September - December 2016

September 2016

• Found / reported bugs: CORE-5353
• Created / modified QA tests for ~20 tracker tickets
• Added test for new feature in 4.0: EXCEPTION and ERROR_MESSAGE context variables
• Prepared standard Oracle SCOTT schema for using in FB tests
• Collected stacktraces for crashes in FB 2.5 which occur on checking user rights for trigger while it is modified in another connection
• Benchmark for encrypted / non-encrypted database: encryption effects performance by ~4..8%
• OLTP-EMUL: misc changes

• Found / reported bugs: CORE-5364, CORE-5385
• Created / modified QA tests for ~25 tracker tickets
• OLTP-EMUL: added checking for FB crash or connection trouble inside block which does initial data populaton
• Found crash after changing DB-level trigger state form inactive to active
• Continued collecting stacktraces for FB 2.5.7 crashes
• Started creation of prototype for integral test for SQL SECURITY clause
• Found performance regressions in FB 4.0
• Continued collect samples for integral test of CORE-3362 (cursor stability)
• OLTP-EMUL: attempt to run test on special FB build provided by Slavomir Skopalik. Failed with dozen of crashes.

• Found / reported bugs: CORE-5408
• Created / modified QA tests for ~30 tracker tickets 
• OLTP-EMUL: changed scripts to be able to use this test with enabled replication
• Found difference in execution plans while making test for CORE-3450
• Started implementing test as attempt to reproduce crash when trigger source is changed while other attachments make DML on table(s)
• OLTP-EMUL: more benchmarks of FB 2.5.7 vs 3.0.0 vs 3.0.1

Moscow, Russian Federation