Re: How to count the number of items in an Array?
От | Andreas Kretschmer |
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Тема | Re: How to count the number of items in an Array? |
Дата | |
Msg-id | 20100221144626.GA22256@tux обсуждение исходный текст |
Ответ на | Re: How to count the number of items in an Array? (Andre Lopes <lopes80andre@gmail.com>) |
Ответы |
Re: How to count the number of items in an Array?
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Список | pgsql-general |
Andre Lopes <lopes80andre@gmail.com> wrote: > Hi, > > Thanks for the reply. > > My problem is that I can't have the array with all items. I need to read from a > table and store in an Array the values. Not sure if i understand you, but how about: test=*# select * from foo; a --- 1 3 5 7 (4 Zeilen) Zeit: 0,203 ms test=*# select array_agg(a) from foo; array_agg ----------- {1,3,5,7} (1 Zeile) The function returns a column as an array. 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." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°
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