From 4aa5619f5e61b242d42304f6f4072e10075a9378 Mon Sep 17 00:00:00 2001
From: shuke <37901441+shuke987@users.noreply.github.com>
Date: Mon, 13 Jul 2026 16:04:26 +0800
Subject: [PATCH] [fix](regression) stabilize MTMV SQL cache refresh checks

---
 .../suites/query_p0/cache/mtmv_with_sql_cache.groovy     | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/regression-test/suites/query_p0/cache/mtmv_with_sql_cache.groovy b/regression-test/suites/query_p0/cache/mtmv_with_sql_cache.groovy
index daee7669362a55..02eee1bcb6af15 100644
--- a/regression-test/suites/query_p0/cache/mtmv_with_sql_cache.groovy
+++ b/regression-test/suites/query_p0/cache/mtmv_with_sql_cache.groovy
@@ -765,7 +765,14 @@ suite("mtmv_with_sql_cache") {
                             waitingMTMVTaskFinishedByMvName(mv_name1)
                             sleep(10 * 1000)
                             assertNoCache "select * from ${mv_name1}"
-                            assertNoCache mtmv_sql1
+                            // mtmv_sql1 was cached while the MTMV was stale, so the cached plan may
+                            // scan only unchanged base tables and legally survive the MTMV refresh.
+                            // Bypass SQL cache to keep checking that the refreshed MTMV is chosen,
+                            // then compare cached and uncached results for correctness.
+                            sql "set enable_sql_cache=false"
+                            mv_rewrite_success(mtmv_sql1, mv_name1)
+                            sql "set enable_sql_cache=true"
+                            judge_res(mtmv_sql1)
                             assertHasCache "select * from ${nested_mv_name1}"
                             assertNoCache nested_mtmv_sql1