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Developer's Report: Firebird Core Development & Coordination
February to April 2015
 
April 2015
 
New development:
  • QA/CI scripts and setup adjustments
  • 64-bit transaction IDs being ported to the trunk
March 2015
 
New development:
  • Readme's for v3 Beta 2
Bugfixing:
  • CORE-4705: 3.0 SC crashes at disconnect after running EXECUTE STATEMENT as non-current user
  • CORE-4704: Generator/exception permissions get corrupted after backup/restore
  • CORE-4702: Regression: Join order in v3 is less optimal than in v2.x
  • Improved BLR printer for scrollable cursors, fixed ISQL crashes
  • Minor optmizer adjustments to the join order selection
February 2015
 
New development:
  • Refactored the Record class and temporary record buffers handling
  • Reduced the in-memory size of the undo log
  • Replaced a verb-cleanup bugcheck with regular error + transaction invalidation
Bugfixing:
  • CORE-4694: "Column unknown" error while preparing a recursive query if the recursive part contains ALIASED datasource in the join with anchor table
  • CORE-4690: DISTINCT vs non-DISTINCT affects the result of IN subquery
  • CORE-4684: Error while preparing a complex query ("Too many Contexts of Relation/Procedure/Views. Maximum allowed is 256")
  • CORE-4383: Index and BLOBs garbage collection doesn't work for update_in_place()
  • CORE-4382: User savepoints are not released on commit
  • CORE-4075: Server bugchecks or crashes on exception in calculated index
  • Respected the "no-auto-undo" option when retaining a transaction context
  • Fixed DBKEY retrieval after implicit CHAR<->VARCHAR conversions
 
Dmitry Yemanov
Penza, Russia
February to April 2015
 
April 2015
 
New development:
  • QA/CI scripts and setup adjustments
  • 64-bit transaction IDs being ported to the trunk
March 2015
 
New development:
  • Readme's for v3 Beta 2
Bugfixing:
  • CORE-4705: 3.0 SC crashes at disconnect after running EXECUTE STATEMENT as non-current user
  • CORE-4704: Generator/exception permissions get corrupted after backup/restore
  • CORE-4702: Regression: Join order in v3 is less optimal than in v2.x
  • Improved BLR printer for scrollable cursors, fixed ISQL crashes
  • Minor optmizer adjustments to the join order selection
February 2015
 
New development:
  • Refactored the Record class and temporary record buffers handling
  • Reduced the in-memory size of the undo log
  • Replaced a verb-cleanup bugcheck with regular error + transaction invalidation
Bugfixing:
  • CORE-4694: "Column unknown" error while preparing a recursive query if the recursive part contains ALIASED datasource in the join with anchor table
  • CORE-4690: DISTINCT vs non-DISTINCT affects the result of IN subquery
  • CORE-4684: Error while preparing a complex query ("Too many Contexts of Relation/Procedure/Views. Maximum allowed is 256")
  • CORE-4383: Index and BLOBs garbage collection doesn't work for update_in_place()
  • CORE-4382: User savepoints are not released on commit
  • CORE-4075: Server bugchecks or crashes on exception in calculated index
  • Respected the "no-auto-undo" option when retaining a transaction context
  • Fixed DBKEY retrieval after implicit CHAR<->VARCHAR conversions
 
Dmitry Yemanov
Penza, Russia
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