On Sun, Sep 03, 2006 at 12:59:08AM -0400, Tom Lane wrote: > Michael Fuhr <mike@xxxxxxxx> writes: > > test=> SELECT ARRAY[1, 2, 3, 4] @ ARRAY[1, 3]; > > ?column? > > ---------- > > t > > (1 row) > > > In 8.2 the above example will work in the stock installation for > > arrays of any type (i.e., with operands of type anyarray). > > [ blink... ] When did that get in, and why don't I see it in the > documentation? Looks like it arrived with the gin code. http://archives.postgresql.org/pgsql-committers/2006-05/msg00007.php http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/pg_operator.h.diff?r1=1.142&r2=1.143 > The operand order seems exactly backward considering > that all the pre-existing @ operators are "contained in", not > "contains". Should we flip this around before it's too late? I'd favor consistency, although I see that contrib/intarray has had it backwards for a long time :-( -- Michael Fuhr