helman wrote: > > The following bug has been logged online: > > Bug reference: 1568 > Logged by: helman > Email address: 123@123.com > PostgreSQL version: 8.0 > Operating system: linux > Description: concat > Details: > > concat no accept null
Concatting a NULL returns a NULL. You might want to use COALESCE() to return '' for NULL in the concat. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq