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From: Tom Lane <[email protected]>
To: Chengkai Li <[email protected]>
Cc: [email protected]
Subject: Re: directly construct a query plan
Date: Mon, 04 Oct 2004 15:02:51 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

"Chengkai Li" <[email protected]> writes:
> I plan to directly construct a query plan without going through the query 
> optimizer, by manipulating the various data structures for representing 
> query plan tree and parse tree. Is there any facility inside/outside 
> postgresql that can be of help? Is there any known issue/difficulty related 
> to this?

Only that your code *will* break in each future release, because we have
no hesitation about whacking those data structures around ...

			regards, tom lane

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