Re: Functions have 32 args limt ???
От | Stephan Szabo |
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Тема | Re: Functions have 32 args limt ??? |
Дата | |
Msg-id | 20030828080912.T6403-100000@megazone.bigpanda.com обсуждение исходный текст |
Ответ на | Re: Functions have 32 args limt ??? ("Ivar" <ivar@lumisoft.ee>) |
Список | pgsql-general |
On Thu, 28 Aug 2003, Ivar wrote: > I don't see why default is so small. Re-read Joe's response. There are performance and disk usage tradeoffs for raising the limit. I'd suggest looking at the mailing list archives for the discussion mentioned. > "Joe Conway" <mail@joeconway.com> wrote in message > news:3F4D8DE0.1060307@joeconway.com... > > Ivar wrote: > > > For my supprise I found that functions have 32 parameter limit. > > > > > > Where to find more info about this limitation or similar limitations ? > > > > > > I need at least 50, 100 would be ok. > > > > See INDEX_MAX_KEYS defined in src/include/pg_config.h.in > > (pg_config_manual.h in postgres 7.4). Change to 64 or whatever and > > recompile. But note that you'll need to dump, initdb, and reload your > > data. Also note that there are performance and disk usage tradeoffs -- > > search the mailing list archives from August 2002 for some test results > > and discussion. > > > > Joe > > > > > > ---------------------------(end of broadcast)--------------------------- > > TIP 9: the planner will ignore your desire to choose an index scan if your > > joining column's datatypes do not match > > > > > > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Don't 'kill -9' the postmaster >
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