RE: Partial aggregates pushdown

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От Fujii.Yuki@df.MitsubishiElectric.co.jp"
Тема RE: Partial aggregates pushdown
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Msg-id OS3PR01MB66601F4809974F6A8275131195C1A@OS3PR01MB6660.jpnprd01.prod.outlook.com
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Ответ на Re: Partial aggregates pushdown  (Alexander Pyhalov <a.pyhalov@postgrespro.ru>)
Ответы RE: Partial aggregates pushdown
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Hi Mr.Pyhalov.

Alexander Pyhalov <a.pyhalov@postgrespro.ru>
Thursday, September 28, 2023 3:16 PM
> It seems to me that *fdw postfixes don't clarify things, but just make naming more ugly.
I have removed *fdw postfixes.

> + * Adding these Vars and PlaceHolderVars to PathTarget,
> + * FDW cannot deparse this by the original List of SortGroupClauses.
> + * So, before this adding process,
> + * setGroupClausePartial generates another Pathtarget and another
> + * List of SortGroupClauses for FDW.
> 
> It seems that something like:
> 
> /*
>   * Modified PathTarget cannot be used by FDW as-is to deparse this statement.
>   * So, before modifying PathTarget, setGroupClausePartial generates
>   * another Pathtarget and another list List of SortGroupClauses
>   * to make deparsing possible.
>   */
> 
> sounds better.
Thank you for the suggested modifications. I have modified it according to your suggestion.

Sincerely yours,
Yuuki Fujii

--
Yuuki Fujii
Information Technology R&D Center Mitsubishi Electric Corporation

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