From cfcd6ed9ef0584358581972a4badf34567bd60e5 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Wed, 13 Dec 2000 23:45:46 +0000 Subject: [PATCH] Fix thinko for case of outer join where inner table is empty: should output first outer tuple before advancing... --- src/backend/executor/nodeMergejoin.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/backend/executor/nodeMergejoin.c b/src/backend/executor/nodeMergejoin.c index fc416d5def..9b7dc37d8f 100644 --- a/src/backend/executor/nodeMergejoin.c +++ b/src/backend/executor/nodeMergejoin.c @@ -537,12 +537,13 @@ ExecMergeJoin(MergeJoin *node) if (doFillOuter) { /* - * Need to emit left-join tuples for remaining - * outer tuples. We set MatchedOuter = true to - * force the ENDINNER state to advance outer. + * Need to emit left-join tuples for all outer tuples, + * including the one we just fetched. We set + * MatchedOuter = false to force the ENDINNER state + * to emit this tuple before advancing outer. */ mergestate->mj_JoinState = EXEC_MJ_ENDINNER; - mergestate->mj_MatchedOuter = true; + mergestate->mj_MatchedOuter = false; break; } /* Otherwise we're done. */ -- 2.39.5