On Tue, 31 Jan 2012 13:41:00 +0530, Gnanakumar wrote: > Hi, > > Our Production server is running PostgreSQL v8.2.22 on CentOS5.2. We > want to enable a specific CHECK constraint for our application table as > explained below: > > There are 2 columns in the table: "managertype" numeric(1) and > "managerid" numeric(10). "managertype" accepts only 2 valid values, > either '1' or '2'. > > managertype | managerid --------------------------------- > 1 | null values NOT allowed 2 | null values > allowed > --------------------------------- > > We want to enable a CHECK constraint based on 2 columns data in the > table in such a way that if "managertype" is 1, then null values are not > allowed in "managerid" column. In other words, I want to create a CHECK > constraint something like this: IF (managertype = 1) THEN managerid IS > NOT NULL. > > Is it possible to create a CHECK constraint for my use case explained > above? Production server? Bollocks. It's homework. Look it up. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
