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Extremely Low performance with ODBC


  • From: "Sebastian Rychter" <srychter(at)anvet(dot)com(dot)ar>
  • To: <pgsql-sql(at)postgresql(dot)org>
  • Subject: Extremely Low performance with ODBC
  • Date: Thu, 22 May 2008 15:29:23 -0300
  • Message-id: <004301c8bc39$c43aba40$4cb02ec0$@com.ar> <text/plain>

Hi, I'm executing a query through psql ODBC which is taking around 2 minutes
to complete. When I run it from PgAdmin it takes less than 3 seconds.

The query itself has :

. 15 inner joins (from just around 10 different tables - the other inner
joins are using different aliases for the same tables) 

. Select statement returns 1 field.

. the testing database is selecting only 1 record.

 

Taking a look at the explain analyze report, I see they are both quite the
same and tested the ODBC driver through Visual Foxpro and Vb.NET as well,
taking both around 2 minutes to finish.

 

Any idea ?

 

Thanks,

 

Sebastian



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