bms_prev_member won't work correctly if bitmapword is 64-bits

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От David Rowley
Тема bms_prev_member won't work correctly if bitmapword is 64-bits
Дата
Msg-id CAKJS1f_EFJRUM_8ptUpoxE7Wbi-NOg3Pd2kbqiWXcn-XHmsVrA@mail.gmail.com
обсуждение исходный текст
Ответы Re: bms_prev_member won't work correctly if bitmapword is 64-bits
Список pgsql-hackers
Дерево обсуждения 
bms_prev_member mistakenly has a hardcoded 24 in the function. This
should really be BITS_PER_BITMAPWORD - 8 so that it is properly set to
56 if someone compiles with 64-bit bitmapwords.

The attached fixes this and also adds a test to exercise the function
a bit. [1] indicates there's currently no coverage of this function at
all.

[1] https://coverage.postgresql.org/src/backend/nodes/bitmapset.c.gcov.html

-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services
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