Обсуждение: pgsql: Fix incorrect computations of length of null bitmap inpageinspe

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pgsql: Fix incorrect computations of length of null bitmap inpageinspe

От
Tom Lane
Дата:
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
------
REL9_6_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/ad592f4a6eed64358bf1ec8733c4f0be2a3c85dd

Modified Files
--------------
contrib/pageinspect/heapfuncs.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)