"George Barbarosie" <[EMAIL PROTECTED]> writes:
> CREATE TYPE composite AS (
> label varchar(20),
> data varchar(1000) );
> CREATE TYPE composite2 AS (
> label varchar(20),
> data text );
> CREATE CAST (composite as composite2) WITHOUT FUNCTION AS IMPLICIT;
The above is invalid --- since values of composite types have their type
OID embedded in them, a coercion can't simply be a relabeling. You've
used your superuser powers to break the system, as is all too easy with
binary casts :-(
regards, tom lane
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