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Re: Make EXPLAIN generate a generic plan for a parameterized query - Mailing list pgsql-hackers

From Laurenz Albe
Subject Re: Make EXPLAIN generate a generic plan for a parameterized query
Date
Msg-id 5ebe9c28d740a4bc4ad627c281d6a2cbfc684ffc.camel@cybertec.at
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In response to Re: Make EXPLAIN generate a generic plan for a parameterized query  (Julien Rouhaud <rjuju123@gmail.com>)
Responses Re: Make EXPLAIN generate a generic plan for a parameterized query  (Andres Freund <andres@anarazel.de>)
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On Tue, 2022-10-25 at 19:03 +0800, Julien Rouhaud wrote:
> On Tue, Oct 25, 2022 at 11:08:27AM +0200, Laurenz Albe wrote:
> > Here is a patch that
> > implements it with an EXPLAIN option named GENERIC_PLAN.
> 
> I only have a quick look at the patch for now.  Any reason why you don't rely
> on the existing explain_filter() function for emitting stable output (without
> having to remove the costs)?  It would also take care of checking that it works
> in plpgsql.

No, there is no principled reason I did it like that.  Version 2 does it like
you suggest.

Yours,
Laurenz Albe
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