nbtree: Tweak _bt_pgaddtup() comments.
authorPeter Geoghegan <pg@bowt.ie>
Mon, 18 Nov 2019 21:04:53 +0000 (13:04 -0800)
committerPeter Geoghegan <pg@bowt.ie>
Mon, 18 Nov 2019 21:04:53 +0000 (13:04 -0800)
commit2110f716965fe1ac5af83380aa108541b1457e0d
treecd4694ba332f93ba4c6dcb1a025bf06816d54f19
parentbf2efc55da9a1a33da32fa383db9db2f2c49b2cb
nbtree: Tweak _bt_pgaddtup() comments.

Make it clear that _bt_pgaddtup() truncates the first data item on an
internal page because its key is supposed to be treated as minus
infinity within _bt_compare().
src/backend/access/nbtree/nbtinsert.c
src/backend/access/nbtree/nbtsort.c