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Re: Is there a way to elegantly do a : CREATE TEMP TABLE X AS SELECT .... ON COMMIT DROP

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Adrian Klaver wrote:
On Thursday 13 March 2008 2:46 pm, Colin Wetherbee wrote:
Adrian Klaver wrote:
On Thursday 13 March 2008 4:49 am, David Gagnon wrote:
Hi all,

  I think the title says everything:-)

  I just what a way to create a TEMP for the current transaction only.
If possible I don't want to create the TEMP table first, specify all
column types, etc.

CREATE TEMP TABLE _T_CR1 AS
SELECT CRNUM, CRYPNUM, CRMONT, CRDATE, GLNUM, CRRRNUM, CRACNUM, GLDESC
FROM CR INNER JOIN CS ON CR.CRNUM = CS.CSCRNUM AND CR.CRYPNUM =
CS.CSYPNUM INNER JOIN GL ON CS.CSGLNUM = GL.GLNUM AND 1 = GL.GLSOCTRL
WHERE CRYPNUM = companyId
  AND DATEDIFF(DY, CRDATE, GETDATE()) >= _AGELIMITE
ON COMMIT DROP;
I am missing something here. What is wrong with the above statement?
You're missing:

cww=# BEGIN;
BEGIN
cww=# CREATE TEMP TABLE foo AS (SELECT 1 AS a, 2 AS b) ON COMMIT DROP;
ERROR:  syntax error at or near "ON" at character 50
LINE 1: CREATE TEMP TABLE foo AS (SELECT 1 AS a, 2 AS b) ON COMMIT D...
                                                          ^

Try CREATE TEMP TABLE foo ON COMMIT DROP AS (SELECT 1 AS a, 2 AS b) ;

I don't know what version the OP is using, but that doesn't work on 8.1:

cww=# CREATE TEMP TABLE foo ON COMMIT DROP AS (SELECT 1 AS a, 2 AS b);
ERROR:  syntax error at or near "ON" at character 23
LINE 1: CREATE TEMP TABLE foo ON COMMIT DROP AS (SELECT 1 AS a, 2 AS...
                              ^

I'm jumping in here because temporary ON COMMIT DROP tables created with AS (SELECT ...) would be handy for me, too. :)

Colin

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