| From: | Andreas Kretschmer <akretschmer(at)spamfence(dot)net> |
|---|---|
| To: | pgsql-novice(at)postgresql(dot)org |
| Subject: | Re: how to conditionally append |
| Date: | 2007-04-25 16:32:40 |
| Message-ID: | 20070425163240.GA17702@KanotixBox |
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| Lists: | pgsql-novice |
kvnsmnsn(at)cs(dot)byu(dot)edu <kvnsmnsn(at)cs(dot)byu(dot)edu> schrieb:
> The problem with this is that sometimes <ext> is <NULL>, and apparent-
> ly a <NULL> value concatenated with any kind of character string al-
> ways results in a <NULL> value. At least that's the results I've been
... coalesce(ext,'')...
Read the doc about coalesce().
Andreas
--
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect. (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly." (unknow)
Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°
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