pgsql: Fix incorrect computations of length of null bitmap inpageinspe

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От Tom Lane
Тема pgsql: Fix incorrect computations of length of null bitmap inpageinspe
Дата
Msg-id E1eXBfV-0007p0-6S@gemulon.postgresql.org
обсуждение исходный текст
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Fix incorrect computations of length of null bitmap in pageinspect.

Instead of using our standard macro for this calculation, this code
did it itself ... and got it wrong, leading to incorrect display of
the null bitmap in some cases.  Noted and fixed by Maksim Milyutin.

In passing, remove a uselessly duplicative error check.

Errors were introduced in commit d6061f83a; back-patch to 9.6
where that came in.

Maksim Milyutin, reviewed by Andrey Borodin

Discussion: https://postgr.es/m/ec295792-a69f-350f-6287-25a20e8f31d5@gmail.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/39cfe86195f0b5cbc5fbe8d4e3aa6e2b0e322d0b

Modified Files
--------------
contrib/pageinspect/expected/page.out | 17 +++++++++++++++++
contrib/pageinspect/heapfuncs.c       | 15 +++++----------
contrib/pageinspect/sql/page.sql      |  8 ++++++++
3 files changed, 30 insertions(+), 10 deletions(-)


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