Thread: date_part stored procs

date_part stored procs

From

"Tsoloane Moahloli"

Date:

26 March 2004, 20:54:11

Making me lose my cool. Here is how it goes:

I have the following Stored Proc, Which I intend to find the age in months of a date...

CREATE FUNCTION interval_months(TIMESTAMP) RETURNS INTEGER AS '
DECLARE
  docDate ALIAS FOR $1;
  len INTEGER;
BEGIN
  SELECT INTO len * FROM (SELECT ((date_part(''year'',age(docDate))*12)+(date_part(''month'',age(docDate)))) AS a;
  RETURN len;
END
' LANGUAGE 'plpgsql';

The problem is that it does not run and I cannot for the life of me tell why.

I run it with the following in psql:

select interval_months(file_date) from (select min(file_date) as file_date from fileattributes) AS a;

And I get the folllowing error:

NOTICE: Error occurred while executing PL/pgSQL function interval_months
NOTICE: line 5 at select into variables
ERROR: parser: parse error at or near ""

I can't see the error, I've lost my mind.... It's friday........

Tsoloane Moahloli
Verity South Africa (Pty) Ltd
P +27 (11) 475 1718
C +27 (83) 400-2998
tsoloane@verity.za.com

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Re: date_part stored procs

From

Tom Lane

Date:

26 March 2004, 22:12:58

"Tsoloane Moahloli" <tsoloane@mimecast.co.za> writes:
>   SELECT INTO len * FROM (SELECT
> ((date_part(''year'',age(docDate))*12)+(date_part(''month'',age(docDate))))
> AS a;
> The problem is that it does not run and I cannot for the life of me tell
> why.    

I think you miscounted parentheses.
        regards, tom lane

Re: date_part stored procs

From

"Tsoloane Moahloli"

Date:

29 March 2004, 06:27:23

<table border="0" cellpadding="0" cellspacing="0" width="100%"><tr><td width="50%"><a
href="http://mail.mimecast.co.za/mcservices/mcinsert?code=31303037352c333537"><imgborder="0"
src="cid:1040329092253034001@mail.mimecast.co.za"/></a></td><td align="right" width="50%"><a
href="http://mail.mimecast.co.za/mcservices/mcinsert?code=31303037352c333538"><imgborder="0"
src="cid:1040329092253037001@mail.mimecast.co.za"/></a></td></tr></table><br /><br /> Perfect. Thanks a lot....<br
/><br/> -----Original Message-----<br /> From: pgsql-sql-owner@postgresql.org
[mailto:pgsql-sql-owner@postgresql.org]<br/> On Behalf Of Tom Lane<br /> Sent: 27 March 2004 01:03<br /> To:
tsoloane@mimecast.co.za<br/> Cc: pgsql-sql@postgresql.org<br /> Subject: Re: [SQL] date_part stored procs <br /><br
/><br/> "Tsoloane Moahloli" <tsoloane@mimecast.co.za> writes:<br /> > SELECT INTO len * FROM (SELECT<br />
>((date_part(''year'',age(docDate))*12)+(date_part(''month'',age(docDat<br /> > e))))<br /> > AS a;<br /><br
/>> The problem is that it does not run and I cannot for the life of me tell<br /> > why. <br /><br /> I think
youmiscounted parentheses.<br /><br /> regards, tom lane<br /><br /> ---------------------------(end of
broadcast)---------------------------<br/> TIP 8: explain analyze is your friend<br /><br /><br /><br /><table
border="0"cellpadding="0" cellspacing="0" width="100%"><tr><td width="50%"><img border="0"
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