Обсуждение: pgsql: Add BRIN test case

Add BRIN test case

This test case was sketched in commit message 4c87010981f3 to explain an
ancient bug; it translates to a coverage increase, so add it to the BRIN
regression tests.

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/611ce856f5a862a291a05d148828208e1f4ed46b

Modified Files
--------------
src/test/regress/expected/brin.out | 19 +++++++++++++++++++
src/test/regress/sql/brin.sql      | 10 ++++++++++
2 files changed, 29 insertions(+)