Re: append columns that are null
От | nobody |
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Тема | Re: append columns that are null |
Дата | |
Msg-id | ccj224$1jq7$1@news.hub.org обсуждение исходный текст |
Ответ на | Re: append columns that are null (Gerwin Philippo <gerwin@vernet.nl>) |
Ответы |
Re: append columns that are null
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Список | pgsql-sql |
You are welcome. Only if all problems were that simple ;-)... "Gerwin Philippo" <gerwin@vernet.nl> wrote in message news:40ecf718$0$36169$e4fe514c@news.xs4all.nl... > THX! didn't know that one yet :) > > nobody wrote: > > "Gerwin Philippo" <gerwin@vernet.nl> wrote in message > > news:40ec1043$0$559$e4fe514c@news.xs4all.nl... > > > >>I have function that appends 2 columns, like > >>"new.field1 = new.field2||new.field3", > >>but when field 3 is null, then the entire outcome is null, while I > >>expected just field2, since when I append nothing to field2, I get > >>field2, right? > >>Is this standard behaviour, and if so, is there another append function > >>that I can use that doesn't behave like this? > > > > > > COALESCE is your friend... > > > >
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