Am Mittwoch, 28. März 2007 00:17 schrieb Phillip Smith: > Perhaps this...? It would work, but depending how many rows are in the > table, it could become incredibly slow. > > ALTER TABLE table1 ADD CHECK (extension NOT IN (SELECT extension FROM > table2));
Subqueries are not allowed in check constraints. -- Peter Eisentraut http://developer.postgresql.org/~petere/ ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
