| From: | Surafel Temesgen <surafel3000(at)gmail(dot)com> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
| Cc: | vik(dot)fearing(at)2ndquadrant(dot)com, Mark Dilger <hornschnorter(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, andrew(at)tao11(dot)riddles(dot)org(dot)uk |
| Subject: | Re: FETCH FIRST clause PERCENT option |
| Date: | 2019-01-30 06:07:40 |
| Message-ID: | CALAY4q-uGA0ZQcuiMWK58gkg2pW7ziSvTDHimHS9pz=F3yzQ7w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Jan 28, 2019 at 1:28 AM Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)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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