diff --git a/src/common/meta/src/kv_backend/memory.rs b/src/common/meta/src/kv_backend/memory.rs
index 948992388c..1c4016e775 100644
--- a/src/common/meta/src/kv_backend/memory.rs
+++ b/src/common/meta/src/kv_backend/memory.rs
@@ -308,10 +308,11 @@ mod tests {
     use super::*;
     use crate::error::Error;
     use crate::kv_backend::test::{
-        prepare_kv, test_kv_batch_delete, test_kv_batch_get, test_kv_compare_and_put,
-        test_kv_delete_range, test_kv_put, test_kv_range, test_kv_range_2, test_txn_compare_equal,
-        test_txn_compare_greater, test_txn_compare_less, test_txn_compare_not_equal,
-        test_txn_one_compare_op, text_txn_multi_compare_op,
+        prepare_kv, prepare_kv_with_prefix, test_kv_batch_delete, test_kv_batch_get,
+        test_kv_compare_and_put, test_kv_delete_range, test_kv_put, test_kv_range, test_kv_range_2,
+        test_simple_kv_range, test_txn_compare_equal, test_txn_compare_greater,
+        test_txn_compare_less, test_txn_compare_not_equal, test_txn_one_compare_op,
+        text_txn_multi_compare_op, unprepare_kv,
     };
 
     async fn mock_mem_store_with_data() -> MemoryKvBackend<Error> {
@@ -380,4 +381,12 @@ mod tests {
         test_txn_compare_less(&kv_backend).await;
         test_txn_compare_not_equal(&kv_backend).await;
     }
+    #[tokio::test]
+    async fn test_mem_all_range() {
+        let kv_backend = MemoryKvBackend::<Error>::new();
+        let prefix = b"";
+        prepare_kv_with_prefix(&kv_backend, prefix.to_vec()).await;
+        test_simple_kv_range(&kv_backend).await;
+        unprepare_kv(&kv_backend, prefix).await;
+    }
 }
diff --git a/src/common/meta/src/kv_backend/rds/mysql.rs b/src/common/meta/src/kv_backend/rds/mysql.rs
index 81e0e97a16..b6281a5490 100644
--- a/src/common/meta/src/kv_backend/rds/mysql.rs
+++ b/src/common/meta/src/kv_backend/rds/mysql.rs
@@ -160,7 +160,7 @@ impl<'a> MySqlTemplateFactory<'a> {
             range_template: RangeTemplate {
                 point: format!("SELECT k, v FROM `{table_name}` WHERE k = ?"),
                 range: format!("SELECT k, v FROM `{table_name}` WHERE k >= ? AND k < ? ORDER BY k"),
-                full: format!("SELECT k, v FROM `{table_name}` ? ORDER BY k"),
+                full: format!("SELECT k, v FROM `{table_name}` ORDER BY k"),
                 left_bounded: format!("SELECT k, v FROM `{table_name}` WHERE k >= ? ORDER BY k"),
                 prefix: format!("SELECT k, v FROM `{table_name}` WHERE k LIKE ? ORDER BY k"),
             },
@@ -538,9 +538,9 @@ mod tests {
         prepare_kv_with_prefix, test_kv_batch_delete_with_prefix, test_kv_batch_get_with_prefix,
         test_kv_compare_and_put_with_prefix, test_kv_delete_range_with_prefix,
         test_kv_put_with_prefix, test_kv_range_2_with_prefix, test_kv_range_with_prefix,
-        test_txn_compare_equal, test_txn_compare_greater, test_txn_compare_less,
-        test_txn_compare_not_equal, test_txn_one_compare_op, text_txn_multi_compare_op,
-        unprepare_kv,
+        test_simple_kv_range, test_txn_compare_equal, test_txn_compare_greater,
+        test_txn_compare_less, test_txn_compare_not_equal, test_txn_one_compare_op,
+        text_txn_multi_compare_op, unprepare_kv,
     };
 
     async fn build_mysql_kv_backend(table_name: &str) -> Option<MySqlStore> {
@@ -592,6 +592,15 @@ mod tests {
         unprepare_kv(&kv_backend, prefix).await;
     }
 
+    #[tokio::test]
+    async fn test_mysql_all_range() {
+        let kv_backend = build_mysql_kv_backend("simple_range_test").await.unwrap();
+        let prefix = b"";
+        prepare_kv_with_prefix(&kv_backend, prefix.to_vec()).await;
+        test_simple_kv_range(&kv_backend).await;
+        unprepare_kv(&kv_backend, prefix).await;
+    }
+
     #[tokio::test]
     async fn test_mysql_batch_get() {
         let kv_backend = build_mysql_kv_backend("batch_get_test").await.unwrap();
diff --git a/src/common/meta/src/kv_backend/rds/postgres.rs b/src/common/meta/src/kv_backend/rds/postgres.rs
index 6404a1eead..349e233e63 100644
--- a/src/common/meta/src/kv_backend/rds/postgres.rs
+++ b/src/common/meta/src/kv_backend/rds/postgres.rs
@@ -164,7 +164,7 @@ impl<'a> PgSqlTemplateFactory<'a> {
                 range: format!(
                     "SELECT k, v FROM \"{table_name}\" WHERE k >= $1 AND k < $2 ORDER BY k"
                 ),
-                full: format!("SELECT k, v FROM \"{table_name}\" $1 ORDER BY k"),
+                full: format!("SELECT k, v FROM \"{table_name}\" ORDER BY k"),
                 left_bounded: format!("SELECT k, v FROM \"{table_name}\" WHERE k >= $1 ORDER BY k"),
                 prefix: format!("SELECT k, v FROM \"{table_name}\" WHERE k LIKE $1 ORDER BY k"),
             },
@@ -511,9 +511,9 @@ mod tests {
         prepare_kv_with_prefix, test_kv_batch_delete_with_prefix, test_kv_batch_get_with_prefix,
         test_kv_compare_and_put_with_prefix, test_kv_delete_range_with_prefix,
         test_kv_put_with_prefix, test_kv_range_2_with_prefix, test_kv_range_with_prefix,
-        test_txn_compare_equal, test_txn_compare_greater, test_txn_compare_less,
-        test_txn_compare_not_equal, test_txn_one_compare_op, text_txn_multi_compare_op,
-        unprepare_kv,
+        test_simple_kv_range, test_txn_compare_equal, test_txn_compare_greater,
+        test_txn_compare_less, test_txn_compare_not_equal, test_txn_one_compare_op,
+        text_txn_multi_compare_op, unprepare_kv,
     };
 
     async fn build_pg_kv_backend(table_name: &str) -> Option<PgStore> {
@@ -573,6 +573,15 @@ mod tests {
         unprepare_kv(&kv_backend, prefix).await;
     }
 
+    #[tokio::test]
+    async fn test_pg_all_range() {
+        let kv_backend = build_pg_kv_backend("simple_range_test").await.unwrap();
+        let prefix = b"";
+        prepare_kv_with_prefix(&kv_backend, prefix.to_vec()).await;
+        test_simple_kv_range(&kv_backend).await;
+        unprepare_kv(&kv_backend, prefix).await;
+    }
+
     #[tokio::test]
     async fn test_pg_batch_get() {
         let kv_backend = build_pg_kv_backend("batch_get_test").await.unwrap();
diff --git a/src/common/meta/src/kv_backend/test.rs b/src/common/meta/src/kv_backend/test.rs
index bb38c5a205..7e2c364b82 100644
--- a/src/common/meta/src/kv_backend/test.rs
+++ b/src/common/meta/src/kv_backend/test.rs
@@ -108,6 +108,44 @@ pub async fn test_kv_range(kv_backend: &impl KvBackend) {
     test_kv_range_with_prefix(kv_backend, vec![]).await;
 }
 
+pub async fn test_simple_kv_range(kvbackend: &impl KvBackend) {
+    {
+        let full_query = RangeRequest::new().with_range(vec![0], vec![0]);
+        let response = kvbackend.range(full_query).await.unwrap();
+        assert_eq!(response.kvs.len(), 4);
+    }
+    {
+        let point_query = RangeRequest::new().with_range(b"key11".to_vec(), vec![]);
+        let response = kvbackend.range(point_query).await.unwrap();
+        assert_eq!(response.kvs.len(), 1);
+    }
+    {
+        let left_bounded_query = RangeRequest::new().with_range(b"key1".to_vec(), vec![0]);
+        let response = kvbackend.range(left_bounded_query).await.unwrap();
+        assert_eq!(response.kvs.len(), 4);
+    }
+    {
+        let range_query = RangeRequest::new().with_range(b"key1".to_vec(), b"key11".to_vec());
+        let response = kvbackend.range(range_query).await.unwrap();
+        assert_eq!(response.kvs.len(), 1);
+    }
+    {
+        let prefix_query = RangeRequest::new().with_range(b"key1".to_vec(), b"key2".to_vec());
+        let response = kvbackend.range(prefix_query).await.unwrap();
+        assert_eq!(response.kvs.len(), 2);
+    }
+    {
+        let range_query = RangeRequest::new().with_range(b"key10".to_vec(), b"key100".to_vec());
+        let response = kvbackend.range(range_query).await.unwrap();
+        assert_eq!(response.kvs.len(), 0);
+    }
+    {
+        let prefix_query = RangeRequest::new().with_range(b"key10".to_vec(), b"key11".to_vec());
+        let response = kvbackend.range(prefix_query).await.unwrap();
+        assert_eq!(response.kvs.len(), 0);
+    }
+}
+
 pub async fn test_kv_range_with_prefix(kv_backend: &impl KvBackend, prefix: Vec<u8>) {
     let key = [prefix.clone(), b"key1".to_vec()].concat();
     let key11 = [prefix.clone(), b"key11".to_vec()].concat();