On 5 January 2018 at 03:18, Alexander Korotkov <a.korot...@postgrespro.ru>
wrote:

> On Thu, Jan 4, 2018 at 7:07 PM, Andrey Borodin <x4...@yandex-team.ru>
> wrote:
>
>> 29 нояб. 2017 г., в 22:50, Shubham Barai <shubhambara...@gmail.com>
>> написал(а):
>>
>>  I have fixed formatting style. Please take a look at updated patch.
>>
>>
>> Here's rebased patch. Every issue has been addressed, so I'm marking this
>> patch as ready for committer.
>>
>
> I'm sorry for concentrating on boring things, but formatting of
> predicate-gist.spec still doesn't look good for me.
>
> # To verify serialization failures, queries and permutations are written
>> in such
>> # a way that an index scan(from one transaction) and an index insert(from
>> another
>> # transaction) will try to access the same part(sub-tree) of the index.
>> #
>> # To check reduced false positives, queries and permutations are written
>> in such
>> # a way that an index scan(from one transaction) and an index insert(from
>> another
>> # transaction) will try to access different parts(sub-tree) of the index.
>>
>
> No space before open bracket (I think it should be when there are multiple
> words brackets).
> Also, we're trying to fit our lines to 80 characters (if it's not
> objectively difficult).
> And these are two almost same paragraphs.  I think it should be simplified.
>
> setup
>> {
>>  create table gist_point_tbl(id int4, p point);
>>  create index gist_pointidx on gist_point_tbl using gist(p);
>>  insert into gist_point_tbl (id, p)
>>  select g, point(g*10, g*10) from generate_series(1, 1000) g;
>> }
>> setup
>> {
>>   BEGIN ISOLATION LEVEL SERIALIZABLE;
>>   set enable_seqscan=off;
>>   set enable_bitmapscan=off;
>>   set enable_indexonlyscan=on;
>> }
>> setup {
>>   BEGIN ISOLATION LEVEL SERIALIZABLE;
>>   set enable_seqscan=off;
>>   set enable_bitmapscan=off;
>>   set enable_indexonlyscan=on;
>> }
>
>
> I didn't get idea of using various indentation styles for same purpose.
>
> step "wx3" { insert into gist_point_tbl (id, p)
>>                   select g, point(g*500, g*500) from generate_series(12,
>> 18) g; }
>
>
> Indented using spaces here...
>
>
I have fixed formatting issues. Please have a look at updated patch.


Regards,
Shubham

Attachment: Predicate-locking-in-gist-index_7.patch
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