Re: [HACKERS] [PATCH] pageinspect function to decode infomasks

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От
Alvaro Herrera
Тема
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks
Дата
Msg-id
20190913114950.GA3824@alvherre.pgsql
Ответ на
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Дерево обсуждения
[HACKERS] [PATCH] pageinspect function to decode infomasks Craig Ringer <craig@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Peter Geoghegan <pg@bowt.ie>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Julien Rouhaud <rjuju123@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Craig Ringer <craig@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks "Moon Insung" <Moon_Insung_i3@lab.ntt.co.jp>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Craig Ringer <craig@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks "Moon Insung" <Moon_Insung_i3@lab.ntt.co.jp>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Craig Ringer <craig@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Craig Ringer <craig@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Craig Ringer <craig@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Peter Geoghegan <pg@bowt.ie>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Peter Geoghegan <pg@bowt.ie>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Peter Geoghegan <pg@bowt.ie>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Vik Fearing <vik.fearing@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Peter Geoghegan <pg@bowt.ie>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Craig Ringer <craig@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Alvaro Herrera from 2ndQuadrant <alvherre@alvh.no-ip.org>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Alvaro Herrera from 2ndQuadrant <alvherre@alvh.no-ip.org>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Masahiko Sawada <sawada.mshk@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Craig Ringer <craig@2ndquadrant.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Amit Kapila <amit.kapila16@gmail.com>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Michael Paquier <michael@paquier.xyz>
Re: [HACKERS] [PATCH] pageinspect function to decode infomasks Craig Ringer <craig@2ndquadrant.com>
On 2019-Sep-13, Michael Paquier wrote:

> Attached is a patch to fix your suggestions.  This also removes the
> use of HEAP_XMAX_IS_LOCKED_ONLY which did not make completely sense
> either as a "raw" flag.  While on it, the order of the flags can be
> improved to match more the order of htup_details.h

A thought I had as I fell asleep last night is to include the derivate
flags in a separate output column altogether.  So
heap_tuple_infomask_flags() could be made to return two columns, one
with the straight one-flag-per-bit, and another one with the compound
flags.  That way we always have the raw ones available, and we avoid any
confusion about strange cases such as LOCK_UPGRADED and IS_LOCKED_ONLY.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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