From: | Dilip Kumar <dilipbalaut(at)gmail(dot)com> |
---|---|
To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Alexander Kumenkov <a(dot)kuzmenkov(at)postgrespro(dot)ru>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Proposal: Improve bitmap costing for lossy pages |
Date: | 2017-10-06 13:34:39 |
Message-ID: | CAFiTN-snowr_c+6Uvewc3qJRoagfngXPxEotOcRn7pDhzvkeSQ@mail.gmail.com |
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Lists: | pgsql-hackers |
On Fri, Oct 6, 2017 at 6:36 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Fri, Oct 6, 2017 at 2:12 AM, Dilip Kumar <dilipbalaut(at)gmail(dot)com> wrote:
>>> The performance results look good, but that's a slightly different
>>> thing from whether the estimate is accurate.
>>>
>>> + nbuckets = tbm_calculate_entires(maxbytes);
>>>
>>> entires?
>>
>> changed to
>> + tbm->maxentries = (int) tbm_calculate_entires(maxbytes);
>
> My point was not that you should add a cast, but that you wrote
> "entires" rather than "entries".
My bad, I thought you were suggesting the variable name as "entries"
instead of "nbuckets" so I removed the variable "nbuckets". I will
fix the typo in the function name and post the patch.
--
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com
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