Tom Lane-2 wrote
> Furthermore, if there are positions declared anyarray
> and others declared anyelement, the actual array type in the anyarray
> positions must be an array whose elements are the same type appearing in
> the anyelement positions.
>
> The last sentence is what I was saying
David Johnston writes:
> Tom Lane-2 wrote
>> you do have one conceptual error: anyarray to anyelement is supposed
>> to return the element type of the input array type. So when you pass
>> TEXT[] to this function, the SQL parser decides that the expected
>> result type is TEXT.
> While this is
Tom Lane-2 wrote
> you do have one conceptual error: anyarray to anyelement is supposed
> to return the element type of the input array type. So when you pass
> TEXT[] to this function, the SQL parser decides that the expected
> result type is TEXT.
While this is how it behaves in practice I di
[ slowly catching up on vacation email ]
Joshua Burns writes:
> From that point I wrote a bunch of simply anyarray/element related
> functions to better understand how these pseudo-types behave, which has
> left me more confused than when I started.
I think you would have been less confused if y
Joshua Burns wrote
> DROP FUNCTION IF EXISTS anyar_anyel(anyarray);
> CREATE OR REPLACE FUNCTION anyar_anyel(anyarray) RETURNS anyelement AS
> $BODY$
> BEGIN
> RETURN $1;
> END;
> $BODY$ LANGUAGE plpgsql;
Similar to my comment on anyelement->anyarray:
The original goal here is to
Joshua Burns wrote
> CREATE OR REPLACE FUNCTION anyel_anyar(anyelement) RETURNS anyarray AS
> $BODY$
> BEGIN
> RETURN $1;
> END;
> $BODY$ LANGUAGE plpgsql;
Two possible interpretations:
1) must return an array of whatever type is supplied; this is (apparently)
the defined behavior