From e79da2ce591a50cca69024ab47668fc2ee3631f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=92=9F=E6=89=BF=E5=BF=97?= <842536125@qq.com>
Date: Fri, 6 Jun 2025 17:37:55 +0800
Subject: [PATCH] 	modified:   gram.y

---
 src/common/backend/parser/gram.y | 32 ++++++--------------------------
 1 file changed, 6 insertions(+), 26 deletions(-)

diff --git a/src/common/backend/parser/gram.y b/src/common/backend/parser/gram.y
index 5536e889a..5cd0d3eef 100644
--- a/src/common/backend/parser/gram.y
+++ b/src/common/backend/parser/gram.y
@@ -10005,34 +10005,14 @@ CreateMatViewStmt:
                                 errmsg("It's not supported to specify distribute key on incremental materialized views")));
                    }
 #endif
+				if (ENABLE_DMS) {
+                        ereport(errstate, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+                            errmsg("matview is not supported while DMS and DSS enabled.")));
+                }
+
+				   $6->ivm = $3;
 				   $$ = (Node *) ctas;
 			   }
-		| CREATE MATERIALIZED VIEW create_mv_target build_deferred AS SelectStmt
-				{
-					CreateTableAsStmt *ctas = makeNode(CreateTableAsStmt);
-					ctas->query = $7;
-					ctas->into = $4;
-					ctas->relkind = OBJECT_MATVIEW;
-					ctas->is_select_into = false;
-					/* cram additional flags into the IntoClause */
-					$4->rel->relpersistence = RELPERSISTENCE_PERMANENT;
-					$4->skipData = $5;
-					$4->ivm = false;
-					$$ = (Node *) ctas;
-				}
-		| CREATE MATERIALIZED VIEW create_mv_target AS SelectStmt opt_with_data
-				{
-					CreateTableAsStmt *ctas = makeNode(CreateTableAsStmt);
-					ctas->query = $6;
-					ctas->into = $4;
-					ctas->relkind = OBJECT_MATVIEW;
-					ctas->is_select_into = false;
-					/* cram additional flags into the IntoClause */
-					$4->rel->relpersistence = RELPERSISTENCE_PERMANENT;
-					$4->skipData = !($7);
-					$4->ivm = false;
-					$$ = (Node *) ctas;
-				}
 	   ;
 
 create_mv_target: