Received: from trends.net (root@clio.trends.ca [209.47.148.2]) by hub.org (8.9.3/8.9.3) with ESMTP id LAA01447 for ; Fri, 4 Jun 1999 11:28:37 -0400 (EDT) (envelope-from brendan@w3s.ie) Received: from w3s.ie (www.w3s.ie [193.120.211.43]) by trends.net (8.8.8/8.8.8) with SMTP id KAA00547 for ; Fri, 4 Jun 1999 10:38:14 -0400 (EDT) Received: from w3s.ie by w3s.ie (SMI-8.6/SMI-SVR4) id PAA28940; Fri, 4 Jun 1999 15:26:49 +0100 Message-Id: <199906041426.PAA28940@w3s.ie> X-Mailer: exmh version 2.0.2 To: pgsql-interfaces@postgreSQL.org Subject: Meaning of NULL in perl5 documentation Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 04 Jun 1999 15:33:03 +0000 From: "Brendan McKenna" Hi, My question is this: In the man page for the Pg perl module, the description of the fetchrow function reads as follows: "New style only ! Fetches the next row from the server and returns NULL if all rows have been processed. Columns which have NULL as value will be set to undef." Does this mean that (in perl terms) the fetchrow function will return an undef when there are no more rows, or the string "NULL", or something else altogether? Thanks, Brendan -- Brendan McKenna Technical Director Phone: +353-(0)61-338177 x4143 W3 Services Ltd. Fax: +353-(0)61-338065 Innovation Centre Email: brendan@w3s.ie National Technological Park Limerick Ireland