Re: FETCH FIRST clause PERCENT option

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От Surafel Temesgen
Тема Re: FETCH FIRST clause PERCENT option
Дата
Msg-id CALAY4q_v1p6PimdNUhpqgUY4E1Vv3-81Wm9JPKKZ9DfxCn8h9w@mail.gmail.com
обсуждение исходный текст
Ответ на Re: FETCH FIRST clause PERCENT option  (Surafel Temesgen <surafel3000@gmail.com>)
Ответы Re: FETCH FIRST clause PERCENT option  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
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here is a rebased version of  previous  patch with planner
comment included

regards
Surafel


On Wed, Jan 30, 2019 at 9:07 AM Surafel Temesgen <surafel3000@gmail.com> wrote:


On Mon, Jan 28, 2019 at 1:28 AM Tomas Vondra <tomas.vondra@2ndquadrant.com> wrote:


OK. Does that mean you agree the incremental approach is reasonable?

there are no noticeable performance difference but i love previous
approach more regarding cursor operation it fetch tuple forward and
backward from tuplestore only but in incremental approach we have to 
re execute outer node in every forward and backward fetching operation

regards
Surafel
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