fix_comment_parallel_mode_v1.patch

application/octet-stream

Filename: fix_comment_parallel_mode_v1.patch
Type: application/octet-stream
Part: 0
Message: Re: Parallel execution and prepared statements

Patch

Same data as JSON: GET /api/v1/attachments/:id/patch the parsed metadata as JSON — format, series position, per-file stats; never the diff bytes. API reference →
Format: unified
Series: patch v1
File+
src/backend/executor/execMain.c 4 3
diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c
index 0f47c7e..d43a204 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;