From a94f1503abd720ab25c7f0e536f8158ffed3085c Mon Sep 17 00:00:00 2001 From: Paul Guo Date: Wed, 27 Jan 2021 13:06:16 +0800 Subject: [PATCH v1] Freeze the tuples during CTAS. Actually this is the behavior in materialized view code also. With this unncessary vacuum could be avoided. --- src/backend/commands/createas.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/backend/commands/createas.c b/src/backend/commands/createas.c index dce882012e..0391699423 100644 --- a/src/backend/commands/createas.c +++ b/src/backend/commands/createas.c @@ -552,7 +552,7 @@ intorel_startup(DestReceiver *self, int operation, TupleDesc typeinfo) myState->rel = intoRelationDesc; myState->reladdr = intoRelationAddr; myState->output_cid = GetCurrentCommandId(true); - myState->ti_options = TABLE_INSERT_SKIP_FSM; + myState->ti_options = TABLE_INSERT_SKIP_FSM | TABLE_INSERT_FROZEN; /* * If WITH NO DATA is specified, there is no need to set up the state for -- 2.14.3