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Add regression test coverage for contrib/pg_buffercache.

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We can't check the output of this view very closely without
creating portability headaches, but we can make sure that
the number of rows is as-expected.  In any case, this is
sufficient to exercise all the C code within, which is a
lot better than the 0% coverage we had before.

DongWook Lee

Discussion: https://postgr.es/m/CAAcByaLCHGJB7qAENEcx9D09UL=w4ma+yijwF_-1MSqQZ9wK6Q@mail.gmail.com
This commit is contained in:
Tom Lane
2022-07-30 15:33:44 -04:00
parent d8e34fa7a1
commit be39d88934
4 changed files with 22 additions and 0 deletions
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6
contrib/pg_buffercache/sql/pg_buffercache.sql Normal file
View File

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CREATE EXTENSION pg_buffercache;
select count(*) = (select setting::bigint
from pg_settings
where name = 'shared_buffers')
from pg_buffercache;