Add test for inherited CHECK constraint drop
This code is insufficiently covered by tests, so add a few small test
cases to immortalize its behavior before it gets rewritten completely by
the project to catalog NOT NULL constraints.
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/3da13a6257bc08b1d402c83feb2a35450f988365
Modified Files
--------------
src/test/regress/expected/inherit.out | 109 ++++++++++++++++++++++++++++++++++
src/test/regress/sql/inherit.sql | 39 ++++++++++++
2 files changed, 148 insertions(+)