On Thu, 7 Nov 2002, Zhidian Du wrote: > Dear All, > > I want to dreate a delete cascade in children tables. The primary key of > parent table is oid, so when I create parent table, there is no apparetly > key word "primary key". The problem jumps out. > > When I create child table using columnn constraint on delete, the SQL says: > > "PRIMARY KEY for referenced table "parent" not found" > > I do not need to specify the primary key since I am using oid. How can I > get around this problem?
I'm not sure if 7.2 lets you make the constraint at all, but even if it does, you need a unique index on oid and you need to specify that the constraint is to oid (col references parent(oid)) ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
