Re: [GENERAL] Regexp matching + typecasts

2014-04-07 Thread Ilya Ivanov
Thanks Tom, that worked! On Mon, Mar 24, 2014 at 8:47 PM, Tom Lane wrote: > Ilya Ivanov writes: > > I need to find all active (status=0) items not belonging to any active > > trigger. The best I could come up with is this: > > > select count(itemid) from items where s

[GENERAL] Regexp matching + typecasts

2014-03-24 Thread Ilya Ivanov
I need some help with a query. I've the following tables structure: # select triggerid,expression,status from triggers triggerid | expression | status 19298| {23033}=0 | 0 17041| {20211}#0 | {20210} | 1 18875| {22975}

Re: [GENERAL] big database resulting in small dump

2012-07-20 Thread Ilya Ivanov
well, it'd be good to have a link to the resource that says about 5x ratio, but in general I'm satisfied with that explanation. Thank you.

[GENERAL] big database resulting in small dump

2012-07-20 Thread Ilya Ivanov
I have a 8.4 database (installed on ubuntu 10.04 x86_64). It holds Zabbix database. The database on disk takes 10Gb. SQL dump takes only 2Gb. I've gone through http://archives.postgresql.org/pgsql-general/2008-08/msg00316.php and got some hints. Naturally, the biggest table is history (the second b