Re: [WIP PATCH] Index scan offset optimisation using visibility map - Mailing list pgsql-hackers

From Michail Nikolaev
Subject Re: [WIP PATCH] Index scan offset optimisation using visibility map
Date
Msg-id CANtu0oiYC4Y0Ctk8DUrEM4woZUgVyoH0G3jQ=nzVR2Ftv0aNQQ@mail.gmail.com
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In response to Re: [WIP PATCH] Index scan offset optimisation using visibility map  (Andrey Borodin <x4mmm@yandex-team.ru>)
Responses Re: [WIP PATCH] Index scan offset optimisation using visibility map  (Andrey Borodin <x4mmm@yandex-team.ru>)
Re: [WIP PATCH] Index scan offset optimisation using visibility map  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Hello.

Andrey, Tels - thanks for review.

> It could be named "SkipTuples" (e.g. this is the number of tuples we need
> to skip, not the number we have skipped), and the other one then
> "iss_SkipTuplesRemaining" so they are consistent with each other.  

Agreed, done.

> Also, I think that this check could be removed from loop. We do not expect that it's state will change during execution, do we?  

Removed.

Patch is attached, github is updated too.

Michail.
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