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

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От Shubham Barai
Тема Re: [HACKERS] GSoC 2017: weekly progress reports (week 6)
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Msg-id CALxAEPu4SqRT8=6RE8rOspgbTrJu+rgNeJ8=zE00K1Lz6Vnfdw@mail.gmail.com
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Ответ на Re: [HACKERS] GSoC 2017: weekly progress reports (week 6)  (Shubham Barai <shubhambaraiss@gmail.com>)
Ответы Re: [HACKERS] GSoC 2017: weekly progress reports (week 6)
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Hi,

Please find the updated patch for predicate locking in gin index here.

There was a small issue in the previous patch. I didn't consider the case
where only root page exists in the tree, and there is a predicate lock on it,
and it gets split. 

If we treat the original page as a left page and create a new root and right
page, then we just need to copy a predicate lock from the left to the right 
page (this is the case in B-tree).

But if we treat the original page as a root and create a new left and right
page, then we need to copy a predicate lock on both new pages (in the case of rum and gin).


Regards,
Shubham




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On 17 July 2017 at 19:08, Shubham Barai <shubhambaraiss@gmail.com> wrote:
Hi,

I am attaching a patch for predicate locking in gin index.


Regards,
Shubham



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On 11 July 2017 at 19:10, Shubham Barai <shubhambaraiss@gmail.com> wrote:
Project: Explicitly support predicate locks in index AMs besides b-tree


I have done following tasks during this week.

1) worked on how to detect rw conflicts when fast update is enabled

2) created tests for different gin operators

3) went through some patches on commitfest to review

4) solved some issues that came up while testing


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