| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Joe Conway <mail(at)joeconway(dot)com> |
| Cc: | Hans Spaans <pgsql-admin(at)lists(dot)hansspaans(dot)nl>, pgsql-admin(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] concat_ws |
| Date: | 2003-08-03 23:27:13 |
| Message-ID: | 2804.1059953233@sss.pgh.pa.us |
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| Lists: | pgsql-admin pgsql-hackers |
Joe Conway <mail(at)joeconway(dot)com> writes:
> But I wonder why it isn't at all a problem when the function is also
> defined STRICT?
Because the inliner doesn't think it can safely inline in that case; the
substituted expression isn't strict and so inlining would potentially
change the semantics.
regards, tom lane
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