A generated query of ours broke on upgrade from PG 8.3.3 to 8.4.1 with
the following error:
ERROR: failed to find conversion function from unknown to character varying
SQL state: XX000
I've narrowed it down to sub-selects in union clauses, as in the test
script below, which runs successfully on
Britt Piehler writes:
> A generated query of ours broke on upgrade from PG 8.3.3 to 8.4.1 with
> the following error:
> ERROR: failed to find conversion function from unknown to character varying
Hm. I'm not going to promise that such cases should work always, but
given that this particular cas
