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From: David Johnston <polobo@yahoo.com>
To: 'Rehan Saleem' <pk_rehan@yahoo.com>
To: pgsql-sql@postgresql.org
Subject: Re: Invalid syntax for integer
Date: Tue, 13 Mar 2012 14:34:57 -0400
Message-ID: <00bb01cd0148$011419a0$033c4ce0$@yahoo.com> (raw)
In-Reply-To: <1331663138.21401.YahooMailNeo@web121606.mail.ne1.yahoo.com>
References: <1331663138.21401.YahooMailNeo@web121606.mail.ne1.yahoo.com>

>>>>>>>>  From: pgsql-sql-owner@postgresql.org
[mailto:pgsql-sql-owner@postgresql.org] On Behalf Of Rehan Saleem
Sent: Tuesday, March 13, 2012 2:26 PM
To: pgsql-sql@postgresql.org
Subject: [SQL] Invalid syntax for integer

hi ,

what is wrong with this if statement in this function

if distance ='' THEN
    distance := 1;
    end if;
here distance variable is of type integer , this function has been created
successfully but when i execute this function it gives me this error ,

ERROR:  invalid input syntax for integer: ""
LINE 1: SELECT distance =''
                                ^
QUERY:  SELECT distance =''
CONTEXT:  PL/pgSQL function "getsitesbytfid" line 6 at IF

********** Error **********

ERROR: invalid input syntax for integer: ""
SQL state: 22P02
Context: PL/pgSQL function "getsitesbytfid" line 6 at IF

========================================================================

The empty-string is not a valid syntax for an integer.  

You probably want:  “IF (distance IS NULL) …”.

David J.




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