]> granicus.if.org Git - postgresql/commit
Hashed LEFT JOIN would miss outer tuples with no inner match if the join
authorTom Lane <tgl@sss.pgh.pa.us>
Fri, 17 Sep 2004 18:29:54 +0000 (18:29 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Fri, 17 Sep 2004 18:29:54 +0000 (18:29 +0000)
commitf4d5c52a83b9af2346e58c2e036469b8a14cabfa
tree9f303e927441e6b36a6ca83626c9e3a8534b2139
parent3c06653fbd58d5e3708bb6b251e66321a35a5f39
Hashed LEFT JOIN would miss outer tuples with no inner match if the join
was large enough to be batched and the tuples fell into a batch where
there were no inner tuples at all.  Thanks to Xiaoyu Wang for finding a
test case that exposed this long-standing bug.
src/backend/executor/nodeHashjoin.c