vdg <vdg(dot)encelade(at)gmail(dot)com> writes:
> Before posting, I had tried something like
> check ((ALL(i) >= 0) AND (ALL(i) <= 1024 )));
> but i got syntax errors.
Well, that's not the syntax.
> Could someone give me documentation hints on this behaviour ?
http://www.postgresql.org/docs/9.1/static/functions-subquery.html#FUNCTIONS-SUBQUERY-ALL
http://www.postgresql.org/docs/9.1/static/functions-comparisons.html#AEN17447
regards, tom lane