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RE: [ODBC] ODBC performance with ADO

From: Enrico Gava <enrico(dot)gava(at)tiscalinet(dot)it>
To: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
Cc: pgsql-odbc(at)postgresql(dot)org
Subject: RE: [ODBC] ODBC performance with ADO
Date: 2001-07-21 09:12:47
Message-ID: 3B42159C000123E8@mail.tiscalinet.it (view raw or flat)
Thread:
Lists: pgsql-odbc
>> Hi,
>> I'm trying to access PostgreSQL table from Visual Basic using ADO 
>> with ODBC
>> Provider. I am using the Postgres ODBC driver version 7.01.00.05.
>> The problem is that to obtain a readonly recordset of 5000
>
>What command are you issuing ?
> 
recordset.open "select * from table_name" 
the cursor is ForwardOnly, the lock is ReadOnly
it's the same with Connection.execute "select * from table_name"

>> records it takes
>> around 15 seconds.
>
>Could you show me the table definiton ?
>It takes 1~3 seconds to obtain 5000 or more records using ADO.

it's a simple test table:
  ID         int4
  LastName   varchar(30)
  FirstName  varchar(30)
 
regards
Enrico Gava

Enrico Gava
mailto:enrico(dot)gava(at)tiscalinet(dot)it



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