Return-Path: Received: from ensim.rackshack.net (root@localhost) by orafaq.net (8.11.6/8.11.6) with ESMTP id h8Q0mko06631 for ; Thu, 25 Sep 2003 19:48:46 -0500 X-ClientAddr: 66.27.56.210 Received: from ns3.fatcity.com (rrcs-west-66-27-56-210.biz.rr.com [66.27.56.210]) by ensim.rackshack.net (8.11.6/8.11.6) with ESMTP id h8Q0mkc06626 for ; Thu, 25 Sep 2003 19:48:46 -0500 Received: from ns3.fatcity.com (localhost.localdomain [127.0.0.1]) by ns3.fatcity.com (8.12.8/8.12.8) with ESMTP id h8PMA1ZU019124 for ; Thu, 25 Sep 2003 15:10:03 -0700 Received: (from root@localhost) by ns3.fatcity.com (8.12.8/8.12.5/Submit) id h8PM0QeT017272 for oracle-l@orafaq.net; Thu, 25 Sep 2003 15:00:26 -0700 Received: by fatcity.com (05-Jun-2003/v1.0g-b73/bab) via fatcity.com id 005D1158; Thu, 25 Sep 2003 14:59:55 -0800 Message-ID: Date: Thu, 25 Sep 2003 14:59:55 -0800 To: Multiple recipients of list ORACLE-L X-Comment: Oracle RDBMS Community Forum X-Sender: "Tanel Poder" Sender: ml-errors@fatcity.com Reply-To: ORACLE-L@fatcity.com Errors-To: ML-ERRORS@fatcity.com From: "Tanel Poder" Subject: Re: equivalent for isdate, isnumeric Organization: Fat City Network Services, San Diego, California X-ListServer: v1.0g, build 73; ListGuru (c) 1996-2003 Bruce A. Bergman Precedence: bulk Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Hi! Boolean is a datatype existing and usable in Oracle. Deterministic is an Oracle way to tell a function is deterministic, i.e. always returning the same result on the same input. Required for FBIs for example. http://tahiti.oracle.com Tanel. ----- Original Message ----- To: "Multiple recipients of list ORACLE-L" Sent: Thursday, September 25, 2003 9:54 PM > boolean is not SQL datatype and it's unclear what "deterministic" > means here. > > Mladen Gogala wrote: > > create or replace function > > isnumeric(str varchar2) return boolean deterministic > > as > > num number:=0; > > begin > > num:=to_number(str); > > return(true); > > exception > > when others then > > return(false); > > end; > > / > > > > -- > > Mladen Gogala > > Oracle DBA > -- > Vladimir Begun > The statements and opinions expressed here are my own and > do not necessarily represent those of Oracle Corporation. > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Vladimir Begun > INET: Vladimir.Begun@oracle.com > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Tanel Poder INET: tanel.poder.003@mail.ee Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).