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Re: Help me to get fast query
Posted by: kordirko kordirko
Date: January 10, 2012 10:51AM


There is no indexes on transaction_id + key columns that your query is using here:
  FROM `transaction_xtras` `tx`
  WHERE ((`tx`.`transaction_id` = `epstransaction`.`id`)
  AND (`tx`.`key` = 'no_kp_lama')))

So create a composite index on these two columns - run this command:

   CREATE INDEX trans_xtras_key_trid_ix 
   ON transaction_xtras( key, transaction_id );

Then run your query and check how long it will be running.

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January 08, 2012 12:59AM
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Re: Help me to get fast query
January 10, 2012 10:51AM

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