|From:||Michael Paquier <michael(at)paquier(dot)xyz>|
|To:||Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>|
|Cc:||Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Abhijit Menon-Sen <ams(at)2ndquadrant(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Pavan Deolasee <pavan(dot)deolasee(at)2ndquadrant(dot)com>|
|Subject:||Re: [HACKERS] [PATCH] pageinspect function to decode infomasks|
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On Mon, Sep 16, 2019 at 11:11:06AM -0300, Alvaro Herrera wrote:
> On 2019-Sep-16, Michael Paquier wrote:
>> On Mon, Sep 16, 2019 at 11:46:16AM +0530, Amit Kapila wrote:
>> Okay, using two separate columns leads to the attached. Any thoughts?
>> This also includes a fix for cases with IS_LOCKED_ONLY and UPGRADED.
> I like how it looks in the expected test output. Didn't review the code
> closely, but it looks reasonable in a quick glance.
Thanks for the review.
> Whitespace nitpick: pgindent will do something very annoying with
>> + PG_RETURN_DATUM(
>> + HeapTupleGetDatum(heap_form_tuple(tupdesc, values, nulls)));
> I suggest to split the line in the first comma, not in the parens.
Indeed. I am switching to use a HeapTuple as intermediate step
>> + Combined flags include for example <literal>HEAP_XMIN_FROZEN</literal>
>> + which is defined as a set of <literal>HEAP_XMIN_COMMITTED</literal>
>> + and <literal>HEAP_XMIN_INVALID</literal>.
> I suggest something like "Combined flags are displayed for source-level
> macros that take into account the value of more than one raw bit, such
> as HEAP_XMIN_FROZEN". (We probably don't want an exhaustive list, which
> becomes annoying to maintain; users can refer to the source file.)
Yes, I didn't want to provide a list for that exact reason, and your
suggestion of change sounds fine to me.
> There's a typo "bites" in a comment.
Amit, what do you think? Does the patch match with what you have in
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