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List:       postgresql-general
Subject:    Re: [HACKERS] Allow use of stable functions with constraint exclusion
From:       Tom Lane <tgl () sss ! pgh ! pa ! us>
Date:       2007-04-30 23:16:36
Message-ID: 10628.1177974996 () sss ! pgh ! pa ! us
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"Marshall, Steve" <smarshall@wsi.com> writes:
> I have developed a small patch to optimizer/util/plancat.c that 
> eliminates one of hte caveats associated with constraint exclusions, 
> namely the inability to avoid searching tables based on the results of 
> stable functions.

Do you not understand why this is completely unsafe?

			regards, tom lane

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