Peter Eisentraut <pete...@gmx.net> writes:
> CREATE TYPE zzz_enum AS ENUM ('A', 'B', 'C');
> CREATE TABLE zzz_test1 (z zzz_enum);
> SELECT * FROM zzz_test1 WHERE z = 'A';
> That works. But:
> CREATE DOMAIN zzz AS zzz_enum DEFAULT 'A';
> CREATE TABLE zzz_test2 (z zzz);
> SELECT * FROM zzz_test2 WHERE z = 'A';
> ERROR: 42883: operator does not exist: zzz = unknown
I suppose this is because enforce_generic_type_consistency doesn't smash
domains to base types before checking type_is_enum. I'm a bit hesitant
to change that though. We don't smash to base types before checking if
a domain matches an anyarray, and I seem to recall that that's
intentional.
regards, tom lane
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