diff --git a/deps/oblib/src/lib/ob_name_def.h b/deps/oblib/src/lib/ob_name_def.h
index 46f60e1ad6..8bf841fe54 100644
--- a/deps/oblib/src/lib/ob_name_def.h
+++ b/deps/oblib/src/lib/ob_name_def.h
@@ -1143,6 +1143,10 @@
 #define N_ST_SYMDIFFERENCE                  "st_symdifference"
 #define N_PRIV_ST_ASMVTGEOM                 "_st_asmvtgeom"
 #define N_PRIV_ST_MAKEVALID                 "_st_makevalid"
+#define N_GTID_SUBSET                       "gtid_subset"
+#define N_GTID_SUBTRACT                     "gtid_subtract"
+#define N_WAIT_FOR_EXECUTED_GTID_SET        "wait_for_executed_gtid_set"
+#define N_WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS "wait_until_sql_thread_after_gtids"
 #define N_DECODE_TRACE_ID                   "decode_trace_id"
 #define N_PRIV_ST_GEOHASH                   "_st_geohash"
 #define N_PRIV_ST_MAKEPOINT                 "_st_makepoint"
diff --git a/src/objit/include/objit/common/ob_item_type.h b/src/objit/include/objit/common/ob_item_type.h
index 5e7c1c9518..864f094e88 100644
--- a/src/objit/include/objit/common/ob_item_type.h
+++ b/src/objit/include/objit/common/ob_item_type.h
@@ -898,14 +898,12 @@ typedef enum ObItemType
   T_FUN_SYS_END = 2000,
   T_FUN_SYS_ALIGN_DATE4CMP = 2010,
   T_FUN_SYS_INNER_ROW_CMP_VALUE = 2011,
-
   T_FUN_SYS_GTID_SUBSET = 2012,
   T_FUN_SYS_GTID_SUBTRACT = 2013,
   T_FUN_SYS_WAIT_FOR_EXECUTED_GTID_SET = 2014,
   T_FUN_SYS_WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS = 2015,
   T_FUN_SYS_LAST_REFRESH_SCN = 2016,
   T_FUN_SUM_OPNSIZE = 2017,
-
   T_FUN_SYS_GET_LOCK = 2018,
   T_FUN_SYS_IS_FREE_LOCK = 2019,
   T_FUN_SYS_IS_USED_LOCK = 2020,
diff --git a/src/share/inner_table/ob_inner_table_schema.21551_21600.cpp b/src/share/inner_table/ob_inner_table_schema.21551_21600.cpp
index 6a13050340..5da41a2b9b 100644
--- a/src/share/inner_table/ob_inner_table_schema.21551_21600.cpp
+++ b/src/share/inner_table/ob_inner_table_schema.21551_21600.cpp
@@ -229,6 +229,210 @@ int ObInnerTableSchema::v_ob_tenant_resource_limit_detail_schema(ObTableSchema &
   return ret;
 }
 
+int ObInnerTableSchema::innodb_lock_waits_schema(ObTableSchema &table_schema)
+{
+  int ret = OB_SUCCESS;
+  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;
+
+  //generated fields:
+  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
+  table_schema.set_tablegroup_id(OB_INVALID_ID);
+  table_schema.set_database_id(OB_INFORMATION_SCHEMA_ID);
+  table_schema.set_table_id(OB_INNODB_LOCK_WAITS_TID);
+  table_schema.set_rowkey_split_pos(0);
+  table_schema.set_is_use_bloomfilter(false);
+  table_schema.set_progressive_merge_num(0);
+  table_schema.set_rowkey_column_num(0);
+  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
+  table_schema.set_table_type(SYSTEM_VIEW);
+  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
+  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_table_name(OB_INNODB_LOCK_WAITS_TNAME))) {
+      LOG_ERROR("fail to set table_name", K(ret));
+    }
+  }
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
+      LOG_ERROR("fail to set compress_func_name", K(ret));
+    }
+  }
+  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
+  table_schema.set_charset_type(ObCharset::get_default_charset());
+  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_view_definition(R"__(     SELECT '0' as REQUESTING_TRX_ID,            '0' as REQUESTED_LOCK_ID,            '0' as BLOCKING_TRX_ID,            '0' as BLOCKING_LOCK_ID )__"))) {
+      LOG_ERROR("fail to set view_definition", K(ret));
+    }
+  }
+  table_schema.set_index_using_type(USING_BTREE);
+  table_schema.set_row_store_type(ENCODING_ROW_STORE);
+  table_schema.set_store_format(OB_STORE_FORMAT_DYNAMIC_MYSQL);
+  table_schema.set_progressive_merge_round(1);
+  table_schema.set_storage_format_version(3);
+  table_schema.set_tablet_id(0);
+  table_schema.set_micro_index_clustered(false);
+
+  table_schema.set_max_used_column_id(column_id);
+  return ret;
+}
+
+int ObInnerTableSchema::innodb_locks_schema(ObTableSchema &table_schema)
+{
+  int ret = OB_SUCCESS;
+  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;
+
+  //generated fields:
+  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
+  table_schema.set_tablegroup_id(OB_INVALID_ID);
+  table_schema.set_database_id(OB_INFORMATION_SCHEMA_ID);
+  table_schema.set_table_id(OB_INNODB_LOCKS_TID);
+  table_schema.set_rowkey_split_pos(0);
+  table_schema.set_is_use_bloomfilter(false);
+  table_schema.set_progressive_merge_num(0);
+  table_schema.set_rowkey_column_num(0);
+  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
+  table_schema.set_table_type(SYSTEM_VIEW);
+  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
+  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_table_name(OB_INNODB_LOCKS_TNAME))) {
+      LOG_ERROR("fail to set table_name", K(ret));
+    }
+  }
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
+      LOG_ERROR("fail to set compress_func_name", K(ret));
+    }
+  }
+  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
+  table_schema.set_charset_type(ObCharset::get_default_charset());
+  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_view_definition(R"__(     SELECT '0' as LOCK_ID,            '0' as LOCK_TRX_ID,            '0' as LOCK_MODE,            '0' as LOCK_TYPE,            '0' as LOCK_TABLE,            '0' as LOCK_INDEX,            0 as LOCK_SPACE,            0 as LOCK_PAGE,            0 as LOCK_REC,            '0' as LOCK_DATA  )__"))) {
+      LOG_ERROR("fail to set view_definition", K(ret));
+    }
+  }
+  table_schema.set_index_using_type(USING_BTREE);
+  table_schema.set_row_store_type(ENCODING_ROW_STORE);
+  table_schema.set_store_format(OB_STORE_FORMAT_DYNAMIC_MYSQL);
+  table_schema.set_progressive_merge_round(1);
+  table_schema.set_storage_format_version(3);
+  table_schema.set_tablet_id(0);
+  table_schema.set_micro_index_clustered(false);
+
+  table_schema.set_max_used_column_id(column_id);
+  return ret;
+}
+
+int ObInnerTableSchema::innodb_trx_schema(ObTableSchema &table_schema)
+{
+  int ret = OB_SUCCESS;
+  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;
+
+  //generated fields:
+  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
+  table_schema.set_tablegroup_id(OB_INVALID_ID);
+  table_schema.set_database_id(OB_INFORMATION_SCHEMA_ID);
+  table_schema.set_table_id(OB_INNODB_TRX_TID);
+  table_schema.set_rowkey_split_pos(0);
+  table_schema.set_is_use_bloomfilter(false);
+  table_schema.set_progressive_merge_num(0);
+  table_schema.set_rowkey_column_num(0);
+  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
+  table_schema.set_table_type(SYSTEM_VIEW);
+  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
+  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_table_name(OB_INNODB_TRX_TNAME))) {
+      LOG_ERROR("fail to set table_name", K(ret));
+    }
+  }
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
+      LOG_ERROR("fail to set compress_func_name", K(ret));
+    }
+  }
+  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
+  table_schema.set_charset_type(ObCharset::get_default_charset());
+  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_view_definition(R"__(     SELECT '0' as TRX_ID,            '0' as TRX_STATE,            now() as TRX_STARTED,            '0' as TRX_REQUESTED_LOCK_ID,            now() as TRX_WAIT_STARTED,            0 as TRX_WEIGHT,            0 as TRX_MYSQL_THREAD_ID,            '0' as TRX_QUERY,            '0' as TRX_OPERATION_STATE,            0 as TRX_TABLE_IN_USE,            0 as TRX_TABLES_LOCKED,            0 as TRX_LOCK_STRUCTS,            0 as TRX_LOCK_MEMORY_BYTES,            0 as TRX_ROWS_LOCKED,            0 as TRX_ROWS_MODIFIED,            0 as TRX_CONCURRENCY_TICKETS,            '0' as TRX_ISOLATION_LEVEL,            0 as TRX_UNIQUE_CHECKS,            0 as TRX_FOREIGN_KEY_CHECKS,            '0' as TRX_LAST_FOREIGN_KEY_ERROR,            0 as TRX_ADAPTIVE_HASH_LATCHED,            0 as TRX_ADAPTIVE_HASH_TIMEOUT,            0 as TRX_IS_READ_ONLY,            0 as TRX_AUTOCOMMIT_NON_LOCKING )__"))) {
+      LOG_ERROR("fail to set view_definition", K(ret));
+    }
+  }
+  table_schema.set_index_using_type(USING_BTREE);
+  table_schema.set_row_store_type(ENCODING_ROW_STORE);
+  table_schema.set_store_format(OB_STORE_FORMAT_DYNAMIC_MYSQL);
+  table_schema.set_progressive_merge_round(1);
+  table_schema.set_storage_format_version(3);
+  table_schema.set_tablet_id(0);
+  table_schema.set_micro_index_clustered(false);
+
+  table_schema.set_max_used_column_id(column_id);
+  return ret;
+}
+
+int ObInnerTableSchema::ndb_transid_mysql_connection_map_schema(ObTableSchema &table_schema)
+{
+  int ret = OB_SUCCESS;
+  uint64_t column_id = OB_APP_MIN_COLUMN_ID - 1;
+
+  //generated fields:
+  table_schema.set_tenant_id(OB_SYS_TENANT_ID);
+  table_schema.set_tablegroup_id(OB_INVALID_ID);
+  table_schema.set_database_id(OB_INFORMATION_SCHEMA_ID);
+  table_schema.set_table_id(OB_NDB_TRANSID_MYSQL_CONNECTION_MAP_TID);
+  table_schema.set_rowkey_split_pos(0);
+  table_schema.set_is_use_bloomfilter(false);
+  table_schema.set_progressive_merge_num(0);
+  table_schema.set_rowkey_column_num(0);
+  table_schema.set_load_type(TABLE_LOAD_TYPE_IN_DISK);
+  table_schema.set_table_type(SYSTEM_VIEW);
+  table_schema.set_index_type(INDEX_TYPE_IS_NOT);
+  table_schema.set_def_type(TABLE_DEF_TYPE_INTERNAL);
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_table_name(OB_NDB_TRANSID_MYSQL_CONNECTION_MAP_TNAME))) {
+      LOG_ERROR("fail to set table_name", K(ret));
+    }
+  }
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_compress_func_name(OB_DEFAULT_COMPRESS_FUNC_NAME))) {
+      LOG_ERROR("fail to set compress_func_name", K(ret));
+    }
+  }
+  table_schema.set_part_level(PARTITION_LEVEL_ZERO);
+  table_schema.set_charset_type(ObCharset::get_default_charset());
+  table_schema.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
+
+  if (OB_SUCC(ret)) {
+    if (OB_FAIL(table_schema.set_view_definition(R"__(     SELECT 0 as MYSQL_CONNECTION_ID,            0 as NODE_ID,            0 as NDB_TRANSID )__"))) {
+      LOG_ERROR("fail to set view_definition", K(ret));
+    }
+  }
+  table_schema.set_index_using_type(USING_BTREE);
+  table_schema.set_row_store_type(ENCODING_ROW_STORE);
+  table_schema.set_store_format(OB_STORE_FORMAT_DYNAMIC_MYSQL);
+  table_schema.set_progressive_merge_round(1);
+  table_schema.set_storage_format_version(3);
+  table_schema.set_tablet_id(0);
+  table_schema.set_micro_index_clustered(false);
+
+  table_schema.set_max_used_column_id(column_id);
+  return ret;
+}
+
 int ObInnerTableSchema::v_ob_group_io_stat_schema(ObTableSchema &table_schema)
 {
   int ret = OB_SUCCESS;
diff --git a/src/share/inner_table/ob_inner_table_schema.h b/src/share/inner_table/ob_inner_table_schema.h
index d601a4082a..81b81bae0e 100644
--- a/src/share/inner_table/ob_inner_table_schema.h
+++ b/src/share/inner_table/ob_inner_table_schema.h
@@ -1829,6 +1829,10 @@ public:
   static int v_ob_tenant_resource_limit_schema(share::schema::ObTableSchema &table_schema);
   static int gv_ob_tenant_resource_limit_detail_schema(share::schema::ObTableSchema &table_schema);
   static int v_ob_tenant_resource_limit_detail_schema(share::schema::ObTableSchema &table_schema);
+  static int innodb_lock_waits_schema(share::schema::ObTableSchema &table_schema);
+  static int innodb_locks_schema(share::schema::ObTableSchema &table_schema);
+  static int innodb_trx_schema(share::schema::ObTableSchema &table_schema);
+  static int ndb_transid_mysql_connection_map_schema(share::schema::ObTableSchema &table_schema);
   static int v_ob_group_io_stat_schema(share::schema::ObTableSchema &table_schema);
   static int gv_ob_group_io_stat_schema(share::schema::ObTableSchema &table_schema);
   static int dba_ob_storage_io_usage_schema(share::schema::ObTableSchema &table_schema);
@@ -4785,6 +4789,10 @@ const schema_create_func sys_view_schema_creators [] = {
   ObInnerTableSchema::v_ob_tenant_resource_limit_schema,
   ObInnerTableSchema::gv_ob_tenant_resource_limit_detail_schema,
   ObInnerTableSchema::v_ob_tenant_resource_limit_detail_schema,
+  ObInnerTableSchema::innodb_lock_waits_schema,
+  ObInnerTableSchema::innodb_locks_schema,
+  ObInnerTableSchema::innodb_trx_schema,
+  ObInnerTableSchema::ndb_transid_mysql_connection_map_schema,
   ObInnerTableSchema::v_ob_group_io_stat_schema,
   ObInnerTableSchema::gv_ob_group_io_stat_schema,
   ObInnerTableSchema::dba_ob_storage_io_usage_schema,
@@ -6566,6 +6574,10 @@ const uint64_t tenant_space_tables [] = {
   OB_V_OB_TENANT_RESOURCE_LIMIT_TID,
   OB_GV_OB_TENANT_RESOURCE_LIMIT_DETAIL_TID,
   OB_V_OB_TENANT_RESOURCE_LIMIT_DETAIL_TID,
+  OB_INNODB_LOCK_WAITS_TID,
+  OB_INNODB_LOCKS_TID,
+  OB_INNODB_TRX_TID,
+  OB_NDB_TRANSID_MYSQL_CONNECTION_MAP_TID,
   OB_V_OB_GROUP_IO_STAT_TID,
   OB_GV_OB_GROUP_IO_STAT_TID,
   OB_DBA_OB_STORAGE_IO_USAGE_TID,
@@ -9287,6 +9299,10 @@ const char* const tenant_space_table_names [] = {
   OB_V_OB_TENANT_RESOURCE_LIMIT_TNAME,
   OB_GV_OB_TENANT_RESOURCE_LIMIT_DETAIL_TNAME,
   OB_V_OB_TENANT_RESOURCE_LIMIT_DETAIL_TNAME,
+  OB_INNODB_LOCK_WAITS_TNAME,
+  OB_INNODB_LOCKS_TNAME,
+  OB_INNODB_TRX_TNAME,
+  OB_NDB_TRANSID_MYSQL_CONNECTION_MAP_TNAME,
   OB_V_OB_GROUP_IO_STAT_TNAME,
   OB_GV_OB_GROUP_IO_STAT_TNAME,
   OB_DBA_OB_STORAGE_IO_USAGE_TNAME,
@@ -13578,10 +13594,10 @@ static inline int get_sys_table_lob_aux_schema(const uint64_t tid,
 const int64_t OB_CORE_TABLE_COUNT = 4;
 const int64_t OB_SYS_TABLE_COUNT = 304;
 const int64_t OB_VIRTUAL_TABLE_COUNT = 851;
-const int64_t OB_SYS_VIEW_COUNT = 959;
-const int64_t OB_SYS_TENANT_TABLE_COUNT = 2119;
+const int64_t OB_SYS_VIEW_COUNT = 963;
+const int64_t OB_SYS_TENANT_TABLE_COUNT = 2123;
 const int64_t OB_CORE_SCHEMA_VERSION = 1;
-const int64_t OB_BOOTSTRAP_SCHEMA_VERSION = 2122;
+const int64_t OB_BOOTSTRAP_SCHEMA_VERSION = 2126;
 
 } // end namespace share
 } // end namespace oceanbase
diff --git a/src/share/inner_table/ob_inner_table_schema_constants.h b/src/share/inner_table/ob_inner_table_schema_constants.h
index d4f0ab37f9..3f5b8b18c4 100644
--- a/src/share/inner_table/ob_inner_table_schema_constants.h
+++ b/src/share/inner_table/ob_inner_table_schema_constants.h
@@ -1529,6 +1529,10 @@ const uint64_t OB_GV_OB_TENANT_RESOURCE_LIMIT_TID = 21550; // "GV$OB_TENANT_RESO
 const uint64_t OB_V_OB_TENANT_RESOURCE_LIMIT_TID = 21551; // "V$OB_TENANT_RESOURCE_LIMIT"
 const uint64_t OB_GV_OB_TENANT_RESOURCE_LIMIT_DETAIL_TID = 21552; // "GV$OB_TENANT_RESOURCE_LIMIT_DETAIL"
 const uint64_t OB_V_OB_TENANT_RESOURCE_LIMIT_DETAIL_TID = 21553; // "V$OB_TENANT_RESOURCE_LIMIT_DETAIL"
+const uint64_t OB_INNODB_LOCK_WAITS_TID = 21554; // "INNODB_LOCK_WAITS"
+const uint64_t OB_INNODB_LOCKS_TID = 21555; // "INNODB_LOCKS"
+const uint64_t OB_INNODB_TRX_TID = 21556; // "INNODB_TRX"
+const uint64_t OB_NDB_TRANSID_MYSQL_CONNECTION_MAP_TID = 21557; // "NDB_TRANSID_MYSQL_CONNECTION_MAP"
 const uint64_t OB_V_OB_GROUP_IO_STAT_TID = 21558; // "V$OB_GROUP_IO_STAT"
 const uint64_t OB_GV_OB_GROUP_IO_STAT_TID = 21559; // "GV$OB_GROUP_IO_STAT"
 const uint64_t OB_DBA_OB_STORAGE_IO_USAGE_TID = 21560; // "DBA_OB_STORAGE_IO_USAGE"
@@ -4372,6 +4376,10 @@ const char *const OB_GV_OB_TENANT_RESOURCE_LIMIT_TNAME = "GV$OB_TENANT_RESOURCE_
 const char *const OB_V_OB_TENANT_RESOURCE_LIMIT_TNAME = "V$OB_TENANT_RESOURCE_LIMIT";
 const char *const OB_GV_OB_TENANT_RESOURCE_LIMIT_DETAIL_TNAME = "GV$OB_TENANT_RESOURCE_LIMIT_DETAIL";
 const char *const OB_V_OB_TENANT_RESOURCE_LIMIT_DETAIL_TNAME = "V$OB_TENANT_RESOURCE_LIMIT_DETAIL";
+const char *const OB_INNODB_LOCK_WAITS_TNAME = "INNODB_LOCK_WAITS";
+const char *const OB_INNODB_LOCKS_TNAME = "INNODB_LOCKS";
+const char *const OB_INNODB_TRX_TNAME = "INNODB_TRX";
+const char *const OB_NDB_TRANSID_MYSQL_CONNECTION_MAP_TNAME = "NDB_TRANSID_MYSQL_CONNECTION_MAP";
 const char *const OB_V_OB_GROUP_IO_STAT_TNAME = "V$OB_GROUP_IO_STAT";
 const char *const OB_GV_OB_GROUP_IO_STAT_TNAME = "GV$OB_GROUP_IO_STAT";
 const char *const OB_DBA_OB_STORAGE_IO_USAGE_TNAME = "DBA_OB_STORAGE_IO_USAGE";
diff --git a/src/share/inner_table/ob_inner_table_schema_def.py b/src/share/inner_table/ob_inner_table_schema_def.py
index cb7aa89e56..fba5c12100 100644
--- a/src/share/inner_table/ob_inner_table_schema_def.py
+++ b/src/share/inner_table/ob_inner_table_schema_def.py
@@ -36073,10 +36073,102 @@ AND
 """.replace("\n", " ")
 )
 
-# 21554: INNODB_LOCK_WAITS
-# 21555: INNODB_LOCKS
-# 21556: INNODB_TRX
-# 21557: ndb_transid_mysql_connection_map
+def_table_schema(
+  owner           = 'yangyifei.yyf',
+  database_id     = 'OB_INFORMATION_SCHEMA_ID',
+  table_name      = 'INNODB_LOCK_WAITS',
+  table_id        = '21554',
+  table_type      = 'SYSTEM_VIEW',
+  rowkey_columns  = [],
+  normal_columns  = [],
+  gm_columns      = [],
+  in_tenant_space = True,
+  view_definition = """
+    SELECT '0' as REQUESTING_TRX_ID,
+           '0' as REQUESTED_LOCK_ID,
+           '0' as BLOCKING_TRX_ID,
+           '0' as BLOCKING_LOCK_ID
+""".replace("\n", " ")
+)
+
+def_table_schema(
+  owner           = 'yangyifei.yyf',
+  database_id     = 'OB_INFORMATION_SCHEMA_ID',
+  table_name      = 'INNODB_LOCKS',
+  table_id        = '21555',
+  table_type      = 'SYSTEM_VIEW',
+  rowkey_columns  = [],
+  normal_columns  = [],
+  gm_columns      = [],
+  in_tenant_space = True,
+  view_definition = """
+    SELECT '0' as LOCK_ID,
+           '0' as LOCK_TRX_ID,
+           '0' as LOCK_MODE,
+           '0' as LOCK_TYPE,
+           '0' as LOCK_TABLE,
+           '0' as LOCK_INDEX,
+           0 as LOCK_SPACE,
+           0 as LOCK_PAGE,
+           0 as LOCK_REC,
+           '0' as LOCK_DATA
+""".replace("\n", " ")
+)
+
+def_table_schema(
+  owner           = 'yangyifei.yyf',
+  database_id     = 'OB_INFORMATION_SCHEMA_ID',
+  table_name      = 'INNODB_TRX',
+  table_id        = '21556',
+  table_type      = 'SYSTEM_VIEW',
+  rowkey_columns  = [],
+  normal_columns  = [],
+  gm_columns      = [],
+  in_tenant_space = True,
+  view_definition = """
+    SELECT '0' as TRX_ID,
+           '0' as TRX_STATE,
+           now() as TRX_STARTED,
+           '0' as TRX_REQUESTED_LOCK_ID,
+           now() as TRX_WAIT_STARTED,
+           0 as TRX_WEIGHT,
+           0 as TRX_MYSQL_THREAD_ID,
+           '0' as TRX_QUERY,
+           '0' as TRX_OPERATION_STATE,
+           0 as TRX_TABLE_IN_USE,
+           0 as TRX_TABLES_LOCKED,
+           0 as TRX_LOCK_STRUCTS,
+           0 as TRX_LOCK_MEMORY_BYTES,
+           0 as TRX_ROWS_LOCKED,
+           0 as TRX_ROWS_MODIFIED,
+           0 as TRX_CONCURRENCY_TICKETS,
+           '0' as TRX_ISOLATION_LEVEL,
+           0 as TRX_UNIQUE_CHECKS,
+           0 as TRX_FOREIGN_KEY_CHECKS,
+           '0' as TRX_LAST_FOREIGN_KEY_ERROR,
+           0 as TRX_ADAPTIVE_HASH_LATCHED,
+           0 as TRX_ADAPTIVE_HASH_TIMEOUT,
+           0 as TRX_IS_READ_ONLY,
+           0 as TRX_AUTOCOMMIT_NON_LOCKING
+""".replace("\n", " ")
+)
+
+def_table_schema(
+  owner           = 'yangyifei.yyf',
+  database_id     = 'OB_INFORMATION_SCHEMA_ID',
+  table_name      = 'NDB_TRANSID_MYSQL_CONNECTION_MAP',
+  table_id        = '21557',
+  table_type      = 'SYSTEM_VIEW',
+  rowkey_columns  = [],
+  normal_columns  = [],
+  gm_columns      = [],
+  in_tenant_space = True,
+  view_definition = """
+    SELECT 0 as MYSQL_CONNECTION_ID,
+           0 as NODE_ID,
+           0 as NDB_TRANSID
+""".replace("\n", " ")
+)
 
 def_table_schema(
   owner           = 'wyh329796',
@@ -36239,26 +36331,6 @@ def_table_schema(
 """.replace("\n", " ")
 )
 
-# 21562: TABLESPACES
-# 21563: INNODB_BUFFER_PAGE
-# 21564: INNODB_BUFFER_PAGE_LRU
-# 21565: INNODB_BUFFER_POOL_STATS
-# 21566: INNODB_CMP
-# 21567: INNODB_CMP_PER_INDEX
-# 21568: INNODB_CMP_PER_INDEX_RESET
-# 21569: INNODB_CMP_RESET
-# 21570: INNODB_CMPMEM
-# 21571: INNODB_CMPMEM_RESET
-# 21572: INNODB_SYS_DATAFILES
-# 21573: INNODB_SYS_INDEXES
-# 21574: INNODB_SYS_TABLES
-# 21575: INNODB_SYS_TABLESPACES
-# 21576: INNODB_SYS_TABLESTATS
-# 21577: INNODB_SYS_VIRTUAL
-# 21578: INNODB_TEMP_TABLE_INFO
-# 21579: INNODB_METRICS
-# 21580: EVENTS
-
 def_table_schema(
   owner = 'chaser.ch',
   tablegroup_id   = 'OB_INVALID_ID',
diff --git a/src/share/inner_table/table_id_to_name b/src/share/inner_table/table_id_to_name
index a6af3d9ec3..1d6b1059b4 100644
--- a/src/share/inner_table/table_id_to_name
+++ b/src/share/inner_table/table_id_to_name
@@ -2224,6 +2224,10 @@
 # 21551: V$OB_TENANT_RESOURCE_LIMIT
 # 21552: GV$OB_TENANT_RESOURCE_LIMIT_DETAIL
 # 21553: V$OB_TENANT_RESOURCE_LIMIT_DETAIL
+# 21554: INNODB_LOCK_WAITS
+# 21555: INNODB_LOCKS
+# 21556: INNODB_TRX
+# 21557: NDB_TRANSID_MYSQL_CONNECTION_MAP
 # 21558: V$OB_GROUP_IO_STAT
 # 21559: GV$OB_GROUP_IO_STAT
 # 21560: DBA_OB_STORAGE_IO_USAGE
diff --git a/src/share/system_variable/ob_system_variable.cpp b/src/share/system_variable/ob_system_variable.cpp
index 4413d41526..d84c8800fc 100644
--- a/src/share/system_variable/ob_system_variable.cpp
+++ b/src/share/system_variable/ob_system_variable.cpp
@@ -2107,10 +2107,11 @@ int ObSysVarOnCheckFuncs::check_and_convert_tx_isolation(ObExecContext &ctx,
                    in_val.get_string().length(), in_val.get_string().ptr());
     LOG_WARN("invalid tx_isolation value", K(ret));
   } else if (ObTransIsolation::READ_UNCOMMITTED == isolation) {
-    ret = OB_NOT_SUPPORTED;
-    LOG_USER_ERROR(OB_NOT_SUPPORTED,
-                   "Isolation level READ-UNCOMMITTED");
-    LOG_WARN("isolation level read-uncommitted not supported", K(ret), K(in_val));
+    if (lib::is_oracle_mode()) {
+      ret = OB_NOT_SUPPORTED;
+      LOG_USER_ERROR(OB_NOT_SUPPORTED, "isolation level READ-UNCOMMITTED");
+      LOG_WARN("isolation level read-uncommitted not supported", K(ret), K(in_val));
+    }
   } else {
     if (OB_FAIL(ob_write_obj(ctx.get_allocator(), in_val, out_val))) {
       LOG_WARN("deep copy out_val obj failed", K(ret));
@@ -2799,6 +2800,8 @@ int ObSysVarOnUpdateFuncs::update_tx_isolation(ObExecContext &ctx,
   const ObString &var_val = val.get_string();
   ObTxIsolationLevel isolation = transaction::tx_isolation_from_str(var_val);
   bool for_next_trans = (set_var.set_scope_ == ObSetVar::SET_SCOPE_NEXT_TRANS);
+
+  LOG_INFO("update tx_isolation", K(var_name), K(var_val), K(for_next_trans), K(isolation));
   if (OB_ISNULL(session)) {
     ret = OB_ERR_UNEXPECTED;
     LOG_WARN("fail to get session info", K(ret));
@@ -2808,10 +2811,14 @@ int ObSysVarOnUpdateFuncs::update_tx_isolation(ObExecContext &ctx,
                    var_name.length(), var_name.ptr(), var_val.length(), var_val.ptr());
     LOG_WARN("isolation level is invalid", K(ret), K(var_val), K(var_name));
   } else if (ObTxIsolationLevel::RU == isolation) {
-    ret = OB_NOT_SUPPORTED;
-    LOG_USER_ERROR(OB_NOT_SUPPORTED,
-                   "Isolation level READ-UNCOMMITTED");
-    LOG_WARN("isolation level read-uncommitted not supported", K(ret), K(var_val), K(var_name));
+    // only supports RU syntax, the actual behavior is RC
+    if (lib::is_mysql_mode()) {
+      isolation = ObTxIsolationLevel::RC;
+    } else {
+      ret = OB_NOT_SUPPORTED;
+      LOG_USER_ERROR(OB_NOT_SUPPORTED, "isolation level READ-UNCOMMITTED");
+      LOG_WARN("isolation level read-uncommitted not supported", K(ret), K(var_val), K(var_name));
+    }
   } else if (for_next_trans && FALSE_IT(session->set_tx_isolation(isolation))) {
     // nothing.
   } else if (lib::is_oracle_mode()) {
diff --git a/src/share/system_variable/ob_system_variable_init.cpp b/src/share/system_variable/ob_system_variable_init.cpp
index 1181a16fd5..96a4e0a7d3 100644
--- a/src/share/system_variable/ob_system_variable_init.cpp
+++ b/src/share/system_variable/ob_system_variable_init.cpp
@@ -4513,7 +4513,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[318].default_value_ = "" ;
-      ObSysVars[318].info_ = "When used with global scope, this variable contains a representation of the set of all transactions executed on the server and GTIDs that have been set by a SET gtid_purged statement" ;
+      ObSysVars[318].info_ = "When used with global scope, this variable contains a representation of the set of all transactions executed on the server and GTIDs that have been set by a SET gtid_purged statement, merely simulates MySQL 5.7" ;
       ObSysVars[318].name_ = "gtid_executed" ;
       ObSysVars[318].data_type_ = ObVarcharType ;
       ObSysVars[318].flags_ = ObSysVarFlag::GLOBAL_SCOPE | ObSysVarFlag::READONLY | ObSysVarFlag::MYSQL_ONLY ;
@@ -4526,7 +4526,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[319].default_value_ = "" ;
-      ObSysVars[319].info_ = "When used with global scope, gtid_owned holds a list of all the GTIDs that are currently in use on the server, with the IDs of the threads that own them. When used with session scope, gtid_owned holds a single GTID that is currently in use by and owned by this session" ;
+      ObSysVars[319].info_ = "When used with global scope, gtid_owned holds a list of all the GTIDs that are currently in use on the server, with the IDs of the threads that own them. When used with session scope, gtid_owned holds a single GTID that is currently in use by and owned by this session, merely simulates MySQL 5.7" ;
       ObSysVars[319].name_ = "gtid_owned" ;
       ObSysVars[319].data_type_ = ObVarcharType ;
       ObSysVars[319].flags_ = ObSysVarFlag::GLOBAL_SCOPE | ObSysVarFlag::SESSION_SCOPE | ObSysVarFlag::READONLY | ObSysVarFlag::MYSQL_ONLY ;
@@ -4539,7 +4539,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[320].default_value_ = "0" ;
-      ObSysVars[320].info_ = "InnoDB rolls back only the last statement on a transaction timeout by default. If --innodb-rollback-on-timeout is specified, a transaction timeout causes InnoDB to abort and roll back the entire transaction" ;
+      ObSysVars[320].info_ = "InnoDB rolls back only the last statement on a transaction timeout by default. If --innodb-rollback-on-timeout is specified, a transaction timeout causes InnoDB to abort and roll back the entire transaction, merely simulates MySQL 5.7" ;
       ObSysVars[320].name_ = "innodb_rollback_on_timeout" ;
       ObSysVars[320].data_type_ = ObIntType ;
       ObSysVars[320].flags_ = ObSysVarFlag::GLOBAL_SCOPE | ObSysVarFlag::READONLY | ObSysVarFlag::MYSQL_ONLY ;
@@ -4552,7 +4552,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[321].default_value_ = "0" ;
-      ObSysVars[321].info_ = "completion_type affects transactions that begin with START TRANSACTION or BEGIN and end with COMMIT or ROLLBACK. It does not apply for XA COMMIT, XA ROLLBACK, or when autocommit=1" ;
+      ObSysVars[321].info_ = "completion_type affects transactions that begin with START TRANSACTION or BEGIN and end with COMMIT or ROLLBACK. It does not apply for XA COMMIT, XA ROLLBACK, or when autocommit=1, merely simulates MySQL 5.7" ;
       ObSysVars[321].name_ = "completion_type" ;
       ObSysVars[321].data_type_ = ObIntType ;
       ObSysVars[321].enum_names_ = "[u'NO_CHAIN', u'CHAIN', u'RELEASE']" ;
@@ -4566,7 +4566,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[322].default_value_ = "0" ;
-      ObSysVars[322].info_ = "Depending on the value of this variable, the server enforces GTID consistency by allowing execution of only statements that can be safely logged using a GTID. You must set this variable to ON before enabling GTID based replication" ;
+      ObSysVars[322].info_ = "Depending on the value of this variable, the server enforces GTID consistency by allowing execution of only statements that can be safely logged using a GTID. You must set this variable to ON before enabling GTID based replication, merely simulates MySQL 5.7" ;
       ObSysVars[322].name_ = "enforce_gtid_consistency" ;
       ObSysVars[322].data_type_ = ObIntType ;
       ObSysVars[322].enum_names_ = "[u'OFF', u'ON', u'WARN']" ;
@@ -4580,7 +4580,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[323].default_value_ = "1000" ;
-      ObSysVars[323].info_ = "Compress the mysql.gtid_executed table each time this many transactions have been processed" ;
+      ObSysVars[323].info_ = "Compress the mysql.gtid_executed table each time this many transactions have been processed, merely simulates MySQL 5.7" ;
       ObSysVars[323].name_ = "gtid_executed_compression_period" ;
       ObSysVars[323].data_type_ = ObIntType ;
       ObSysVars[323].min_val_ = "0" ;
@@ -4595,7 +4595,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[324].default_value_ = "0" ;
-      ObSysVars[324].info_ = "Controls whether GTID based logging is enabled and what type of transactions the logs can contain" ;
+      ObSysVars[324].info_ = "Controls whether GTID based logging is enabled and what type of transactions the logs can contain, merely simulates MySQL 5.7" ;
       ObSysVars[324].name_ = "gtid_mode" ;
       ObSysVars[324].data_type_ = ObIntType ;
       ObSysVars[324].enum_names_ = "[u'OFF', u'OFF_PERMISSIVE', u'ON_PERMISSIVE', u'ON']" ;
@@ -4609,7 +4609,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[325].default_value_ = "0" ;
-      ObSysVars[325].info_ = "This variable is used to specify whether and how the next GTID is obtained" ;
+      ObSysVars[325].info_ = "This variable is used to specify whether and how the next GTID is obtained, merely simulates MySQL 5.7" ;
       ObSysVars[325].name_ = "gtid_next" ;
       ObSysVars[325].data_type_ = ObIntType ;
       ObSysVars[325].enum_names_ = "[u'AUTOMATIC', u'ANONYMOUS']" ;
@@ -4623,7 +4623,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[326].default_value_ = "" ;
-      ObSysVars[326].info_ = "The global value of the gtid_purged system variable is a GTID set consisting of the GTIDs of all the transactions that have been committed on the server, but do not exist in any binary log file on the server. gtid_purged is a subset of gtid_executed" ;
+      ObSysVars[326].info_ = "The global value of the gtid_purged system variable is a GTID set consisting of the GTIDs of all the transactions that have been committed on the server, but do not exist in any binary log file on the server. gtid_purged is a subset of gtid_executed, merely simulates MySQL 5.7" ;
       ObSysVars[326].name_ = "gtid_purged" ;
       ObSysVars[326].data_type_ = ObVarcharType ;
       ObSysVars[326].flags_ = ObSysVarFlag::GLOBAL_SCOPE | ObSysVarFlag::MYSQL_ONLY ;
@@ -4636,7 +4636,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[327].default_value_ = "5" ;
-      ObSysVars[327].info_ = "How often to auto-commit idle connections that use the InnoDB memcached interface, in seconds" ;
+      ObSysVars[327].info_ = "How often to auto-commit idle connections that use the InnoDB memcached interface, in seconds, merely simulates MySQL 5.7" ;
       ObSysVars[327].name_ = "innodb_api_bk_commit_interval" ;
       ObSysVars[327].data_type_ = ObIntType ;
       ObSysVars[327].min_val_ = "1" ;
@@ -4651,7 +4651,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[328].default_value_ = "0" ;
-      ObSysVars[328].info_ = "Controls the transaction isolation level on queries processed by the memcached interface" ;
+      ObSysVars[328].info_ = "Controls the transaction isolation level on queries processed by the memcached interface, merely simulates MySQL 5.7" ;
       ObSysVars[328].name_ = "innodb_api_trx_level" ;
       ObSysVars[328].data_type_ = ObIntType ;
       ObSysVars[328].min_val_ = "0" ;
@@ -4666,7 +4666,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[329].default_value_ = "1" ;
-      ObSysVars[329].info_ = "Enables InnoDB support for two-phase commit in XA transactions, causing an extra disk flush for transaction preparation" ;
+      ObSysVars[329].info_ = "Enables InnoDB support for two-phase commit in XA transactions, causing an extra disk flush for transaction preparation, merely simulates MySQL 5.7" ;
       ObSysVars[329].name_ = "innodb_support_xa" ;
       ObSysVars[329].data_type_ = ObIntType ;
       ObSysVars[329].flags_ = ObSysVarFlag::GLOBAL_SCOPE | ObSysVarFlag::SESSION_SCOPE | ObSysVarFlag::MYSQL_ONLY ;
@@ -4679,7 +4679,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[330].default_value_ = "0" ;
-      ObSysVars[330].info_ = "Controls whether the server returns GTIDs to the client, enabling the client to use them to track the server state" ;
+      ObSysVars[330].info_ = "Controls whether the server returns GTIDs to the client, enabling the client to use them to track the server state, merely simulates MySQL 5.7" ;
       ObSysVars[330].name_ = "session_track_gtids" ;
       ObSysVars[330].data_type_ = ObIntType ;
       ObSysVars[330].enum_names_ = "[u'OFF', u'OWN_GTID', u'ALL_GTIDS']" ;
@@ -4693,7 +4693,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[331].default_value_ = "0" ;
-      ObSysVars[331].info_ = "Controls whether the server tracks the state and characteristics of transactions within the current session and notifies the client to make this information available" ;
+      ObSysVars[331].info_ = "Controls whether the server tracks the state and characteristics of transactions within the current session and notifies the client to make this information available, merely simulates MySQL 5.7" ;
       ObSysVars[331].name_ = "session_track_transaction_info" ;
       ObSysVars[331].data_type_ = ObIntType ;
       ObSysVars[331].enum_names_ = "[u'OFF', u'STATE', u'CHARACTERISTICS']" ;
@@ -4707,7 +4707,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[332].default_value_ = "8192" ;
-      ObSysVars[332].info_ = "The amount in bytes by which to increase a per-transaction memory pool which needs memory" ;
+      ObSysVars[332].info_ = "The amount in bytes by which to increase a per-transaction memory pool which needs memory, merely simulates MySQL 5.7" ;
       ObSysVars[332].name_ = "transaction_alloc_block_size" ;
       ObSysVars[332].data_type_ = ObIntType ;
       ObSysVars[332].min_val_ = "1024" ;
@@ -4722,7 +4722,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[333].default_value_ = "0" ;
-      ObSysVars[333].info_ = "When set to 1 or ON, this variable enables batching of statements within the same transaction. To use this variable, autocommit must first be disabled by setting it to 0 or OFF; otherwise, setting transaction_allow_batching has no effect" ;
+      ObSysVars[333].info_ = "When set to 1 or ON, this variable enables batching of statements within the same transaction. To use this variable, autocommit must first be disabled by setting it to 0 or OFF; otherwise, setting transaction_allow_batching has no effect, merely simulates MySQL 5.7" ;
       ObSysVars[333].name_ = "transaction_allow_batching" ;
       ObSysVars[333].data_type_ = ObIntType ;
       ObSysVars[333].flags_ = ObSysVarFlag::SESSION_SCOPE | ObSysVarFlag::MYSQL_ONLY ;
@@ -4735,7 +4735,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[334].default_value_ = "4096" ;
-      ObSysVars[334].info_ = "There is a per-transaction memory pool from which various transaction-related allocations take memory. The initial size of the pool in bytes is transaction_prealloc_size" ;
+      ObSysVars[334].info_ = "There is a per-transaction memory pool from which various transaction-related allocations take memory. The initial size of the pool in bytes is transaction_prealloc_size, merely simulates MySQL 5.7" ;
       ObSysVars[334].name_ = "transaction_prealloc_size" ;
       ObSysVars[334].data_type_ = ObIntType ;
       ObSysVars[334].min_val_ = "1024" ;
@@ -4750,7 +4750,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[335].default_value_ = "0" ;
-      ObSysVars[335].info_ = "Defines the algorithm used to generate a hash identifying the writes associated with a transaction" ;
+      ObSysVars[335].info_ = "Defines the algorithm used to generate a hash identifying the writes associated with a transaction, merely simulates MySQL 5.7" ;
       ObSysVars[335].name_ = "transaction_write_set_extraction" ;
       ObSysVars[335].data_type_ = ObIntType ;
       ObSysVars[335].enum_names_ = "[u'OFF', u'MURMUR32', u'XXHASH64']" ;
@@ -6579,7 +6579,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[470].default_value_ = "0" ;
-      ObSysVars[470].info_ = "Starts InnoDB in read-only mode. For distributing database applications or data sets on read-only media. Can also be used in data warehouses to share the same data directory between multiple instances." ;
+      ObSysVars[470].info_ = "Starts InnoDB in read-only mode. For distributing database applications or data sets on read-only media. Can also be used in data warehouses to share the same data directory between multiple instances, merely simulates MySQL 5.7" ;
       ObSysVars[470].name_ = "innodb_read_only" ;
       ObSysVars[470].data_type_ = ObIntType ;
       ObSysVars[470].flags_ = ObSysVarFlag::GLOBAL_SCOPE | ObSysVarFlag::MYSQL_ONLY | ObSysVarFlag::READONLY ;
@@ -6592,7 +6592,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[471].default_value_ = "0" ;
-      ObSysVars[471].info_ = "Use this option to disable row locks when InnoDB memcached performs DML operations. By default, innodb_api_disable_rowlock is disabled, which means that memcached requests row locks for get and set operations." ;
+      ObSysVars[471].info_ = "Use this option to disable row locks when InnoDB memcached performs DML operations. By default, innodb_api_disable_rowlock is disabled, which means that memcached requests row locks for get and set operations, merely simulates MySQL 5.7" ;
       ObSysVars[471].name_ = "innodb_api_disable_rowlock" ;
       ObSysVars[471].data_type_ = ObIntType ;
       ObSysVars[471].flags_ = ObSysVarFlag::GLOBAL_SCOPE | ObSysVarFlag::MYSQL_ONLY | ObSysVarFlag::READONLY ;
@@ -6605,7 +6605,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[472].default_value_ = "1" ;
-      ObSysVars[472].info_ = "The lock mode to use for generating auto-increment values. Permissible values are 0, 1, or 2, for traditional, consecutive, or interleaved, respectively. The default setting is 1 (consecutive)." ;
+      ObSysVars[472].info_ = "The lock mode to use for generating auto-increment values. Permissible values are 0, 1, or 2, for traditional, consecutive, or interleaved, respectively. The default setting is 1 (consecutive), merely simulates MySQL 5.7" ;
       ObSysVars[472].name_ = "innodb_autoinc_lock_mode" ;
       ObSysVars[472].data_type_ = ObIntType ;
       ObSysVars[472].min_val_ = "0" ;
@@ -6620,7 +6620,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[473].default_value_ = "1" ;
-      ObSysVars[473].info_ = "This is OFF if mysqld uses external locking (system locking), ON if external locking is disabled." ;
+      ObSysVars[473].info_ = "This is OFF if mysqld uses external locking (system locking), ON if external locking is disabled, merely simulates MySQL 5.7" ;
       ObSysVars[473].name_ = "skip_external_locking" ;
       ObSysVars[473].data_type_ = ObIntType ;
       ObSysVars[473].flags_ = ObSysVarFlag::GLOBAL_SCOPE | ObSysVarFlag::MYSQL_ONLY | ObSysVarFlag::READONLY ;
@@ -6633,7 +6633,7 @@ static struct VarsInit{
 
     [&] (){
       ObSysVars[474].default_value_ = "0" ;
-      ObSysVars[474].info_ = "If the read_only system variable is enabled, the server permits no client updates except from users who have the SUPER privilege. If the super_read_only system variable is also enabled, the server prohibits client updates even from users who have SUPER." ;
+      ObSysVars[474].info_ = "If the read_only system variable is enabled, the server permits no client updates except from users who have the SUPER privilege. If the super_read_only system variable is also enabled, the server prohibits client updates even from users who have SUPER, merely simulates MySQL 5.7" ;
       ObSysVars[474].name_ = "super_read_only" ;
       ObSysVars[474].data_type_ = ObIntType ;
       ObSysVars[474].flags_ = ObSysVarFlag::GLOBAL_SCOPE | ObSysVarFlag::MYSQL_ONLY | ObSysVarFlag::READONLY ;
diff --git a/src/share/system_variable/ob_system_variable_init.json b/src/share/system_variable/ob_system_variable_init.json
index 7443db15f5..42d3a7d96c 100644
--- a/src/share/system_variable/ob_system_variable_init.json
+++ b/src/share/system_variable/ob_system_variable_init.json
@@ -3825,6 +3825,7 @@
     "background_cn": "",
     "ref_url": ""
   },
+
   "flush_time": {
     "id": 10182,
     "name": "flush_time",
@@ -4673,13 +4674,13 @@
     "background_cn": "",
     "ref_url": ""
   },
-    "gtid_executed": {
+  "gtid_executed": {
     "id": 10234,
     "name": "gtid_executed",
     "default_value": "",
     "base_value": "",
     "data_type": "varchar",
-    "info": "When used with global scope, this variable contains a representation of the set of all transactions executed on the server and GTIDs that have been set by a SET gtid_purged statement",
+    "info": "When used with global scope, this variable contains a representation of the set of all transactions executed on the server and GTIDs that have been set by a SET gtid_purged statement, merely simulates MySQL 5.7",
     "flags": "GLOBAL | READONLY | MYSQL_ONLY",
     "publish_version": "424",
     "info_cn": "",
@@ -4692,7 +4693,7 @@
     "default_value": "",
     "base_value": "",
     "data_type": "varchar",
-    "info": "When used with global scope, gtid_owned holds a list of all the GTIDs that are currently in use on the server, with the IDs of the threads that own them. When used with session scope, gtid_owned holds a single GTID that is currently in use by and owned by this session",
+    "info": "When used with global scope, gtid_owned holds a list of all the GTIDs that are currently in use on the server, with the IDs of the threads that own them. When used with session scope, gtid_owned holds a single GTID that is currently in use by and owned by this session, merely simulates MySQL 5.7",
     "flags": "GLOBAL | SESSION | READONLY | MYSQL_ONLY",
     "publish_version": "424",
     "info_cn": "",
@@ -4705,7 +4706,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "bool",
-    "info": "InnoDB rolls back only the last statement on a transaction timeout by default. If --innodb-rollback-on-timeout is specified, a transaction timeout causes InnoDB to abort and roll back the entire transaction",
+    "info": "InnoDB rolls back only the last statement on a transaction timeout by default. If --innodb-rollback-on-timeout is specified, a transaction timeout causes InnoDB to abort and roll back the entire transaction, merely simulates MySQL 5.7",
     "flags": "GLOBAL | READONLY | MYSQL_ONLY",
     "publish_version": "424",
     "info_cn": "",
@@ -4718,7 +4719,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "enum",
-    "info": "completion_type affects transactions that begin with START TRANSACTION or BEGIN and end with COMMIT or ROLLBACK. It does not apply for XA COMMIT, XA ROLLBACK, or when autocommit=1",
+    "info": "completion_type affects transactions that begin with START TRANSACTION or BEGIN and end with COMMIT or ROLLBACK. It does not apply for XA COMMIT, XA ROLLBACK, or when autocommit=1, merely simulates MySQL 5.7",
     "flags": "GLOBAL | SESSION | MYSQL_ONLY",
     "enum_names": [
       "NO_CHAIN",
@@ -4736,7 +4737,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "enum",
-    "info": "Depending on the value of this variable, the server enforces GTID consistency by allowing execution of only statements that can be safely logged using a GTID. You must set this variable to ON before enabling GTID based replication",
+    "info": "Depending on the value of this variable, the server enforces GTID consistency by allowing execution of only statements that can be safely logged using a GTID. You must set this variable to ON before enabling GTID based replication, merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY",
     "enum_names": [
       "OFF",
@@ -4754,7 +4755,7 @@
     "default_value": "1000",
     "base_value": "1000",
     "data_type": "int",
-    "info": "Compress the mysql.gtid_executed table each time this many transactions have been processed",
+    "info": "Compress the mysql.gtid_executed table each time this many transactions have been processed, merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY",
     "min_val": "0",
     "max_val": "4294967295",
@@ -4769,7 +4770,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "enum",
-    "info": "Controls whether GTID based logging is enabled and what type of transactions the logs can contain",
+    "info": "Controls whether GTID based logging is enabled and what type of transactions the logs can contain, merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY",
     "enum_names": [
       "OFF",
@@ -4788,7 +4789,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "enum",
-    "info": "This variable is used to specify whether and how the next GTID is obtained",
+    "info": "This variable is used to specify whether and how the next GTID is obtained, merely simulates MySQL 5.7",
     "flags": "SESSION | MYSQL_ONLY",
     "enum_names": [
       "AUTOMATIC",
@@ -4805,7 +4806,7 @@
     "default_value": "",
     "base_value": "",
     "data_type": "varchar",
-    "info": "The global value of the gtid_purged system variable is a GTID set consisting of the GTIDs of all the transactions that have been committed on the server, but do not exist in any binary log file on the server. gtid_purged is a subset of gtid_executed",
+    "info": "The global value of the gtid_purged system variable is a GTID set consisting of the GTIDs of all the transactions that have been committed on the server, but do not exist in any binary log file on the server. gtid_purged is a subset of gtid_executed, merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY",
     "publish_version": "424",
     "info_cn": "",
@@ -4818,7 +4819,7 @@
     "default_value": "5",
     "base_value": "5",
     "data_type": "int",
-    "info": "How often to auto-commit idle connections that use the InnoDB memcached interface, in seconds",
+    "info": "How often to auto-commit idle connections that use the InnoDB memcached interface, in seconds, merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY",
     "min_val": "1",
     "max_val": "1073741824",
@@ -4833,7 +4834,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "int",
-    "info": "Controls the transaction isolation level on queries processed by the memcached interface",
+    "info": "Controls the transaction isolation level on queries processed by the memcached interface, merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY",
     "min_val": "0",
     "max_val": "3",
@@ -4848,7 +4849,7 @@
     "default_value": "1",
     "base_value": "1",
     "data_type": "bool",
-    "info": "Enables InnoDB support for two-phase commit in XA transactions, causing an extra disk flush for transaction preparation",
+    "info": "Enables InnoDB support for two-phase commit in XA transactions, causing an extra disk flush for transaction preparation, merely simulates MySQL 5.7",
     "flags": "GLOBAL | SESSION | MYSQL_ONLY",
     "publish_version": "424",
     "info_cn": "",
@@ -4861,7 +4862,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "enum",
-    "info": "Controls whether the server returns GTIDs to the client, enabling the client to use them to track the server state",
+    "info": "Controls whether the server returns GTIDs to the client, enabling the client to use them to track the server state, merely simulates MySQL 5.7",
     "flags": "GLOBAL | SESSION | MYSQL_ONLY",
     "enum_names": [
       "OFF",
@@ -4879,7 +4880,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "enum",
-    "info": "Controls whether the server tracks the state and characteristics of transactions within the current session and notifies the client to make this information available",
+    "info": "Controls whether the server tracks the state and characteristics of transactions within the current session and notifies the client to make this information available, merely simulates MySQL 5.7",
     "flags": "GLOBAL | SESSION | MYSQL_ONLY",
     "enum_names": [
       "OFF",
@@ -4898,7 +4899,7 @@
     "default_value": "8192",
     "base_value": "8192",
     "data_type": "int",
-    "info": "The amount in bytes by which to increase a per-transaction memory pool which needs memory",
+    "info": "The amount in bytes by which to increase a per-transaction memory pool which needs memory, merely simulates MySQL 5.7",
     "flags": "GLOBAL | SESSION | MYSQL_ONLY",
     "min_val": "1024",
     "max_val": "131072",
@@ -4913,7 +4914,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "bool",
-    "info": "When set to 1 or ON, this variable enables batching of statements within the same transaction. To use this variable, autocommit must first be disabled by setting it to 0 or OFF; otherwise, setting transaction_allow_batching has no effect",
+    "info": "When set to 1 or ON, this variable enables batching of statements within the same transaction. To use this variable, autocommit must first be disabled by setting it to 0 or OFF; otherwise, setting transaction_allow_batching has no effect, merely simulates MySQL 5.7",
     "flags": "SESSION | MYSQL_ONLY",
     "publish_version": "424",
     "info_cn": "",
@@ -4926,7 +4927,7 @@
     "default_value": "4096",
     "base_value": "4096",
     "data_type": "int",
-    "info": "There is a per-transaction memory pool from which various transaction-related allocations take memory. The initial size of the pool in bytes is transaction_prealloc_size",
+    "info": "There is a per-transaction memory pool from which various transaction-related allocations take memory. The initial size of the pool in bytes is transaction_prealloc_size, merely simulates MySQL 5.7",
     "flags": "GLOBAL | SESSION | MYSQL_ONLY",
     "min_val": "1024",
     "max_val": "131072",
@@ -4941,7 +4942,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "enum",
-    "info": "Defines the algorithm used to generate a hash identifying the writes associated with a transaction",
+    "info": "Defines the algorithm used to generate a hash identifying the writes associated with a transaction, merely simulates MySQL 5.7",
     "flags": "GLOBAL | SESSION | MYSQL_ONLY",
     "enum_names": [
       "OFF",
@@ -6822,7 +6823,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "bool",
-    "info": "Starts InnoDB in read-only mode. For distributing database applications or data sets on read-only media. Can also be used in data warehouses to share the same data directory between multiple instances.",
+    "info": "Starts InnoDB in read-only mode. For distributing database applications or data sets on read-only media. Can also be used in data warehouses to share the same data directory between multiple instances, merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY | READONLY",
     "publish_version": "424",
     "info_cn": "",
@@ -6835,7 +6836,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "bool",
-    "info": "Use this option to disable row locks when InnoDB memcached performs DML operations. By default, innodb_api_disable_rowlock is disabled, which means that memcached requests row locks for get and set operations.",
+    "info": "Use this option to disable row locks when InnoDB memcached performs DML operations. By default, innodb_api_disable_rowlock is disabled, which means that memcached requests row locks for get and set operations, merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY | READONLY",
     "publish_version": "424",
     "info_cn": "",
@@ -6848,7 +6849,7 @@
     "default_value": "1",
     "base_value": "1",
     "data_type": "int",
-    "info": "The lock mode to use for generating auto-increment values. Permissible values are 0, 1, or 2, for traditional, consecutive, or interleaved, respectively. The default setting is 1 (consecutive).",
+    "info": "The lock mode to use for generating auto-increment values. Permissible values are 0, 1, or 2, for traditional, consecutive, or interleaved, respectively. The default setting is 1 (consecutive), merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY | READONLY",
     "min_val": "0",
     "max_val": "2",
@@ -6863,7 +6864,7 @@
     "default_value": "1",
     "base_value": "1",
     "data_type": "bool",
-    "info": "This is OFF if mysqld uses external locking (system locking), ON if external locking is disabled.",
+    "info": "This is OFF if mysqld uses external locking (system locking), ON if external locking is disabled, merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY | READONLY",
     "publish_version": "424",
     "info_cn": "",
@@ -6876,7 +6877,7 @@
     "default_value": "0",
     "base_value": "0",
     "data_type": "bool",
-    "info": "If the read_only system variable is enabled, the server permits no client updates except from users who have the SUPER privilege. If the super_read_only system variable is also enabled, the server prohibits client updates even from users who have SUPER.",
+    "info": "If the read_only system variable is enabled, the server permits no client updates except from users who have the SUPER privilege. If the super_read_only system variable is also enabled, the server prohibits client updates even from users who have SUPER, merely simulates MySQL 5.7",
     "flags": "GLOBAL | MYSQL_ONLY | READONLY",
     "publish_version": "424",
     "info_cn": "",
diff --git a/src/sql/CMakeLists.txt b/src/sql/CMakeLists.txt
index d422c81d73..439985433c 100644
--- a/src/sql/CMakeLists.txt
+++ b/src/sql/CMakeLists.txt
@@ -773,6 +773,7 @@ ob_set_subtarget(ob_sql engine_expr
   engine/expr/ob_expr_vec_key.cpp
   engine/expr/ob_expr_vec_data.cpp
   engine/expr/ob_expr_topn_filter.cpp
+  engine/expr/ob_expr_gtid.cpp
   engine/expr/ob_expr_inner_table_option_printer.cpp
   engine/expr/ob_expr_rb_build_empty.cpp
   engine/expr/ob_expr_rb_is_empty.cpp
diff --git a/src/sql/engine/cmd/ob_variable_set_executor.cpp b/src/sql/engine/cmd/ob_variable_set_executor.cpp
index 5fef667544..3f54e260cf 100644
--- a/src/sql/engine/cmd/ob_variable_set_executor.cpp
+++ b/src/sql/engine/cmd/ob_variable_set_executor.cpp
@@ -1380,7 +1380,9 @@ int ObVariableSetExecutor::is_support(const share::ObSetVar &set_var)
     LOG_WARN("unknown variable", K(set_var.var_name_), K(ret));
   } else if ((SYS_VAR_DEBUG <= var_id && SYS_VAR_STORED_PROGRAM_CACHE >= var_id) ||
              (SYS_VAR_INSERT_ID <= var_id && SYS_VAR_MAX_WRITE_LOCK_COUNT >= var_id) ||
-             (SYS_VAR_BIG_TABLES <= var_id && SYS_VAR_DELAYED_INSERT_LIMIT >= var_id)) {
+             (SYS_VAR_BIG_TABLES <= var_id && SYS_VAR_DELAYED_INSERT_LIMIT >= var_id) ||
+             (SYS_VAR_GTID_EXECUTED <= var_id && SYS_VAR_TRANSACTION_WRITE_SET_EXTRACTION >= var_id) ||
+             (SYS_VAR_INNODB_READ_ONLY <= var_id && SYS_VAR_SUPER_READ_ONLY >= var_id)) {
     ret = OB_NOT_SUPPORTED;
     LOG_WARN("This variable not support, just mock", K(set_var.var_name_), K(var_id), K(ret));
   }
diff --git a/src/sql/engine/expr/ob_expr_eval_functions.cpp b/src/sql/engine/expr/ob_expr_eval_functions.cpp
index 96713100db..458bba4f78 100644
--- a/src/sql/engine/expr/ob_expr_eval_functions.cpp
+++ b/src/sql/engine/expr/ob_expr_eval_functions.cpp
@@ -386,6 +386,7 @@
 #include "ob_expr_func_ceil.h"
 #include "ob_expr_topn_filter.h"
 #include "ob_expr_sdo_relate.h"
+#include "ob_expr_gtid.h"
 #include "ob_expr_inner_table_option_printer.h"
 #include "ob_expr_password.h"
 #include "ob_expr_decode_trace_id.h"
@@ -1189,10 +1190,10 @@ static ObExpr::EvalFunc g_expr_eval_functions[] = {
   ObExprIsUsedLock::is_used_lock,                                     /* 683 */
   ObExprReleaseLock::release_lock,                                    /* 684 */
   ObExprReleaseAllLocks::release_all_locks,                           /* 685 */
-  NULL, // ObExprGTIDSubset::eval_subset,                             /* 686 */
-  NULL, // ObExprGTIDSubtract::eval_subtract,                         /* 687 */
-  NULL, // ObExprWaitForExecutedGTIDSet::eval_wait_for_executed_gtid_set, /* 688 */
-  NULL, // ObExprWaitUntilSQLThreadAfterGTIDs::eval_wait_until_sql_thread_after_gtids /* 689 */
+  ObExprGTIDSubset::eval_subset,                                      /* 686 */
+  ObExprGTIDSubtract::eval_subtract,                                  /* 687 */
+  ObExprWaitForExecutedGTIDSet::eval_wait_for_executed_gtid_set,      /* 688 */
+  ObExprWaitUntilSQLThreadAfterGTIDs::eval_wait_until_sql_thread_after_gtids, /* 689 */
   ObExprLastRefreshScn::eval_last_refresh_scn,                        /* 690 */
   ObExprDocLength::generate_doc_length,                               /* 691 */
   ObExprTopNFilter::eval_topn_filter,                                 /* 692 */
diff --git a/src/sql/engine/expr/ob_expr_gtid.cpp b/src/sql/engine/expr/ob_expr_gtid.cpp
new file mode 100644
index 0000000000..a65f0aa9d3
--- /dev/null
+++ b/src/sql/engine/expr/ob_expr_gtid.cpp
@@ -0,0 +1,239 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ * This file contains implementation for _st_asmvtgeom.
+ */
+
+#define USING_LOG_PREFIX SQL_ENG
+
+#include "sql/engine/expr/ob_expr_gtid.h"
+using namespace oceanbase::common;
+using namespace oceanbase::sql;
+
+namespace oceanbase
+{
+namespace sql
+{
+ObExprGTID::ObExprGTID(common::ObIAllocator &alloc, ObExprOperatorType type, const char *name, int32_t param_num) :
+  ObFuncExprOperator(alloc, type, name, param_num, NOT_VALID_FOR_GENERATED_COL, NOT_ROW_DIMENSION){};
+
+ObExprGTID::~ObExprGTID(){};
+
+ObExprGTIDSubset::ObExprGTIDSubset(common::ObIAllocator &alloc) :
+  ObExprGTID(alloc, T_FUN_SYS_GTID_SUBSET, N_GTID_SUBSET, 2){};
+
+int ObExprGTIDSubset::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
+{
+  int ret = OB_SUCCESS;
+  UNUSED(expr_cg_ctx);
+  UNUSED(raw_expr);
+
+  CK (2 == rt_expr.arg_cnt_);
+  const ObExpr *set1 = rt_expr.args_[0];
+  const ObExpr *set2 = rt_expr.args_[1];
+  CK (OB_NOT_NULL(set1), OB_NOT_NULL(set2));
+
+  if (OB_SUCC(ret)) {
+    rt_expr.eval_func_ = ObExprGTIDSubset::eval_subset;
+  }
+
+  return ret;
+}
+
+int ObExprGTIDSubset::calc_result_type2(ObExprResType &type,
+                                        ObExprResType &type1,
+                                        ObExprResType &type2,
+                                        common::ObExprTypeCtx &type_ctx) const
+{
+  int ret = OB_SUCCESS;
+  // result
+  type.set_type(ObIntType);
+  type_ctx.set_cast_mode(type_ctx.get_cast_mode() | CM_NULL_ON_WARN);
+
+  // set1
+  type1.set_calc_type(ObVarcharType);
+  type1.set_calc_collation_type(ObCharset::get_system_collation());
+
+  // set2
+  type2.set_calc_type(ObVarcharType);
+  type2.set_calc_collation_type(ObCharset::get_system_collation());
+  return ret;
+}
+
+int ObExprGTIDSubset::eval_subset(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &result)
+{
+  // mock
+  result.set_null();
+  return OB_SUCCESS;
+}
+
+ObExprGTIDSubtract::ObExprGTIDSubtract(common::ObIAllocator &alloc) :
+  ObExprGTID(alloc, T_FUN_SYS_GTID_SUBTRACT, N_GTID_SUBTRACT, 2){};
+
+int ObExprGTIDSubtract::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
+{
+  int ret = OB_SUCCESS;
+  UNUSED(expr_cg_ctx);
+  UNUSED(raw_expr);
+
+  CK (2 == rt_expr.arg_cnt_);
+  const ObExpr *set1 = rt_expr.args_[0];
+  const ObExpr *set2 = rt_expr.args_[1];
+  CK (OB_NOT_NULL(set1), OB_NOT_NULL(set2));
+
+  if (OB_SUCC(ret)) {
+    rt_expr.eval_func_ = ObExprGTIDSubtract::eval_subtract;
+  }
+
+  return ret;
+}
+
+int ObExprGTIDSubtract::calc_result_type2(ObExprResType &type,
+                                          ObExprResType &type1,
+                                          ObExprResType &type2,
+                                          common::ObExprTypeCtx &type_ctx) const
+{
+  int ret = OB_SUCCESS;
+  // result
+  type.set_type(ObIntType);
+  type_ctx.set_cast_mode(type_ctx.get_cast_mode() | CM_NULL_ON_WARN);
+
+  // set1
+  type1.set_calc_type(ObVarcharType);
+  type1.set_calc_collation_type(ObCharset::get_system_collation());
+
+  // set2
+  type2.set_calc_type(ObVarcharType);
+  type2.set_calc_collation_type(ObCharset::get_system_collation());
+  return ret;
+}
+
+int ObExprGTIDSubtract::eval_subtract(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &result)
+{
+  // mock
+  result.set_null();
+  return OB_SUCCESS;
+}
+
+ObExprWaitForExecutedGTIDSet::ObExprWaitForExecutedGTIDSet(common::ObIAllocator &alloc) :
+  ObExprGTID(alloc, T_FUN_SYS_WAIT_FOR_EXECUTED_GTID_SET, N_WAIT_FOR_EXECUTED_GTID_SET, ONE_OR_TWO){};
+
+int ObExprWaitForExecutedGTIDSet::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
+{
+  int ret = OB_SUCCESS;
+  UNUSED(expr_cg_ctx);
+  UNUSED(raw_expr);
+
+  CK (1 == rt_expr.arg_cnt_ || 2 == rt_expr.arg_cnt_);
+  const ObExpr *set = rt_expr.args_[0];
+  CK (OB_NOT_NULL(set));
+  if (2 == rt_expr.arg_cnt_) {
+    const ObExpr *timeout = rt_expr.args_[1];
+    CK (OB_NOT_NULL(timeout));
+  }
+
+  if (OB_SUCC(ret)) {
+    rt_expr.eval_func_ = ObExprWaitForExecutedGTIDSet::eval_wait_for_executed_gtid_set;
+  }
+
+  return ret;
+}
+
+int ObExprWaitForExecutedGTIDSet::calc_result_typeN(ObExprResType &type,
+                                                    ObExprResType *types,
+                                                    int64_t param_num,
+                                                    common::ObExprTypeCtx &type_ctx) const
+{
+  int ret = OB_SUCCESS;
+  // result
+  type.set_type(ObIntType);
+  type_ctx.set_cast_mode(type_ctx.get_cast_mode() | CM_NULL_ON_WARN);
+
+  // gtid_set
+  types[0].set_calc_type(ObVarcharType);
+  types[0].set_calc_collation_type(ObCharset::get_system_collation());
+
+  // timeout
+  if (2 == param_num) {
+    type.set_type(ObIntType);
+  }
+
+  return ret;
+}
+
+int ObExprWaitForExecutedGTIDSet::eval_wait_for_executed_gtid_set(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &result)
+{
+  // mock
+  result.set_null();
+  return OB_SUCCESS;
+}
+
+
+ObExprWaitUntilSQLThreadAfterGTIDs::ObExprWaitUntilSQLThreadAfterGTIDs(common::ObIAllocator &alloc) :
+  ObExprGTID(alloc, T_FUN_SYS_WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS, N_WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS, MORE_THAN_ZERO){};
+
+int ObExprWaitUntilSQLThreadAfterGTIDs::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
+{
+  int ret = OB_SUCCESS;
+  UNUSED(expr_cg_ctx);
+  UNUSED(raw_expr);
+
+  CK (1 == rt_expr.arg_cnt_ || 2 == rt_expr.arg_cnt_ || 3 == rt_expr.arg_cnt_);
+  const ObExpr *set = rt_expr.args_[0];
+  CK (OB_NOT_NULL(set));
+  if (2 <= rt_expr.arg_cnt_) {
+    const ObExpr *timeout = rt_expr.args_[1];
+    CK (OB_NOT_NULL(timeout));
+    if (3 == rt_expr.arg_cnt_) {
+      const ObExpr *channel = rt_expr.args_[2];
+      CK (OB_NOT_NULL(channel));
+    }
+  }
+
+  if (OB_SUCC(ret)) {
+    rt_expr.eval_func_ = ObExprWaitUntilSQLThreadAfterGTIDs::eval_wait_until_sql_thread_after_gtids;
+  }
+
+  return ret;
+}
+
+int ObExprWaitUntilSQLThreadAfterGTIDs::calc_result_typeN(ObExprResType &type,
+                                                          ObExprResType *types,
+                                                          int64_t param_num,
+                                                          common::ObExprTypeCtx &type_ctx) const
+{
+  int ret = OB_SUCCESS;
+  // result
+  type.set_type(ObIntType);
+  type_ctx.set_cast_mode(type_ctx.get_cast_mode() | CM_NULL_ON_WARN);
+
+  // gtid_set
+  types[0].set_calc_type(ObVarcharType);
+  types[0].set_calc_collation_type(ObCharset::get_system_collation());
+
+  if (2 <= param_num) {
+    // timeout
+    types[1].set_type(ObIntType);
+    if (3 == param_num) {
+      // channel
+      types[2].set_type(ObIntType);
+    }
+  }
+  return ret;
+}
+
+int ObExprWaitUntilSQLThreadAfterGTIDs::eval_wait_until_sql_thread_after_gtids(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &result)
+{
+  // mock
+  result.set_null();
+  return OB_SUCCESS;
+}
+}  // namespace sql
+}  // namespace oceanbase
diff --git a/src/sql/engine/expr/ob_expr_gtid.h b/src/sql/engine/expr/ob_expr_gtid.h
new file mode 100644
index 0000000000..6093d2e8df
--- /dev/null
+++ b/src/sql/engine/expr/ob_expr_gtid.h
@@ -0,0 +1,95 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ * This file contains implementation for _st_asmvtgeom.
+ */
+
+#ifndef OCEANBASE_SQL_OB_EXPR_GTID_H_
+#define OCEANBASE_SQL_OB_EXPR_GTID_H_
+
+#include "sql/engine/expr/ob_expr_operator.h"
+
+using namespace oceanbase::common;
+
+namespace oceanbase
+{
+namespace sql
+{
+class ObExprGTID : public ObFuncExprOperator
+{
+public:
+  explicit ObExprGTID(common::ObIAllocator &alloc, ObExprOperatorType type, const char *name, int32_t param_num);
+  virtual ~ObExprGTID();
+
+private:
+  DISALLOW_COPY_AND_ASSIGN(ObExprGTID);
+};
+class ObExprGTIDSubset : public ObExprGTID
+{
+public:
+  explicit ObExprGTIDSubset(common::ObIAllocator &alloc);
+  int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const override;
+  int calc_result_type2(ObExprResType &type,
+                        ObExprResType &type1,
+                        ObExprResType &type2,
+                        common::ObExprTypeCtx &type_ctx) const override;
+  static int eval_subset(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &result);
+
+private:
+  DISALLOW_COPY_AND_ASSIGN(ObExprGTIDSubset);
+};
+
+class ObExprGTIDSubtract : public ObExprGTID
+{
+public:
+  explicit ObExprGTIDSubtract(common::ObIAllocator &alloc);
+  int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const override;
+  int calc_result_type2(ObExprResType &type,
+                        ObExprResType &type1,
+                        ObExprResType &type2,
+                        common::ObExprTypeCtx &type_ctx) const override;
+  static int eval_subtract(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &result);
+
+private:
+  DISALLOW_COPY_AND_ASSIGN(ObExprGTIDSubtract);
+};
+
+class ObExprWaitForExecutedGTIDSet : public ObExprGTID
+{
+public:
+  explicit ObExprWaitForExecutedGTIDSet(common::ObIAllocator &alloc);
+  int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const override;
+  int calc_result_typeN(ObExprResType &type,
+                        ObExprResType *types,
+                        int64_t param_num,
+                        common::ObExprTypeCtx &type_ctx) const override;
+  static int eval_wait_for_executed_gtid_set(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &result);
+
+private:
+  DISALLOW_COPY_AND_ASSIGN(ObExprWaitForExecutedGTIDSet);
+};
+
+class ObExprWaitUntilSQLThreadAfterGTIDs : public ObExprGTID
+{
+public:
+  explicit ObExprWaitUntilSQLThreadAfterGTIDs(common::ObIAllocator &alloc);
+  int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const override;
+  int calc_result_typeN(ObExprResType &type,
+                        ObExprResType *types,
+                        int64_t param_num,
+                        common::ObExprTypeCtx &type_ctx) const override;
+  static int eval_wait_until_sql_thread_after_gtids(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &result);
+
+private:
+  DISALLOW_COPY_AND_ASSIGN(ObExprWaitUntilSQLThreadAfterGTIDs);
+};
+}  // namespace sql
+}  // namespace oceanbase
+#endif  // OCEANBASE_SQL_OB_EXPR_JSON_REMOVE_H_
diff --git a/src/sql/engine/expr/ob_expr_operator_factory.cpp b/src/sql/engine/expr/ob_expr_operator_factory.cpp
index 98a63b9920..a4338be75e 100644
--- a/src/sql/engine/expr/ob_expr_operator_factory.cpp
+++ b/src/sql/engine/expr/ob_expr_operator_factory.cpp
@@ -440,6 +440,7 @@
 #include "sql/engine/expr/ob_expr_st_symdifference.h"
 #include "sql/engine/expr/ob_expr_priv_st_asmvtgeom.h"
 #include "sql/engine/expr/ob_expr_priv_st_makevalid.h"
+#include "sql/engine/expr/ob_expr_gtid.h"
 #include "sql/engine/expr/ob_expr_array.h"
 #include "sql/engine/expr/ob_expr_vec_vid.h"
 #include "sql/engine/expr/ob_expr_vec_type.h"
@@ -1146,6 +1147,10 @@ void ObExprOperatorFactory::register_expr_operators()
     REG_OP(ObExprRbToString);
     REG_OP(ObExprRbFromString);
     REG_OP(ObExprGetPath);
+    REG_OP(ObExprGTIDSubset);
+    REG_OP(ObExprGTIDSubtract);
+    REG_OP(ObExprWaitForExecutedGTIDSet);
+    REG_OP(ObExprWaitUntilSQLThreadAfterGTIDs);
     REG_OP(ObExprArrayContains);
     REG_OP(ObExprDecodeTraceId);
     REG_OP(ObExprAuditLogSetFilter);
diff --git a/src/storage/tx/ob_trans_define.h b/src/storage/tx/ob_trans_define.h
index 45b58a6fd0..60a60010eb 100644
--- a/src/storage/tx/ob_trans_define.h
+++ b/src/storage/tx/ob_trans_define.h
@@ -923,7 +923,8 @@ public:
 public:
   static bool is_valid(const int32_t level)
   {
-    return level == READ_COMMITED
+    return level == READ_UNCOMMITTED
+        || level == READ_COMMITED
         || level == REPEATABLE_READ
         || level == SERIALIZABLE;
   }
diff --git a/tools/deploy/mysql_test/r/mysql/information_schema.result b/tools/deploy/mysql_test/r/mysql/information_schema.result
index 4f0860f9a7..6953ff50d2 100644
--- a/tools/deploy/mysql_test/r/mysql/information_schema.result
+++ b/tools/deploy/mysql_test/r/mysql/information_schema.result
@@ -211,6 +211,8 @@ select * from information_schema.tables where table_schema in ('oceanbase', 'mys
 | def           | information_schema | INNODB_FT_CONFIG                                       | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_FT_DELETED                                      | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_FT_INDEX_CACHE                                  | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
+| def           | information_schema | INNODB_LOCKS                                           | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
+| def           | information_schema | INNODB_LOCK_WAITS                                      | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_METRICS                                         | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_SYS_COLUMNS                                     | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_SYS_DATAFILES                                   | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
@@ -223,7 +225,9 @@ select * from information_schema.tables where table_schema in ('oceanbase', 'mys
 | def           | information_schema | INNODB_SYS_TABLESTATS                                  | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_SYS_VIRTUAL                                     | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_TEMP_TABLE_INFO                                 | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
+| def           | information_schema | INNODB_TRX                                             | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | KEY_COLUMN_USAGE                                       | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
+| def           | information_schema | NDB_TRANSID_MYSQL_CONNECTION_MAP                       | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | OPTIMIZER_TRACE                                        | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | PARAMETERS                                             | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | PARTITIONS                                             | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
@@ -1769,6 +1773,8 @@ select * from information_schema.tables where table_schema in ('oceanbase', 'mys
 | def           | information_schema | INNODB_FT_CONFIG                                       | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_FT_DELETED                                      | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_FT_INDEX_CACHE                                  | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
+| def           | information_schema | INNODB_LOCKS                                           | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
+| def           | information_schema | INNODB_LOCK_WAITS                                      | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_METRICS                                         | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_SYS_COLUMNS                                     | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_SYS_DATAFILES                                   | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
@@ -1781,7 +1787,9 @@ select * from information_schema.tables where table_schema in ('oceanbase', 'mys
 | def           | information_schema | INNODB_SYS_TABLESTATS                                  | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_SYS_VIRTUAL                                     | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | INNODB_TEMP_TABLE_INFO                                 | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
+| def           | information_schema | INNODB_TRX                                             | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | KEY_COLUMN_USAGE                                       | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
+| def           | information_schema | NDB_TRANSID_MYSQL_CONNECTION_MAP                       | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | OPTIMIZER_TRACE                                        | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | PARAMETERS                                             | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
 | def           | information_schema | PARTITIONS                                             | SYSTEM VIEW  | MEMORY |    NULL | DYNAMIC    |       NULL |           NULL |        NULL |            NULL |            0 |      NULL |           NULL | NULL                | NULL                | NULL       | utf8mb4_general_ci |     NULL | NULL           |               |
diff --git a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_sys_views_in_mysql.result b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_sys_views_in_mysql.result
index 797fa35735..3f9aad4a43 100644
--- a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_sys_views_in_mysql.result
+++ b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_sys_views_in_mysql.result
@@ -6464,6 +6464,67 @@ LIMIT_VALUE	bigint(20)	NO
 select /*+QUERY_TIMEOUT(60000000)*/ count(*) as cnt from (select * from oceanbase.V$OB_TENANT_RESOURCE_LIMIT_DETAIL limit 1);
 cnt
 1
+desc information_schema.INNODB_LOCK_WAITS;
+Field	Type	Null	Key	Default	Extra
+REQUESTING_TRX_ID	varchar(1)	NO			
+REQUESTED_LOCK_ID	varchar(1)	NO			
+BLOCKING_TRX_ID	varchar(1)	NO			
+BLOCKING_LOCK_ID	varchar(1)	NO			
+select /*+QUERY_TIMEOUT(60000000)*/ count(*) as cnt from (select * from information_schema.INNODB_LOCK_WAITS limit 1);
+cnt
+1
+desc information_schema.INNODB_LOCKS;
+Field	Type	Null	Key	Default	Extra
+LOCK_ID	varchar(1)	NO			
+LOCK_TRX_ID	varchar(1)	NO			
+LOCK_MODE	varchar(1)	NO			
+LOCK_TYPE	varchar(1)	NO			
+LOCK_TABLE	varchar(1)	NO			
+LOCK_INDEX	varchar(1)	NO			
+LOCK_SPACE	bigint(1)	NO			
+LOCK_PAGE	bigint(1)	NO			
+LOCK_REC	bigint(1)	NO			
+LOCK_DATA	varchar(1)	NO			
+select /*+QUERY_TIMEOUT(60000000)*/ count(*) as cnt from (select * from information_schema.INNODB_LOCKS limit 1);
+cnt
+1
+desc information_schema.INNODB_TRX;
+Field	Type	Null	Key	Default	Extra
+TRX_ID	varchar(1)	NO			
+TRX_STATE	varchar(1)	NO			
+TRX_STARTED	datetime	NO			
+TRX_REQUESTED_LOCK_ID	varchar(1)	NO			
+TRX_WAIT_STARTED	datetime	NO			
+TRX_WEIGHT	bigint(1)	NO			
+TRX_MYSQL_THREAD_ID	bigint(1)	NO			
+TRX_QUERY	varchar(1)	NO			
+TRX_OPERATION_STATE	varchar(1)	NO			
+TRX_TABLE_IN_USE	bigint(1)	NO			
+TRX_TABLES_LOCKED	bigint(1)	NO			
+TRX_LOCK_STRUCTS	bigint(1)	NO			
+TRX_LOCK_MEMORY_BYTES	bigint(1)	NO			
+TRX_ROWS_LOCKED	bigint(1)	NO			
+TRX_ROWS_MODIFIED	bigint(1)	NO			
+TRX_CONCURRENCY_TICKETS	bigint(1)	NO			
+TRX_ISOLATION_LEVEL	varchar(1)	NO			
+TRX_UNIQUE_CHECKS	bigint(1)	NO			
+TRX_FOREIGN_KEY_CHECKS	bigint(1)	NO			
+TRX_LAST_FOREIGN_KEY_ERROR	varchar(1)	NO			
+TRX_ADAPTIVE_HASH_LATCHED	bigint(1)	NO			
+TRX_ADAPTIVE_HASH_TIMEOUT	bigint(1)	NO			
+TRX_IS_READ_ONLY	bigint(1)	NO			
+TRX_AUTOCOMMIT_NON_LOCKING	bigint(1)	NO			
+select /*+QUERY_TIMEOUT(60000000)*/ count(*) as cnt from (select * from information_schema.INNODB_TRX limit 1);
+cnt
+1
+desc information_schema.NDB_TRANSID_MYSQL_CONNECTION_MAP;
+Field	Type	Null	Key	Default	Extra
+MYSQL_CONNECTION_ID	bigint(1)	NO			
+NODE_ID	bigint(1)	NO			
+NDB_TRANSID	bigint(1)	NO			
+select /*+QUERY_TIMEOUT(60000000)*/ count(*) as cnt from (select * from information_schema.NDB_TRANSID_MYSQL_CONNECTION_MAP limit 1);
+cnt
+1
 desc oceanbase.V$OB_GROUP_IO_STAT;
 Field	Type	Null	Key	Default	Extra
 TENANT_ID	bigint(20)	NO			
diff --git a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_sys_views_in_sys.result b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_sys_views_in_sys.result
index 6b0ea96f11..0f4bc35a93 100644
--- a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_sys_views_in_sys.result
+++ b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_sys_views_in_sys.result
@@ -9364,6 +9364,67 @@ LIMIT_VALUE	bigint(20)	NO
 select /*+QUERY_TIMEOUT(60000000)*/ count(*) as cnt from (select * from oceanbase.V$OB_TENANT_RESOURCE_LIMIT_DETAIL limit 1);
 cnt
 1
+desc information_schema.INNODB_LOCK_WAITS;
+Field	Type	Null	Key	Default	Extra
+REQUESTING_TRX_ID	varchar(1)	NO			
+REQUESTED_LOCK_ID	varchar(1)	NO			
+BLOCKING_TRX_ID	varchar(1)	NO			
+BLOCKING_LOCK_ID	varchar(1)	NO			
+select /*+QUERY_TIMEOUT(60000000)*/ count(*) as cnt from (select * from information_schema.INNODB_LOCK_WAITS limit 1);
+cnt
+1
+desc information_schema.INNODB_LOCKS;
+Field	Type	Null	Key	Default	Extra
+LOCK_ID	varchar(1)	NO			
+LOCK_TRX_ID	varchar(1)	NO			
+LOCK_MODE	varchar(1)	NO			
+LOCK_TYPE	varchar(1)	NO			
+LOCK_TABLE	varchar(1)	NO			
+LOCK_INDEX	varchar(1)	NO			
+LOCK_SPACE	bigint(1)	NO			
+LOCK_PAGE	bigint(1)	NO			
+LOCK_REC	bigint(1)	NO			
+LOCK_DATA	varchar(1)	NO			
+select /*+QUERY_TIMEOUT(60000000)*/ count(*) as cnt from (select * from information_schema.INNODB_LOCKS limit 1);
+cnt
+1
+desc information_schema.INNODB_TRX;
+Field	Type	Null	Key	Default	Extra
+TRX_ID	varchar(1)	NO			
+TRX_STATE	varchar(1)	NO			
+TRX_STARTED	datetime	NO			
+TRX_REQUESTED_LOCK_ID	varchar(1)	NO			
+TRX_WAIT_STARTED	datetime	NO			
+TRX_WEIGHT	bigint(1)	NO			
+TRX_MYSQL_THREAD_ID	bigint(1)	NO			
+TRX_QUERY	varchar(1)	NO			
+TRX_OPERATION_STATE	varchar(1)	NO			
+TRX_TABLE_IN_USE	bigint(1)	NO			
+TRX_TABLES_LOCKED	bigint(1)	NO			
+TRX_LOCK_STRUCTS	bigint(1)	NO			
+TRX_LOCK_MEMORY_BYTES	bigint(1)	NO			
+TRX_ROWS_LOCKED	bigint(1)	NO			
+TRX_ROWS_MODIFIED	bigint(1)	NO			
+TRX_CONCURRENCY_TICKETS	bigint(1)	NO			
+TRX_ISOLATION_LEVEL	varchar(1)	NO			
+TRX_UNIQUE_CHECKS	bigint(1)	NO			
+TRX_FOREIGN_KEY_CHECKS	bigint(1)	NO			
+TRX_LAST_FOREIGN_KEY_ERROR	varchar(1)	NO			
+TRX_ADAPTIVE_HASH_LATCHED	bigint(1)	NO			
+TRX_ADAPTIVE_HASH_TIMEOUT	bigint(1)	NO			
+TRX_IS_READ_ONLY	bigint(1)	NO			
+TRX_AUTOCOMMIT_NON_LOCKING	bigint(1)	NO			
+select /*+QUERY_TIMEOUT(60000000)*/ count(*) as cnt from (select * from information_schema.INNODB_TRX limit 1);
+cnt
+1
+desc information_schema.NDB_TRANSID_MYSQL_CONNECTION_MAP;
+Field	Type	Null	Key	Default	Extra
+MYSQL_CONNECTION_ID	bigint(1)	NO			
+NODE_ID	bigint(1)	NO			
+NDB_TRANSID	bigint(1)	NO			
+select /*+QUERY_TIMEOUT(60000000)*/ count(*) as cnt from (select * from information_schema.NDB_TRANSID_MYSQL_CONNECTION_MAP limit 1);
+cnt
+1
 desc oceanbase.V$OB_GROUP_IO_STAT;
 Field	Type	Null	Key	Default	Extra
 TENANT_ID	bigint(20)	NO			
diff --git a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/inner_table_overall.result b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/inner_table_overall.result
index 9b9de90070..5159d1a6b6 100644
--- a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/inner_table_overall.result
+++ b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/inner_table_overall.result
@@ -1217,6 +1217,10 @@ select 0xffffffffff & table_id, table_name, table_type, database_id, part_num fr
 21551	V$OB_TENANT_RESOURCE_LIMIT	1	201001	1
 21552	GV$OB_TENANT_RESOURCE_LIMIT_DETAIL	1	201001	1
 21553	V$OB_TENANT_RESOURCE_LIMIT_DETAIL	1	201001	1
+21554	INNODB_LOCK_WAITS	1	201002	1
+21555	INNODB_LOCKS	1	201002	1
+21556	INNODB_TRX	1	201002	1
+21557	NDB_TRANSID_MYSQL_CONNECTION_MAP	1	201002	1
 21558	V$OB_GROUP_IO_STAT	1	201001	1
 21559	GV$OB_GROUP_IO_STAT	1	201001	1
 21560	DBA_OB_STORAGE_IO_USAGE	1	201001	1
diff --git a/tools/deploy/mysql_test/test_suite/sys_vars/r/mysql/tx_isolation_basic.result b/tools/deploy/mysql_test/test_suite/sys_vars/r/mysql/tx_isolation_basic.result
index b20ec604dc..93a0ebf77a 100644
--- a/tools/deploy/mysql_test/test_suite/sys_vars/r/mysql/tx_isolation_basic.result
+++ b/tools/deploy/mysql_test/test_suite/sys_vars/r/mysql/tx_isolation_basic.result
@@ -17,9 +17,13 @@ ERROR 42000: Variable 'tx_isolation' can't be set to the value of ''
 SET @@session.transaction_isolation='';
 ERROR 42000: Variable 'transaction_isolation' can't be set to the value of ''
 SET @@global.tx_isolation='READ-UNCOMMITTED';
-ERROR 0A000: Isolation level READ-UNCOMMITTED not supported
+SELECT @@global.tx_isolation;
+@@global.tx_isolation
+READ-UNCOMMITTED
 SET @@global.transaction_isolation='READ-UNCOMMITTED';
-ERROR 0A000: Isolation level READ-UNCOMMITTED not supported
+SELECT @@global.transaction_isolation;
+@@global.transaction_isolation
+READ-UNCOMMITTED
 SET @@global.tx_isolation='read-COMMITTED';
 SELECT @@global.tx_isolation;
 @@global.tx_isolation
@@ -45,9 +49,13 @@ SELECT @@global.transaction_isolation;
 @@global.transaction_isolation
 SERIALIZABLE
 SET @@session.tx_isolation='READ-UNCOMMITTED';
-ERROR 0A000: Isolation level READ-UNCOMMITTED not supported
+SELECT @@session.tx_isolation;
+@@session.tx_isolation
+READ-UNCOMMITTED
 SET @@session.transaction_isolation='READ-UNCOMMITTED';
-ERROR 0A000: Isolation level READ-UNCOMMITTED not supported
+SELECT @@session.transaction_isolation;
+@@session.transaction_isolation
+READ-UNCOMMITTED
 SET @@session.tx_isolation='READ-COMMITTED';
 SELECT @@session.tx_isolation;
 @@session.tx_isolation
diff --git a/tools/deploy/mysql_test/test_suite/sys_vars/t/tx_isolation_basic.test b/tools/deploy/mysql_test/test_suite/sys_vars/t/tx_isolation_basic.test
index d6bd575e30..48511789c4 100644
--- a/tools/deploy/mysql_test/test_suite/sys_vars/t/tx_isolation_basic.test
+++ b/tools/deploy/mysql_test/test_suite/sys_vars/t/tx_isolation_basic.test
@@ -28,11 +28,10 @@ SET @@session.tx_isolation='';
 --Error ER_WRONG_VALUE_FOR_VAR
 SET @@session.transaction_isolation='';
 
---Error ER_NOT_SUPPORTED_YET
 SET @@global.tx_isolation='READ-UNCOMMITTED';
-
---Error ER_NOT_SUPPORTED_YET
+SELECT @@global.tx_isolation;
 SET @@global.transaction_isolation='READ-UNCOMMITTED';
+SELECT @@global.transaction_isolation;
 
 SET @@global.tx_isolation='read-COMMITTED';
 SELECT @@global.tx_isolation;
@@ -52,11 +51,12 @@ SELECT @@global.transaction_isolation;
 SET @@global.transaction_isolation='SERIALizable';
 SELECT @@global.transaction_isolation;
 
---Error ER_NOT_SUPPORTED_YET
 SET @@session.tx_isolation='READ-UNCOMMITTED';
+SELECT @@session.tx_isolation;
 
---Error ER_NOT_SUPPORTED_YET
 SET @@session.transaction_isolation='READ-UNCOMMITTED';
+SELECT @@session.transaction_isolation;
+
 
 SET @@session.tx_isolation='READ-COMMITTED';
 SELECT @@session.tx_isolation;