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Re: Delete/update with limit

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On Mon, 2007-07-23 at 17:56 +0200, Csaba Nagy wrote:

> Now I don't put too much hope I can convince anybody that the limit on
> the delete/update commands has valid usage scenarios, but then can
> anybody help me find a good solution to chunk-wise process such a buffer
> table where insert speed is the highest priority (thus no indexes, the
> minimum of fields), and batch processing should still work fine with big
> table size, while not impacting at all the inserts, and finish in short
> time to avoid long running transactions ? Cause I can't really think of
> one... other than our scheme with the delete with limit + trigger +
> private temp table thing.

Use partitioning: don't delete, just drop the partition after a while.

-- 
  Simon Riggs
  EnterpriseDB  http://www.enterprisedb.com



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