diff --git a/src/objit/include/objit/common/ob_item_type.h b/src/objit/include/objit/common/ob_item_type.h
index 9199542e13..c23faba934 100755
--- a/src/objit/include/objit/common/ob_item_type.h
+++ b/src/objit/include/objit/common/ob_item_type.h
@@ -2543,6 +2543,8 @@ typedef enum ObItemType
   // select into outfile
   T_BUFFER_SIZE,
   T_PARTITION_EXPR,
+  T_CACHE_INDEX,
+  T_LOAD_INDEX_INTO_CACHE,
   T_MAX //Attention: add a new type before T_MAX
 } ObItemType;
 
diff --git a/src/sql/executor/ob_cmd_executor.cpp b/src/sql/executor/ob_cmd_executor.cpp
index c315c6dfb6..b2423e238d 100644
--- a/src/sql/executor/ob_cmd_executor.cpp
+++ b/src/sql/executor/ob_cmd_executor.cpp
@@ -572,6 +572,8 @@ int ObCmdExecutor::execute(ObExecContext &ctx, ObICmd &cmd)
       }
       case stmt::T_REPAIR_TABLE:
       case stmt::T_CHECKSUM_TABLE:
+      case stmt::T_CACHE_INDEX:
+      case stmt::T_LOAD_INDEX_INTO_CACHE:
       case stmt::T_FLUSH_PRIVILEGES: {
         DEFINE_EXECUTE_CMD(ObMockStmt, ObMockExecutor);
         break;
diff --git a/src/sql/parser/sql_parser_mysql_mode.y b/src/sql/parser/sql_parser_mysql_mode.y
index 969d4f2de2..2ef9d16009 100644
--- a/src/sql/parser/sql_parser_mysql_mode.y
+++ b/src/sql/parser/sql_parser_mysql_mode.y
@@ -554,6 +554,7 @@ END_P SET_VAR DELIMITER
 %type <node> ttl_definition ttl_expr ttl_unit
 %type <node> id_dot_id id_dot_id_dot_id
 %type <node> opt_table_list opt_repair_mode opt_repair_option_list repair_option repair_option_list opt_checksum_option
+%type <node> cache_index_stmt load_index_into_cache_stmt tbl_index_list tbl_index tbl_partition_list opt_tbl_partition_list tbl_index_or_partition_list tbl_index_or_partition opt_ignore_leaves key_cache_name
 %start sql_stmt
 %%
 ////////////////////////////////////////////////////////////////
@@ -18665,6 +18666,111 @@ CHECKSUM TABLE opt_table_list opt_checksum_option
   (void)$4;
   malloc_terminal_node($$, result->malloc_pool_, T_CHECKSUM_TABLE);
 }
+| cache_index_stmt
+{
+  $$ = $1;
+  malloc_terminal_node($$, result->malloc_pool_, T_CACHE_INDEX);
+}
+| load_index_into_cache_stmt
+{
+  $$ = $1;
+  malloc_terminal_node($$, result->malloc_pool_, T_LOAD_INDEX_INTO_CACHE);
+}
+;
+
+load_index_into_cache_stmt:
+LOAD INDEX INTO CACHE tbl_index_or_partition_list opt_ignore_leaves
+{
+  malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 2, $5, $6);
+}
+;
+
+cache_index_stmt:
+CACHE INDEX tbl_index_list IN key_cache_name
+{
+  malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 2, $3, $5);
+}
+| CACHE INDEX normal_relation_factor PARTITION '(' tbl_partition_list ')' IN key_cache_name
+{
+  malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 3, $3, $6, $9);
+}
+;
+
+key_cache_name:
+normal_relation_factor
+{
+  $$ = $1;
+};
+
+tbl_index_list:
+tbl_index
+{
+  $$ = $1;
+}
+| tbl_index_list ',' tbl_index
+{
+  malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 2, $1, $3);
+}
+;
+
+tbl_index:
+normal_relation_factor opt_key_or_index opt_index_name
+{
+  malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 3, $1, $2, $3);
+}
+;
+
+tbl_partition_list:
+ALL
+{
+  malloc_terminal_node($$, result->malloc_pool_, T_INT);
+  $$->value_ = 1;
+}
+| name_list
+{
+  $$ = $1;
+}
+;
+
+opt_tbl_partition_list:
+PARTITION '(' tbl_partition_list ')'
+{
+  $$ = $3;
+}
+| /*empty*/
+{ $$ = NULL; }
+;
+
+tbl_index_or_partition_list:
+tbl_index_or_partition
+{
+  $$ = $1;
+}
+| tbl_index_or_partition_list ',' tbl_index_or_partition
+{
+  malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 2, $1, $3);
+}
+;
+
+opt_ignore_leaves:
+IGNORE LEAVES
+{
+  malloc_terminal_node($$, result->malloc_pool_, T_INT);
+  $$->value_ = 1;
+}
+| /*empty*/
+{ $$ = NULL; }
+;
+
+tbl_index_or_partition:
+normal_relation_factor opt_key_or_index '(' name_list ')'
+{
+  malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 3, $1, $2, $4);
+}
+| normal_relation_factor opt_tbl_partition_list
+{
+  malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 2, $1, $2);
+}
 ;
 
 opt_sql_throttle_for_priority:
diff --git a/src/sql/resolver/cmd/ob_mock_resolver.cpp b/src/sql/resolver/cmd/ob_mock_resolver.cpp
index 30c66e3693..86c0dee58e 100644
--- a/src/sql/resolver/cmd/ob_mock_resolver.cpp
+++ b/src/sql/resolver/cmd/ob_mock_resolver.cpp
@@ -37,6 +37,12 @@ int ObMockResolver::resolve(const ParseNode& parse_tree)
       case T_CHECKSUM_TABLE:
         mock_stmt->set_stmt_type(stmt::T_CHECKSUM_TABLE);
         break;
+      case T_CACHE_INDEX:
+        mock_stmt->set_stmt_type(stmt::T_CACHE_INDEX);
+        break;
+      case T_LOAD_INDEX_INTO_CACHE:
+        mock_stmt->set_stmt_type(stmt::T_LOAD_INDEX_INTO_CACHE);
+        break;
       default:
         ret = OB_ERR_UNEXPECTED;
         LOG_WARN("unexpected parse tree type", K(ret), K(parse_tree.type_));
diff --git a/src/sql/resolver/ob_resolver.cpp b/src/sql/resolver/ob_resolver.cpp
index ad9e96d2fc..1cad9426b8 100644
--- a/src/sql/resolver/ob_resolver.cpp
+++ b/src/sql/resolver/ob_resolver.cpp
@@ -1221,6 +1221,14 @@ int ObResolver::resolve(IsPrepared if_prepared, const ParseNode &parse_tree, ObS
         REGISTER_STMT_RESOLVER(Mock);
         break;
       }
+      case T_CACHE_INDEX: {
+        REGISTER_STMT_RESOLVER(Mock);
+        break;
+      }
+      case T_LOAD_INDEX_INTO_CACHE: {
+        REGISTER_STMT_RESOLVER(Mock);
+        break;
+      }
       default: {
         ret = OB_NOT_SUPPORTED;
         const char *type_name = get_type_name(parse_tree.type_);
diff --git a/src/sql/resolver/ob_resolver_utils.cpp b/src/sql/resolver/ob_resolver_utils.cpp
index bf5ab777bb..03085e54b3 100644
--- a/src/sql/resolver/ob_resolver_utils.cpp
+++ b/src/sql/resolver/ob_resolver_utils.cpp
@@ -2332,6 +2332,8 @@ stmt::StmtType ObResolverUtils::get_stmt_type_by_item_type(const ObItemType item
       SET_STMT_TYPE(T_SHOW_OPEN_TABLES);
       SET_STMT_TYPE(T_REPAIR_TABLE);
       SET_STMT_TYPE(T_CHECKSUM_TABLE);
+      SET_STMT_TYPE(T_CACHE_INDEX);
+      SET_STMT_TYPE(T_LOAD_INDEX_INTO_CACHE);
 #undef SET_STMT_TYPE
       case T_ROLLBACK:
       case T_COMMIT: {
diff --git a/src/sql/resolver/ob_stmt_type.h b/src/sql/resolver/ob_stmt_type.h
index 1607adcb69..f9ddaaeaa9 100644
--- a/src/sql/resolver/ob_stmt_type.h
+++ b/src/sql/resolver/ob_stmt_type.h
@@ -355,6 +355,8 @@ OB_STMT_TYPE_DEF_UNKNOWN_AT(T_HBASE_CHECK_AND_PUT, err_stmt_type_priv, 354)
 OB_STMT_TYPE_DEF_UNKNOWN_AT(T_HBASE_CHECK_AND_DELETE, err_stmt_type_priv, 355)
 OB_STMT_TYPE_DEF_UNKNOWN_AT(T_HBASE_HYBRID_BATCH, err_stmt_type_priv, 356)
 OB_STMT_TYPE_DEF_UNKNOWN_AT(T_HBASE_OTHER, err_stmt_type_priv, 357)
+OB_STMT_TYPE_DEF_UNKNOWN_AT(T_CACHE_INDEX, no_priv_needed, 358)
+OB_STMT_TYPE_DEF_UNKNOWN_AT(T_LOAD_INDEX_INTO_CACHE, no_priv_needed, 359)
 
 OB_STMT_TYPE_DEF_UNKNOWN_AT(T_MAX, err_stmt_type_priv, 500)
 #endif