Re: Add a check an a array column
От | Andreas Kretschmer |
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Тема | Re: Add a check an a array column |
Дата | |
Msg-id | 20120908192414.GA24230@tux обсуждение исходный текст |
Ответ на | Re: Add a check an a array column (Joel Hoffman <joel.hoffman@gmail.com>) |
Ответы |
Re: Add a check an a array column
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Список | pgsql-general |
Joel Hoffman <joel.hoffman@gmail.com> wrote: > More concisely, you can compare directly against all values of the array: > > # create table i (i int[] check (0 <= ALL(i) AND 1023 >= ALL(i))); > # insert into i values (ARRAY[0,1,2,3,1023]); > # insert into i values (ARRAY[0,1,2,3,-1]); > ERROR: new row for relation "i" violates check constraint "i_i_check" Nice! Didn't know that with all() 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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