Re: libpq vs. unixODBC performance

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To: "Constantine Filin" <cfilin@xxxxxxxxxxxxxx>
Subject: Re: libpq vs. unixODBC performance
From: Tom Lane <tgl@xxxxxxxxxxxxx>
Date: Sat, 21 Jan 2006 19:40:39 -0500
Cc: pgsql-performance@xxxxxxxxxxxxxx
Comments: In-reply-to "Constantine Filin" <cfilin@xxxxxxxxxxxxxx> message dated "Sat, 21 Jan 2006 15:49:52 -0800"
In-reply-to: <FD6AFE16B92B544E809E0EAC9C8B7850B664D3@xxxxxxxxxxxxxxxxxxxxxx>
References: <FD6AFE16B92B544E809E0EAC9C8B7850B664D3@xxxxxxxxxxxxxxxxxxxxxx>

"Constantine Filin" <cfilin@xxxxxxxxxxxxxx> writes:
> Do you have any ideas why libpq is so much slower than unixODBC?

Perhaps ODBC is batching the queries into a transaction behind your
back?  Or preparing them for you?

			regards, tom lane

References:
- libpq vs. unixODBC performance
  - From: Constantine Filin

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