From 7bea19d0a9d3e6975418ffe685fb510bd31ab434 Mon Sep 17 00:00:00 2001 From: Robert Haas Date: Fri, 26 Feb 2016 16:33:37 +0530 Subject: [PATCH] On second thought, disable parallelism for prepared statements. CREATE TABLE .. AS EXECUTE can turn an apparently read-only query into a write operation, which parallel query can't handle. It's a bit of a shame that requires us to avoid parallel query for queries prepared via PREPARE in all cases, but for right now it does. --- src/backend/commands/prepare.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/backend/commands/prepare.c b/src/backend/commands/prepare.c index b01051df9d..cec37ce040 100644 --- a/src/backend/commands/prepare.c +++ b/src/backend/commands/prepare.c @@ -159,7 +159,7 @@ PrepareQuery(PrepareStmt *stmt, const char *queryString) nargs, NULL, NULL, - CURSOR_OPT_PARALLEL_OK, /* allow parallel mode */ + 0, /* default cursor options */ true); /* fixed result */ /* -- 2.40.0