Re: [firebird-support] FB 2.5.4 - new handling of IN SUBSELECT?

2015-11-06 Thread Josef Kokeš j.ko...@apatykaservis.cz [firebird-support]
On 5.11.2015 19:38, setysvar setys...@gmail.com [firebird-support] wrote: > > Den 05.11.2015 12:12, skrev Josef Kokeš j.ko...@apatykaservis.cz > [firebird-support]: > > SELECT COUNT(*) > > FROM a_complex_view > > WHERE field1=1 AND field2<>2 > > AND key_field IN (SELECT key_field FROM

[firebird-support] FB 2.5.4 - new handling of IN SUBSELECT?

2015-11-05 Thread Josef Kokeš j.ko...@apatykaservis.cz [firebird-support]
Hi! I wonder: Was there any change in FB 2.5.4 which would slow down processing of WHERE field IN (subselect) a lot, compared to FB 2.5.3? I have been performing tests because a user of mine complained about slow speed of my database, and found out that my query in the form of: SELECT

Re: [firebird-support] FB 2.5.4 - new handling of IN SUBSELECT?

2015-11-05 Thread setysvar setys...@gmail.com [firebird-support]
Den 05.11.2015 12:12, skrev Josef Kokeš j.ko...@apatykaservis.cz [firebird-support]: > Hi! > > I wonder: Was there any change in FB 2.5.4 which would slow down > processing of WHERE field IN (subselect) a lot, compared to FB 2.5.3? I > have been performing tests because a user of mine complained