Contact Us | Site Map
Firebird is used by approximately 1 million of software developers worldwide. High compatibility with industry standards on many fronts makes Firebird the obvious choice for developing interoperable applications for homogeneous and hybrid environments.
Developer's Report: QA Stress Testing & Tools Development
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
October 2016
  • 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.
November 2016
  • 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
December 2016
  • Found / reported bugs: CORE-5413, CORE-5418, CORE-5423, CORE-5424, CORE-5426
  • Created / modified QA tests for ~40 tracker tickets 
  • Found poor performance of SIMILAR TO comparing with LIKE on trivial search of line containing at least one character from [a-z]
  • Upgraded fbtest to its last version on the Windows testing VM
  • Found that FB service often cannot be correctly stopped after bugcheck
  • OLTP-EMUL: misc changes

Pavel Zotov
Moscow, Russian Federation
 
Join Firebird!
RSS Newsletter
Home About Firebird Documentation Downloads Community Support Development Case Studies Back to Top
This site and the pages contained within are Copyright © 2000-2017, Firebird Project. Firebird® is a registered trademark of Firebird Foundation Incorporated. Developed by DQ Team.