nbtree page deletion: Add leaftopparent assertion.
authorPeter Geoghegan <pg@bowt.ie>
Tue, 2 Mar 2021 22:06:07 +0000 (14:06 -0800)
committerPeter Geoghegan <pg@bowt.ie>
Tue, 2 Mar 2021 22:06:07 +0000 (14:06 -0800)
commit5b2f2af3d9d57626b9052a05337e32ad1399093d
tree0a499cf2435ca215d6edc9a6d3ef83ab44d6a675
parent3d8d5787a358156edaa7782f0c88e231af974a01
nbtree page deletion: Add leaftopparent assertion.

Add documenting assertion.  This makes it easier to follow how we
maintain the top parent link in target subtree's half-dead/leaf level
page.
src/backend/access/nbtree/nbtpage.c
src/backend/access/nbtree/nbtxlog.c