diff --git a/deps/oblib/src/lib/ob_define.h b/deps/oblib/src/lib/ob_define.h
index cc23495f51..bb6658590d 100644
--- a/deps/oblib/src/lib/ob_define.h
+++ b/deps/oblib/src/lib/ob_define.h
@@ -1725,6 +1725,7 @@ const int64_t OB_OLD_MAX_VARCHAR_LENGTH = 64 * 1024; // for compatible purpose
 // For compatibility we set max default value as 256K bytes/64K chars.
 // Otherwise inner core tables schema would changes that hard to upgrade.
 const int64_t OB_MAX_DEFAULT_VALUE_LENGTH = 256 * 1024L;
+const int64_t OB_MAX_INDEX_PARAMS_LENGTH = 256;
 const int64_t OB_MAX_BINARY_LENGTH = 255;
 const int64_t OB_MAX_VARBINARY_LENGTH = 64 * 1024L;
 const int64_t OB_MAX_EXTENDED_TYPE_INFO_LENGTH = OB_MAX_VARBINARY_LENGTH;//TODO(yts): large object
diff --git a/deps/oblib/src/rpc/obrpc/ob_rpc_packet_list.h b/deps/oblib/src/rpc/obrpc/ob_rpc_packet_list.h
index 05e736cf1a..b815aee874 100644
--- a/deps/oblib/src/rpc/obrpc/ob_rpc_packet_list.h
+++ b/deps/oblib/src/rpc/obrpc/ob_rpc_packet_list.h
@@ -326,6 +326,7 @@ PCODE_DEF(OB_CREATE_DIRECTORY, 0x381)
 PCODE_DEF(OB_DROP_DIRECTORY, 0x382)
 PCODE_DEF(OB_UPDATE_MAX_USED_TENANT_ID, 0x383)
 PCODE_DEF(OB_REFRESH_SCHEMA, 0x384)
+PCODE_DEF(OB_REBUILD_VEC_INDEX, 0x385)
 // ob server
 //PCODE_DEF(OB_MIGRATE_OVER, 0x402)
 //PCODE_DEF(OB_CLEAR_REBUILD_ROOT_PARTITION, 0x403): not supported on 4.0
diff --git a/src/observer/ob_srv_xlator_rootserver.cpp b/src/observer/ob_srv_xlator_rootserver.cpp
index 027e9efef6..8a1fe117e9 100644
--- a/src/observer/ob_srv_xlator_rootserver.cpp
+++ b/src/observer/ob_srv_xlator_rootserver.cpp
@@ -165,6 +165,7 @@ void oceanbase::observer::init_srv_xlator_for_rootserver(ObSrvRpcXlator *xlator)
     RPC_PROCESSOR(rootserver::ObRpcTryAddDepInfosForSynonymBatchP, *gctx_.root_service_);
     RPC_PROCESSOR(rootserver::ObRpcMViewCompleteRefreshP, *gctx_.root_service_);
     RPC_PROCESSOR(rootserver::ObRpcUpdateMViewTableStatusP, *gctx_.root_service_);
+    RPC_PROCESSOR(rootserver::ObRpcRebuildVecIndexP, *gctx_.root_service_);
     //ob_admin
     RPC_PROCESSOR(rootserver::ObForceCreateSysTableP, *gctx_.root_service_);
     RPC_PROCESSOR(rootserver::ObForceSetLocalityP, *gctx_.root_service_);
diff --git a/src/rootserver/ob_root_service.cpp b/src/rootserver/ob_root_service.cpp
index 6c0aeb0cae..78ef4739a0 100755
--- a/src/rootserver/ob_root_service.cpp
+++ b/src/rootserver/ob_root_service.cpp
@@ -4996,6 +4996,14 @@ int ObRootService::drop_index(const obrpc::ObDropIndexArg &arg, obrpc::ObDropInd
   return ret;
 }
 
+int ObRootService::rebuild_vec_index(const obrpc::ObRebuildIndexArg &arg, obrpc::ObAlterTableRes &res)
+{
+  int ret = OB_NOT_SUPPORTED;
+  UNUSED(arg);
+  UNUSED(res);
+  return ret;
+}
+
 int ObRootService::rebuild_index(const obrpc::ObRebuildIndexArg &arg, obrpc::ObAlterTableRes &res)
 {
   int ret = OB_SUCCESS;
diff --git a/src/rootserver/ob_root_service.h b/src/rootserver/ob_root_service.h
index b15305f61a..5586f98517 100644
--- a/src/rootserver/ob_root_service.h
+++ b/src/rootserver/ob_root_service.h
@@ -529,6 +529,7 @@ public:
   int drop_index(const obrpc::ObDropIndexArg &arg, obrpc::ObDropIndexRes &res);
   int create_mlog(const obrpc::ObCreateMLogArg &arg, obrpc::ObCreateMLogRes &res);
   int rebuild_index(const obrpc::ObRebuildIndexArg &arg, obrpc::ObAlterTableRes &res);
+  int rebuild_vec_index(const obrpc::ObRebuildIndexArg &arg, obrpc::ObAlterTableRes &res);
   int clone_tenant(const obrpc::ObCloneTenantArg &arg, obrpc::ObCloneTenantRes &res);
   //the interface only for switchover: execute skip check enable_ddl
   int flashback_index(const obrpc::ObFlashBackIndexArg &arg);
diff --git a/src/rootserver/ob_rs_rpc_processor.h b/src/rootserver/ob_rs_rpc_processor.h
index af9354b988..1ad5a48caa 100644
--- a/src/rootserver/ob_rs_rpc_processor.h
+++ b/src/rootserver/ob_rs_rpc_processor.h
@@ -346,6 +346,7 @@ DEFINE_DDL_RS_RPC_PROCESSOR(obrpc::OB_TRUNCATE_TABLE_V2, ObRpcTruncateTableV2P,
 DEFINE_DDL_RS_RPC_PROCESSOR(obrpc::OB_GENERATE_AUX_INDEX_SCHEMA, ObRpcGenerateAuxIndexSchemaP, generate_aux_index_schema(arg_, result_));
 DEFINE_DDL_RS_RPC_PROCESSOR(obrpc::OB_CREATE_INDEX, ObRpcCreateIndexP, create_index(arg_, result_));
 DEFINE_DDL_RS_RPC_PROCESSOR(obrpc::OB_DROP_INDEX, ObRpcDropIndexP, drop_index(arg_, result_));
+DEFINE_DDL_RS_RPC_PROCESSOR(obrpc::OB_REBUILD_VEC_INDEX, ObRpcRebuildVecIndexP, rebuild_vec_index(arg_, result_));
 DEFINE_DDL_RS_RPC_PROCESSOR(obrpc::OB_CREATE_MLOG, ObRpcCreateMLogP, create_mlog(arg_, result_));
 DEFINE_DDL_RS_RPC_PROCESSOR(obrpc::OB_CREATE_TABLE_LIKE, ObRpcCreateTableLikeP, create_table_like(arg_));
 DEFINE_DDL_RS_RPC_PROCESSOR(obrpc::OB_CREATE_USER, ObRpcCreateUserP, create_user(arg_, result_));
diff --git a/src/share/inner_table/ob_inner_table_schema.101_150.cpp b/src/share/inner_table/ob_inner_table_schema.101_150.cpp
index 48b0b955a5..a83d3dfb29 100644
--- a/src/share/inner_table/ob_inner_table_schema.101_150.cpp
+++ b/src/share/inner_table/ob_inner_table_schema.101_150.cpp
@@ -6935,6 +6935,25 @@ int ObInnerTableSchema::all_table_history_schema(ObTableSchema &table_schema)
       true, //is_nullable
       false); //is_autoincrement
   }
+
+  if (OB_SUCC(ret)) {
+    ObObj index_params_default;
+    index_params_default.set_varchar(ObString::make_string(""));
+    ADD_COLUMN_SCHEMA_T("index_params", //column_name
+      ++column_id, //column_id
+      0, //rowkey_id
+      0, //index_id
+      0, //part_key_pos
+      ObVarcharType, //column_type
+      CS_TYPE_INVALID, //column_collation_type
+      OB_MAX_INDEX_PARAMS_LENGTH, //column_length
+      -1, //column_precision
+      -1, //column_scale
+      true, //is_nullable
+      false, //is_autoincrement
+      index_params_default,
+      index_params_default); //default_value
+  }
   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);
diff --git a/src/share/inner_table/ob_inner_table_schema.11001_11050.cpp b/src/share/inner_table/ob_inner_table_schema.11001_11050.cpp
index d367f92c8d..2e42b4613d 100644
--- a/src/share/inner_table/ob_inner_table_schema.11001_11050.cpp
+++ b/src/share/inner_table/ob_inner_table_schema.11001_11050.cpp
@@ -14570,6 +14570,25 @@ int ObInnerTableSchema::all_virtual_core_all_table_schema(ObTableSchema &table_s
       true, //is_nullable
       false); //is_autoincrement
   }
+
+  if (OB_SUCC(ret)) {
+    ObObj index_params_default;
+    index_params_default.set_varchar(ObString::make_string(""));
+    ADD_COLUMN_SCHEMA_T("index_params", //column_name
+      ++column_id, //column_id
+      0, //rowkey_id
+      0, //index_id
+      0, //part_key_pos
+      ObVarcharType, //column_type
+      CS_TYPE_INVALID, //column_collation_type
+      OB_MAX_INDEX_PARAMS_LENGTH, //column_length
+      -1, //column_precision
+      -1, //column_scale
+      false, //is_nullable
+      false, //is_autoincrement
+      index_params_default,
+      index_params_default); //default_value
+  }
   table_schema.set_index_using_type(USING_HASH);
   table_schema.set_row_store_type(ENCODING_ROW_STORE);
   table_schema.set_store_format(OB_STORE_FORMAT_DYNAMIC_MYSQL);
diff --git a/src/share/inner_table/ob_inner_table_schema.12051_12100.cpp b/src/share/inner_table/ob_inner_table_schema.12051_12100.cpp
index 436d81426c..c0defe55be 100644
--- a/src/share/inner_table/ob_inner_table_schema.12051_12100.cpp
+++ b/src/share/inner_table/ob_inner_table_schema.12051_12100.cpp
@@ -6845,6 +6845,25 @@ int ObInnerTableSchema::all_virtual_table_schema(ObTableSchema &table_schema)
       true, //is_nullable
       false); //is_autoincrement
   }
+
+  if (OB_SUCC(ret)) {
+    ObObj index_params_default;
+    index_params_default.set_varchar(ObString::make_string(""));
+    ADD_COLUMN_SCHEMA_T("index_params", //column_name
+      ++column_id, //column_id
+      0, //rowkey_id
+      0, //index_id
+      0, //part_key_pos
+      ObVarcharType, //column_type
+      CS_TYPE_INVALID, //column_collation_type
+      OB_MAX_INDEX_PARAMS_LENGTH, //column_length
+      -1, //column_precision
+      -1, //column_scale
+      false, //is_nullable
+      false, //is_autoincrement
+      index_params_default,
+      index_params_default); //default_value
+  }
   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);
@@ -8375,6 +8394,25 @@ int ObInnerTableSchema::all_virtual_table_history_schema(ObTableSchema &table_sc
       true, //is_nullable
       false); //is_autoincrement
   }
+
+  if (OB_SUCC(ret)) {
+    ObObj index_params_default;
+    index_params_default.set_varchar(ObString::make_string(""));
+    ADD_COLUMN_SCHEMA_T("index_params", //column_name
+      ++column_id, //column_id
+      0, //rowkey_id
+      0, //index_id
+      0, //part_key_pos
+      ObVarcharType, //column_type
+      CS_TYPE_INVALID, //column_collation_type
+      OB_MAX_INDEX_PARAMS_LENGTH, //column_length
+      -1, //column_precision
+      -1, //column_scale
+      true, //is_nullable
+      false, //is_autoincrement
+      index_params_default,
+      index_params_default); //default_value
+  }
   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);
diff --git a/src/share/inner_table/ob_inner_table_schema.15101_15150.cpp b/src/share/inner_table/ob_inner_table_schema.15101_15150.cpp
index 49fe12e76b..1035fe35b6 100644
--- a/src/share/inner_table/ob_inner_table_schema.15101_15150.cpp
+++ b/src/share/inner_table/ob_inner_table_schema.15101_15150.cpp
@@ -6721,6 +6721,21 @@ int ObInnerTableSchema::all_virtual_table_real_agent_ora_schema(ObTableSchema &t
       false); //is_autoincrement
   }
 
+  if (OB_SUCC(ret)) {
+    ADD_COLUMN_SCHEMA("INDEX_PARAMS", //column_name
+      ++column_id, //column_id
+      0, //rowkey_id
+      0, //index_id
+      0, //part_key_pos
+      ObVarcharType, //column_type
+      CS_TYPE_UTF8MB4_BIN, //column_collation_type
+      OB_MAX_INDEX_PARAMS_LENGTH, //column_length
+      2, //column_precision
+      -1, //column_scale
+      true, //is_nullable
+      false); //is_autoincrement
+  }
+
   if (OB_SUCC(ret)) {
     ADD_COLUMN_SCHEMA("GMT_CREATE", //column_name
       ++column_id, //column_id
diff --git a/src/share/inner_table/ob_inner_table_schema.15201_15250.cpp b/src/share/inner_table/ob_inner_table_schema.15201_15250.cpp
index f7a6609995..d8e97822fc 100644
--- a/src/share/inner_table/ob_inner_table_schema.15201_15250.cpp
+++ b/src/share/inner_table/ob_inner_table_schema.15201_15250.cpp
@@ -6526,6 +6526,21 @@ int ObInnerTableSchema::all_virtual_core_all_table_ora_schema(ObTableSchema &tab
       true, //is_nullable
       false); //is_autoincrement
   }
+
+  if (OB_SUCC(ret)) {
+    ADD_COLUMN_SCHEMA("INDEX_PARAMS", //column_name
+      ++column_id, //column_id
+      0, //rowkey_id
+      0, //index_id
+      0, //part_key_pos
+      ObVarcharType, //column_type
+      CS_TYPE_UTF8MB4_BIN, //column_collation_type
+      OB_MAX_INDEX_PARAMS_LENGTH, //column_length
+      2, //column_precision
+      -1, //column_scale
+      true, //is_nullable
+      false); //is_autoincrement
+  }
   table_schema.set_index_using_type(USING_HASH);
   table_schema.set_row_store_type(ENCODING_ROW_STORE);
   table_schema.set_store_format(OB_STORE_FORMAT_DYNAMIC_MYSQL);
diff --git a/src/share/inner_table/ob_inner_table_schema.1_50.cpp b/src/share/inner_table/ob_inner_table_schema.1_50.cpp
index 2a007eb9c5..a2c6db2c22 100644
--- a/src/share/inner_table/ob_inner_table_schema.1_50.cpp
+++ b/src/share/inner_table/ob_inner_table_schema.1_50.cpp
@@ -1693,6 +1693,25 @@ int ObInnerTableSchema::all_table_schema(ObTableSchema &table_schema)
       true, //is_nullable
       false); //is_autoincrement
   }
+
+  if (OB_SUCC(ret)) {
+    ObObj index_params_default;
+    index_params_default.set_varchar(ObString::make_string(""));
+    ADD_COLUMN_SCHEMA_T("index_params", //column_name
+      ++column_id, //column_id
+      0, //rowkey_id
+      0, //index_id
+      0, //part_key_pos
+      ObVarcharType, //column_type
+      CS_TYPE_INVALID, //column_collation_type
+      OB_MAX_INDEX_PARAMS_LENGTH, //column_length
+      -1, //column_precision
+      -1, //column_scale
+      false, //is_nullable
+      false, //is_autoincrement
+      index_params_default,
+      index_params_default); //default_value
+  }
   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);
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 e87cd61498..3dd7085c53 100644
--- a/src/share/inner_table/ob_inner_table_schema_def.py
+++ b/src/share/inner_table/ob_inner_table_schema_def.py
@@ -315,7 +315,8 @@ all_table_def = dict(
       ('auto_increment_cache_size', 'int', 'false', '0'),
       ('local_session_vars', 'longtext', 'true'),
       ('duplicate_read_consistency', 'int', 'false', '0'),
-      ('external_properties', 'varbinary:OB_MAX_VARCHAR_LENGTH', 'true')
+      ('external_properties', 'varbinary:OB_MAX_VARCHAR_LENGTH', 'true'),
+      ('index_params', 'varchar:OB_MAX_INDEX_PARAMS_LENGTH', 'false', '')
     ],
 )
 
diff --git a/src/share/ob_common_rpc_proxy.h b/src/share/ob_common_rpc_proxy.h
index 3891de0367..a5c598a0b3 100644
--- a/src/share/ob_common_rpc_proxy.h
+++ b/src/share/ob_common_rpc_proxy.h
@@ -79,6 +79,7 @@ public:
   RPC_S(PRD generate_aux_index_schema, obrpc::OB_GENERATE_AUX_INDEX_SCHEMA, (obrpc::ObGenerateAuxIndexSchemaArg), obrpc::ObGenerateAuxIndexSchemaRes);
   RPC_S(PRD create_index, obrpc::OB_CREATE_INDEX, (ObCreateIndexArg), ObAlterTableRes);
   RPC_S(PRD drop_index, obrpc::OB_DROP_INDEX, (ObDropIndexArg), ObDropIndexRes);
+  RPC_S(PRD rebuild_vec_index, obrpc::OB_REBUILD_VEC_INDEX, (ObRebuildIndexArg), ObAlterTableRes);
   RPC_S(PRD create_mlog, obrpc::OB_CREATE_MLOG, (ObCreateMLogArg), ObCreateMLogRes);
   RPC_S(PRD flashback_index, obrpc::OB_FLASHBACK_INDEX, (ObFlashBackIndexArg));
   RPC_S(PRD purge_index, obrpc::OB_PURGE_INDEX, (ObPurgeIndexArg));
diff --git a/src/share/ob_ddl_common.h b/src/share/ob_ddl_common.h
index 74a0771b40..d5c01315cd 100644
--- a/src/share/ob_ddl_common.h
+++ b/src/share/ob_ddl_common.h
@@ -69,6 +69,7 @@ enum ObDDLType
   DDL_DROP_VEC_INDEX = 14,
   DDL_CREATE_VEC_INDEX = 15,
   DDL_CREATE_MULTIVALUE_INDEX = 16,
+  DDL_REBUILD_INDEX = 17,
 
   ///< @note tablet split.
   DDL_AUTO_SPLIT_BY_RANGE = 100,
@@ -178,6 +179,8 @@ enum ObDDLTaskStatus {
   WAIT_VEC_AUX_TABLE_COMPLEMENT = 32,
   GENERATE_VID_ROWKEY_SCHEMA = 33,
   WAIT_VID_ROWKEY_TABLE_COMPLEMENT = 34,
+  REBUILD_SCHEMA = 35,
+  SWITCH_INDEX_NAME = 36,
   FAIL = 99,
   SUCCESS = 100
 };
@@ -315,6 +318,12 @@ static const char* ddl_task_status_to_str(const ObDDLTaskStatus &task_status) {
     case ObDDLTaskStatus::WAIT_VID_ROWKEY_TABLE_COMPLEMENT:
       str = "WAIT_VID_ROWKEY_TABLE_COMPLEMENT";
       break;
+    case ObDDLTaskStatus::REBUILD_SCHEMA:
+      str = "REBUILD_SCHEMA";
+      break;
+    case ObDDLTaskStatus::SWITCH_INDEX_NAME:
+      str = "SWITCH_INDEX_NAME";
+      break;
     case ObDDLTaskStatus::FAIL:
       str = "FAIL";
       break;
diff --git a/src/share/ob_ddl_sim_point_define.h b/src/share/ob_ddl_sim_point_define.h
index 423b25d977..3c64d1dcdf 100644
--- a/src/share/ob_ddl_sim_point_define.h
+++ b/src/share/ob_ddl_sim_point_define.h
@@ -158,4 +158,5 @@ DDL_SIM_POINT_DEFINE(SIM_TYPE_DDL, DDL_REDO_WRITER_WRITE_COMMIT_LOG_FAILED, 128,
 DDL_SIM_POINT_DEFINE(SIM_TYPE_DDL, DDL_INSERT_SSTABLE_GET_NEXT_ROW_FAILED, 129, "ddl insert sstable get next row failed", RET_ERR(OB_REPLICA_NOT_READABLE, OB_ERR_INSUFFICIENT_PX_WORKER, OB_TABLE_NOT_EXIST))
 DDL_SIM_POINT_DEFINE(SIM_TYPE_DDL, COMPLEMENT_DATA_TASK_SPLIT_RANGE_FAILED, 130, "complement data task split range failed", RET_ERR(OB_EAGAIN))
 DDL_SIM_POINT_DEFINE(SIM_TYPE_DDL, COMPLEMENT_DATA_TASK_LOCAL_SCAN_FAILED, 131, "complement data task local scan failed", RET_ERR(OB_EAGAIN))
+DDL_SIM_POINT_DEFINE(SIM_TYPE_DDL, DDL_TASK_SWITCH_INDEX_NAME_FAILED, 132, "ddl task switch index name failed", N_RET_ERR(5, OB_EAGAIN))
 #endif
diff --git a/src/share/ob_rpc_struct.cpp b/src/share/ob_rpc_struct.cpp
index 781d65263b..63ec7248ee 100644
--- a/src/share/ob_rpc_struct.cpp
+++ b/src/share/ob_rpc_struct.cpp
@@ -3267,7 +3267,8 @@ DEF_TO_STRING(ObCreateIndexArg)
        K_(inner_sql_exec_addr),
        K_(local_session_var),
        K_(exist_all_column_group),
-       K_(index_cgs));
+       K_(index_cgs),
+       K_(is_rebuild_index));
   J_OBJ_END();
   return pos;
 }
@@ -3293,7 +3294,9 @@ OB_SERIALIZE_MEMBER((ObCreateIndexArg, ObIndexArg),
                     inner_sql_exec_addr_,
                     local_session_var_,
                     exist_all_column_group_,
-                    index_cgs_);
+                    index_cgs_,
+                    vidx_refresh_info_,
+                    is_rebuild_index_);
 
 int ObGenerateAuxIndexSchemaArg::assign(const ObGenerateAuxIndexSchemaArg &other)
 {
@@ -3348,7 +3351,8 @@ DEF_TO_STRING(ObDropIndexArg) {
        K_(is_add_to_scheduler),
        K_(is_in_recyclebin),
        K_(is_hidden),
-       K_(is_inner));
+       K_(is_inner),
+       K_(is_rebuild_drop));
   J_OBJ_END();
   return pos;
 }
@@ -3362,7 +3366,8 @@ OB_SERIALIZE_MEMBER((ObDropIndexArg, ObIndexArg),
                     is_add_to_scheduler_,
                     is_in_recyclebin_,
                     is_hidden_,
-                    is_inner_);
+                    is_inner_,
+                    is_rebuild_drop_);
 
 OB_SERIALIZE_MEMBER(ObDropIndexRes, tenant_id_, index_table_id_, schema_version_, task_id_);
 
diff --git a/src/share/ob_rpc_struct.h b/src/share/ob_rpc_struct.h
index 6f7a2370fb..bc605efaea 100644
--- a/src/share/ob_rpc_struct.h
+++ b/src/share/ob_rpc_struct.h
@@ -1389,6 +1389,7 @@ public:
     is_hidden_ = false;
     is_in_recyclebin_ = false;
     is_inner_ = false;
+    is_rebuild_drop_ = false;
   }
   virtual ~ObDropIndexArg() {}
   void reset()
@@ -1399,6 +1400,7 @@ public:
     is_hidden_ = false;
     is_in_recyclebin_ = false;
     is_inner_ = false;
+    is_rebuild_drop_ = false;
   }
   bool is_valid() const { return ObIndexArg::is_valid(); }
   uint64_t index_table_id_;
@@ -1406,6 +1408,7 @@ public:
   bool is_hidden_;
   bool is_in_recyclebin_;
   bool is_inner_;
+  bool is_rebuild_drop_;
 
   DECLARE_VIRTUAL_TO_STRING;
 };
@@ -2629,7 +2632,9 @@ public:
         allocator_(),
         local_session_var_(&allocator_),
         exist_all_column_group_(false),
-        index_cgs_()
+        index_cgs_(),
+        vidx_refresh_info_(),
+        is_rebuild_index_(false)
   {
     index_action_type_ = ADD_INDEX;
     index_using_type_ = share::schema::USING_BTREE;
@@ -2661,6 +2666,8 @@ public:
     allocator_.reset();
     exist_all_column_group_ = false;
     index_cgs_.reset();
+    vidx_refresh_info_.reset();
+    is_rebuild_index_ = false;
   }
   void set_index_action_type(const IndexActionType type) { index_action_type_  = type; }
   bool is_valid() const;
@@ -2698,6 +2705,8 @@ public:
       inner_sql_exec_addr_ = other.inner_sql_exec_addr_;
       consumer_group_id_ = other.consumer_group_id_;
       exist_all_column_group_ = other.exist_all_column_group_;
+      vidx_refresh_info_ = other.vidx_refresh_info_;
+      is_rebuild_index_ = other.is_rebuild_index_;
     }
     return ret;
   }
@@ -2765,6 +2774,8 @@ public:
   ObLocalSessionVar local_session_var_;
   bool exist_all_column_group_;
   common::ObSEArray<ObIndexColumnGroupItem, 1/*each*/> index_cgs_;
+  share::schema::ObVectorIndexRefreshInfo vidx_refresh_info_;
+  bool is_rebuild_index_;
 };
 
 struct ObGenerateAuxIndexSchemaArg : public ObDDLArg
diff --git a/src/share/schema/ob_schema_struct.cpp b/src/share/schema/ob_schema_struct.cpp
index 58ccc28aa3..f74da18a69 100644
--- a/src/share/schema/ob_schema_struct.cpp
+++ b/src/share/schema/ob_schema_struct.cpp
@@ -8025,6 +8025,9 @@ int ObPartitionUtils::check_interval_partition_table(
   return ret;
 }
 
+OB_SERIALIZE_MEMBER(ObVectorIndexRefreshInfo,
+                    exec_env_);
+
 OB_SERIALIZE_MEMBER(ObMVRefreshInfo,
     refresh_method_,
     refresh_mode_,
diff --git a/src/share/schema/ob_schema_struct.h b/src/share/schema/ob_schema_struct.h
index 84a1dfd7fc..d9cc7b028a 100755
--- a/src/share/schema/ob_schema_struct.h
+++ b/src/share/schema/ob_schema_struct.h
@@ -130,6 +130,8 @@ static const uint64_t OB_MIN_ID  = 0;//used for lower_bound
 #define MULTIVALUE_INDEX_GENERATED_COLUMN_FLAG (INT64_C(1) << 23) // for multivalue index
 #define MULTIVALUE_INDEX_GENERATED_ARRAY_COLUMN_FLAG (INT64_C(1) << 24) // for multivalue index
 #define GENERATED_FTS_WORD_SEGMENT_COLUMN_FLAG (INT64_C(1) << 25) // word segment column for full-text search flag
+#define GENERATED_VEC_VID_COLUMN_FLAG (INT64_C(1) << 26)
+#define GENERATED_VEC_VECTOR_COLUMN_FLAG (INT64_C(1) << 27)
 
 //the high 32-bit flag isn't stored in __all_column
 #define GENERATED_DEPS_CASCADE_FLAG (INT64_C(1) << 32)
@@ -141,6 +143,11 @@ static const uint64_t OB_MIN_ID  = 0;//used for lower_bound
 #define TABLE_PART_KEY_COLUMN_ORG_FLAG (INT64_C(1) << 37) //column is part key, or column is depened by part key(gc col)
 #define SPATIAL_INDEX_GENERATED_COLUMN_FLAG (INT64_C(1) << 38) // for spatial index
 #define GENERATED_FTS_DOC_LENGTH_COLUMN_FLAG (INT64_C(1) << 39) // doc length column for full-text search index
+/* vector index hidden column */
+#define GENERATED_VEC_TYPE_COLUMN_FLAG (INT64_C(1) << 40)
+#define GENERATED_VEC_SCN_COLUMN_FLAG (INT64_C(1) << 41)
+#define GENERATED_VEC_KEY_COLUMN_FLAG (INT64_C(1) << 42)
+#define GENERATED_VEC_DATA_COLUMN_FLAG (INT64_C(1) << 43)
 #define SPATIAL_COLUMN_SRID_MASK (0xffffffffffffffe0L)
 
 #define STORED_COLUMN_FLAGS_MASK 0xFFFFFFFF
@@ -3484,6 +3491,23 @@ enum class ObMVRefreshStatsCollectionLevel : int64_t
   MAX
 };
 
+struct ObVectorIndexRefreshInfo
+{
+  OB_UNIS_VERSION(1);
+public:
+  ObString exec_env_;
+  // TODO:(@wangmiao) more infos for complete refresh (aka. rebuild)
+  ObVectorIndexRefreshInfo():
+  exec_env_() {}
+  void reset() {
+    exec_env_.reset();
+  }
+  bool operator == (const ObVectorIndexRefreshInfo &other) const {
+    return exec_env_ == other.exec_env_;
+  }
+  TO_STRING_KV(K_(exec_env));
+};
+
 struct ObMVRefreshInfo
 {
   OB_UNIS_VERSION(1);
diff --git a/src/share/schema/ob_table_schema.cpp b/src/share/schema/ob_table_schema.cpp
index cea62ad394..9c864bf911 100644
--- a/src/share/schema/ob_table_schema.cpp
+++ b/src/share/schema/ob_table_schema.cpp
@@ -1475,7 +1475,8 @@ ObTableSchema::ObTableSchema(ObIAllocator *allocator)
     rls_context_ids_(SCHEMA_SMALL_MALLOC_BLOCK_SIZE, ModulePageAllocator(*allocator)),
     name_generated_type_(GENERATED_TYPE_UNKNOWN),
     lob_inrow_threshold_(OB_DEFAULT_LOB_INROW_THRESHOLD),
-    local_session_vars_(allocator)
+    local_session_vars_(allocator),
+    index_params_()
 {
   reset();
 }
@@ -1720,6 +1721,10 @@ int ObTableSchema::assign(const ObTableSchema &src_schema)
     LOG_WARN("deep copy kv attributes failed", K(ret));
   }
 
+  if (OB_SUCC(ret) && OB_FAIL(deep_copy_str(src_schema.index_params_, index_params_))) {
+    LOG_WARN("deep copy vector index param failed", K(ret));
+  }
+
   if (OB_FAIL(ret)) {
     LOG_WARN("failed to assign table schema", K(ret));
   }
@@ -3393,6 +3398,7 @@ int64_t ObTableSchema::get_convert_size() const
   convert_size += external_file_pattern_.length() + 1;
   convert_size += ttl_definition_.length() + 1;
   convert_size += kv_attributes_.length() + 1;
+  convert_size += index_params_.length() + 1;
 
   convert_size += get_hash_array_mem_size<CgIdHashArray>(column_group_cnt_);
   convert_size += get_hash_array_mem_size<CgNameHashArray>(column_group_cnt_);
@@ -3486,6 +3492,7 @@ void ObTableSchema::reset()
   external_properties_.reset();
   ttl_definition_.reset();
   kv_attributes_.reset();
+  index_params_.reset();
   name_generated_type_ = GENERATED_TYPE_UNKNOWN;
   lob_inrow_threshold_ = OB_DEFAULT_LOB_INROW_THRESHOLD;
   auto_increment_cache_size_ = 0;
@@ -6553,7 +6560,8 @@ int64_t ObTableSchema::to_string(char *buf, const int64_t buf_len) const
     "column_group_array", ObArrayWrap<ObColumnGroupSchema* >(column_group_arr_, column_group_cnt_),
     K_(mlog_tid),
     K_(auto_increment_cache_size),
-    K_(local_session_vars));
+    K_(local_session_vars),
+    K_(index_params));
   J_OBJ_END();
 
   return pos;
@@ -6840,6 +6848,9 @@ OB_DEF_SERIALIZE(ObTableSchema)
     LST_DO_CODE(OB_UNIS_ENCODE,
                 external_properties_);
   }
+  if (OB_SUCC(ret)) {
+    OB_UNIS_ENCODE(index_params_);
+  }
   return ret;
 }
 
@@ -7000,6 +7011,7 @@ OB_DEF_DESERIALIZE(ObTableSchema)
   ObString expire_info;
   ObString ttl_definition;
   ObString kv_attributes;
+  ObString index_params;
 
   LST_DO_CODE(OB_UNIS_DECODE,
               tenant_id_,
@@ -7275,6 +7287,13 @@ OB_DEF_DESERIALIZE(ObTableSchema)
     LST_DO_CODE(OB_UNIS_DECODE,
                 external_properties_);
   }
+
+  if (OB_SUCC(ret)) {
+    OB_UNIS_DECODE(index_params);
+    if (OB_SUCC(ret) && OB_FAIL(deep_copy_str(index_params, index_params_))) {
+      LOG_WARN("deep_copy_str failed", K(ret), K(index_params));
+    }
+  }
   return ret;
 }
 
@@ -7428,6 +7447,7 @@ OB_DEF_SERIALIZE_SIZE(ObTableSchema)
   OB_UNIS_ADD_LEN(local_session_vars_);
   OB_UNIS_ADD_LEN(duplicate_read_consistency_);
   OB_UNIS_ADD_LEN(external_properties_);
+  OB_UNIS_ADD_LEN(index_params_);
   return len;
 }
 
diff --git a/src/share/schema/ob_table_schema.h b/src/share/schema/ob_table_schema.h
index 230f7063d1..8f908adede 100644
--- a/src/share/schema/ob_table_schema.h
+++ b/src/share/schema/ob_table_schema.h
@@ -1287,6 +1287,7 @@ public:
   void clear_constraint();
   int set_ttl_definition(const common::ObString &ttl_definition) { return deep_copy_str(ttl_definition, ttl_definition_); }
   int set_kv_attributes(const common::ObString &kv_attributes) { return deep_copy_str(kv_attributes, kv_attributes_); }
+  int set_index_params(const common::ObString &index_params) { return deep_copy_str(index_params, index_params_); }
   void set_lob_inrow_threshold(const int64_t lob_inrow_threshold) { lob_inrow_threshold_ = lob_inrow_threshold;}
   inline void set_auto_increment_cache_size(const int64_t auto_increment_cache_size)
   { auto_increment_cache_size_ = auto_increment_cache_size; }
@@ -1379,6 +1380,7 @@ public:
   inline const ObViewSchema &get_view_schema() const { return view_schema_; }
   inline const common::ObString &get_ttl_definition() const { return ttl_definition_; }
   inline const common::ObString &get_kv_attributes() const { return kv_attributes_; }
+  inline const common::ObString &get_index_params() const { return index_params_; }
   inline int64_t get_lob_inrow_threshold() const { return lob_inrow_threshold_; }
   inline int64_t get_auto_increment_cache_size() const { return auto_increment_cache_size_; }
   bool has_check_constraint() const;
@@ -1999,6 +2001,8 @@ protected:
   CgNameHashArray *cg_name_hash_arr_;
   uint64_t mlog_tid_;
   ObLocalSessionVar local_session_vars_;
+  // vector index
+  common::ObString index_params_;
 };
 
 class ObPrintableTableSchema final : public ObTableSchema
diff --git a/src/sql/resolver/ddl/ob_ddl_resolver.cpp b/src/sql/resolver/ddl/ob_ddl_resolver.cpp
index c74473a94b..366b7514fe 100644
--- a/src/sql/resolver/ddl/ob_ddl_resolver.cpp
+++ b/src/sql/resolver/ddl/ob_ddl_resolver.cpp
@@ -120,7 +120,8 @@ ObDDLResolver::ObDDLResolver(ObResolverParams &params)
     lob_inrow_threshold_(OB_DEFAULT_LOB_INROW_THRESHOLD),
     auto_increment_cache_size_(0),
     external_table_format_type_(ObExternalFileFormat::INVALID_FORMAT),
-    mocked_external_table_column_ids_()
+    mocked_external_table_column_ids_(),
+    index_params_()
 {
   table_mode_.reset();
 }
diff --git a/src/sql/resolver/ddl/ob_ddl_resolver.h b/src/sql/resolver/ddl/ob_ddl_resolver.h
index 4998299c05..13861f8db6 100644
--- a/src/sql/resolver/ddl/ob_ddl_resolver.h
+++ b/src/sql/resolver/ddl/ob_ddl_resolver.h
@@ -1036,6 +1036,7 @@ protected:
   int64_t auto_increment_cache_size_;
   ObExternalFileFormat::FormatType external_table_format_type_;
   common::ObBitSet<> mocked_external_table_column_ids_;
+  common::ObString index_params_;
 private:
   template <typename STMT>
   DISALLOW_COPY_AND_ASSIGN(ObDDLResolver);
diff --git a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_mysql.result b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_mysql.result
index af8aade42d..286690729a 100644
--- a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_mysql.result
+++ b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_mysql.result
@@ -885,6 +885,7 @@ auto_increment_cache_size	bigint(20)	NO		0
 local_session_vars	longtext	YES		NULL	
 duplicate_read_consistency	bigint(20)	NO		0	
 external_properties	varbinary(1048576)	YES		NULL	
+index_params	varchar(256)	NO			
 select /*+QUERY_TIMEOUT(60000000)*/ IF(count(*) >= 0, 1, 0) from oceanbase.__all_virtual_core_all_table;
 IF(count(*) >= 0, 1, 0)
 1
@@ -1813,6 +1814,7 @@ auto_increment_cache_size	bigint(20)	NO		0
 local_session_vars	longtext	YES		NULL	
 duplicate_read_consistency	bigint(20)	NO		0	
 external_properties	varbinary(1048576)	YES		NULL	
+index_params	varchar(256)	NO			
 select /*+QUERY_TIMEOUT(60000000)*/ IF(count(*) >= 0, 1, 0) from oceanbase.__all_virtual_table;
 IF(count(*) >= 0, 1, 0)
 1
diff --git a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_sys.result b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_sys.result
index 5c1b07fce2..2ea818a9d0 100644
--- a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_sys.result
+++ b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_sys.result
@@ -958,6 +958,7 @@ auto_increment_cache_size	bigint(20)	NO		0
 local_session_vars	longtext	YES		NULL	
 duplicate_read_consistency	bigint(20)	NO		0	
 external_properties	varbinary(1048576)	YES		NULL	
+index_params	varchar(256)	NO			
 select /*+QUERY_TIMEOUT(60000000)*/ IF(count(*) >= 0, 1, 0) from oceanbase.__all_virtual_core_all_table;
 IF(count(*) >= 0, 1, 0)
 1
@@ -2705,6 +2706,7 @@ auto_increment_cache_size	bigint(20)	NO		0
 local_session_vars	longtext	YES		NULL	
 duplicate_read_consistency	bigint(20)	NO		0	
 external_properties	varbinary(1048576)	YES		NULL	
+index_params	varchar(256)	NO			
 select /*+QUERY_TIMEOUT(60000000)*/ IF(count(*) >= 0, 1, 0) from oceanbase.__all_virtual_table;
 IF(count(*) >= 0, 1, 0)
 1
@@ -2798,6 +2800,7 @@ auto_increment_cache_size	bigint(20)	YES		0
 local_session_vars	longtext	YES		NULL	
 duplicate_read_consistency	bigint(20)	YES		0	
 external_properties	varbinary(1048576)	YES		NULL	
+index_params	varchar(256)	YES			
 select /*+QUERY_TIMEOUT(60000000)*/ IF(count(*) >= 0, 1, 0) from oceanbase.__all_virtual_table_history;
 IF(count(*) >= 0, 1, 0)
 1