diff --git a/src/sql/src/parsers/alter_parser.rs b/src/sql/src/parsers/alter_parser.rs
index 03aa63b66e0e..f590b4cf3ede 100644
--- a/src/sql/src/parsers/alter_parser.rs
+++ b/src/sql/src/parsers/alter_parser.rs
@@ -320,7 +320,9 @@ mod tests {
             ParserContext::create_with_dialect(sql, &GreptimeDbDialect {}, ParseOptions::default())
                 .unwrap_err();
         let err = result.output_msg();
-        assert!(err.contains("expect keyword ADD or DROP or ALERT COLUMN or RENAME after ALTER TABLE"));
+        assert!(
+            err.contains("expect keyword ADD or DROP or ALERT COLUMN or RENAME after ALTER TABLE")
+        );
 
         let sql = "ALTER TABLE test_table RENAME table_t";
         let mut result =
diff --git a/tests/cases/standalone/common/alter/modify_col.result b/tests/cases/standalone/common/alter/modify_col.result
index 8eb1f5cc8a0f..668527131e6a 100644
--- a/tests/cases/standalone/common/alter/modify_col.result
+++ b/tests/cases/standalone/common/alter/modify_col.result
@@ -1,8 +1,8 @@
-CREATE TABLE test(i INTEGER, j TIMESTAMP TIME INDEX);
+CREATE TABLE test(id INTEGER PRIMARY KEY, i INTEGER, j TIMESTAMP TIME INDEX, k BOOLEAN);
 
 Affected Rows: 0
 
-INSERT INTO test VALUES (1, 1), (2, 2);
+INSERT INTO test VALUES (1, 1, 1, false), (2, 2, 2, true);
 
 Affected Rows: 2
 
@@ -10,30 +10,40 @@ ALTER TABLE test ALTER COLUMN "I" TYPE STRING;
 
 Error: 4002(TableColumnNotFound), Column I not exists in table test
 
-ALTER TABLE test ALTER COLUMN I TYPE STRING;
+ALTER TABLE test ALTER COLUMN k TYPE DATE;
 
-Affected Rows: 0
+Error: 1004(InvalidArguments), Invalid alter table(test) request: column 'k' cannot be cast automatically to type 'Date'
 
-SELECT * FROM test;
+ALTER TABLE test ALTER COLUMN id TYPE STRING;
 
-+---+-------------------------+
-| i | j                       |
-+---+-------------------------+
-| 1 | 1970-01-01T00:00:00.001 |
-| 2 | 1970-01-01T00:00:00.002 |
-+---+-------------------------+
+Error: 1004(InvalidArguments), Not allowed to modify index column id from table test
 
 ALTER TABLE test ALTER COLUMN j TYPE STRING;
 
 Error: 1004(InvalidArguments), Not allowed to modify index column j from table test
 
+ALTER TABLE test ALTER COLUMN I TYPE STRING;
+
+Affected Rows: 0
+
+SELECT * FROM test;
+
++----+---+-------------------------+-------+
+| id | i | j                       | k     |
++----+---+-------------------------+-------+
+| 1  | 1 | 1970-01-01T00:00:00.001 | false |
+| 2  | 2 | 1970-01-01T00:00:00.002 | true  |
++----+---+-------------------------+-------+
+
 DESCRIBE test;
 
 +--------+----------------------+-----+------+---------+---------------+
 | Column | Type                 | Key | Null | Default | Semantic Type |
 +--------+----------------------+-----+------+---------+---------------+
+| id     | Int32                | PRI | YES  |         | TAG           |
 | i      | String               |     | YES  |         | FIELD         |
 | j      | TimestampMillisecond | PRI | NO   |         | TIMESTAMP     |
+| k      | Boolean              |     | YES  |         | FIELD         |
 +--------+----------------------+-----+------+---------+---------------+
 
 DROP TABLE test;
diff --git a/tests/cases/standalone/common/alter/modify_col.sql b/tests/cases/standalone/common/alter/modify_col.sql
index 1ed2428b6b6a..b3d1006689ec 100644
--- a/tests/cases/standalone/common/alter/modify_col.sql
+++ b/tests/cases/standalone/common/alter/modify_col.sql
@@ -1,15 +1,19 @@
-CREATE TABLE test(i INTEGER, j TIMESTAMP TIME INDEX);
+CREATE TABLE test(id INTEGER PRIMARY KEY, i INTEGER, j TIMESTAMP TIME INDEX, k BOOLEAN);
 
-INSERT INTO test VALUES (1, 1), (2, 2);
+INSERT INTO test VALUES (1, 1, 1, false), (2, 2, 2, true);
 
 ALTER TABLE test ALTER COLUMN "I" TYPE STRING;
 
-ALTER TABLE test ALTER COLUMN I TYPE STRING;
+ALTER TABLE test ALTER COLUMN k TYPE DATE;
 
-SELECT * FROM test;
+ALTER TABLE test ALTER COLUMN id TYPE STRING;
 
 ALTER TABLE test ALTER COLUMN j TYPE STRING;
 
+ALTER TABLE test ALTER COLUMN I TYPE STRING;
+
+SELECT * FROM test;
+
 DESCRIBE test;
 
-DROP TABLE test;
\ No newline at end of file
+DROP TABLE test;
diff --git a/tests/cases/standalone/common/alter/modify_col_not_null.sql b/tests/cases/standalone/common/alter/modify_col_not_null.sql
index 3835f2d5e0f6..28075c658f18 100644
--- a/tests/cases/standalone/common/alter/modify_col_not_null.sql
+++ b/tests/cases/standalone/common/alter/modify_col_not_null.sql
@@ -12,4 +12,4 @@ SELECT * FROM test;
 
 DESCRIBE test;
 
-DROP TABLE test;
\ No newline at end of file
+DROP TABLE test;