Re: [SQL] conditional aggregates

ql-ow...@postgresql.org] *On Behalf Of *Marcin Krawczyk > *Sent:* Mittwoch, 8. Dezember 2010 14:20 > *To:* Pavel Stehule > *Cc:* pgsql-sql@postgresql.org > *Subject:* Re: [SQL] conditional aggregates > > > > Yeah I know but I'm having problems creating sfunc fuction for th

Re: [SQL] conditional aggregates

Re: [SQL] conditional aggregates Yeah I know but I'm having problems creating sfunc fuction for the aggregate. regards mk 2010/12/8 Pavel Stehule Hello use a CASE statement http://www.postgresql.org/docs/7.4/static/functions-conditional.html Regards Pavel Stehule 2010/12/

Re: [SQL] conditional aggregates

Yeah I know but I'm having problems creating sfunc fuction for the aggregate. regards mk 2010/12/8 Pavel Stehule > Hello > > use a CASE statement > > http://www.postgresql.org/docs/7.4/static/functions-conditional.html > > Regards > > Pavel Stehule > > 2010/12/8 Marcin Krawczyk : > > Hi list,

Re: [SQL] conditional aggregates

Hello use a CASE statement http://www.postgresql.org/docs/7.4/static/functions-conditional.html Regards Pavel Stehule 2010/12/8 Marcin Krawczyk : > Hi list, > Can anyone advise me on creating an aggregate that would take additional > parameter as a condition ? For example, say I have a table l

[SQL] conditional aggregates

Hi list, Can anyone advise me on creating an aggregate that would take additional parameter as a condition ? For example, say I have a table like this id;value 1;45 2;13 3;0 4;90 I'd like to do something like this SELECT min_some_cond_aggregate(value,0) FROM table to get the minimal value from