Re: Parallel bitmap heap scan

From: tushar <tushar(dot)ahuja(at)enterprisedb(dot)com>
To: Dilip Kumar <dilipbalaut(at)gmail(dot)com>
Cc: Amit Khandekar <amitdkhan(dot)pg(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Parallel bitmap heap scan
Date: 2017-01-12 12:27:21
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On 01/11/2017 05:33 PM, tushar wrote:
> On 01/10/2017 05:16 PM, Dilip Kumar wrote:
>> Please try attached patch and confirm from your
>> side.
> Thanks,issue seems to be fixed now.
Prabhat and I have done some testing for this feature and written few
testcases. PFA the sql script(along with the expected .out files)

In addition we have generated the LCOV (code coverage) report and
compared the files which are changed for the "Parallel Bitmap Heap scan"
You can see the numbers for "with_patch" V/s "with_patch+TestCases"
(.pdf file is attached)

The Enterprise PostgreSQL Company

Attachment Content-Type Size
pbhs.sql application/octetstream 24.7 KB
pbhs.out text/plain 98.4 KB
pbhs.pdf application/pdf 48.1 KB

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