Re: SQL question
От
Stephan Szabo
Тема
Re: SQL question
Дата
Msg-id
20020201113627.O27951-100000@megazone23.bigpanda.com
Ответ на
SQL question (Bolt Thrower)
Список
Дерево обсуждения
SQL question Bolt Thrower <tyr@teiresias.net>
Re: SQL question Stephan Szabo <sszabo@megazone23.bigpanda.com>
Re: SQL question "Brett W. McCoy" <bmccoy@chapelperilous.net>
Re: SQL question Tom Lane <tgl@sss.pgh.pa.us>
On Fri, 25 Jan 2002, Bolt Thrower wrote: > In the query: > > select field, length(field) from table where length(field) < 10; > > How many times is the length() function called for each row? Once or > twice? Pretty sure it'll be twice.
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