diff --git a/tests/fullstack-test-dt/expr/compare_null.test b/tests/fullstack-test-dt/expr/compare_null.test
index 14e16caa5b2..43523fdf1d5 100644
--- a/tests/fullstack-test-dt/expr/compare_null.test
+++ b/tests/fullstack-test-dt/expr/compare_null.test
@@ -15,7 +15,7 @@
 # Must enable DT rough set filter and open debug level log to run this test, otherwise disable this test
 mysql> drop table if exists test.t;
 
-mysql> create table test.t (a datetime);
+mysql> create table test.t (a date);
 
 mysql> insert into test.t values("2024-08-26"),("2024-08-25"),("2024-08-24"),("2024-08-23");
 
@@ -28,22 +28,22 @@ mysql> alter table test.t compact tiflash replica;
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a between NULL and '2024-08-25';
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where not (a between NULL and '2024-08-25');
-+---------------------+
-| a                   |
-+---------------------+
-| 2024-08-26 00:00:00 |
-+---------------------+
++------------+
+| a          |
++------------+
+| 2024-08-26 |
++------------+
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a in (NULL);
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a not in (NULL);
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a in (NULL, "2024-08-26");
-+---------------------+
-| a                   |
-+---------------------+
-| 2024-08-26 00:00:00 |
-+---------------------+
++------------+
+| a          |
++------------+
+| 2024-08-26 |
++------------+
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a not in (NULL, "2024-08-26");
 
@@ -53,7 +53,7 @@ mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t w
 
 mysql> drop table if exists test.t;
 
-mysql> create table test.t (a datetime);
+mysql> create table test.t (a date);
 
 mysql> insert into test.t values("2024-08-26"),("2024-08-26"),("2024-08-26"),("2024-08-26");
 
@@ -64,14 +64,14 @@ func> wait_table test t
 mysql> alter table test.t compact tiflash replica;
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a in (NULL, "2024-08-26");
-+---------------------+
-| a                   |
-+---------------------+
-| 2024-08-26 00:00:00 |
-| 2024-08-26 00:00:00 |
-| 2024-08-26 00:00:00 |
-| 2024-08-26 00:00:00 |
-+---------------------+
++------------+
+| a          |
++------------+
+| 2024-08-26 |
+| 2024-08-26 |
+| 2024-08-26 |
+| 2024-08-26 |
++------------+
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a not in (NULL, "2024-08-26");
 
@@ -79,7 +79,7 @@ mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t w
 
 mysql> drop table if exists test.t;
 
-mysql> create table test.t (a datetime not null);
+mysql> create table test.t (a date not null);
 
 mysql> insert into test.t values("2024-08-26"),("2024-08-25"),("2024-08-24"),("2024-08-23");
 
@@ -92,22 +92,22 @@ mysql> alter table test.t compact tiflash replica;
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a between NULL and '2024-08-25';
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where not (a between NULL and '2024-08-25');
-+---------------------+
-| a                   |
-+---------------------+
-| 2024-08-26 00:00:00 |
-+---------------------+
++------------+
+| a          |
++------------+
+| 2024-08-26 |
++------------+
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a in (NULL);
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a not in (NULL);
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a in (NULL, "2024-08-26");
-+---------------------+
-| a                   |
-+---------------------+
-| 2024-08-26 00:00:00 |
-+---------------------+
++------------+
+| a          |
++------------+
+| 2024-08-26 |
++------------+
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a not in (NULL, "2024-08-26");
 
@@ -117,7 +117,7 @@ mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t w
 
 mysql> drop table if exists test.t;
 
-mysql> create table test.t (a datetime not null);
+mysql> create table test.t (a date not null);
 
 mysql> insert into test.t values("2024-08-26"),("2024-08-26"),("2024-08-26"),("2024-08-26");
 
@@ -128,13 +128,13 @@ func> wait_table test t
 mysql> alter table test.t compact tiflash replica;
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a in (NULL, "2024-08-26");
-+---------------------+
-| a                   |
-+---------------------+
-| 2024-08-26 00:00:00 |
-| 2024-08-26 00:00:00 |
-| 2024-08-26 00:00:00 |
-| 2024-08-26 00:00:00 |
-+---------------------+
++------------+
+| a          |
++------------+
+| 2024-08-26 |
+| 2024-08-26 |
+| 2024-08-26 |
+| 2024-08-26 |
++------------+
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t where a not in (NULL, "2024-08-26");
\ No newline at end of file