Horton

Re: Possible documentation inaccuracy in optimizer README

David Rowley <dgrowleyml@gmail.com>

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From: David Rowley <dgrowleyml@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Zeyuan Hu <ferrishu3886@gmail.com>, pgsql-docs@postgresql.org
Date: 2025-04-09T02:36:57Z
Lists: pgsql-docs 
On Wed, 9 Apr 2025 at 14:33, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Maybe better:
>
>         Other possibilities will be excluded for lack of join clauses.
>         (In reality, use of EquivalenceClasses would allow us to
>         deduce additional join clauses that allow more join
>         combinations, but here we ignore that to preserve the
>         simplicity of this example.)

Looks good to me.

David

Commits

  1. Doc: note that two examples in optimizer/README are oversimplified.