Re: query decorrelation in postgres - Mailing list pgsql-hackers

From Itagaki Takahiro
Subject Re: query decorrelation in postgres
Date
Msg-id 20090724095459.93D7.52131E4D@oss.ntt.co.jp
Whole thread Raw
In response to query decorrelation in postgres  (mahendra chavan <mahcha@gmail.com>)
Responses Re: query decorrelation in postgres
List pgsql-hackers
mahendra chavan <mahcha@gmail.com> wrote:

> I am a master's student in computer science at IIT Bombay. As part of my
> project, I need to get a decorrelated version of a SQL query.  Please could
> anyone let me know if we have query decorrelation feature implemented in
> postgres ?

What do you mean by "query decorrelation"? Is it an addtional method for
query optimization? At least there is no word 'decorrelation' in
the postgres documentation.

Regards,
---
ITAGAKI Takahiro
NTT Open Source Software Center




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