Re:

From: Jayadevan M <Jayadevan(dot)Maymala(at)ibsplc(dot)com>
To: pgsql-performance(at)postgresql(dot)org, pgsql-performance-owner(at)postgresql(dot)org
Subject: Re:
Date: 2010-11-16 07:00:54
Message-ID: OFA05BEFAA.A7DB29E0-ON652577DD.00266995-652577DD.002688D6@ibsplc.com
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Hi
> SQL Server 2008 R2 Query
> select t1.id from table1 t1 inner join table2 t2 on t1.id = t2.id
> and t1.question = t2.question and isnull(t1.response,'ISNULL') <>
> isnull(t2.response,'ISNULL')
>
> Postgres 9.1 Query
> select t1.id from table1 t1 inner join table2 t2 on t1.id = t2.id
> and t1.question = t2.question and coalesce(t1.response,'ISNULL') <>
> coalesce(t2.response,'ISNULL')
>
> What gives?
They have same indexes/PK etc?
Regards,
Jayadevan

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In response to

  • at 2010-11-15 20:14:26 from Humair Mohammed

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