Arrange for hash join to skip scanning the outer relation if it detects
authorTom Lane <tgl@sss.pgh.pa.us>
Wed, 22 Sep 2004 19:13:52 +0000 (19:13 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Wed, 22 Sep 2004 19:13:52 +0000 (19:13 +0000)
commit9fcbe2af11fb966b30117d8ac3c2971d1be14207
tree456b8fcfc82600ec866e153a8f06a0f77a614831
parent5d9f5c20dd29ac9dde19c283a821709839fae102
Arrange for hash join to skip scanning the outer relation if it detects
that the inner one is completely empty.  Per recent discussion.  Also some
cosmetic cleanups in nearby code.
src/backend/executor/nodeHash.c
src/backend/executor/nodeHashjoin.c
src/include/executor/hashjoin.h