December 2010 to February 2011

February 2011

HEAD

• Fixed CORE-3330 - Server crashes while recreating the table with a NULL -> NOT NULL change.
• Fixed CORE-3201 - ATAN2 returns incorrect value for (0, 0).
• Fixed a problem with COUNT in dialect 1.
• Fixed CORE-3310 - RDB$GET_CONTEXT and between in view.
• Fixed CORE-3338 - Some expression indexes with COALESCE, CASE and DECODE became inoperant.
• Removed DSQL hidden variables expressions.
• Refactored COALESCE, DECODE and (simple) CASE, using new BLR verbs.
• Fixed v3 regression with UPDATE OR INSERT inside PROCEDURE/FUNCTION.
• Fixed assert with DECODE/CASE with only test parameters and no values.
• Fixed CORE-3255 - The server could crash using views with GROUP BY.
• Do not reuse arbitrary nodes' impure space in aggregate. Relates to CORE-3255.
• Fixed hang found with CORE-3340 test-case.
• Simplified fix for problem with default values in formats.
• Fixed DDL trigger crash reported in fb-devel.
• Fixed problem with packages reported privately by Vlad.
• Refactored out OPT_expression_equal while fixing checking of sameAs involving CASTs. Problem saw by Dmitry.
• Added EVENT_TYPE and OBJECT_TYPE to DDL_TRIGGER context. Improvement suggested by Thomas Steinmaurer.
• Updated TCS tests for FB 3.
• Removed the legacy DSQL hash table module (HSHD).
• Various DSQL refactorings.

2.5 Branch

• Backport simplified fix for CORE-3255 - The server could crash using views with GROUP BY.

January 2011

HEAD

• Fixed CORE-3306 - Invariant sub-query is treated as variant thus causing multiple invokations of a nested stored procedure.
• Fixed CORE-3320 - Some MERGE syntax can crash the server.
• Made the UDR engine work correctly with the new plugins code.
• Fixed recursive query with ORDER BY.
• Various DSQL refactorings

V2.5 branch

• Backported fix for CORE-3306 - Invariant sub-query is treated as variant thus causing multiple invokations of a nested stored procedure.
• Backported fix for CORE-3320 - Some MERGE syntax can crash the server.

V2.1 branch

• Backported fix for CORE-3320 - Some MERGE syntax can crash the server

December 2010

HEAD

•  
• Make statement evaluation faster, reworking line/column handling.
• Make expression evaluation faster, using more inlining.
• Use the impure space of string variable in a consistently (first or subsequent request execution) and optimized (no double allocation) way.
• Fixed CORE-2204 - Constraints on SP output parameters are checked even when the SP returns zero rows.
• Feature CORE-726 - Boolean data type.
• Fixed the crash about NEXT VALUE FOR reported in fb-devel.
• Various DSQL refactorings.

V2.5 branch

• Fixed CORE-3277 - Wrong result for RIGHT(UTF8 varchar).

Adriano dos Santos Fernandes
Sao Paulo, Brazil