Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> writes:
> Users, who likes existing behavior of handling <@ operator in intarray
> opclasses, may be advised to rewrite their queries as following.
> "col <@ const" => "col <@ const AND col && const"
Oh, that's a good suggestion --- it will work, and work reasonably
well, with either unpatched or patched intarray code; and also with
some future version that doesn't consider <@ indexable at all.
regards, tom lane