"David G. Johnston" <david.g.johns...@gmail.com> writes: > On Sun, Aug 18, 2019 at 8:53 AM PG Doc comments form <nore...@postgresql.org> >> Noticed strange thin with @> >> Query "select '{1,2}'::int[] @> '{1,2,2,2,2,2,2,2}'::int[]" returns true, >> but first array contains even less elements then second. >> I think it's a bug in "contains" logic, but don't know where to submit it.
> Its a valid interpretation of "contains", for this purpose each array is > treated like a set (ignoring the cardinality of elements, and overall > dimensionality), but it needs to be documented as behaving that way on that > page. Done now. regards, tom lane