Re: Reducing duplicativeness of EquivalenceClass-derived clauses

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От Zhang Mingli
Тема Re: Reducing duplicativeness of EquivalenceClass-derived clauses
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Msg-id d3b254ff-adc1-4264-a9f3-c40be30d53eb@Spark
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Ответ на Re: Reducing duplicativeness of EquivalenceClass-derived clauses  (Tom Lane <tgl@sss.pgh.pa.us>)
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Hi,

On Oct 27, 2022, 21:29 +0800, Tom Lane <tgl@sss.pgh.pa.us>, wrote:
Zhang Mingli <zmlpostgres@gmail.com> writes:
How about combine ec->ec_sources and ec->derives as one list for less codes?

Keeping them separate is required for the broken-EC code paths.
Even if it weren't, I wouldn't merge them just to save a couple
of lines of code --- I think it's useful to be able to tell which
clauses the EC started from.

regards, tom lane
Got it, thanks.

Regards,
Zhang Mingli

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