Re: Killing off removed rels properly

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От Richard Guo
Тема Re: Killing off removed rels properly
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Msg-id CAMbWs4_zhe22XqurMdcTx0PpSovHnCJSii3LXiutF_Hpdb9bxg@mail.gmail.com
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Ответ на Killing off removed rels properly  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Sat, Feb 11, 2023 at 4:50 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
I think it's time to clean this up by removing the rel from the
planner data structures altogether.  The attached passes check-world,
and if it does trigger any problems I would say that's a clear
sign of bugs elsewhere.

+1. The patch looks good to me.  One minor comment is that we should
also remove the comments about RELOPT_DEADREL in pathnodes.h.

 * Lastly, there is a RelOptKind for "dead" relations, which are base rels
 * that we have proven we don't need to join after all.

Thanks
Richard 

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