getInfo() implementation
  Contributor(s): Alexander Peshkov

• #6957: Add database creation time to the output of ISQL's command SHOW DATABASE
  Contributor(s): Vlad Khorsun

• #6954: fb_info_protocol_version support
  Contributor(s): Alexander Peshkov

• #6929: Add support of PKCS v.1.5 padding to RSA functions, needed for backward compatibility with old systems.
  Contributor(s): Alexander Peshkov

• #6915: Allow attribute DISABLE-COMPRESSIONS in UNICODE collations
  Contributor(s): Adriano dos Santos Fernandes

• #6903: Unable to create ICU-based collation with locale keywords
  Contributor(s): tkeinz, Adriano dos Santos Fernandes

• #6874: Literal 65536 (interpreted as int) can not be multiplied by itself w/o cast if result more than 2^63-1
  Contributor(s): Alexander Peshkov

• #6873: SIMILAR TO should use index when pattern starts with non-wildcard character (as LIKE does)
  Contributor(s): Adriano dos Santos Fernandes

• #6872: Faster execution of indexed STARTING WITH with UNICODE collation
  Contributor(s): Adriano dos Santos Fernandes

• #6815: Support multiple rows for DML RETURNING
  Contributor(s): Adriano dos Santos Fernandes

• #6810: Use precise limit of salt length when signing messages and verifying the sign
  Contributor(s): Alexander Peshkov

• #6809: Integer hex-literal support for INT128
  Contributor(s): Alexander Peshkov

• #6794: Improvement: add MON$SESSION_TIMEZONE to MON$ATTACHMENTS
  Contributor(s): Adriano dos Santos Fernandes

• #6740: Allow parenthesized query expression for standard-compliance [CORE6511]
  Contributor(s): Adriano dos Santos Fernandes

• #6730: Trace: provide ability to see STATEMENT RESTART events (or their count) [CORE6500]
  Contributor(s): Vlad Khorsun

• #6571: Improve memory consumption of statements and requests [CORE6330]
  Contributor(s): Adriano dos Santos Fernandes

• #5589: Support full SQL standard character string literal syntax [CORE5312]
  Contributor(s): Adriano dos Santos Fernandes

• #5588: Support full SQL standard binary string literal syntax [CORE5311]
  Contributor(s): Adriano dos Santos Fernandes

• #4769: Allow sub-routines to access variables/parameters defined at the outer/parent level [CORE4449]
  Contributor(s): Adriano dos Santos Fernandes

• #4723: Optimize the record-level RLE algorithm for a denser compression of shorter-than-declared strings and sets of subsequent NULLs [CORE4401]
  Contributor(s): Dmitry Yemanov

• #1708: Avoid data retrieval if the WHERE clause always evaluates to FALSE [CORE1287]
  Contributor(s): Dmitry Yemanov

• #281: RDB$BLOB_UTIL system package
  Contributor(s): Adriano dos Santos Fernandes

Bugfixes

• #7388: Different invariants optimization between views and CTEs
  Contributor(s): Dmitry Yemanov

• #7314: Multitreaded activating indices restarts server process
  Contributor(s): Vlad Khorsun

• #7304: Events in system attachments (like garbage collector) are not traced
  Contributor(s): Alexander Peshkov

• #7298: Info result parsing
  Contributor(s): Alexander Peshkov

• #7296: During shutdown op_disconnect may be sent to invalid handle
  Contributor(s): Alexander Peshkov

• #7295: Unexpected message 'Error reading data from the connection' when fbtracemgr is closed using Ctrl-C
  Contributor(s): Alexander Peshkov

• #7283: Suspicious error message during install
  Contributor(s): Alexander Peshkov

• #7262: Repeated op_batch_create leaks the batch
  Contributor(s): Alexander Peshkov

• #7045: International characters in table or alias names causes queries of MON$STATEMENTS to fail
  Contributor(s): Adriano dos Santos Fernandes

• #6968: On Windows, engine may hung when works with corrupted database and read after the end of file
  Contributor(s): Vlad Khorsun

• #6854: Crash occurs when use SIMILAR TO
  Contributor(s): Adriano dos Santos Fernandes

• #6845: Result type of AVG over BIGINT column results in type INT128
  Contributor(s): Alexander Peshkov

• #6838: Deleting multiple rows from a view with triggers may cause triggers to fire just once
  Contributor(s): Dmitry Yemanov

• #6836: fb_shutdown() does not wait for self completion in other thread
  Contributor(s): Alexander Peshkov

• #6832: Segfault using "commit retaining" with GTT
  Contributor(s): Alexander Peshkov

• #6825: Correct error message for DROP VIEW
  Contributor(s): Ilya Eremin

• #6817: -fetch_password passwordfile does not work with gfix
  Contributor(s): Alexander Peshkov

• #6807: Regression in FB 4.x : "Unexpected end of command" with incorrect line/column info
  Contributor(s): Adriano dos Santos Fernandes

• #6801: Error recompiling a package with some combination of nested functions
  Contributor(s): Adriano dos Santos Fernandes

• #5749: Token unknown error on formfeed in query [CORE5479]
  Contributor(s): Adriano dos Santos Fernandes

• #5534: String truncation exception on UPPER/LOWER functions, UTF8 database and some multibyte characters [CORE5255]
  Contributor(s): Adriano dos Santos Fernandes

• #5173: Compound ALTER TABLE statement with ADD and DROP the same constraint failed if this constraint involves index creation (PK/UNQ/FK) [CORE4878]
  Contributor(s): Ilya Eremin

• #5082: Exception "too few key columns found for index" raises when attempt to create table with PK and immediatelly drop this PK within the same transaction [CORE4783]
  Contributor(s): Ilya Eremin

• #4893: Syntax error when UNION subquery ("query primary") in parentheses [CORE4577]
  Contributor(s): Adriano dos Santos Fernandes

• #4085: RDB$INDICES information stored inconsistently after a CREATE INDEX [CORE3741]
  Contributor(s): Dmitry Yemanov

• #3886: RECREATE TABLE T with PK or UK is impossible after duplicate typing w/o commit when ISQL is launched in AUTODDL=OFF mode [CORE3529]
  Contributor(s): Ilya Eremin

• #3812: Query with SP doesn't accept explicit plan [CORE3451]
  Contributor(s): Dmitry Yemanov

• #3357: Bad execution plan if some stream depends on multiple streams via a function [CORE2975]
  Contributor(s): Dmitry Yemanov

• #1210: Server hangs on I/O error during "open" operation for file "/tmp/firebird/fb_trace_ksVDoc" [CORE2917]
  Contributor(s): Alexander Peshkov

• #3218: Optimizer fails applying stream-local predicates before merging [CORE2832]
  Contributor(s): Dmitry Yemanov

Cleanup

• #7082: Remove the WNET protocol
  Contributor(s): Dmitry Yemanov

• #6840: Remove QLI
  Contributor(s): Adriano dos Santos Fernandes