Re: Problem with insert into select... - Mailing list pgsql-performance

From Richard Huxton
Subject Re: Problem with insert into select...
Date
Msg-id 200311241929.40600.dev@archonet.com
Whole thread Raw
In response to Problem with insert into select...  (stephen farrell <sfarrell@almaden.ibm.com>)
List pgsql-performance
On Thursday 20 November 2003 21:04, stephen farrell wrote:
> I'm having a problem with a queyr like:  INSERT INTO FACT (x,x,x,x,x,x)
> SELECT a.key,b.key,c.key,d.key,e.key,f.key from x,a,b,c,d,e,f where x=a
> and x=b ....   -- postgres7.4 is running out of memory.

When this has happened to me it's always been because I've got an
unconstrained join due to pilot error. Try an EXPLAIN on the select part and
see if that pops up anything.

--
  Richard Huxton
  Archonet Ltd

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