Re: [GENERAL] Addled index

2013-03-18 Thread Oleg Alexeev
On 17 March 2013 08:30, Tom Lane t...@sss.pgh.pa.us wrote: Oleg Alexeev oalex...@gmail.com writes: * it is varchar columns, 256 and 32 symbols length * encoding, collation and ctype: UTF8, en_US.utf8, en_US.utf8 * autovacuum, fsync off, full_page_writes = on, wal_writer_delay = 500ms

Re: [GENERAL] Addled index

2013-03-16 Thread Oleg Alexeev
On 16 March 2013 01:21, Steve Crawford scrawf...@pinpointresearch.comwrote: On 03/15/2013 11:29 AM, Oleg Alexeev wrote: We've faced with strange index problem. At some moment index became bad and queries does not return any data. For example, there are two tables - A (id, name) and B (id

Re: [GENERAL] Addled index

2013-03-16 Thread Oleg Alexeev
On 16 March 2013 14:32, Alban Hertroys haram...@gmail.com wrote: On Mar 16, 2013, at 9:33, Oleg Alexeev oalex...@gmail.com wrote: On 16 March 2013 01:21, Steve Crawford scrawf...@pinpointresearch.comwrote: On 03/15/2013 11:29 AM, Oleg Alexeev wrote: We've faced with strange index problem

Re: [GENERAL] Addled index

2013-03-16 Thread Oleg Alexeev
On 16 March 2013 19:10, Tom Lane t...@sss.pgh.pa.us wrote: Alban Hertroys haram...@gmail.com writes: If there's actually something wrong with the database; it looks a bit like your tables and your indexes get out of sync somehow, which normally wouldn't be possible. I'm mostly guessing, but

[GENERAL] Addled index

2013-03-15 Thread Oleg Alexeev
We've faced with strange index problem. At some moment index became bad and queries does not return any data. For example, there are two tables - A (id, name) and B (id, name, a_id). B.a_id is foreign key to A. Both name columns in tables contains identical values for A.id = B.a_id. A.name