There are two select statement with using Function chr(0), I don't know, are they both right ? I think that they are inconsistent.
Thanks [EMAIL PROTECTED] ~]$ psql Welcome to psql 8.1.3, the PostgreSQL interactive terminal. Type: \copyright for distribution terms \h for help with SQL commands \? for help with psql commands \g or terminate with semicolon to execute query \q to quit postgres=# select 'abc' || chr(0) || 'abc' as col; col ----- abc (1 row) postgres=# select length('abc' || chr(0) || 'abc') as col; col ----- 7 (1 row) ---------------------------------------------------------------------------------------------- Confidentiality Notice: The information contained in this e-mail and any accompanying attachment(s) is intended only for the use of the intended recipient and may be confidential and/or privileged of Neusoft Group Ltd., its subsidiaries and/or its affiliates. If any reader of this communication is not the intended recipient, unauthorized use, forwarding, printing, storing, disclosure or copying is strictly prohibited, and may be unlawful. If you have received this communication in error, please immediately notify the sender by return e-mail, and delete the original message and all copies from your system. Thank you. ----------------------------------------------------------------------------------------------- ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org