On Nov 15, 2007 5:52 PM, Sam Mason <[EMAIL PROTECTED]> wrote: > What I tend to do here, is something like: > > CREATE TABLE test ( > type INTEGER, > ref1 INTEGER REFERENCES table1 CHECK ((type = 1) = (ref1 IS NOT NULL)), > ref2 INTEGER REFERENCES table2 CHECK ((type = 2) = (ref2 IS NOT NULL)), > ref3 INTEGER REFERENCES table3 CHECK ((type = 3) = (ref3 IS NOT NULL)) > );
Thanks for sharing. Will try it. But, we have more than 10 types in one table. Will be tough to handle. Ma Sivakumar -- மா சிவகுமார் எல்லோரும் எல்லாமும் பெற வேண்டும் http://masivakumar.blogspot.com ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org/
