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Ред База Данных 5 - 5.2.0

04/08/2026

Changelog:

Update Kafka CDC connector to 2.0.1

• Implement live streaming without keeping logs. RS-235687.
• Do not delete replication log file if kafka producer failed to initialize. RS-235687.

Fixed

• Fix integer truncation in convertLength buffer size calculation. RS-283113.
• Do not connect to the database if the replication configuration is incorrect. FB-8381.
• Сorrection of implementation inaccuracy. RS-285001.
• Incorrect calculation of last used page when database contains only one PIP. FB-8949.
• Fix gbak output some errors and warnings to stderr instead of stdout. RS-258847.
• Errors don't have enough time to be printed. RS-283138.
• Incorrect calculation of last used page. FB-8772.
• Firebird 5.0.4 snapshot (build 1784) performance issue. FB-8948.
• Use of some switches with parameter in gbak's command line before name of database in -SE mode breaks access to databases with non-default security database. FB-8903.
• Remove security class and user privileges from the domain being dropped. Don't grant USAGE permissions (and don't create a security class) for implicit domains (both related to FB-8881: Large amount of unnecessary privileges).
• Cast page to real type in page_validation_error(). RS-242585.
• Fix a deadlock when moving several indexes to another tablespace in a single transaction. RS-282944.
• Add missing sql string copy when charset conversion is not needed. RS-283082.
• Fix incorrect page number in error "Page . . is used but marked free" during gfix validation.
• Rework the fix for FB-7937 and FB-8036 to address regressions FB-8535 (OuterJoinConversion = true causes performance regression) and FB-8821 (natural plan instead of primary/unique index). FB-8535, FB-8821.
• Fix ability to restore invalid PSQL objects. RS-278482.
• Ensure sequences are replicated even if changed in de-facto read-only transactions. FB-8858.
• Backport a bit more code from master. This fixes FB-8914: SELECT with multiple EXISTS sub-queries fails in case of SubQueryConversion = true.
• Wrong result in case of SubQueryConversion = true. FB-8911.
• Result of cross join of two procedures + unioned with common datasource (e.g. rdb) is wrong. FB-8891.
• Fix missing journal statistics.
• Fix zero stats in the WAITFLUSH_TRANSFER counter.
• Rework get/check status functions in replication to avoid unnecessary ping roundtrips.
• Fix missing flush for the journal and crash in the I/O thread.
• Move the entire replication flushing to the dedicated thread, thus making it more asynchronous.
• Password expiration check should be performed regardless of the AUTH_FACTORS parameter. RS-278051.
• Bugcheck during nbackup under high load. FB-8901.
• Fix copying orphan (not in PP) data pages into a new tablespace.
• Recursive search initiated by user with the same name as it's role. RS-276105.
• Avoid recursive lock of Sync object on worker detach.
• Fix leaks handles of replication applied directory. RS-265959.
• Fix the skip of external routines during restore. RS-272277.
• Add pagespace stats snapshot to minimize delay between queries. RS-268275.
• Restore BLOCK_PREPARE_TRANS flag for sync replication. RS-270942.
• 'Internal error' when calling outer procedure after deleting unused result variable from inner procedure. FB-8851.
• Fix the cardinality estimation (FIRST ROWS case) in HASH JOINs.
• Fix cardinality estimation for the invariant filter.
• Check engine availability when restoring external routines. RS-264532.
• Add missing status vector clearing for JSON ON ERROR clauses. RS-272796.
• Retrying fallocate after interruption. RS-269923.
• Change Replication::Info::active type to SINT64 because it should take negative values.
• Move processing of JSON RETURNING clause on JSON side. RS-242035.
• Fix the ability for users to create themselves in other user managers. RS-269741.
• Fix file name in UTF-8 encoding for gstat. FB-8829.
• appendTableCounts() refactoring, make counters output flexible. RS-265107.
• get_number() throw error when get no digit symbol. RS-233083.
• Fixed potential endless loop inside MET_scan_relation: when relation is system-defined and its ODS is greater than ODS of current database.
• Avoid an infinite loop during table rescan.
• Backup has the same record size calculation algorithm as restore. RS-261763.
• Omit non-ascii symbols when converting unknown CS to UTF8. RS-261278.
• Proper filling of SEC$ADMIN field for users with RDB$DBADMIN and RDB$SYSADMIN roles. RS-254599.
• Postfix for FB-8430. FB-8752.
• Called procedure parameter changes during execution without assignment when deleting from updatable view in Firebird 5. FB-8794.
• Fix restore of relations located in tablespaces when -O option is used. RS-253954.
• Lost ODS version check has been returned. RS-253843.
• Fix file truncation errors during replication in Windows CS.
• Added more information output about an error. RS-251271.
• Correction for passing zero-length SQL to trace. FB-8748.
• Fix error handling in the directory iterator on Windows. Fix incorrect timeout setting for no-space retries in the changelog. Thanks to Vlad Khorsun.
• Show system procedure usage with mask is fixed. RS-252849.
• Get the modification time of a config file with a higher precision to fix cases when it's not reloaded after modification/replacement. FB-8553.
• Prevent SIGFAULT from pools_sync dereference in unit tests at debug build.
• Replace wrong uses of SQLstate class 08 (connection error). FB-8739.
• Add replication journal cleanup when drop database. FB-8626. RS-196883.
• Fix SQL length initialization for trace prepare event. FB-8738.
• Added support for < nul for ReadConsoleW. RS-245762.
• Replication error is raised for CREATE TABLE . . EXTERNAL if the specified disk does not exist on the replica host. FB-8726.
• Add detach replica to shutdown function. FB-8688.
• createDirectory fixed an alignment bug. RS-246140.
• UDF not working on macOS. FB-8712. FB-8705.
• Replace 32-bit offset calculation with 64-bit in PIO_extend. FB-8709.
• Fixed PERCENT_RANK computation. FB-8971.
• I/O error during journal segment flush is ignored. RS-287066.
• This should fix issue with disconnect after event processing as shown by Adriano in firebird-devel.
• Replication stops if GRANT issued by NON-DBA user who has ADMIN role and appropriate object (table, etc) belongs to another user. FB-8867.
• Query issue conversion error from string. FB-7916.
• 'invalid request BLR' puts actual error (and procedure where it happened) at the end where it is truncated by ISC API. FB-8895.
• Check plugin name for directory separator and path component.

Improved

• Allow isc_tpb_read_consistency to imply read committed. FB-8746.
• Add output of the last commit position to rdbreplmgr.
• Add gbak TS restore options to service manager. RS-262321.
• Extend gbak output about compression plugin. RS-262455.
• Increase isql max password length.
• Allow to use RDB$RECORD_VERSION in triggers, indices and RETURNING.
• Backport the remaining fixes and improvements (related to semi-joins) from the master.
• Add warning that not recommended use compression levels greater 19 for zstd. RS-282871.
• Password censorship at the parsing stage. RS-274970.
• Security virtual tables now have access control. RS-256498.
• Update Windows distributions with zlib version 1.3.2. FB-8922.
• Update tzdata to version 2026a. FB-8924.

Added

• Collision list sorting to the total hash join cost.
• Extend authentication logging when the TraceAuthentication parameter is enabled. RS-191400.
• New virtual table SEC$USER_POLICY. RS-237884.
• API method Util::convert. FB-8898.
• New performance info marks, advanced performance info. RS-247842.
• Auth plugin for OpenIDConnect. RS-27895.