Re: Re: Requests for Development
KuroiNeko <evpopkov@carrier.kiev.ua>
From: KuroiNeko <evpopkov@carrier.kiev.ua>
To: pgsql-sql@postgresql.org
Date: 2000-11-17T16:17:20Z
Lists: pgsql-general, pgsql-sql
> PL/pgSQL parses the entire function body at first call (per > backend). But the SPI querystrings for all the statements > aren't parsed at that time. It uses SPI_prepare() only for > expressions and queries that actually get executed, so that a > huge function that is called only once in a backend, erroring > out at the first IF, will not parse most of it's queries. > This is surely a win for performance, but it makes it > difficult to develop. Thanks for the explanation. Although, I can't see how this improves performance, I'll keep this in my mind when designing PL/PGSQL SPs. -- Sniper's rifle is an extension of his eye. He kills with his injurious vision. JM