Re: [HACKERS] GSoC 2017: weekly progress reports (week 6)

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От
Alvaro Herrera
Тема
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6)
Дата
Msg-id
20180329120626.jjpap6cr7x5h23ds@alvherre.pgsql
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Дерево обсуждения
[HACKERS] GSoC 2017: weekly progress reports (week 6) Shubham Barai <shubhambaraiss@gmail.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Shubham Barai <shubhambaraiss@gmail.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Shubham Barai <shubhambaraiss@gmail.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Shubham Barai <shubhambaraiss@gmail.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Shubham Barai <shubhambaraiss@gmail.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Michael Paquier <michael.paquier@gmail.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Shubham Barai <shubhambaraiss@gmail.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Thomas Munro <thomas.munro@enterprisedb.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Shubham Barai <shubhambaraiss@gmail.com>
Re: GSoC 2017: weekly progress reports (week 6) Andres Freund <andres@anarazel.de>
Re: GSoC 2017: weekly progress reports (week 6) Alvaro Herrera <alvherre@2ndquadrant.com>
Re: GSoC 2017: weekly progress reports (week 6) Andres Freund <andres@anarazel.de>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Shubham Barai <shubhambaraiss@gmail.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Andrey Borodin <x4mmm@yandex-team.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alvaro Herrera <alvherre@alvh.no-ip.org>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Shubham Barai <shubhambaraiss@gmail.com>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Dmitry Ivanov <d.ivanov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Heikki Linnakangas <hlinnaka@iki.fi>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Andrey Borodin <x4mmm@yandex-team.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Heikki Linnakangas <hlinnaka@iki.fi>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Andrey Borodin <x4mmm@yandex-team.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alvaro Herrera <alvherre@alvh.no-ip.org>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Heikki Linnakangas <hlinnaka@iki.fi>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alvaro Herrera <alvherre@alvh.no-ip.org>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alvaro Herrera <alvherre@alvh.no-ip.org>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Dmitry Ivanov <d.ivanov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Andrey Borodin <x4mmm@yandex-team.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Heikki Linnakangas <hlinnaka@iki.fi>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Teodor Sigaev <teodor@sigaev.ru>
Re: [HACKERS] GSoC 2017: weekly progress reports (week 6) Andrey Borodin <x4mmm@yandex-team.ru>
I don't quite understand the new call in gininsert -- I mean I see that
it wants to check for conflicts even when fastupdate is set, but why?
Maybe, just maybe, it would be better to add a new flag to the
GinCheckForSerializableConflictIn function, that's passed differently
for this one callsite, and then a comment next to it that indicates why
do we test for fastupdates in one case and not the other case.
If you don't like this idea, then I think more commentary on why
fastupdate is not considered in gininsert is warranted.

In startScanEntry, if you "goto restartScanEntry" in the fastupdate
case, are you trying to acquire the same lock again?  Maybe the lock
acquire should occur before the goto target? (If this doesn't matter for
some reason, maybe add a comment about it)

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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