From 01ae881e1c83ddb79df0a5cf6cee38c3ce4a327b Mon Sep 17 00:00:00 2001 From: Robert Haas Date: Thu, 8 Dec 2016 14:59:46 -0500 Subject: [PATCH] Fix bogus comment. Commit 4212cb73262bbdd164727beffa4c4744b4ead92d rendered a comment in execMain.c incorrect. Per complaint from Tom Lane, repair. Patch from Amit Kapila, per wording suggested by Tom Lane and me. --- src/backend/executor/execMain.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c index 0f47c7e010..d43a204808 100644 --- a/src/backend/executor/execMain.c +++ b/src/backend/executor/execMain.c @@ -1550,9 +1550,10 @@ ExecutePlan(EState *estate, estate->es_direction = direction; /* - * If a tuple count was supplied or data is being written to relation, we - * must force the plan to run without parallelism, because we might exit - * early. + * If a tuple count was supplied, we must force the plan to run without + * parallelism, because we might exit early. Also disable parallelism + * when writing into a relation, because no database changes are allowed + * in parallel mode. */ if (numberTuples || dest->mydest == DestIntoRel) use_parallel_mode = false;