From 49d6627e316650e7e2b099ee2fa4786e980ceaa3 Mon Sep 17 00:00:00 2001
From: shuke <37901441+shuke987@users.noreply.github.com>
Date: Wed, 20 Sep 2023 21:34:30 +0800
Subject: [PATCH] [test](pipelinex) disable pipelinex case temporaraly #24699

---
 .../pipelineX/test_distinct_streaming_agg_operator.groovy       | 2 +-
 regression-test/suites/pipelineX/test_repeat_operator.groovy    | 2 +-
 regression-test/suites/pipelineX/test_union_operator.groovy     | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.1.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.2.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.3.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.1.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.2.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.3.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.1.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.2.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.3.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.4.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.1.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.2.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.3.sql | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.1.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.2.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.3.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.1.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.2.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.3.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.1.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.2.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.3.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.4.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.1.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.2.sql      | 2 +-
 regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.3.sql      | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q01.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q02.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q03.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q04.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q05.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q06.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q07.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q08.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q09.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q10.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q11.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q12.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q13.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q14.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q15.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q16.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q17.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q18.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q19.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q20.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q21.sql        | 2 +-
 .../suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q22.sql        | 2 +-
 51 files changed, 51 insertions(+), 51 deletions(-)

diff --git a/regression-test/suites/pipelineX/test_distinct_streaming_agg_operator.groovy b/regression-test/suites/pipelineX/test_distinct_streaming_agg_operator.groovy
index f0337fcfc7..a8fc2d5868 100644
--- a/regression-test/suites/pipelineX/test_distinct_streaming_agg_operator.groovy
+++ b/regression-test/suites/pipelineX/test_distinct_streaming_agg_operator.groovy
@@ -61,7 +61,7 @@ suite("test_distinct_streaming_agg_operator") {
         select k6 from baseall group by k6 order by k6;
     """
     
-    sql"""set experimental_enable_pipeline_x_engine=true;    """
+    sql"""set experimental_enable_pipeline_x_engine=false;    """
 
     qt_pipelineX_1 """
         select * from ( select k1,k2,k3 from baseall union select k1,k2,k3 from baseall) as t  ORDER BY 1, 2,3;
diff --git a/regression-test/suites/pipelineX/test_repeat_operator.groovy b/regression-test/suites/pipelineX/test_repeat_operator.groovy
index 57357b0b4a..cb164aab09 100644
--- a/regression-test/suites/pipelineX/test_repeat_operator.groovy
+++ b/regression-test/suites/pipelineX/test_repeat_operator.groovy
@@ -70,7 +70,7 @@ suite("test_repeat_operator") {
         ORDER BY k1, k2,k3;
     """
     
-    sql"""set experimental_enable_pipeline_x_engine=true;    """
+    sql"""set experimental_enable_pipeline_x_engine=false;    """
 
     qt_pipelineX """
         SELECT k1, k2
diff --git a/regression-test/suites/pipelineX/test_union_operator.groovy b/regression-test/suites/pipelineX/test_union_operator.groovy
index 59448c35ec..7f606cfa7f 100644
--- a/regression-test/suites/pipelineX/test_union_operator.groovy
+++ b/regression-test/suites/pipelineX/test_union_operator.groovy
@@ -80,7 +80,7 @@ suite("test_union_operator") {
 
     """
     
-    sql"""set experimental_enable_pipeline_x_engine=true,parallel_pipeline_task_num = 8;;    """
+    sql"""set experimental_enable_pipeline_x_engine=false,parallel_pipeline_task_num = 8;;    """
 
     qt_pipelineX """
         SELECT count(*)
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.1.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.1.sql
index c3d19b67a2..67aa90696d 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.1.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.1.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ SUM(LO_EXTENDEDPRICE * LO_DISCOUNT) AS revenue
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ SUM(LO_EXTENDEDPRICE * LO_DISCOUNT) AS revenue
 FROM lineorder_flat
 WHERE
     LO_ORDERDATE >= 19930101
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.2.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.2.sql
index 6ab6ceea34..d3d9b16cc7 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.2.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.2.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q1.2
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ SUM(LO_EXTENDEDPRICE * LO_DISCOUNT) AS revenue
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ SUM(LO_EXTENDEDPRICE * LO_DISCOUNT) AS revenue
 FROM lineorder_flat
 WHERE
     LO_ORDERDATE >= 19940101
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.3.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.3.sql
index 70796c2a95..b22efea51b 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.3.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q1.3.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q1.3
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ SUM(LO_EXTENDEDPRICE * LO_DISCOUNT) AS revenue
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ SUM(LO_EXTENDEDPRICE * LO_DISCOUNT) AS revenue
 FROM lineorder_flat
 WHERE
     weekofyear(LO_ORDERDATE) = 6
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.1.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.1.sql
index 57f2ada296..7dbab32f96 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.1.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.1.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q2.1
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
     SUM(LO_REVENUE), (LO_ORDERDATE DIV 10000) AS YEAR,
     P_BRAND
 FROM lineorder_flat
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.2.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.2.sql
index 9b7a5db502..884a7288fd 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.2.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.2.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q2.2
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
     SUM(LO_REVENUE), (LO_ORDERDATE DIV 10000) AS YEAR,
     P_BRAND
 FROM lineorder_flat
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.3.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.3.sql
index 3a8a5e74d4..7180f48a4a 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.3.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q2.3.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q2.3
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
     SUM(LO_REVENUE), (LO_ORDERDATE DIV 10000) AS YEAR,
     P_BRAND
 FROM lineorder_flat
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.1.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.1.sql
index 6b3257f1f3..927e504328 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.1.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.1.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q3.1
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
     C_NATION,
     S_NATION, (LO_ORDERDATE DIV 10000) AS YEAR,
     SUM(LO_REVENUE) AS revenue
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.2.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.2.sql
index fefe727da8..63ac795392 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.2.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.2.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q3.2
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
     C_CITY,
     S_CITY, (LO_ORDERDATE DIV 10000) AS YEAR,
     SUM(LO_REVENUE) AS revenue
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.3.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.3.sql
index c4560b701e..25430249b0 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.3.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.3.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q3.3
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
     C_CITY,
     S_CITY, (LO_ORDERDATE DIV 10000) AS YEAR,
     SUM(LO_REVENUE) AS revenue
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.4.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.4.sql
index 4ae5d956e4..de07505900 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.4.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q3.4.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q3.4
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
     C_CITY,
     S_CITY, (LO_ORDERDATE DIV 10000) AS YEAR,
     SUM(LO_REVENUE) AS revenue
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.1.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.1.sql
index 87b29bf160..263b9e55e4 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.1.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.1.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q4.1
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ (LO_ORDERDATE DIV 10000) AS YEAR,
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ (LO_ORDERDATE DIV 10000) AS YEAR,
     C_NATION,
     SUM(LO_REVENUE - LO_SUPPLYCOST) AS profit
 FROM lineorder_flat
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.2.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.2.sql
index 8ea28f3f12..587eeef262 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.2.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.2.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q4.2
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ (LO_ORDERDATE DIV 10000) AS YEAR,
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ (LO_ORDERDATE DIV 10000) AS YEAR,
     S_NATION,
     P_CATEGORY,
     SUM(LO_REVENUE - LO_SUPPLYCOST) AS profit
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.3.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.3.sql
index 0f7c7401ab..fadb807c0b 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.3.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_flat_q4.3.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 --Q4.3
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ (LO_ORDERDATE DIV 10000) AS YEAR,
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ (LO_ORDERDATE DIV 10000) AS YEAR,
     S_CITY,
     P_BRAND,
     SUM(LO_REVENUE - LO_SUPPLYCOST) AS profit
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.1.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.1.sql
index 50b50bc368..934377807c 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.1.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.1.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ SUM(lo_extendedprice*lo_discount) AS
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ SUM(lo_extendedprice*lo_discount) AS
 REVENUE
 FROM  lineorder, date
 WHERE  lo_orderdate = d_datekey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.2.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.2.sql
index 77c0262016..a86974c8a1 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.2.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.2.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ SUM(lo_extendedprice*lo_discount) AS
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ SUM(lo_extendedprice*lo_discount) AS
 REVENUE
 FROM  lineorder, date
 WHERE  lo_orderdate = d_datekey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.3.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.3.sql
index 0052db0aac..41ac021e96 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.3.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q1.3.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ SUM(lo_extendedprice*lo_discount) AS
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ SUM(lo_extendedprice*lo_discount) AS
 REVENUE
 FROM  lineorder, date
 WHERE  lo_orderdate = d_datekey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.1.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.1.sql
index a47ec82b51..b477781037 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.1.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.1.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ SUM(lo_revenue), d_year, p_brand
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ SUM(lo_revenue), d_year, p_brand
 FROM lineorder, date, part, supplier
 WHERE lo_orderdate = d_datekey
 AND lo_partkey = p_partkey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.2.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.2.sql
index 9ab1a95d4d..fc95bc2d87 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.2.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.2.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ SUM(lo_revenue), d_year, p_brand
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ SUM(lo_revenue), d_year, p_brand
 FROM lineorder, date, part, supplier
 WHERE lo_orderdate = d_datekey
 AND lo_partkey = p_partkey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.3.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.3.sql
index b7e6bd7840..20f6baf359 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.3.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q2.3.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ SUM(lo_revenue), d_year, p_brand
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ SUM(lo_revenue), d_year, p_brand
 FROM lineorder, date, part, supplier
 WHERE  lo_orderdate = d_datekey
 AND lo_partkey = p_partkey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.1.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.1.sql
index 85c470b708..daead15361 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.1.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.1.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ c_nation, s_nation, d_year,
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ c_nation, s_nation, d_year,
 SUM(lo_revenue)  AS  REVENUE
 FROM customer, lineorder, supplier, date
 WHERE lo_custkey = c_custkey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.2.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.2.sql
index cd0b320f87..1b729ea6f8 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.2.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.2.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ c_city, s_city, d_year, sum(lo_revenue)
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ c_city, s_city, d_year, sum(lo_revenue)
 AS  REVENUE
 FROM customer, lineorder, supplier, date
 WHERE  lo_custkey = c_custkey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.3.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.3.sql
index 89765c02d9..90450d3729 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.3.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.3.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ c_city, s_city, d_year, SUM(lo_revenue)
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ c_city, s_city, d_year, SUM(lo_revenue)
 AS  REVENUE
 FROM customer, lineorder, supplier, date
 WHERE lo_custkey = c_custkey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.4.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.4.sql
index 5cef87a3fe..c59e9f10b0 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.4.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q3.4.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ c_city, s_city, d_year, SUM(lo_revenue)
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ c_city, s_city, d_year, SUM(lo_revenue)
 AS  REVENUE
 FROM customer, lineorder, supplier, date
 WHERE lo_custkey = c_custkey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.1.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.1.sql
index 3e0227c2ea..767af86aba 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.1.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.1.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ d_year, c_nation,
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ d_year, c_nation,
 SUM(lo_revenue - lo_supplycost) AS PROFIT
 FROM date, customer, supplier, part, lineorder
 WHERE lo_custkey = c_custkey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.2.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.2.sql
index 1338e780ae..8accfc8e5a 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.2.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.2.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ d_year, s_nation, p_category,
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ d_year, s_nation, p_category,
 SUM(lo_revenue - lo_supplycost) AS PROFIT
 FROM date, customer, supplier, part, lineorder
 WHERE lo_custkey = c_custkey
diff --git a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.3.sql b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.3.sql
index d8e6f7c42d..f5411faaa4 100644
--- a/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.3.sql
+++ b/regression-test/suites/ssb_sf0.1_p1/sql/pipelinex_q4.3.sql
@@ -15,7 +15,7 @@
 -- specific language governing permissions and limitations
 -- under the License.
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ d_year, s_city, p_brand,
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ d_year, s_city, p_brand,
 SUM(lo_revenue - lo_supplycost) AS PROFIT
 FROM date, customer, supplier, part, lineorder
 WHERE lo_custkey = c_custkey
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q01.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q01.sql
index ded6754a97..78b560ff24 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q01.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q01.sql
@@ -1,5 +1,5 @@
 -- tables: lineitem
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   l_returnflag,
   l_linestatus,
   sum(l_quantity)                                       AS sum_qty,
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q02.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q02.sql
index f102f7504d..510c3d117d 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q02.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q02.sql
@@ -1,5 +1,5 @@
 -- tables: part,supplier,partsupp,nation,region
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   s_acctbal,
   s_name,
   n_name,
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q03.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q03.sql
index 8bd60f0e07..360e51763f 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q03.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q03.sql
@@ -1,5 +1,5 @@
 -- tables: customer,orders,lineitem
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   l_orderkey,
   sum(l_extendedprice * (1 - l_discount)) AS revenue,
   o_orderdate,
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q04.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q04.sql
index 3f44094729..99a1213d5c 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q04.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q04.sql
@@ -1,5 +1,5 @@
 -- tables: orders,lineitem
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   o_orderpriority,
   count(*) AS order_count
 FROM orders
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q05.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q05.sql
index ed179f8b86..871c3cc84c 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q05.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q05.sql
@@ -1,5 +1,5 @@
 -- tables: customer,orders,lineitem,supplier,nation,region
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   n_name,
   sum(l_extendedprice * (1 - l_discount)) AS revenue
 FROM
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q06.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q06.sql
index 2dd86f8c2c..b08a070250 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q06.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q06.sql
@@ -1,6 +1,6 @@
 -- tables: lineitem
 
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ sum(l_extendedprice * l_discount) AS revenue
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ sum(l_extendedprice * l_discount) AS revenue
 FROM
   lineitem
 WHERE
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q07.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q07.sql
index 6453c1094a..77c13aa4e8 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q07.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q07.sql
@@ -1,5 +1,5 @@
 -- tables: supplier,lineitem,orders,customer,nation
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   supp_nation,
   cust_nation,
   l_year,
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q08.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q08.sql
index e4c46fb084..bbdb4fea58 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q08.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q08.sql
@@ -1,5 +1,5 @@
 -- tables: part,supplier,lineitem,orders,customer,nation,region
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   o_year,
   sum(CASE
       WHEN nation = 'BRAZIL'
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q09.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q09.sql
index cee9925fb5..0e7e1a6326 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q09.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q09.sql
@@ -1,5 +1,5 @@
 -- tables: part,supplier,lineitem,partsupp,orders,nation
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   nation,
   o_year,
   sum(amount) AS sum_profit
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q10.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q10.sql
index c95a80fcee..2a78f2931f 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q10.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q10.sql
@@ -1,5 +1,5 @@
 -- tables: customer,orders,lineitem,nation
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   c_custkey,
   c_name,
   sum(l_extendedprice * (1 - l_discount)) AS revenue,
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q11.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q11.sql
index b23701e940..eb0987288a 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q11.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q11.sql
@@ -1,5 +1,5 @@
 -- tables: partsupp,supplier,nation
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   ps_partkey,
   sum(ps_supplycost * ps_availqty) AS value
 FROM
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q12.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q12.sql
index e8893e71e4..d72e552a33 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q12.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q12.sql
@@ -1,5 +1,5 @@
 -- tables: orders,lineitem
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   l_shipmode,
   sum(CASE
       WHEN o_orderpriority = '1-URGENT'
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q13.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q13.sql
index 9db2da60ee..d222de8694 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q13.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q13.sql
@@ -1,5 +1,5 @@
 -- tables: customer
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   c_count,
   count(*) AS custdist
 FROM (
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q14.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q14.sql
index 70d7a57d07..b70a8abfd8 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q14.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q14.sql
@@ -1,5 +1,5 @@
 -- tables: lineitem,part
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ 100.00 * sum(CASE
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ 100.00 * sum(CASE
                     WHEN p_type LIKE 'PROMO%'
                       THEN l_extendedprice * (1 - l_discount)
                     ELSE 0
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q15.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q15.sql
index 45f75ff985..fd526df87b 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q15.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q15.sql
@@ -1,4 +1,4 @@
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   s_suppkey,
   s_name,
   s_address,
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q16.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q16.sql
index 37a438c796..c21c8fb494 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q16.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q16.sql
@@ -1,5 +1,5 @@
 -- tables: partsupp,part,supplier
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   p_brand,
   p_type,
   p_size,
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q17.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q17.sql
index 62f39a750c..ae11f9c699 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q17.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q17.sql
@@ -1,5 +1,5 @@
 -- tables: lineitem,part
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ sum(l_extendedprice) / 7.0 AS avg_yearly
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ sum(l_extendedprice) / 7.0 AS avg_yearly
 FROM
   lineitem,
   part
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q18.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q18.sql
index 2eb2505c01..910b9ffc7f 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q18.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q18.sql
@@ -1,5 +1,5 @@
 -- tables: customer,orders,lineitem
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   c_name,
   c_custkey,
   o_orderkey,
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q19.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q19.sql
index 16e543f87c..b55400e4ae 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q19.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q19.sql
@@ -1,5 +1,5 @@
 -- tables: lineitem,part
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */ sum(l_extendedprice * (1 - l_discount)) AS revenue
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */ sum(l_extendedprice * (1 - l_discount)) AS revenue
 FROM
   lineitem,
   part
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q20.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q20.sql
index a2aca56790..550c00b4e4 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q20.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q20.sql
@@ -1,5 +1,5 @@
 -- tables: supplier,nation,partsupp,lineitem,part
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   s_name,
   s_address
 FROM
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q21.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q21.sql
index 7b4874f96c..099b5ad106 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q21.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q21.sql
@@ -1,5 +1,5 @@
 -- tables: supplier,lineitem,orders,nation
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   s_name,
   count(*) AS numwait
 FROM
diff --git a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q22.sql b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q22.sql
index bf784175e0..fb0d71a6bc 100644
--- a/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q22.sql
+++ b/regression-test/suites/tpch_unique_sql_zstd_p0/sql/pipelinex_q22.sql
@@ -1,5 +1,5 @@
 -- tables: orders,customer
-SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=true) */
+SELECT /*+SET_VAR(experimental_enable_pipeline_x_engine=false) */
   cntrycode,
   count(*)       AS numcust,
   sum(c_acctbal) AS totacctbal