Christopher Kings-Lynne <[EMAIL PROTECTED]> writes: >> In that case there's a datatype mismatch between the referencing and >> referenced columns, which prevents the index from being used for the >> FK check.
> Is creating such a foreign key a WARNING yet? I believe so as of 8.0. It's a bit tricky since 8.0 does allow some cross-type cases to be indexed, but IIRC we have a test that understands about that... regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org