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Software-update: Firebird 2.5.8

Firebird logo (75 pix)Bekende databases om grote hoeveelheden gegevens in op te slaan zijn natuurlijk de database van Oracle, de DB2-database van IBM en SQL Server van Microsoft. Een ander database management system is Firebird, dat de Interbase-database van Inprise als oorsprong heeft. Inprise werd later bekend als Borland Software en heet tegenwoordig Micro Focus. De geschiedenis, voor zover relevant voor Firebird, is op deze pagina na te lezen. Deze relationele database kan worden geïnstalleerd op verschillende besturingssystemen, waaronder het Linux- en het Windows-platform, waardoor hij breed kan worden ingezet. De ontwikkelaars hebben versie 2.5.8 uitgebracht, met de volgende aanpassingen:

Improvements
  • (CORE-5674) Common Table Expressions are now allowed to be left unused.
  • (CORE-5640) Multiple simultaneous new connections to a database in Superclassic no longer cause a response bottleneck for one another.
  • (CORE-5629) Output from gstat now includes the date and time of analysis.
  • (CORE-5543) Restoring a pre ODS 11.1 database now correctly populates RDB$RELATION_TYPE field in the metadata.
Bugfixes

Core Engine
  • (CORE-5685) It was sometimes not possible to cancel or kill the connection in which an external query was executing.
  • (CORE-5684) Error “no current record for fetch operation” could be raised while deleting record from MON$ATTACHMENTS using ORDER BY clause.
  • (CORE-5681) An access violation could occur when an external statement was executed and the local transaction was rolled back.
  • (CORE-5675) isc_vax_integer() and isc_portable_integer() did not work properly with short negative numbers.
  • (CORE-5655) isc_info_sql_relation_alias was reporting incorrect aliases for CTE or nested queries.
  • (CORE-5650) Dropping a procedure on the Classic server could cause a segmentation fault.
  • (CORE-5643) Message “Operating system call munmap failed. Error code 12” could appear in firebird.log under heavy load in Classic or Superclassic.
  • (CORE-5641) A segmentation fault could occur when exiting classic server with a running sweep thread.
  • (CORE-5624) An old bug was fixed, whereby backslashes in path strings for use on POSIX file systems were not always converted to forward slashes.
  • (CORE-5591) The engine could hang during transaction start, soon after certain errors.
  • (CORE-5528) Internal Firebird consistency check (limbo impossible (184), file: vio.cpp line: 2379)
  • (CORE-5522) Engine could freeze up to two minutes and raise a deadlock error when updating RDB$INDICES if it contained back versions.
  • (CORE-5521) A race condition could arise between event notification and event registration.
  • (CORE-5415) Found and fixed an elusive bug in Firebird 2.5.7, as well as some older and newer versions, whereby an unexpected memory overwrite could cause the in-memory image of a random database page to be corrupted.
  • (CORE-2731) Recursive EXECUTE STATEMENT was not working properly.
  • (CORE-2502) Cyclic dependency errors in CTE, involving aliases.
API
  • (CORE-5530) A client application using events could suffer an unpredictable access violation when the connection was broken.
  • (CORE-3596) The client library could not connect to a non-ASCII host name.
Utilities - gbak
  • (CORE-5579) A request synchronization error could occur in gbak during a restore.
  • (CORE-5566) The server could crash while restoring from a backup if the shadow file already existed.
Versienummer 2.5.8
Releasestatus Final
Besturingssystemen Windows 7, Linux, macOS, Windows Server 2008, Windows Server 2012, Windows 8, Windows 10
Website Firebird
Download http://www.firebirdsql.org/en/firebird-2-5/
Licentietype Voorwaarden (GNU/BSD/etc.)

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