Pit Mueller wrote: > SELECT p.conname AS constraint_name FROM pg_constraint p WHERE > p.contype = 'p' AND p.conrelid = pg_class.oid AND pg_class.relname = > 'mytablename' > > leads to an error: > > ERROR: missing FROM-clause entry for table "pg_class"
You need to mention pg_class in the FROM clause. > This query worked fine with 8.0.3. The query was always incorrect, and 8.1 is now stricter in that regard. To get bugward-compatible behavior, look up the configuration parameter add_missing_from. -- Peter Eisentraut http://developer.postgresql.org/~petere/ ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
