feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

backend/domain/memory/database/internal/convertor/database.go

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package convertor
+
+import (
+	"fmt"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/table"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/rdb/entity"
+)
+
+func ConvertResultSetToString(resultSet *entity.ResultSet, physicalToFieldName map[string]string, physicalToFieldType map[string]table.FieldItemType) []map[string]string {
+	records := make([]map[string]string, 0, len(resultSet.Rows))
+
+	for _, row := range resultSet.Rows {
+		record := make(map[string]string)
+
+		for physicalName, value := range row {
+			if logicalName, exists := physicalToFieldName[physicalName]; exists {
+				if value == nil {
+					record[logicalName] = ""
+				} else {
+					fieldType, hasType := physicalToFieldType[physicalName]
+					if hasType {
+						convertedValue := ConvertDBValueToString(value, fieldType)
+						record[logicalName] = convertedValue
+					} else {
+						record[logicalName] = fmt.Sprintf("%v", value)
+					}
+				}
+			} else {
+				if value == nil {
+					record[physicalName] = ""
+				} else {
+					record[physicalName] = ConvertSystemFieldToString(physicalName, value)
+				}
+			}
+		}
+		records = append(records, record)
+	}
+
+	return records
+}
+
+func ConvertResultSet(resultSet *entity.ResultSet, physicalToFieldName map[string]string, physicalToFieldType map[string]table.FieldItemType) []map[string]any {
+	records := make([]map[string]any, 0, len(resultSet.Rows))
+
+	for _, row := range resultSet.Rows {
+		record := make(map[string]any)
+
+		for physicalName, value := range row {
+			if logicalName, exists := physicalToFieldName[physicalName]; exists {
+				record[logicalName] = value
+			} else {
+				record[physicalName] = value
+			}
+		}
+		records = append(records, record)
+	}
+
+	return records
+}

backend/domain/memory/database/internal/convertor/types.go

@@ -0,0 +1,218 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package convertor
+
+import (
+	"fmt"
+	"strconv"
+	"time"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/database"
+	"github.com/coze-dev/coze-studio/backend/api/model/table"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/rdb/entity"
+)
+
+const (
+	TimeFormat = "2006-01-02 15:04:05"
+)
+
+func SwitchToDataType(itemType table.FieldItemType) entity.DataType {
+	switch itemType {
+	case table.FieldItemType_Text:
+		return entity.TypeVarchar
+	case table.FieldItemType_Number:
+		return entity.TypeBigInt
+	case table.FieldItemType_Date:
+		return entity.TypeTimestamp
+	case table.FieldItemType_Float:
+		return entity.TypeDouble
+	case table.FieldItemType_Boolean:
+		return entity.TypeBoolean
+	default:
+		// 默认使用 VARCHAR
+		return entity.TypeVarchar
+	}
+}
+
+// ConvertValueByType converts a string value to the specified type.
+func ConvertValueByType(value string, fieldType table.FieldItemType) (interface{}, error) {
+	if value == "" {
+		return nil, nil
+	}
+
+	switch fieldType {
+	case table.FieldItemType_Number:
+		intVal, err := strconv.ParseInt(value, 10, 64)
+		if err != nil {
+			return 0, fmt.Errorf("cannot convert %s to number", value)
+		}
+
+		return intVal, nil
+
+	case table.FieldItemType_Float:
+		if floatVal, err := strconv.ParseFloat(value, 64); err == nil {
+			return floatVal, nil
+		}
+
+		return 0.0, fmt.Errorf("cannot convert %s to float", value)
+
+	case table.FieldItemType_Boolean:
+		if boolVal, err := strconv.ParseBool(value); err == nil {
+			return boolVal, nil
+		}
+
+		// if err, try 0/1
+		if value == "0" {
+			return false, nil
+		}
+		if value == "1" {
+			return true, nil
+		}
+
+		return false, fmt.Errorf("cannot convert %s to boolean", value)
+
+	case table.FieldItemType_Date:
+		t, err := time.Parse(TimeFormat, value) // database use this format
+		if err != nil {
+			return "", fmt.Errorf("cannot convert %s to date", value)
+		}
+
+		return t, nil
+
+	case table.FieldItemType_Text:
+		return value, nil
+
+	default:
+		return value, nil
+	}
+}
+
+// ConvertDBValueToString converts a database value to a string.
+func ConvertDBValueToString(value interface{}, fieldType table.FieldItemType) string {
+	switch fieldType {
+	case table.FieldItemType_Text:
+		if byteArray, ok := value.([]uint8); ok {
+			return string(byteArray)
+		}
+
+	case table.FieldItemType_Number:
+		switch v := value.(type) {
+		case int64:
+			return strconv.FormatInt(v, 10)
+		case []uint8:
+			return string(v)
+		}
+
+	case table.FieldItemType_Float:
+		switch v := value.(type) {
+		case float64:
+			return strconv.FormatFloat(v, 'f', -1, 64)
+		case []uint8:
+			return string(v)
+		}
+
+	case table.FieldItemType_Boolean:
+		switch v := value.(type) {
+		case bool:
+			return strconv.FormatBool(v)
+		case int64:
+			return strconv.FormatBool(v != 0)
+		case []uint8:
+			boolStr := string(v)
+			if boolStr == "1" || boolStr == "true" {
+				return "true"
+			}
+			return "false"
+		}
+
+	case table.FieldItemType_Date:
+		switch v := value.(type) {
+		case time.Time:
+			return v.Format(TimeFormat)
+		case []uint8:
+			return string(v)
+		}
+	}
+
+	return fmt.Sprintf("%v", value)
+}
+
+// ConvertSystemFieldToString converts a system field value to a string.
+func ConvertSystemFieldToString(fieldName string, value interface{}) string {
+	switch fieldName {
+	case database.DefaultIDColName:
+		if intVal, ok := value.(int64); ok {
+			return strconv.FormatInt(intVal, 10)
+		}
+	case database.DefaultUidColName, database.DefaultCidColName:
+		if byteArray, ok := value.([]uint8); ok {
+			return string(byteArray)
+		}
+	case database.DefaultCreateTimeColName:
+		switch v := value.(type) {
+		case time.Time:
+			return v.Format(TimeFormat)
+		case []uint8:
+			// 尝试解析字符串表示的时间
+			return string(v)
+		}
+	}
+
+	return fmt.Sprintf("%v", value)
+}
+
+func ConvertLogicOperator(logic database.Logic) entity.LogicalOperator {
+	switch logic {
+	case database.Logic_And:
+		return entity.AND
+	case database.Logic_Or:
+		return entity.OR
+	default:
+		return entity.AND // 默认使用AND
+	}
+}
+
+func ConvertOperator(op database.Operation) entity.Operator {
+	switch op {
+	case database.Operation_EQUAL:
+		return entity.OperatorEqual
+	case database.Operation_NOT_EQUAL:
+		return entity.OperatorNotEqual
+	case database.Operation_GREATER_THAN:
+		return entity.OperatorGreater
+	case database.Operation_GREATER_EQUAL:
+		return entity.OperatorGreaterEqual
+	case database.Operation_LESS_THAN:
+		return entity.OperatorLess
+	case database.Operation_LESS_EQUAL:
+		return entity.OperatorLessEqual
+	case database.Operation_IN:
+		return entity.OperatorIn
+	case database.Operation_NOT_IN:
+		return entity.OperatorNotIn
+	case database.Operation_LIKE:
+		return entity.OperatorLike
+	case database.Operation_NOT_LIKE:
+		return entity.OperatorNotLike
+	case database.Operation_IS_NULL:
+		return entity.OperatorIsNull
+	case database.Operation_IS_NOT_NULL:
+		return entity.OperatorIsNotNull
+	default:
+		return entity.OperatorEqual
+	}
+}

backend/domain/memory/database/internal/dal/agent_to_database.go

@@ -0,0 +1,138 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package dal
+
+import (
+	"context"
+	"fmt"
+	"sync"
+
+	"gorm.io/gorm"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/database"
+	"github.com/coze-dev/coze-studio/backend/api/model/table"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/internal/dal/model"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/internal/dal/query"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/idgen"
+)
+
+var (
+	agentToDatabaseOnce sync.Once
+	singletonAgentToDb  *AgentToDatabaseImpl
+)
+
+type AgentToDatabaseImpl struct {
+	IDGen idgen.IDGenerator
+	query *query.Query
+}
+
+func NewAgentToDatabaseDAO(db *gorm.DB, idGen idgen.IDGenerator) *AgentToDatabaseImpl {
+	agentToDatabaseOnce.Do(func() {
+		singletonAgentToDb = &AgentToDatabaseImpl{
+			IDGen: idGen,
+			query: query.Use(db),
+		}
+	})
+
+	return singletonAgentToDb
+}
+
+func (d *AgentToDatabaseImpl) BatchCreate(ctx context.Context, relations []*database.AgentToDatabase) ([]int64, error) {
+	if len(relations) == 0 {
+		return []int64{}, nil
+	}
+
+	ids, err := d.IDGen.GenMultiIDs(ctx, len(relations))
+	if err != nil {
+		return nil, fmt.Errorf("generate IDs failed: %v", err)
+	}
+
+	agentToDbs := make([]*model.AgentToDatabase, len(relations))
+	for i, relation := range relations {
+		agentToDbs[i] = &model.AgentToDatabase{
+			ID:            ids[i],
+			AgentID:       relation.AgentID,
+			DatabaseID:    relation.DatabaseID,
+			IsDraft:       relation.TableType == table.TableType_DraftTable,
+			PromptDisable: relation.PromptDisabled,
+		}
+	}
+
+	res := d.query.AgentToDatabase
+	err = res.WithContext(ctx).CreateInBatches(agentToDbs, 10)
+	if err != nil {
+		return nil, fmt.Errorf("batch create agent to database relations failed: %v", err)
+	}
+
+	return ids, nil
+}
+
+func (d *AgentToDatabaseImpl) BatchDelete(ctx context.Context, basicRelations []*database.AgentToDatabaseBasic) error {
+	if len(basicRelations) == 0 {
+		return nil
+	}
+
+	res := d.query.AgentToDatabase
+
+	for _, relation := range basicRelations {
+		q := res.WithContext(ctx).
+			Where(res.AgentID.Eq(relation.AgentID)).
+			Where(res.DatabaseID.Eq(relation.DatabaseID))
+
+		_, err := q.Delete()
+		if err != nil {
+			return fmt.Errorf("delete relation failed for agent=%d, database=%d: %v",
+				relation.AgentID, relation.DatabaseID, err)
+		}
+	}
+
+	return nil
+}
+
+func (d *AgentToDatabaseImpl) ListByAgentID(ctx context.Context, agentID int64, tableType table.TableType) ([]*database.AgentToDatabase, error) {
+	res := d.query.AgentToDatabase
+
+	q := res.WithContext(ctx).Where(res.AgentID.Eq(agentID))
+
+	if tableType == table.TableType_DraftTable {
+		q = q.Where(res.IsDraft.Is(true))
+	} else {
+		q = q.Where(res.IsDraft.Is(false))
+	}
+
+	records, err := q.Find()
+	if err != nil {
+		return nil, fmt.Errorf("list agent to database relations failed: %v", err)
+	}
+
+	relations := make([]*database.AgentToDatabase, 0, len(records))
+	for _, info := range records {
+		tType := table.TableType_OnlineTable
+		if info.IsDraft {
+			tType = table.TableType_DraftTable
+		}
+		relation := &database.AgentToDatabase{
+			AgentID:        info.AgentID,
+			DatabaseID:     info.DatabaseID,
+			TableType:      tType,
+			PromptDisabled: info.PromptDisable,
+		}
+		relations = append(relations, relation)
+	}
+
+	return relations, nil
+}

backend/domain/memory/database/internal/dal/draft_database_info.go

@@ -0,0 +1,340 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package dal
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"sync"
+	"time"
+
+	"gorm.io/gorm"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/database"
+	"github.com/coze-dev/coze-studio/backend/api/model/table"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/internal/dal/model"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/internal/dal/query"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/idgen"
+	"github.com/coze-dev/coze-studio/backend/pkg/errorx"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+var (
+	draftOnce      sync.Once
+	singletonDraft *DraftImpl
+)
+
+type DraftImpl struct {
+	IDGen idgen.IDGenerator
+	query *query.Query
+}
+
+func NewDraftDatabaseDAO(db *gorm.DB, idGen idgen.IDGenerator) *DraftImpl {
+	draftOnce.Do(func() {
+		singletonDraft = &DraftImpl{
+			IDGen: idGen,
+			query: query.Use(db),
+		}
+	})
+
+	return singletonDraft
+}
+
+func (d *DraftImpl) CreateWithTX(ctx context.Context, tx *query.QueryTx, database *entity.Database, draftID, onlineID int64, physicalTableName string) (*entity.Database, error) {
+	now := time.Now().UnixMilli()
+
+	draftInfo := &model.DraftDatabaseInfo{
+		ID:              draftID,
+		AppID:           database.AppID,
+		SpaceID:         database.SpaceID,
+		RelatedOnlineID: onlineID,
+		IsVisible:       1, // 默认可见
+		PromptDisabled: func() int32 {
+			if database.PromptDisabled {
+				return 1
+			} else {
+				return 0
+			}
+		}(),
+		TableName_:        database.TableName,
+		TableDesc:         database.TableDesc,
+		TableField:        database.FieldList,
+		CreatorID:         database.CreatorID,
+		IconURI:           database.IconURI,
+		PhysicalTableName: physicalTableName,
+		RwMode:            int64(database.RwMode),
+		CreatedAt:         now,
+		UpdatedAt:         now,
+	}
+
+	table := tx.DraftDatabaseInfo
+
+	err := table.WithContext(ctx).Create(draftInfo)
+	if err != nil {
+		return nil, err
+	}
+
+	database.CreatedAtMs = now
+	database.UpdatedAtMs = now
+
+	return database, nil
+}
+
+// Get 获取草稿数据库信息
+func (d *DraftImpl) Get(ctx context.Context, id int64) (*entity.Database, error) {
+	res := d.query.DraftDatabaseInfo
+
+	info, err := res.WithContext(ctx).Where(res.ID.Eq(id)).First()
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, errorx.New(errno.ErrMemoryDatabaseNotFoundCode)
+		}
+		return nil, fmt.Errorf("query draft database failed: %v", err)
+	}
+
+	// 构建返回的数据库对象
+	db := &entity.Database{
+		ID:        info.ID,
+		SpaceID:   info.SpaceID,
+		CreatorID: info.CreatorID,
+		IconURI:   info.IconURI,
+
+		AppID:           info.AppID,
+		IsVisible:       info.IsVisible == 1,
+		PromptDisabled:  info.PromptDisabled == 1,
+		TableName:       info.TableName_,
+		TableDesc:       info.TableDesc,
+		FieldList:       info.TableField,
+		Status:          table.BotTableStatus_Online,
+		ActualTableName: info.PhysicalTableName,
+		RwMode:          table.BotTableRWMode(info.RwMode),
+		OnlineID:        &info.RelatedOnlineID,
+		DraftID:         &info.ID,
+	}
+
+	return db, nil
+}
+
+func (d *DraftImpl) MGet(ctx context.Context, ids []int64) ([]*entity.Database, error) {
+	if len(ids) == 0 {
+		return []*entity.Database{}, nil
+	}
+
+	res := d.query.DraftDatabaseInfo
+
+	records, err := res.WithContext(ctx).
+		Where(res.ID.In(ids...)).
+		Find()
+	if err != nil {
+		return nil, fmt.Errorf("batch query draft database failed: %v", err)
+	}
+
+	databases := make([]*entity.Database, 0, len(records))
+	for _, info := range records {
+
+		db := &entity.Database{
+			ID:        info.ID,
+			SpaceID:   info.SpaceID,
+			CreatorID: info.CreatorID,
+			IconURI:   info.IconURI,
+
+			AppID:           info.AppID,
+			IsVisible:       info.IsVisible == 1,
+			PromptDisabled:  info.PromptDisabled == 1,
+			TableName:       info.TableName_,
+			TableDesc:       info.TableDesc,
+			FieldList:       info.TableField,
+			Status:          table.BotTableStatus_Online,
+			ActualTableName: info.PhysicalTableName,
+			RwMode:          table.BotTableRWMode(info.RwMode),
+			OnlineID:        &info.RelatedOnlineID,
+			DraftID:         &info.ID,
+
+			CreatedAtMs: info.CreatedAt,
+			UpdatedAtMs: info.UpdatedAt,
+		}
+
+		databases = append(databases, db)
+	}
+
+	return databases, nil
+}
+
+// UpdateWithTX 使用事务更新草稿数据库信息
+func (d *DraftImpl) UpdateWithTX(ctx context.Context, tx *query.QueryTx, database *entity.Database) (*entity.Database, error) {
+	fieldJson, err := json.Marshal(database.FieldList)
+	if err != nil {
+		return nil, fmt.Errorf("marshal field list failed: %v", err)
+	}
+
+	fieldJsonStr := string(fieldJson)
+	now := time.Now().UnixMilli()
+
+	updates := map[string]interface{}{
+		"app_id":      database.AppID,
+		"table_name":  database.TableName,
+		"table_desc":  database.TableDesc,
+		"table_field": fieldJsonStr,
+		"icon_uri":    database.IconURI,
+		"prompt_disabled": func() int32 {
+			if database.PromptDisabled {
+				return 1
+			}
+			return 0
+		}(),
+		"rw_mode":    int64(database.RwMode),
+		"updated_at": now,
+	}
+
+	// 执行更新
+	res := tx.DraftDatabaseInfo
+	_, err = res.WithContext(ctx).Where(res.ID.Eq(database.ID)).Updates(updates)
+	if err != nil {
+		return nil, fmt.Errorf("update draft database failed: %v", err)
+	}
+
+	database.UpdatedAtMs = now
+	return database, nil
+}
+
+func (d *DraftImpl) DeleteWithTX(ctx context.Context, tx *query.QueryTx, id int64) error {
+	res := tx.DraftDatabaseInfo
+	_, err := res.WithContext(ctx).Where(res.ID.Eq(id)).Delete(&model.DraftDatabaseInfo{})
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return errorx.New(errno.ErrMemoryDatabaseNotFoundCode)
+		}
+		return fmt.Errorf("delete draft database failed: %v", err)
+	}
+
+	return nil
+}
+
+// List 列出符合条件的数据库信息
+func (d *DraftImpl) List(ctx context.Context, filter *entity.DatabaseFilter, page *entity.Pagination, orderBy []*database.OrderBy) ([]*entity.Database, int64, error) {
+	res := d.query.DraftDatabaseInfo
+
+	q := res.WithContext(ctx)
+
+	// 添加过滤条件
+	if filter != nil {
+		if filter.CreatorID != nil {
+			q = q.Where(res.CreatorID.Eq(*filter.CreatorID))
+		}
+
+		if filter.SpaceID != nil {
+			q = q.Where(res.SpaceID.Eq(*filter.SpaceID))
+		}
+
+		if filter.AppID != nil {
+			q = q.Where(res.AppID.Eq(*filter.AppID))
+		}
+
+		if filter.TableName != nil {
+			q = q.Where(res.TableName_.Like("%" + *filter.TableName + "%"))
+		}
+
+		q = q.Where(res.IsVisible.Eq(1))
+	}
+
+	count, err := q.Count()
+	if err != nil {
+		return nil, 0, fmt.Errorf("count online database failed: %v", err)
+	}
+
+	limit := int64(50)
+	if page != nil && page.Limit > 0 {
+		limit = int64(page.Limit)
+	}
+
+	offset := 0
+	if page != nil && page.Offset > 0 {
+		offset = page.Offset
+	}
+
+	if len(orderBy) > 0 {
+		for _, order := range orderBy {
+			switch order.Field {
+			case "created_at":
+				if order.Direction == table.SortDirection_Desc {
+					q = q.Order(res.CreatedAt.Desc())
+				} else {
+					q = q.Order(res.CreatedAt)
+				}
+			case "updated_at":
+				if order.Direction == table.SortDirection_Desc {
+					q = q.Order(res.UpdatedAt.Desc())
+				} else {
+					q = q.Order(res.UpdatedAt)
+				}
+			default:
+				q = q.Order(res.CreatedAt.Desc())
+			}
+		}
+	} else {
+		q = q.Order(res.CreatedAt.Desc())
+	}
+
+	records, err := q.Limit(int(limit)).Offset(offset).Find()
+	if err != nil {
+		return nil, 0, fmt.Errorf("list online database failed: %v", err)
+	}
+
+	databases := make([]*entity.Database, 0, len(records))
+	for _, info := range records {
+		db := &entity.Database{
+			ID:        info.ID,
+			SpaceID:   info.SpaceID,
+			CreatorID: info.CreatorID,
+			IconURI:   info.IconURI,
+
+			AppID:           info.AppID,
+			IsVisible:       info.IsVisible == 1,
+			PromptDisabled:  info.PromptDisabled == 1,
+			TableName:       info.TableName_,
+			TableDesc:       info.TableDesc,
+			FieldList:       info.TableField,
+			Status:          table.BotTableStatus_Online,
+			ActualTableName: info.PhysicalTableName,
+			RwMode:          table.BotTableRWMode(info.RwMode),
+			TableType:       ptr.Of(table.TableType_DraftTable),
+			OnlineID:        &info.RelatedOnlineID,
+			DraftID:         &info.ID,
+		}
+
+		databases = append(databases, db)
+	}
+
+	return databases, count, nil
+}
+
+func (d *DraftImpl) BatchDeleteWithTX(ctx context.Context, tx *query.QueryTx, ids []int64) error {
+	if len(ids) == 0 {
+		return nil
+	}
+
+	res := tx.DraftDatabaseInfo
+	_, err := res.WithContext(ctx).Where(res.ID.In(ids...)).Delete()
+	if err != nil {
+		return fmt.Errorf("batch delete draft database failed: %v", err)
+	}
+	return nil
+}

backend/domain/memory/database/internal/dal/model/agent_to_database.gen.go

@@ -0,0 +1,21 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package model
+
+const TableNameAgentToDatabase = "agent_to_database"
+
+// AgentToDatabase agent_to_database info
+type AgentToDatabase struct {
+	ID            int64 `gorm:"column:id;primaryKey;comment:ID" json:"id"`                                                                       // ID
+	AgentID       int64 `gorm:"column:agent_id;not null;comment:Agent ID" json:"agent_id"`                                                       // Agent ID
+	DatabaseID    int64 `gorm:"column:database_id;not null;comment:ID of database_info" json:"database_id"`                                      // ID of database_info
+	IsDraft       bool  `gorm:"column:is_draft;not null;comment:Is draft" json:"is_draft"`                                                       // Is draft
+	PromptDisable bool  `gorm:"column:prompt_disable;not null;comment:Support prompt calls: 1 not supported, 0 supported" json:"prompt_disable"` // Support prompt calls: 1 not supported, 0 supported
+}
+
+// TableName AgentToDatabase's table name
+func (*AgentToDatabase) TableName() string {
+	return TableNameAgentToDatabase
+}

backend/domain/memory/database/internal/dal/model/draft_database_info.gen.go

@@ -0,0 +1,37 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package model
+
+import (
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/database"
+	"gorm.io/gorm"
+)
+
+const TableNameDraftDatabaseInfo = "draft_database_info"
+
+// DraftDatabaseInfo draft database info
+type DraftDatabaseInfo struct {
+	ID                int64                 `gorm:"column:id;primaryKey;comment:ID" json:"id"`                                                                                                                              // ID
+	AppID             int64                 `gorm:"column:app_id;comment:App ID" json:"app_id"`                                                                                                                             // App ID
+	SpaceID           int64                 `gorm:"column:space_id;not null;comment:Space ID" json:"space_id"`                                                                                                              // Space ID
+	RelatedOnlineID   int64                 `gorm:"column:related_online_id;not null;comment:The primary key ID of online_database_info table" json:"related_online_id"`                                                    // The primary key ID of online_database_info table
+	IsVisible         int32                 `gorm:"column:is_visible;not null;default:1;comment:Visibility: 0 invisible, 1 visible" json:"is_visible"`                                                                      // Visibility: 0 invisible, 1 visible
+	PromptDisabled    int32                 `gorm:"column:prompt_disabled;not null;comment:Support prompt calls: 1 not supported, 0 supported" json:"prompt_disabled"`                                                      // Support prompt calls: 1 not supported, 0 supported
+	TableName_        string                `gorm:"column:table_name;not null;comment:Table name" json:"table_name"`                                                                                                        // Table name
+	TableDesc         string                `gorm:"column:table_desc;comment:Table description" json:"table_desc"`                                                                                                          // Table description
+	TableField        []*database.FieldItem `gorm:"column:table_field;comment:Table field info;serializer:json" json:"table_field"`                                                                                         // Table field info
+	CreatorID         int64                 `gorm:"column:creator_id;not null;comment:Creator ID" json:"creator_id"`                                                                                                        // Creator ID
+	IconURI           string                `gorm:"column:icon_uri;not null;comment:Icon Uri" json:"icon_uri"`                                                                                                              // Icon Uri
+	PhysicalTableName string                `gorm:"column:physical_table_name;comment:The name of the real physical table" json:"physical_table_name"`                                                                      // The name of the real physical table
+	RwMode            int64                 `gorm:"column:rw_mode;not null;default:1;comment:Read and write permission modes: 1. Limited read and write mode 2. Read-only mode 3. Full read and write mode" json:"rw_mode"` // Read and write permission modes: 1. Limited read and write mode 2. Read-only mode 3. Full read and write mode
+	CreatedAt         int64                 `gorm:"column:created_at;not null;autoCreateTime:milli;comment:Create Time in Milliseconds" json:"created_at"`                                                                  // Create Time in Milliseconds
+	UpdatedAt         int64                 `gorm:"column:updated_at;not null;autoUpdateTime:milli;comment:Update Time in Milliseconds" json:"updated_at"`                                                                  // Update Time in Milliseconds
+	DeletedAt         gorm.DeletedAt        `gorm:"column:deleted_at;comment:Delete Time" json:"deleted_at"`                                                                                                                // Delete Time
+}
+
+// TableName DraftDatabaseInfo's table name
+func (*DraftDatabaseInfo) TableName() string {
+	return TableNameDraftDatabaseInfo
+}

backend/domain/memory/database/internal/dal/model/online_database_info.gen.go

@@ -0,0 +1,37 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package model
+
+import (
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/database"
+	"gorm.io/gorm"
+)
+
+const TableNameOnlineDatabaseInfo = "online_database_info"
+
+// OnlineDatabaseInfo online database info
+type OnlineDatabaseInfo struct {
+	ID                int64                 `gorm:"column:id;primaryKey;comment:ID" json:"id"`                                                                                                                              // ID
+	AppID             int64                 `gorm:"column:app_id;comment:App ID" json:"app_id"`                                                                                                                             // App ID
+	SpaceID           int64                 `gorm:"column:space_id;not null;comment:Space ID" json:"space_id"`                                                                                                              // Space ID
+	RelatedDraftID    int64                 `gorm:"column:related_draft_id;not null;comment:The primary key ID of draft_database_info table" json:"related_draft_id"`                                                       // The primary key ID of draft_database_info table
+	IsVisible         int32                 `gorm:"column:is_visible;not null;default:1;comment:Visibility: 0 invisible, 1 visible" json:"is_visible"`                                                                      // Visibility: 0 invisible, 1 visible
+	PromptDisabled    int32                 `gorm:"column:prompt_disabled;not null;comment:Support prompt calls: 1 not supported, 0 supported" json:"prompt_disabled"`                                                      // Support prompt calls: 1 not supported, 0 supported
+	TableName_        string                `gorm:"column:table_name;not null;comment:Table name" json:"table_name"`                                                                                                        // Table name
+	TableDesc         string                `gorm:"column:table_desc;comment:Table description" json:"table_desc"`                                                                                                          // Table description
+	TableField        []*database.FieldItem `gorm:"column:table_field;comment:Table field info;serializer:json" json:"table_field"`                                                                                         // Table field info
+	CreatorID         int64                 `gorm:"column:creator_id;not null;comment:Creator ID" json:"creator_id"`                                                                                                        // Creator ID
+	IconURI           string                `gorm:"column:icon_uri;not null;comment:Icon Uri" json:"icon_uri"`                                                                                                              // Icon Uri
+	PhysicalTableName string                `gorm:"column:physical_table_name;comment:The name of the real physical table" json:"physical_table_name"`                                                                      // The name of the real physical table
+	RwMode            int64                 `gorm:"column:rw_mode;not null;default:1;comment:Read and write permission modes: 1. Limited read and write mode 2. Read-only mode 3. Full read and write mode" json:"rw_mode"` // Read and write permission modes: 1. Limited read and write mode 2. Read-only mode 3. Full read and write mode
+	CreatedAt         int64                 `gorm:"column:created_at;not null;autoCreateTime:milli;comment:Create Time in Milliseconds" json:"created_at"`                                                                  // Create Time in Milliseconds
+	UpdatedAt         int64                 `gorm:"column:updated_at;not null;autoUpdateTime:milli;comment:Update Time in Milliseconds" json:"updated_at"`                                                                  // Update Time in Milliseconds
+	DeletedAt         gorm.DeletedAt        `gorm:"column:deleted_at;comment:Delete Time" json:"deleted_at"`                                                                                                                // Delete Time
+}
+
+// TableName OnlineDatabaseInfo's table name
+func (*OnlineDatabaseInfo) TableName() string {
+	return TableNameOnlineDatabaseInfo
+}

backend/domain/memory/database/internal/dal/online_database_info.go

@@ -0,0 +1,345 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package dal
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"sync"
+	"time"
+
+	"gorm.io/gorm"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/database"
+	"github.com/coze-dev/coze-studio/backend/api/model/table"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/entity"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/internal/dal/model"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/internal/dal/query"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/idgen"
+	"github.com/coze-dev/coze-studio/backend/pkg/errorx"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+var (
+	onlineOnce      sync.Once
+	singletonOnline *OlineImpl
+)
+
+type OlineImpl struct {
+	IDGen idgen.IDGenerator
+	query *query.Query
+}
+
+func NewOnlineDatabaseDAO(db *gorm.DB, idGen idgen.IDGenerator) *OlineImpl {
+	onlineOnce.Do(func() {
+		singletonOnline = &OlineImpl{
+			IDGen: idGen,
+			query: query.Use(db),
+		}
+	})
+
+	return singletonOnline
+}
+
+func (o *OlineImpl) CreateWithTX(ctx context.Context, tx *query.QueryTx, database *entity.Database, draftID, onlineID int64, physicalTableName string) (*entity.Database, error) {
+	now := time.Now().UnixMilli()
+	onlineInfo := &model.OnlineDatabaseInfo{
+		ID:             onlineID,
+		AppID:          database.AppID,
+		SpaceID:        database.SpaceID,
+		RelatedDraftID: draftID,
+		IsVisible:      1, // 默认可见
+		PromptDisabled: func() int32 {
+			if database.PromptDisabled {
+				return 1
+			} else {
+				return 0
+			}
+		}(),
+		TableName_:        database.TableName,
+		TableDesc:         database.TableDesc,
+		TableField:        database.FieldList,
+		CreatorID:         database.CreatorID,
+		IconURI:           database.IconURI,
+		PhysicalTableName: physicalTableName,
+		RwMode:            int64(database.RwMode),
+		CreatedAt:         now,
+		UpdatedAt:         now,
+	}
+
+	table := tx.OnlineDatabaseInfo
+
+	err := table.WithContext(ctx).Create(onlineInfo)
+	if err != nil {
+		return nil, err
+	}
+
+	database.CreatedAtMs = now
+	database.UpdatedAtMs = now
+
+	return database, nil
+}
+
+// Get 获取线上数据库信息
+func (o *OlineImpl) Get(ctx context.Context, id int64) (*entity.Database, error) {
+	res := o.query.OnlineDatabaseInfo
+
+	info, err := res.WithContext(ctx).Where(res.ID.Eq(id)).First()
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, errorx.New(errno.ErrMemoryDatabaseNotFoundCode)
+		}
+		return nil, fmt.Errorf("query online database failed: %v", err)
+	}
+
+	db := &entity.Database{
+		ID:        info.ID,
+		SpaceID:   info.SpaceID,
+		CreatorID: info.CreatorID,
+		IconURI:   info.IconURI,
+
+		AppID:           info.AppID,
+		DraftID:         &info.RelatedDraftID,
+		OnlineID:        &info.ID,
+		IsVisible:       info.IsVisible == 1,
+		PromptDisabled:  info.PromptDisabled == 1,
+		TableName:       info.TableName_,
+		TableDesc:       info.TableDesc,
+		FieldList:       info.TableField,
+		Status:          table.BotTableStatus_Online,
+		ActualTableName: info.PhysicalTableName,
+		RwMode:          table.BotTableRWMode(info.RwMode),
+	}
+
+	return db, nil
+}
+
+// UpdateWithTX 使用事务更新线上数据库信息
+func (o *OlineImpl) UpdateWithTX(ctx context.Context, tx *query.QueryTx, database *entity.Database) (*entity.Database, error) {
+	fieldJson, err := json.Marshal(database.FieldList)
+	if err != nil {
+		return nil, fmt.Errorf("marshal field list failed: %v", err)
+	}
+
+	fieldJsonStr := string(fieldJson)
+	now := time.Now().UnixMilli()
+
+	// 构建更新内容
+	updates := map[string]interface{}{
+		"app_id":      database.AppID,
+		"table_name":  database.TableName,
+		"table_desc":  database.TableDesc,
+		"table_field": fieldJsonStr,
+		"icon_uri":    database.IconURI,
+		"prompt_disabled": func() int32 {
+			if database.PromptDisabled {
+				return 1
+			}
+			return 0
+		}(),
+		"rw_mode":    int64(database.RwMode),
+		"updated_at": now,
+	}
+
+	// 执行更新
+	res := tx.OnlineDatabaseInfo
+	_, err = res.WithContext(ctx).Where(res.ID.Eq(database.ID)).Updates(updates)
+	if err != nil {
+		return nil, fmt.Errorf("update online database failed: %v", err)
+	}
+
+	_, err = res.WithContext(ctx).Where(res.ID.In(database.ID)).Updates(updates)
+
+	database.UpdatedAtMs = now
+	return database, nil
+}
+
+func (o *OlineImpl) DeleteWithTX(ctx context.Context, tx *query.QueryTx, id int64) error {
+	res := tx.OnlineDatabaseInfo
+	_, err := res.WithContext(ctx).Where(res.ID.Eq(id)).Delete(&model.OnlineDatabaseInfo{})
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return errorx.New(errno.ErrMemoryDatabaseNotFoundCode)
+		}
+		return fmt.Errorf("delete online database failed: %v", err)
+	}
+
+	return nil
+}
+
+// MGet 批量获取在线数据库信息
+func (o *OlineImpl) MGet(ctx context.Context, ids []int64) ([]*entity.Database, error) {
+	if len(ids) == 0 {
+		return []*entity.Database{}, nil
+	}
+
+	res := o.query.OnlineDatabaseInfo
+
+	// 查询未删除的、ID在给定列表中的记录
+	records, err := res.WithContext(ctx).
+		Where(res.ID.In(ids...)).
+		Find()
+	if err != nil {
+		return nil, fmt.Errorf("batch query online database failed: %v", err)
+	}
+
+	// 构建返回结果
+	databases := make([]*entity.Database, 0, len(records))
+	for _, info := range records {
+		db := &entity.Database{
+			ID:        info.ID,
+			SpaceID:   info.SpaceID,
+			CreatorID: info.CreatorID,
+			IconURI:   info.IconURI,
+
+			AppID:           info.AppID,
+			DraftID:         &info.RelatedDraftID,
+			OnlineID:        &info.ID,
+			IsVisible:       info.IsVisible == 1,
+			PromptDisabled:  info.PromptDisabled == 1,
+			TableName:       info.TableName_,
+			TableDesc:       info.TableDesc,
+			FieldList:       info.TableField,
+			Status:          table.BotTableStatus_Online,
+			ActualTableName: info.PhysicalTableName,
+			RwMode:          table.BotTableRWMode(info.RwMode),
+
+			CreatedAtMs: info.CreatedAt,
+			UpdatedAtMs: info.UpdatedAt,
+		}
+
+		databases = append(databases, db)
+	}
+
+	return databases, nil
+}
+
+// List 列出符合条件的数据库信息
+func (o *OlineImpl) List(ctx context.Context, filter *entity.DatabaseFilter, page *entity.Pagination, orderBy []*database.OrderBy) ([]*entity.Database, int64, error) {
+	res := o.query.OnlineDatabaseInfo
+
+	// 构建基础查询
+	q := res.WithContext(ctx)
+
+	// 添加过滤条件
+	if filter != nil {
+		if filter.CreatorID != nil {
+			q = q.Where(res.CreatorID.Eq(*filter.CreatorID))
+		}
+
+		if filter.SpaceID != nil {
+			q = q.Where(res.SpaceID.Eq(*filter.SpaceID))
+		}
+
+		if filter.AppID != nil {
+			q = q.Where(res.AppID.Eq(*filter.AppID))
+		}
+
+		if filter.TableName != nil {
+			q = q.Where(res.TableName_.Like("%" + *filter.TableName + "%"))
+		}
+
+		q = q.Where(res.IsVisible.Eq(1))
+	}
+
+	count, err := q.Count()
+	if err != nil {
+		return nil, 0, fmt.Errorf("count online database failed: %v", err)
+	}
+
+	limit := int64(50) // default
+	if page != nil && page.Limit > 0 {
+		limit = int64(page.Limit)
+	}
+
+	offset := 0
+	if page != nil && page.Offset > 0 {
+		offset = page.Offset
+	}
+
+	// 处理排序
+	if len(orderBy) > 0 {
+		for _, order := range orderBy {
+			switch order.Field {
+			case "created_at":
+				if order.Direction == table.SortDirection_Desc {
+					q = q.Order(res.CreatedAt.Desc())
+				} else {
+					q = q.Order(res.CreatedAt)
+				}
+			case "updated_at":
+				if order.Direction == table.SortDirection_Desc {
+					q = q.Order(res.UpdatedAt.Desc())
+				} else {
+					q = q.Order(res.UpdatedAt)
+				}
+			default:
+				q = q.Order(res.CreatedAt.Desc())
+			}
+		}
+	} else {
+		q = q.Order(res.CreatedAt.Desc())
+	}
+
+	records, err := q.Limit(int(limit)).Offset(offset).Find()
+	if err != nil {
+		return nil, 0, fmt.Errorf("list online database failed: %v", err)
+	}
+
+	databases := make([]*entity.Database, 0, len(records))
+	for _, info := range records {
+		d := &entity.Database{
+			ID:        info.ID,
+			SpaceID:   info.SpaceID,
+			CreatorID: info.CreatorID,
+			IconURI:   info.IconURI,
+
+			AppID:           info.AppID,
+			DraftID:         &info.RelatedDraftID,
+			OnlineID:        &info.ID,
+			IsVisible:       info.IsVisible == 1,
+			PromptDisabled:  info.PromptDisabled == 1,
+			TableName:       info.TableName_,
+			TableDesc:       info.TableDesc,
+			FieldList:       info.TableField,
+			Status:          table.BotTableStatus_Online,
+			ActualTableName: info.PhysicalTableName,
+			RwMode:          table.BotTableRWMode(info.RwMode),
+			TableType:       ptr.Of(table.TableType_OnlineTable),
+		}
+
+		databases = append(databases, d)
+	}
+
+	return databases, count, nil
+}
+
+func (o *OlineImpl) BatchDeleteWithTX(ctx context.Context, tx *query.QueryTx, ids []int64) error {
+	if len(ids) == 0 {
+		return nil
+	}
+
+	res := tx.OnlineDatabaseInfo
+	_, err := res.WithContext(ctx).Where(res.ID.In(ids...)).Delete()
+	if err != nil {
+		return fmt.Errorf("batch delete online database failed: %v", err)
+	}
+	return nil
+}

backend/domain/memory/database/internal/dal/query/agent_to_database.gen.go

@@ -0,0 +1,397 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package query
+
+import (
+	"context"
+
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+	"gorm.io/gorm/schema"
+
+	"gorm.io/gen"
+	"gorm.io/gen/field"
+
+	"gorm.io/plugin/dbresolver"
+
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/internal/dal/model"
+)
+
+func newAgentToDatabase(db *gorm.DB, opts ...gen.DOOption) agentToDatabase {
+	_agentToDatabase := agentToDatabase{}
+
+	_agentToDatabase.agentToDatabaseDo.UseDB(db, opts...)
+	_agentToDatabase.agentToDatabaseDo.UseModel(&model.AgentToDatabase{})
+
+	tableName := _agentToDatabase.agentToDatabaseDo.TableName()
+	_agentToDatabase.ALL = field.NewAsterisk(tableName)
+	_agentToDatabase.ID = field.NewInt64(tableName, "id")
+	_agentToDatabase.AgentID = field.NewInt64(tableName, "agent_id")
+	_agentToDatabase.DatabaseID = field.NewInt64(tableName, "database_id")
+	_agentToDatabase.IsDraft = field.NewBool(tableName, "is_draft")
+	_agentToDatabase.PromptDisable = field.NewBool(tableName, "prompt_disable")
+
+	_agentToDatabase.fillFieldMap()
+
+	return _agentToDatabase
+}
+
+// agentToDatabase agent_to_database info
+type agentToDatabase struct {
+	agentToDatabaseDo
+
+	ALL           field.Asterisk
+	ID            field.Int64 // ID
+	AgentID       field.Int64 // Agent ID
+	DatabaseID    field.Int64 // ID of database_info
+	IsDraft       field.Bool  // Is draft
+	PromptDisable field.Bool  // Support prompt calls: 1 not supported, 0 supported
+
+	fieldMap map[string]field.Expr
+}
+
+func (a agentToDatabase) Table(newTableName string) *agentToDatabase {
+	a.agentToDatabaseDo.UseTable(newTableName)
+	return a.updateTableName(newTableName)
+}
+
+func (a agentToDatabase) As(alias string) *agentToDatabase {
+	a.agentToDatabaseDo.DO = *(a.agentToDatabaseDo.As(alias).(*gen.DO))
+	return a.updateTableName(alias)
+}
+
+func (a *agentToDatabase) updateTableName(table string) *agentToDatabase {
+	a.ALL = field.NewAsterisk(table)
+	a.ID = field.NewInt64(table, "id")
+	a.AgentID = field.NewInt64(table, "agent_id")
+	a.DatabaseID = field.NewInt64(table, "database_id")
+	a.IsDraft = field.NewBool(table, "is_draft")
+	a.PromptDisable = field.NewBool(table, "prompt_disable")
+
+	a.fillFieldMap()
+
+	return a
+}
+
+func (a *agentToDatabase) GetFieldByName(fieldName string) (field.OrderExpr, bool) {
+	_f, ok := a.fieldMap[fieldName]
+	if !ok || _f == nil {
+		return nil, false
+	}
+	_oe, ok := _f.(field.OrderExpr)
+	return _oe, ok
+}
+
+func (a *agentToDatabase) fillFieldMap() {
+	a.fieldMap = make(map[string]field.Expr, 5)
+	a.fieldMap["id"] = a.ID
+	a.fieldMap["agent_id"] = a.AgentID
+	a.fieldMap["database_id"] = a.DatabaseID
+	a.fieldMap["is_draft"] = a.IsDraft
+	a.fieldMap["prompt_disable"] = a.PromptDisable
+}
+
+func (a agentToDatabase) clone(db *gorm.DB) agentToDatabase {
+	a.agentToDatabaseDo.ReplaceConnPool(db.Statement.ConnPool)
+	return a
+}
+
+func (a agentToDatabase) replaceDB(db *gorm.DB) agentToDatabase {
+	a.agentToDatabaseDo.ReplaceDB(db)
+	return a
+}
+
+type agentToDatabaseDo struct{ gen.DO }
+
+type IAgentToDatabaseDo interface {
+	gen.SubQuery
+	Debug() IAgentToDatabaseDo
+	WithContext(ctx context.Context) IAgentToDatabaseDo
+	WithResult(fc func(tx gen.Dao)) gen.ResultInfo
+	ReplaceDB(db *gorm.DB)
+	ReadDB() IAgentToDatabaseDo
+	WriteDB() IAgentToDatabaseDo
+	As(alias string) gen.Dao
+	Session(config *gorm.Session) IAgentToDatabaseDo
+	Columns(cols ...field.Expr) gen.Columns
+	Clauses(conds ...clause.Expression) IAgentToDatabaseDo
+	Not(conds ...gen.Condition) IAgentToDatabaseDo
+	Or(conds ...gen.Condition) IAgentToDatabaseDo
+	Select(conds ...field.Expr) IAgentToDatabaseDo
+	Where(conds ...gen.Condition) IAgentToDatabaseDo
+	Order(conds ...field.Expr) IAgentToDatabaseDo
+	Distinct(cols ...field.Expr) IAgentToDatabaseDo
+	Omit(cols ...field.Expr) IAgentToDatabaseDo
+	Join(table schema.Tabler, on ...field.Expr) IAgentToDatabaseDo
+	LeftJoin(table schema.Tabler, on ...field.Expr) IAgentToDatabaseDo
+	RightJoin(table schema.Tabler, on ...field.Expr) IAgentToDatabaseDo
+	Group(cols ...field.Expr) IAgentToDatabaseDo
+	Having(conds ...gen.Condition) IAgentToDatabaseDo
+	Limit(limit int) IAgentToDatabaseDo
+	Offset(offset int) IAgentToDatabaseDo
+	Count() (count int64, err error)
+	Scopes(funcs ...func(gen.Dao) gen.Dao) IAgentToDatabaseDo
+	Unscoped() IAgentToDatabaseDo
+	Create(values ...*model.AgentToDatabase) error
+	CreateInBatches(values []*model.AgentToDatabase, batchSize int) error
+	Save(values ...*model.AgentToDatabase) error
+	First() (*model.AgentToDatabase, error)
+	Take() (*model.AgentToDatabase, error)
+	Last() (*model.AgentToDatabase, error)
+	Find() ([]*model.AgentToDatabase, error)
+	FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*model.AgentToDatabase, err error)
+	FindInBatches(result *[]*model.AgentToDatabase, batchSize int, fc func(tx gen.Dao, batch int) error) error
+	Pluck(column field.Expr, dest interface{}) error
+	Delete(...*model.AgentToDatabase) (info gen.ResultInfo, err error)
+	Update(column field.Expr, value interface{}) (info gen.ResultInfo, err error)
+	UpdateSimple(columns ...field.AssignExpr) (info gen.ResultInfo, err error)
+	Updates(value interface{}) (info gen.ResultInfo, err error)
+	UpdateColumn(column field.Expr, value interface{}) (info gen.ResultInfo, err error)
+	UpdateColumnSimple(columns ...field.AssignExpr) (info gen.ResultInfo, err error)
+	UpdateColumns(value interface{}) (info gen.ResultInfo, err error)
+	UpdateFrom(q gen.SubQuery) gen.Dao
+	Attrs(attrs ...field.AssignExpr) IAgentToDatabaseDo
+	Assign(attrs ...field.AssignExpr) IAgentToDatabaseDo
+	Joins(fields ...field.RelationField) IAgentToDatabaseDo
+	Preload(fields ...field.RelationField) IAgentToDatabaseDo
+	FirstOrInit() (*model.AgentToDatabase, error)
+	FirstOrCreate() (*model.AgentToDatabase, error)
+	FindByPage(offset int, limit int) (result []*model.AgentToDatabase, count int64, err error)
+	ScanByPage(result interface{}, offset int, limit int) (count int64, err error)
+	Scan(result interface{}) (err error)
+	Returning(value interface{}, columns ...string) IAgentToDatabaseDo
+	UnderlyingDB() *gorm.DB
+	schema.Tabler
+}
+
+func (a agentToDatabaseDo) Debug() IAgentToDatabaseDo {
+	return a.withDO(a.DO.Debug())
+}
+
+func (a agentToDatabaseDo) WithContext(ctx context.Context) IAgentToDatabaseDo {
+	return a.withDO(a.DO.WithContext(ctx))
+}
+
+func (a agentToDatabaseDo) ReadDB() IAgentToDatabaseDo {
+	return a.Clauses(dbresolver.Read)
+}
+
+func (a agentToDatabaseDo) WriteDB() IAgentToDatabaseDo {
+	return a.Clauses(dbresolver.Write)
+}
+
+func (a agentToDatabaseDo) Session(config *gorm.Session) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Session(config))
+}
+
+func (a agentToDatabaseDo) Clauses(conds ...clause.Expression) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Clauses(conds...))
+}
+
+func (a agentToDatabaseDo) Returning(value interface{}, columns ...string) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Returning(value, columns...))
+}
+
+func (a agentToDatabaseDo) Not(conds ...gen.Condition) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Not(conds...))
+}
+
+func (a agentToDatabaseDo) Or(conds ...gen.Condition) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Or(conds...))
+}
+
+func (a agentToDatabaseDo) Select(conds ...field.Expr) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Select(conds...))
+}
+
+func (a agentToDatabaseDo) Where(conds ...gen.Condition) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Where(conds...))
+}
+
+func (a agentToDatabaseDo) Order(conds ...field.Expr) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Order(conds...))
+}
+
+func (a agentToDatabaseDo) Distinct(cols ...field.Expr) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Distinct(cols...))
+}
+
+func (a agentToDatabaseDo) Omit(cols ...field.Expr) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Omit(cols...))
+}
+
+func (a agentToDatabaseDo) Join(table schema.Tabler, on ...field.Expr) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Join(table, on...))
+}
+
+func (a agentToDatabaseDo) LeftJoin(table schema.Tabler, on ...field.Expr) IAgentToDatabaseDo {
+	return a.withDO(a.DO.LeftJoin(table, on...))
+}
+
+func (a agentToDatabaseDo) RightJoin(table schema.Tabler, on ...field.Expr) IAgentToDatabaseDo {
+	return a.withDO(a.DO.RightJoin(table, on...))
+}
+
+func (a agentToDatabaseDo) Group(cols ...field.Expr) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Group(cols...))
+}
+
+func (a agentToDatabaseDo) Having(conds ...gen.Condition) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Having(conds...))
+}
+
+func (a agentToDatabaseDo) Limit(limit int) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Limit(limit))
+}
+
+func (a agentToDatabaseDo) Offset(offset int) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Offset(offset))
+}
+
+func (a agentToDatabaseDo) Scopes(funcs ...func(gen.Dao) gen.Dao) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Scopes(funcs...))
+}
+
+func (a agentToDatabaseDo) Unscoped() IAgentToDatabaseDo {
+	return a.withDO(a.DO.Unscoped())
+}
+
+func (a agentToDatabaseDo) Create(values ...*model.AgentToDatabase) error {
+	if len(values) == 0 {
+		return nil
+	}
+	return a.DO.Create(values)
+}
+
+func (a agentToDatabaseDo) CreateInBatches(values []*model.AgentToDatabase, batchSize int) error {
+	return a.DO.CreateInBatches(values, batchSize)
+}
+
+// Save : !!! underlying implementation is different with GORM
+// The method is equivalent to executing the statement: db.Clauses(clause.OnConflict{UpdateAll: true}).Create(values)
+func (a agentToDatabaseDo) Save(values ...*model.AgentToDatabase) error {
+	if len(values) == 0 {
+		return nil
+	}
+	return a.DO.Save(values)
+}
+
+func (a agentToDatabaseDo) First() (*model.AgentToDatabase, error) {
+	if result, err := a.DO.First(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.AgentToDatabase), nil
+	}
+}
+
+func (a agentToDatabaseDo) Take() (*model.AgentToDatabase, error) {
+	if result, err := a.DO.Take(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.AgentToDatabase), nil
+	}
+}
+
+func (a agentToDatabaseDo) Last() (*model.AgentToDatabase, error) {
+	if result, err := a.DO.Last(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.AgentToDatabase), nil
+	}
+}
+
+func (a agentToDatabaseDo) Find() ([]*model.AgentToDatabase, error) {
+	result, err := a.DO.Find()
+	return result.([]*model.AgentToDatabase), err
+}
+
+func (a agentToDatabaseDo) FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*model.AgentToDatabase, err error) {
+	buf := make([]*model.AgentToDatabase, 0, batchSize)
+	err = a.DO.FindInBatches(&buf, batchSize, func(tx gen.Dao, batch int) error {
+		defer func() { results = append(results, buf...) }()
+		return fc(tx, batch)
+	})
+	return results, err
+}
+
+func (a agentToDatabaseDo) FindInBatches(result *[]*model.AgentToDatabase, batchSize int, fc func(tx gen.Dao, batch int) error) error {
+	return a.DO.FindInBatches(result, batchSize, fc)
+}
+
+func (a agentToDatabaseDo) Attrs(attrs ...field.AssignExpr) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Attrs(attrs...))
+}
+
+func (a agentToDatabaseDo) Assign(attrs ...field.AssignExpr) IAgentToDatabaseDo {
+	return a.withDO(a.DO.Assign(attrs...))
+}
+
+func (a agentToDatabaseDo) Joins(fields ...field.RelationField) IAgentToDatabaseDo {
+	for _, _f := range fields {
+		a = *a.withDO(a.DO.Joins(_f))
+	}
+	return &a
+}
+
+func (a agentToDatabaseDo) Preload(fields ...field.RelationField) IAgentToDatabaseDo {
+	for _, _f := range fields {
+		a = *a.withDO(a.DO.Preload(_f))
+	}
+	return &a
+}
+
+func (a agentToDatabaseDo) FirstOrInit() (*model.AgentToDatabase, error) {
+	if result, err := a.DO.FirstOrInit(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.AgentToDatabase), nil
+	}
+}
+
+func (a agentToDatabaseDo) FirstOrCreate() (*model.AgentToDatabase, error) {
+	if result, err := a.DO.FirstOrCreate(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.AgentToDatabase), nil
+	}
+}
+
+func (a agentToDatabaseDo) FindByPage(offset int, limit int) (result []*model.AgentToDatabase, count int64, err error) {
+	result, err = a.Offset(offset).Limit(limit).Find()
+	if err != nil {
+		return
+	}
+
+	if size := len(result); 0 < limit && 0 < size && size < limit {
+		count = int64(size + offset)
+		return
+	}
+
+	count, err = a.Offset(-1).Limit(-1).Count()
+	return
+}
+
+func (a agentToDatabaseDo) ScanByPage(result interface{}, offset int, limit int) (count int64, err error) {
+	count, err = a.Count()
+	if err != nil {
+		return
+	}
+
+	err = a.Offset(offset).Limit(limit).Scan(result)
+	return
+}
+
+func (a agentToDatabaseDo) Scan(result interface{}) (err error) {
+	return a.DO.Scan(result)
+}
+
+func (a agentToDatabaseDo) Delete(models ...*model.AgentToDatabase) (result gen.ResultInfo, err error) {
+	return a.DO.Delete(models)
+}
+
+func (a *agentToDatabaseDo) withDO(do gen.Dao) *agentToDatabaseDo {
+	a.DO = *do.(*gen.DO)
+	return a
+}

backend/domain/memory/database/internal/dal/query/draft_database_info.gen.go

@@ -0,0 +1,441 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package query
+
+import (
+	"context"
+
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+	"gorm.io/gorm/schema"
+
+	"gorm.io/gen"
+	"gorm.io/gen/field"
+
+	"gorm.io/plugin/dbresolver"
+
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/internal/dal/model"
+)
+
+func newDraftDatabaseInfo(db *gorm.DB, opts ...gen.DOOption) draftDatabaseInfo {
+	_draftDatabaseInfo := draftDatabaseInfo{}
+
+	_draftDatabaseInfo.draftDatabaseInfoDo.UseDB(db, opts...)
+	_draftDatabaseInfo.draftDatabaseInfoDo.UseModel(&model.DraftDatabaseInfo{})
+
+	tableName := _draftDatabaseInfo.draftDatabaseInfoDo.TableName()
+	_draftDatabaseInfo.ALL = field.NewAsterisk(tableName)
+	_draftDatabaseInfo.ID = field.NewInt64(tableName, "id")
+	_draftDatabaseInfo.AppID = field.NewInt64(tableName, "app_id")
+	_draftDatabaseInfo.SpaceID = field.NewInt64(tableName, "space_id")
+	_draftDatabaseInfo.RelatedOnlineID = field.NewInt64(tableName, "related_online_id")
+	_draftDatabaseInfo.IsVisible = field.NewInt32(tableName, "is_visible")
+	_draftDatabaseInfo.PromptDisabled = field.NewInt32(tableName, "prompt_disabled")
+	_draftDatabaseInfo.TableName_ = field.NewString(tableName, "table_name")
+	_draftDatabaseInfo.TableDesc = field.NewString(tableName, "table_desc")
+	_draftDatabaseInfo.TableField = field.NewField(tableName, "table_field")
+	_draftDatabaseInfo.CreatorID = field.NewInt64(tableName, "creator_id")
+	_draftDatabaseInfo.IconURI = field.NewString(tableName, "icon_uri")
+	_draftDatabaseInfo.PhysicalTableName = field.NewString(tableName, "physical_table_name")
+	_draftDatabaseInfo.RwMode = field.NewInt64(tableName, "rw_mode")
+	_draftDatabaseInfo.CreatedAt = field.NewInt64(tableName, "created_at")
+	_draftDatabaseInfo.UpdatedAt = field.NewInt64(tableName, "updated_at")
+	_draftDatabaseInfo.DeletedAt = field.NewField(tableName, "deleted_at")
+
+	_draftDatabaseInfo.fillFieldMap()
+
+	return _draftDatabaseInfo
+}
+
+// draftDatabaseInfo draft database info
+type draftDatabaseInfo struct {
+	draftDatabaseInfoDo
+
+	ALL               field.Asterisk
+	ID                field.Int64  // ID
+	AppID             field.Int64  // App ID
+	SpaceID           field.Int64  // Space ID
+	RelatedOnlineID   field.Int64  // The primary key ID of online_database_info table
+	IsVisible         field.Int32  // Visibility: 0 invisible, 1 visible
+	PromptDisabled    field.Int32  // Support prompt calls: 1 not supported, 0 supported
+	TableName_        field.String // Table name
+	TableDesc         field.String // Table description
+	TableField        field.Field  // Table field info
+	CreatorID         field.Int64  // Creator ID
+	IconURI           field.String // Icon Uri
+	PhysicalTableName field.String // The name of the real physical table
+	RwMode            field.Int64  // Read and write permission modes: 1. Limited read and write mode 2. Read-only mode 3. Full read and write mode
+	CreatedAt         field.Int64  // Create Time in Milliseconds
+	UpdatedAt         field.Int64  // Update Time in Milliseconds
+	DeletedAt         field.Field  // Delete Time
+
+	fieldMap map[string]field.Expr
+}
+
+func (d draftDatabaseInfo) Table(newTableName string) *draftDatabaseInfo {
+	d.draftDatabaseInfoDo.UseTable(newTableName)
+	return d.updateTableName(newTableName)
+}
+
+func (d draftDatabaseInfo) As(alias string) *draftDatabaseInfo {
+	d.draftDatabaseInfoDo.DO = *(d.draftDatabaseInfoDo.As(alias).(*gen.DO))
+	return d.updateTableName(alias)
+}
+
+func (d *draftDatabaseInfo) updateTableName(table string) *draftDatabaseInfo {
+	d.ALL = field.NewAsterisk(table)
+	d.ID = field.NewInt64(table, "id")
+	d.AppID = field.NewInt64(table, "app_id")
+	d.SpaceID = field.NewInt64(table, "space_id")
+	d.RelatedOnlineID = field.NewInt64(table, "related_online_id")
+	d.IsVisible = field.NewInt32(table, "is_visible")
+	d.PromptDisabled = field.NewInt32(table, "prompt_disabled")
+	d.TableName_ = field.NewString(table, "table_name")
+	d.TableDesc = field.NewString(table, "table_desc")
+	d.TableField = field.NewField(table, "table_field")
+	d.CreatorID = field.NewInt64(table, "creator_id")
+	d.IconURI = field.NewString(table, "icon_uri")
+	d.PhysicalTableName = field.NewString(table, "physical_table_name")
+	d.RwMode = field.NewInt64(table, "rw_mode")
+	d.CreatedAt = field.NewInt64(table, "created_at")
+	d.UpdatedAt = field.NewInt64(table, "updated_at")
+	d.DeletedAt = field.NewField(table, "deleted_at")
+
+	d.fillFieldMap()
+
+	return d
+}
+
+func (d *draftDatabaseInfo) GetFieldByName(fieldName string) (field.OrderExpr, bool) {
+	_f, ok := d.fieldMap[fieldName]
+	if !ok || _f == nil {
+		return nil, false
+	}
+	_oe, ok := _f.(field.OrderExpr)
+	return _oe, ok
+}
+
+func (d *draftDatabaseInfo) fillFieldMap() {
+	d.fieldMap = make(map[string]field.Expr, 16)
+	d.fieldMap["id"] = d.ID
+	d.fieldMap["app_id"] = d.AppID
+	d.fieldMap["space_id"] = d.SpaceID
+	d.fieldMap["related_online_id"] = d.RelatedOnlineID
+	d.fieldMap["is_visible"] = d.IsVisible
+	d.fieldMap["prompt_disabled"] = d.PromptDisabled
+	d.fieldMap["table_name"] = d.TableName_
+	d.fieldMap["table_desc"] = d.TableDesc
+	d.fieldMap["table_field"] = d.TableField
+	d.fieldMap["creator_id"] = d.CreatorID
+	d.fieldMap["icon_uri"] = d.IconURI
+	d.fieldMap["physical_table_name"] = d.PhysicalTableName
+	d.fieldMap["rw_mode"] = d.RwMode
+	d.fieldMap["created_at"] = d.CreatedAt
+	d.fieldMap["updated_at"] = d.UpdatedAt
+	d.fieldMap["deleted_at"] = d.DeletedAt
+}
+
+func (d draftDatabaseInfo) clone(db *gorm.DB) draftDatabaseInfo {
+	d.draftDatabaseInfoDo.ReplaceConnPool(db.Statement.ConnPool)
+	return d
+}
+
+func (d draftDatabaseInfo) replaceDB(db *gorm.DB) draftDatabaseInfo {
+	d.draftDatabaseInfoDo.ReplaceDB(db)
+	return d
+}
+
+type draftDatabaseInfoDo struct{ gen.DO }
+
+type IDraftDatabaseInfoDo interface {
+	gen.SubQuery
+	Debug() IDraftDatabaseInfoDo
+	WithContext(ctx context.Context) IDraftDatabaseInfoDo
+	WithResult(fc func(tx gen.Dao)) gen.ResultInfo
+	ReplaceDB(db *gorm.DB)
+	ReadDB() IDraftDatabaseInfoDo
+	WriteDB() IDraftDatabaseInfoDo
+	As(alias string) gen.Dao
+	Session(config *gorm.Session) IDraftDatabaseInfoDo
+	Columns(cols ...field.Expr) gen.Columns
+	Clauses(conds ...clause.Expression) IDraftDatabaseInfoDo
+	Not(conds ...gen.Condition) IDraftDatabaseInfoDo
+	Or(conds ...gen.Condition) IDraftDatabaseInfoDo
+	Select(conds ...field.Expr) IDraftDatabaseInfoDo
+	Where(conds ...gen.Condition) IDraftDatabaseInfoDo
+	Order(conds ...field.Expr) IDraftDatabaseInfoDo
+	Distinct(cols ...field.Expr) IDraftDatabaseInfoDo
+	Omit(cols ...field.Expr) IDraftDatabaseInfoDo
+	Join(table schema.Tabler, on ...field.Expr) IDraftDatabaseInfoDo
+	LeftJoin(table schema.Tabler, on ...field.Expr) IDraftDatabaseInfoDo
+	RightJoin(table schema.Tabler, on ...field.Expr) IDraftDatabaseInfoDo
+	Group(cols ...field.Expr) IDraftDatabaseInfoDo
+	Having(conds ...gen.Condition) IDraftDatabaseInfoDo
+	Limit(limit int) IDraftDatabaseInfoDo
+	Offset(offset int) IDraftDatabaseInfoDo
+	Count() (count int64, err error)
+	Scopes(funcs ...func(gen.Dao) gen.Dao) IDraftDatabaseInfoDo
+	Unscoped() IDraftDatabaseInfoDo
+	Create(values ...*model.DraftDatabaseInfo) error
+	CreateInBatches(values []*model.DraftDatabaseInfo, batchSize int) error
+	Save(values ...*model.DraftDatabaseInfo) error
+	First() (*model.DraftDatabaseInfo, error)
+	Take() (*model.DraftDatabaseInfo, error)
+	Last() (*model.DraftDatabaseInfo, error)
+	Find() ([]*model.DraftDatabaseInfo, error)
+	FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*model.DraftDatabaseInfo, err error)
+	FindInBatches(result *[]*model.DraftDatabaseInfo, batchSize int, fc func(tx gen.Dao, batch int) error) error
+	Pluck(column field.Expr, dest interface{}) error
+	Delete(...*model.DraftDatabaseInfo) (info gen.ResultInfo, err error)
+	Update(column field.Expr, value interface{}) (info gen.ResultInfo, err error)
+	UpdateSimple(columns ...field.AssignExpr) (info gen.ResultInfo, err error)
+	Updates(value interface{}) (info gen.ResultInfo, err error)
+	UpdateColumn(column field.Expr, value interface{}) (info gen.ResultInfo, err error)
+	UpdateColumnSimple(columns ...field.AssignExpr) (info gen.ResultInfo, err error)
+	UpdateColumns(value interface{}) (info gen.ResultInfo, err error)
+	UpdateFrom(q gen.SubQuery) gen.Dao
+	Attrs(attrs ...field.AssignExpr) IDraftDatabaseInfoDo
+	Assign(attrs ...field.AssignExpr) IDraftDatabaseInfoDo
+	Joins(fields ...field.RelationField) IDraftDatabaseInfoDo
+	Preload(fields ...field.RelationField) IDraftDatabaseInfoDo
+	FirstOrInit() (*model.DraftDatabaseInfo, error)
+	FirstOrCreate() (*model.DraftDatabaseInfo, error)
+	FindByPage(offset int, limit int) (result []*model.DraftDatabaseInfo, count int64, err error)
+	ScanByPage(result interface{}, offset int, limit int) (count int64, err error)
+	Scan(result interface{}) (err error)
+	Returning(value interface{}, columns ...string) IDraftDatabaseInfoDo
+	UnderlyingDB() *gorm.DB
+	schema.Tabler
+}
+
+func (d draftDatabaseInfoDo) Debug() IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Debug())
+}
+
+func (d draftDatabaseInfoDo) WithContext(ctx context.Context) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.WithContext(ctx))
+}
+
+func (d draftDatabaseInfoDo) ReadDB() IDraftDatabaseInfoDo {
+	return d.Clauses(dbresolver.Read)
+}
+
+func (d draftDatabaseInfoDo) WriteDB() IDraftDatabaseInfoDo {
+	return d.Clauses(dbresolver.Write)
+}
+
+func (d draftDatabaseInfoDo) Session(config *gorm.Session) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Session(config))
+}
+
+func (d draftDatabaseInfoDo) Clauses(conds ...clause.Expression) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Clauses(conds...))
+}
+
+func (d draftDatabaseInfoDo) Returning(value interface{}, columns ...string) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Returning(value, columns...))
+}
+
+func (d draftDatabaseInfoDo) Not(conds ...gen.Condition) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Not(conds...))
+}
+
+func (d draftDatabaseInfoDo) Or(conds ...gen.Condition) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Or(conds...))
+}
+
+func (d draftDatabaseInfoDo) Select(conds ...field.Expr) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Select(conds...))
+}
+
+func (d draftDatabaseInfoDo) Where(conds ...gen.Condition) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Where(conds...))
+}
+
+func (d draftDatabaseInfoDo) Order(conds ...field.Expr) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Order(conds...))
+}
+
+func (d draftDatabaseInfoDo) Distinct(cols ...field.Expr) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Distinct(cols...))
+}
+
+func (d draftDatabaseInfoDo) Omit(cols ...field.Expr) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Omit(cols...))
+}
+
+func (d draftDatabaseInfoDo) Join(table schema.Tabler, on ...field.Expr) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Join(table, on...))
+}
+
+func (d draftDatabaseInfoDo) LeftJoin(table schema.Tabler, on ...field.Expr) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.LeftJoin(table, on...))
+}
+
+func (d draftDatabaseInfoDo) RightJoin(table schema.Tabler, on ...field.Expr) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.RightJoin(table, on...))
+}
+
+func (d draftDatabaseInfoDo) Group(cols ...field.Expr) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Group(cols...))
+}
+
+func (d draftDatabaseInfoDo) Having(conds ...gen.Condition) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Having(conds...))
+}
+
+func (d draftDatabaseInfoDo) Limit(limit int) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Limit(limit))
+}
+
+func (d draftDatabaseInfoDo) Offset(offset int) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Offset(offset))
+}
+
+func (d draftDatabaseInfoDo) Scopes(funcs ...func(gen.Dao) gen.Dao) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Scopes(funcs...))
+}
+
+func (d draftDatabaseInfoDo) Unscoped() IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Unscoped())
+}
+
+func (d draftDatabaseInfoDo) Create(values ...*model.DraftDatabaseInfo) error {
+	if len(values) == 0 {
+		return nil
+	}
+	return d.DO.Create(values)
+}
+
+func (d draftDatabaseInfoDo) CreateInBatches(values []*model.DraftDatabaseInfo, batchSize int) error {
+	return d.DO.CreateInBatches(values, batchSize)
+}
+
+// Save : !!! underlying implementation is different with GORM
+// The method is equivalent to executing the statement: db.Clauses(clause.OnConflict{UpdateAll: true}).Create(values)
+func (d draftDatabaseInfoDo) Save(values ...*model.DraftDatabaseInfo) error {
+	if len(values) == 0 {
+		return nil
+	}
+	return d.DO.Save(values)
+}
+
+func (d draftDatabaseInfoDo) First() (*model.DraftDatabaseInfo, error) {
+	if result, err := d.DO.First(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.DraftDatabaseInfo), nil
+	}
+}
+
+func (d draftDatabaseInfoDo) Take() (*model.DraftDatabaseInfo, error) {
+	if result, err := d.DO.Take(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.DraftDatabaseInfo), nil
+	}
+}
+
+func (d draftDatabaseInfoDo) Last() (*model.DraftDatabaseInfo, error) {
+	if result, err := d.DO.Last(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.DraftDatabaseInfo), nil
+	}
+}
+
+func (d draftDatabaseInfoDo) Find() ([]*model.DraftDatabaseInfo, error) {
+	result, err := d.DO.Find()
+	return result.([]*model.DraftDatabaseInfo), err
+}
+
+func (d draftDatabaseInfoDo) FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*model.DraftDatabaseInfo, err error) {
+	buf := make([]*model.DraftDatabaseInfo, 0, batchSize)
+	err = d.DO.FindInBatches(&buf, batchSize, func(tx gen.Dao, batch int) error {
+		defer func() { results = append(results, buf...) }()
+		return fc(tx, batch)
+	})
+	return results, err
+}
+
+func (d draftDatabaseInfoDo) FindInBatches(result *[]*model.DraftDatabaseInfo, batchSize int, fc func(tx gen.Dao, batch int) error) error {
+	return d.DO.FindInBatches(result, batchSize, fc)
+}
+
+func (d draftDatabaseInfoDo) Attrs(attrs ...field.AssignExpr) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Attrs(attrs...))
+}
+
+func (d draftDatabaseInfoDo) Assign(attrs ...field.AssignExpr) IDraftDatabaseInfoDo {
+	return d.withDO(d.DO.Assign(attrs...))
+}
+
+func (d draftDatabaseInfoDo) Joins(fields ...field.RelationField) IDraftDatabaseInfoDo {
+	for _, _f := range fields {
+		d = *d.withDO(d.DO.Joins(_f))
+	}
+	return &d
+}
+
+func (d draftDatabaseInfoDo) Preload(fields ...field.RelationField) IDraftDatabaseInfoDo {
+	for _, _f := range fields {
+		d = *d.withDO(d.DO.Preload(_f))
+	}
+	return &d
+}
+
+func (d draftDatabaseInfoDo) FirstOrInit() (*model.DraftDatabaseInfo, error) {
+	if result, err := d.DO.FirstOrInit(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.DraftDatabaseInfo), nil
+	}
+}
+
+func (d draftDatabaseInfoDo) FirstOrCreate() (*model.DraftDatabaseInfo, error) {
+	if result, err := d.DO.FirstOrCreate(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.DraftDatabaseInfo), nil
+	}
+}
+
+func (d draftDatabaseInfoDo) FindByPage(offset int, limit int) (result []*model.DraftDatabaseInfo, count int64, err error) {
+	result, err = d.Offset(offset).Limit(limit).Find()
+	if err != nil {
+		return
+	}
+
+	if size := len(result); 0 < limit && 0 < size && size < limit {
+		count = int64(size + offset)
+		return
+	}
+
+	count, err = d.Offset(-1).Limit(-1).Count()
+	return
+}
+
+func (d draftDatabaseInfoDo) ScanByPage(result interface{}, offset int, limit int) (count int64, err error) {
+	count, err = d.Count()
+	if err != nil {
+		return
+	}
+
+	err = d.Offset(offset).Limit(limit).Scan(result)
+	return
+}
+
+func (d draftDatabaseInfoDo) Scan(result interface{}) (err error) {
+	return d.DO.Scan(result)
+}
+
+func (d draftDatabaseInfoDo) Delete(models ...*model.DraftDatabaseInfo) (result gen.ResultInfo, err error) {
+	return d.DO.Delete(models)
+}
+
+func (d *draftDatabaseInfoDo) withDO(do gen.Dao) *draftDatabaseInfoDo {
+	d.DO = *do.(*gen.DO)
+	return d
+}

backend/domain/memory/database/internal/dal/query/gen.go

@@ -0,0 +1,119 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package query
+
+import (
+	"context"
+	"database/sql"
+
+	"gorm.io/gorm"
+
+	"gorm.io/gen"
+
+	"gorm.io/plugin/dbresolver"
+)
+
+var (
+	Q                  = new(Query)
+	AgentToDatabase    *agentToDatabase
+	DraftDatabaseInfo  *draftDatabaseInfo
+	OnlineDatabaseInfo *onlineDatabaseInfo
+)
+
+func SetDefault(db *gorm.DB, opts ...gen.DOOption) {
+	*Q = *Use(db, opts...)
+	AgentToDatabase = &Q.AgentToDatabase
+	DraftDatabaseInfo = &Q.DraftDatabaseInfo
+	OnlineDatabaseInfo = &Q.OnlineDatabaseInfo
+}
+
+func Use(db *gorm.DB, opts ...gen.DOOption) *Query {
+	return &Query{
+		db:                 db,
+		AgentToDatabase:    newAgentToDatabase(db, opts...),
+		DraftDatabaseInfo:  newDraftDatabaseInfo(db, opts...),
+		OnlineDatabaseInfo: newOnlineDatabaseInfo(db, opts...),
+	}
+}
+
+type Query struct {
+	db *gorm.DB
+
+	AgentToDatabase    agentToDatabase
+	DraftDatabaseInfo  draftDatabaseInfo
+	OnlineDatabaseInfo onlineDatabaseInfo
+}
+
+func (q *Query) Available() bool { return q.db != nil }
+
+func (q *Query) clone(db *gorm.DB) *Query {
+	return &Query{
+		db:                 db,
+		AgentToDatabase:    q.AgentToDatabase.clone(db),
+		DraftDatabaseInfo:  q.DraftDatabaseInfo.clone(db),
+		OnlineDatabaseInfo: q.OnlineDatabaseInfo.clone(db),
+	}
+}
+
+func (q *Query) ReadDB() *Query {
+	return q.ReplaceDB(q.db.Clauses(dbresolver.Read))
+}
+
+func (q *Query) WriteDB() *Query {
+	return q.ReplaceDB(q.db.Clauses(dbresolver.Write))
+}
+
+func (q *Query) ReplaceDB(db *gorm.DB) *Query {
+	return &Query{
+		db:                 db,
+		AgentToDatabase:    q.AgentToDatabase.replaceDB(db),
+		DraftDatabaseInfo:  q.DraftDatabaseInfo.replaceDB(db),
+		OnlineDatabaseInfo: q.OnlineDatabaseInfo.replaceDB(db),
+	}
+}
+
+type queryCtx struct {
+	AgentToDatabase    IAgentToDatabaseDo
+	DraftDatabaseInfo  IDraftDatabaseInfoDo
+	OnlineDatabaseInfo IOnlineDatabaseInfoDo
+}
+
+func (q *Query) WithContext(ctx context.Context) *queryCtx {
+	return &queryCtx{
+		AgentToDatabase:    q.AgentToDatabase.WithContext(ctx),
+		DraftDatabaseInfo:  q.DraftDatabaseInfo.WithContext(ctx),
+		OnlineDatabaseInfo: q.OnlineDatabaseInfo.WithContext(ctx),
+	}
+}
+
+func (q *Query) Transaction(fc func(tx *Query) error, opts ...*sql.TxOptions) error {
+	return q.db.Transaction(func(tx *gorm.DB) error { return fc(q.clone(tx)) }, opts...)
+}
+
+func (q *Query) Begin(opts ...*sql.TxOptions) *QueryTx {
+	tx := q.db.Begin(opts...)
+	return &QueryTx{Query: q.clone(tx), Error: tx.Error}
+}
+
+type QueryTx struct {
+	*Query
+	Error error
+}
+
+func (q *QueryTx) Commit() error {
+	return q.db.Commit().Error
+}
+
+func (q *QueryTx) Rollback() error {
+	return q.db.Rollback().Error
+}
+
+func (q *QueryTx) SavePoint(name string) error {
+	return q.db.SavePoint(name).Error
+}
+
+func (q *QueryTx) RollbackTo(name string) error {
+	return q.db.RollbackTo(name).Error
+}

backend/domain/memory/database/internal/dal/query/online_database_info.gen.go

@@ -0,0 +1,441 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package query
+
+import (
+	"context"
+
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+	"gorm.io/gorm/schema"
+
+	"gorm.io/gen"
+	"gorm.io/gen/field"
+
+	"gorm.io/plugin/dbresolver"
+
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/internal/dal/model"
+)
+
+func newOnlineDatabaseInfo(db *gorm.DB, opts ...gen.DOOption) onlineDatabaseInfo {
+	_onlineDatabaseInfo := onlineDatabaseInfo{}
+
+	_onlineDatabaseInfo.onlineDatabaseInfoDo.UseDB(db, opts...)
+	_onlineDatabaseInfo.onlineDatabaseInfoDo.UseModel(&model.OnlineDatabaseInfo{})
+
+	tableName := _onlineDatabaseInfo.onlineDatabaseInfoDo.TableName()
+	_onlineDatabaseInfo.ALL = field.NewAsterisk(tableName)
+	_onlineDatabaseInfo.ID = field.NewInt64(tableName, "id")
+	_onlineDatabaseInfo.AppID = field.NewInt64(tableName, "app_id")
+	_onlineDatabaseInfo.SpaceID = field.NewInt64(tableName, "space_id")
+	_onlineDatabaseInfo.RelatedDraftID = field.NewInt64(tableName, "related_draft_id")
+	_onlineDatabaseInfo.IsVisible = field.NewInt32(tableName, "is_visible")
+	_onlineDatabaseInfo.PromptDisabled = field.NewInt32(tableName, "prompt_disabled")
+	_onlineDatabaseInfo.TableName_ = field.NewString(tableName, "table_name")
+	_onlineDatabaseInfo.TableDesc = field.NewString(tableName, "table_desc")
+	_onlineDatabaseInfo.TableField = field.NewField(tableName, "table_field")
+	_onlineDatabaseInfo.CreatorID = field.NewInt64(tableName, "creator_id")
+	_onlineDatabaseInfo.IconURI = field.NewString(tableName, "icon_uri")
+	_onlineDatabaseInfo.PhysicalTableName = field.NewString(tableName, "physical_table_name")
+	_onlineDatabaseInfo.RwMode = field.NewInt64(tableName, "rw_mode")
+	_onlineDatabaseInfo.CreatedAt = field.NewInt64(tableName, "created_at")
+	_onlineDatabaseInfo.UpdatedAt = field.NewInt64(tableName, "updated_at")
+	_onlineDatabaseInfo.DeletedAt = field.NewField(tableName, "deleted_at")
+
+	_onlineDatabaseInfo.fillFieldMap()
+
+	return _onlineDatabaseInfo
+}
+
+// onlineDatabaseInfo online database info
+type onlineDatabaseInfo struct {
+	onlineDatabaseInfoDo
+
+	ALL               field.Asterisk
+	ID                field.Int64  // ID
+	AppID             field.Int64  // App ID
+	SpaceID           field.Int64  // Space ID
+	RelatedDraftID    field.Int64  // The primary key ID of draft_database_info table
+	IsVisible         field.Int32  // Visibility: 0 invisible, 1 visible
+	PromptDisabled    field.Int32  // Support prompt calls: 1 not supported, 0 supported
+	TableName_        field.String // Table name
+	TableDesc         field.String // Table description
+	TableField        field.Field  // Table field info
+	CreatorID         field.Int64  // Creator ID
+	IconURI           field.String // Icon Uri
+	PhysicalTableName field.String // The name of the real physical table
+	RwMode            field.Int64  // Read and write permission modes: 1. Limited read and write mode 2. Read-only mode 3. Full read and write mode
+	CreatedAt         field.Int64  // Create Time in Milliseconds
+	UpdatedAt         field.Int64  // Update Time in Milliseconds
+	DeletedAt         field.Field  // Delete Time
+
+	fieldMap map[string]field.Expr
+}
+
+func (o onlineDatabaseInfo) Table(newTableName string) *onlineDatabaseInfo {
+	o.onlineDatabaseInfoDo.UseTable(newTableName)
+	return o.updateTableName(newTableName)
+}
+
+func (o onlineDatabaseInfo) As(alias string) *onlineDatabaseInfo {
+	o.onlineDatabaseInfoDo.DO = *(o.onlineDatabaseInfoDo.As(alias).(*gen.DO))
+	return o.updateTableName(alias)
+}
+
+func (o *onlineDatabaseInfo) updateTableName(table string) *onlineDatabaseInfo {
+	o.ALL = field.NewAsterisk(table)
+	o.ID = field.NewInt64(table, "id")
+	o.AppID = field.NewInt64(table, "app_id")
+	o.SpaceID = field.NewInt64(table, "space_id")
+	o.RelatedDraftID = field.NewInt64(table, "related_draft_id")
+	o.IsVisible = field.NewInt32(table, "is_visible")
+	o.PromptDisabled = field.NewInt32(table, "prompt_disabled")
+	o.TableName_ = field.NewString(table, "table_name")
+	o.TableDesc = field.NewString(table, "table_desc")
+	o.TableField = field.NewField(table, "table_field")
+	o.CreatorID = field.NewInt64(table, "creator_id")
+	o.IconURI = field.NewString(table, "icon_uri")
+	o.PhysicalTableName = field.NewString(table, "physical_table_name")
+	o.RwMode = field.NewInt64(table, "rw_mode")
+	o.CreatedAt = field.NewInt64(table, "created_at")
+	o.UpdatedAt = field.NewInt64(table, "updated_at")
+	o.DeletedAt = field.NewField(table, "deleted_at")
+
+	o.fillFieldMap()
+
+	return o
+}
+
+func (o *onlineDatabaseInfo) GetFieldByName(fieldName string) (field.OrderExpr, bool) {
+	_f, ok := o.fieldMap[fieldName]
+	if !ok || _f == nil {
+		return nil, false
+	}
+	_oe, ok := _f.(field.OrderExpr)
+	return _oe, ok
+}
+
+func (o *onlineDatabaseInfo) fillFieldMap() {
+	o.fieldMap = make(map[string]field.Expr, 16)
+	o.fieldMap["id"] = o.ID
+	o.fieldMap["app_id"] = o.AppID
+	o.fieldMap["space_id"] = o.SpaceID
+	o.fieldMap["related_draft_id"] = o.RelatedDraftID
+	o.fieldMap["is_visible"] = o.IsVisible
+	o.fieldMap["prompt_disabled"] = o.PromptDisabled
+	o.fieldMap["table_name"] = o.TableName_
+	o.fieldMap["table_desc"] = o.TableDesc
+	o.fieldMap["table_field"] = o.TableField
+	o.fieldMap["creator_id"] = o.CreatorID
+	o.fieldMap["icon_uri"] = o.IconURI
+	o.fieldMap["physical_table_name"] = o.PhysicalTableName
+	o.fieldMap["rw_mode"] = o.RwMode
+	o.fieldMap["created_at"] = o.CreatedAt
+	o.fieldMap["updated_at"] = o.UpdatedAt
+	o.fieldMap["deleted_at"] = o.DeletedAt
+}
+
+func (o onlineDatabaseInfo) clone(db *gorm.DB) onlineDatabaseInfo {
+	o.onlineDatabaseInfoDo.ReplaceConnPool(db.Statement.ConnPool)
+	return o
+}
+
+func (o onlineDatabaseInfo) replaceDB(db *gorm.DB) onlineDatabaseInfo {
+	o.onlineDatabaseInfoDo.ReplaceDB(db)
+	return o
+}
+
+type onlineDatabaseInfoDo struct{ gen.DO }
+
+type IOnlineDatabaseInfoDo interface {
+	gen.SubQuery
+	Debug() IOnlineDatabaseInfoDo
+	WithContext(ctx context.Context) IOnlineDatabaseInfoDo
+	WithResult(fc func(tx gen.Dao)) gen.ResultInfo
+	ReplaceDB(db *gorm.DB)
+	ReadDB() IOnlineDatabaseInfoDo
+	WriteDB() IOnlineDatabaseInfoDo
+	As(alias string) gen.Dao
+	Session(config *gorm.Session) IOnlineDatabaseInfoDo
+	Columns(cols ...field.Expr) gen.Columns
+	Clauses(conds ...clause.Expression) IOnlineDatabaseInfoDo
+	Not(conds ...gen.Condition) IOnlineDatabaseInfoDo
+	Or(conds ...gen.Condition) IOnlineDatabaseInfoDo
+	Select(conds ...field.Expr) IOnlineDatabaseInfoDo
+	Where(conds ...gen.Condition) IOnlineDatabaseInfoDo
+	Order(conds ...field.Expr) IOnlineDatabaseInfoDo
+	Distinct(cols ...field.Expr) IOnlineDatabaseInfoDo
+	Omit(cols ...field.Expr) IOnlineDatabaseInfoDo
+	Join(table schema.Tabler, on ...field.Expr) IOnlineDatabaseInfoDo
+	LeftJoin(table schema.Tabler, on ...field.Expr) IOnlineDatabaseInfoDo
+	RightJoin(table schema.Tabler, on ...field.Expr) IOnlineDatabaseInfoDo
+	Group(cols ...field.Expr) IOnlineDatabaseInfoDo
+	Having(conds ...gen.Condition) IOnlineDatabaseInfoDo
+	Limit(limit int) IOnlineDatabaseInfoDo
+	Offset(offset int) IOnlineDatabaseInfoDo
+	Count() (count int64, err error)
+	Scopes(funcs ...func(gen.Dao) gen.Dao) IOnlineDatabaseInfoDo
+	Unscoped() IOnlineDatabaseInfoDo
+	Create(values ...*model.OnlineDatabaseInfo) error
+	CreateInBatches(values []*model.OnlineDatabaseInfo, batchSize int) error
+	Save(values ...*model.OnlineDatabaseInfo) error
+	First() (*model.OnlineDatabaseInfo, error)
+	Take() (*model.OnlineDatabaseInfo, error)
+	Last() (*model.OnlineDatabaseInfo, error)
+	Find() ([]*model.OnlineDatabaseInfo, error)
+	FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*model.OnlineDatabaseInfo, err error)
+	FindInBatches(result *[]*model.OnlineDatabaseInfo, batchSize int, fc func(tx gen.Dao, batch int) error) error
+	Pluck(column field.Expr, dest interface{}) error
+	Delete(...*model.OnlineDatabaseInfo) (info gen.ResultInfo, err error)
+	Update(column field.Expr, value interface{}) (info gen.ResultInfo, err error)
+	UpdateSimple(columns ...field.AssignExpr) (info gen.ResultInfo, err error)
+	Updates(value interface{}) (info gen.ResultInfo, err error)
+	UpdateColumn(column field.Expr, value interface{}) (info gen.ResultInfo, err error)
+	UpdateColumnSimple(columns ...field.AssignExpr) (info gen.ResultInfo, err error)
+	UpdateColumns(value interface{}) (info gen.ResultInfo, err error)
+	UpdateFrom(q gen.SubQuery) gen.Dao
+	Attrs(attrs ...field.AssignExpr) IOnlineDatabaseInfoDo
+	Assign(attrs ...field.AssignExpr) IOnlineDatabaseInfoDo
+	Joins(fields ...field.RelationField) IOnlineDatabaseInfoDo
+	Preload(fields ...field.RelationField) IOnlineDatabaseInfoDo
+	FirstOrInit() (*model.OnlineDatabaseInfo, error)
+	FirstOrCreate() (*model.OnlineDatabaseInfo, error)
+	FindByPage(offset int, limit int) (result []*model.OnlineDatabaseInfo, count int64, err error)
+	ScanByPage(result interface{}, offset int, limit int) (count int64, err error)
+	Scan(result interface{}) (err error)
+	Returning(value interface{}, columns ...string) IOnlineDatabaseInfoDo
+	UnderlyingDB() *gorm.DB
+	schema.Tabler
+}
+
+func (o onlineDatabaseInfoDo) Debug() IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Debug())
+}
+
+func (o onlineDatabaseInfoDo) WithContext(ctx context.Context) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.WithContext(ctx))
+}
+
+func (o onlineDatabaseInfoDo) ReadDB() IOnlineDatabaseInfoDo {
+	return o.Clauses(dbresolver.Read)
+}
+
+func (o onlineDatabaseInfoDo) WriteDB() IOnlineDatabaseInfoDo {
+	return o.Clauses(dbresolver.Write)
+}
+
+func (o onlineDatabaseInfoDo) Session(config *gorm.Session) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Session(config))
+}
+
+func (o onlineDatabaseInfoDo) Clauses(conds ...clause.Expression) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Clauses(conds...))
+}
+
+func (o onlineDatabaseInfoDo) Returning(value interface{}, columns ...string) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Returning(value, columns...))
+}
+
+func (o onlineDatabaseInfoDo) Not(conds ...gen.Condition) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Not(conds...))
+}
+
+func (o onlineDatabaseInfoDo) Or(conds ...gen.Condition) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Or(conds...))
+}
+
+func (o onlineDatabaseInfoDo) Select(conds ...field.Expr) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Select(conds...))
+}
+
+func (o onlineDatabaseInfoDo) Where(conds ...gen.Condition) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Where(conds...))
+}
+
+func (o onlineDatabaseInfoDo) Order(conds ...field.Expr) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Order(conds...))
+}
+
+func (o onlineDatabaseInfoDo) Distinct(cols ...field.Expr) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Distinct(cols...))
+}
+
+func (o onlineDatabaseInfoDo) Omit(cols ...field.Expr) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Omit(cols...))
+}
+
+func (o onlineDatabaseInfoDo) Join(table schema.Tabler, on ...field.Expr) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Join(table, on...))
+}
+
+func (o onlineDatabaseInfoDo) LeftJoin(table schema.Tabler, on ...field.Expr) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.LeftJoin(table, on...))
+}
+
+func (o onlineDatabaseInfoDo) RightJoin(table schema.Tabler, on ...field.Expr) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.RightJoin(table, on...))
+}
+
+func (o onlineDatabaseInfoDo) Group(cols ...field.Expr) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Group(cols...))
+}
+
+func (o onlineDatabaseInfoDo) Having(conds ...gen.Condition) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Having(conds...))
+}
+
+func (o onlineDatabaseInfoDo) Limit(limit int) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Limit(limit))
+}
+
+func (o onlineDatabaseInfoDo) Offset(offset int) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Offset(offset))
+}
+
+func (o onlineDatabaseInfoDo) Scopes(funcs ...func(gen.Dao) gen.Dao) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Scopes(funcs...))
+}
+
+func (o onlineDatabaseInfoDo) Unscoped() IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Unscoped())
+}
+
+func (o onlineDatabaseInfoDo) Create(values ...*model.OnlineDatabaseInfo) error {
+	if len(values) == 0 {
+		return nil
+	}
+	return o.DO.Create(values)
+}
+
+func (o onlineDatabaseInfoDo) CreateInBatches(values []*model.OnlineDatabaseInfo, batchSize int) error {
+	return o.DO.CreateInBatches(values, batchSize)
+}
+
+// Save : !!! underlying implementation is different with GORM
+// The method is equivalent to executing the statement: db.Clauses(clause.OnConflict{UpdateAll: true}).Create(values)
+func (o onlineDatabaseInfoDo) Save(values ...*model.OnlineDatabaseInfo) error {
+	if len(values) == 0 {
+		return nil
+	}
+	return o.DO.Save(values)
+}
+
+func (o onlineDatabaseInfoDo) First() (*model.OnlineDatabaseInfo, error) {
+	if result, err := o.DO.First(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.OnlineDatabaseInfo), nil
+	}
+}
+
+func (o onlineDatabaseInfoDo) Take() (*model.OnlineDatabaseInfo, error) {
+	if result, err := o.DO.Take(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.OnlineDatabaseInfo), nil
+	}
+}
+
+func (o onlineDatabaseInfoDo) Last() (*model.OnlineDatabaseInfo, error) {
+	if result, err := o.DO.Last(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.OnlineDatabaseInfo), nil
+	}
+}
+
+func (o onlineDatabaseInfoDo) Find() ([]*model.OnlineDatabaseInfo, error) {
+	result, err := o.DO.Find()
+	return result.([]*model.OnlineDatabaseInfo), err
+}
+
+func (o onlineDatabaseInfoDo) FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*model.OnlineDatabaseInfo, err error) {
+	buf := make([]*model.OnlineDatabaseInfo, 0, batchSize)
+	err = o.DO.FindInBatches(&buf, batchSize, func(tx gen.Dao, batch int) error {
+		defer func() { results = append(results, buf...) }()
+		return fc(tx, batch)
+	})
+	return results, err
+}
+
+func (o onlineDatabaseInfoDo) FindInBatches(result *[]*model.OnlineDatabaseInfo, batchSize int, fc func(tx gen.Dao, batch int) error) error {
+	return o.DO.FindInBatches(result, batchSize, fc)
+}
+
+func (o onlineDatabaseInfoDo) Attrs(attrs ...field.AssignExpr) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Attrs(attrs...))
+}
+
+func (o onlineDatabaseInfoDo) Assign(attrs ...field.AssignExpr) IOnlineDatabaseInfoDo {
+	return o.withDO(o.DO.Assign(attrs...))
+}
+
+func (o onlineDatabaseInfoDo) Joins(fields ...field.RelationField) IOnlineDatabaseInfoDo {
+	for _, _f := range fields {
+		o = *o.withDO(o.DO.Joins(_f))
+	}
+	return &o
+}
+
+func (o onlineDatabaseInfoDo) Preload(fields ...field.RelationField) IOnlineDatabaseInfoDo {
+	for _, _f := range fields {
+		o = *o.withDO(o.DO.Preload(_f))
+	}
+	return &o
+}
+
+func (o onlineDatabaseInfoDo) FirstOrInit() (*model.OnlineDatabaseInfo, error) {
+	if result, err := o.DO.FirstOrInit(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.OnlineDatabaseInfo), nil
+	}
+}
+
+func (o onlineDatabaseInfoDo) FirstOrCreate() (*model.OnlineDatabaseInfo, error) {
+	if result, err := o.DO.FirstOrCreate(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.OnlineDatabaseInfo), nil
+	}
+}
+
+func (o onlineDatabaseInfoDo) FindByPage(offset int, limit int) (result []*model.OnlineDatabaseInfo, count int64, err error) {
+	result, err = o.Offset(offset).Limit(limit).Find()
+	if err != nil {
+		return
+	}
+
+	if size := len(result); 0 < limit && 0 < size && size < limit {
+		count = int64(size + offset)
+		return
+	}
+
+	count, err = o.Offset(-1).Limit(-1).Count()
+	return
+}
+
+func (o onlineDatabaseInfoDo) ScanByPage(result interface{}, offset int, limit int) (count int64, err error) {
+	count, err = o.Count()
+	if err != nil {
+		return
+	}
+
+	err = o.Offset(offset).Limit(limit).Scan(result)
+	return
+}
+
+func (o onlineDatabaseInfoDo) Scan(result interface{}) (err error) {
+	return o.DO.Scan(result)
+}
+
+func (o onlineDatabaseInfoDo) Delete(models ...*model.OnlineDatabaseInfo) (result gen.ResultInfo, err error) {
+	return o.DO.Delete(models)
+}
+
+func (o *onlineDatabaseInfoDo) withDO(do gen.Dao) *onlineDatabaseInfoDo {
+	o.DO = *do.(*gen.DO)
+	return o
+}

backend/domain/memory/database/internal/physicaltable/physical.go

@@ -0,0 +1,344 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package physicaltable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/database"
+	model "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/database"
+	"github.com/coze-dev/coze-studio/backend/api/model/table"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/internal/convertor"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/rdb"
+	entity3 "github.com/coze-dev/coze-studio/backend/infra/contract/rdb/entity"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+)
+
+func CreatePhysicalTable(ctx context.Context, db rdb.RDB, columns []*entity3.Column) (*rdb.CreateTableResponse, error) {
+	table := &entity3.Table{
+		Columns: columns,
+	}
+	// get indexes
+	indexes := make([]*entity3.Index, 0)
+	indexes = append(indexes, &entity3.Index{
+		Name:    "PRIMARY",
+		Type:    entity3.PrimaryKey,
+		Columns: []string{database.DefaultIDColName},
+	})
+	indexes = append(indexes, &entity3.Index{
+		Name:    "idx_uid",
+		Type:    entity3.NormalKey,
+		Columns: []string{database.DefaultUidColName, database.DefaultCidColName},
+	})
+	table.Indexes = indexes
+
+	physicalTableRes, err := db.CreateTable(ctx, &rdb.CreateTableRequest{Table: table})
+	if err != nil {
+		return nil, err
+	}
+
+	return physicalTableRes, nil
+}
+
+func CreateFieldInfo(fieldItems []*model.FieldItem) ([]*model.FieldItem, []*entity3.Column) {
+	columns := make([]*entity3.Column, len(fieldItems))
+
+	fieldID := int64(1)
+	for i, field := range fieldItems {
+		field.AlterID = fieldID
+		field.PhysicalName = GetFieldPhysicsName(fieldID)
+
+		columns[i] = &entity3.Column{
+			Name:     GetFieldPhysicsName(fieldID),
+			DataType: convertor.SwitchToDataType(field.Type),
+			NotNull:  field.MustRequired,
+			Comment:  &field.Desc,
+		}
+
+		if field.Type == table.FieldItemType_Text && !field.MustRequired {
+			columns[i].DefaultValue = ptr.Of("")
+		}
+
+		fieldID++ // field is incremented begin from 1
+	}
+
+	columns = append(columns, GetDefaultColumns()...)
+
+	return fieldItems, columns
+}
+
+func GetDefaultColumns() []*entity3.Column {
+	return getDefaultColumns()
+}
+
+func getDefaultColumns() []*entity3.Column {
+	return []*entity3.Column{
+		{
+			Name:          database.DefaultIDColName,
+			DataType:      entity3.TypeBigInt,
+			NotNull:       true,
+			AutoIncrement: true,
+		},
+		{
+			Name:     database.DefaultUidColName,
+			DataType: entity3.TypeVarchar,
+			NotNull:  true,
+		},
+		{
+			Name:     database.DefaultCidColName,
+			DataType: entity3.TypeVarchar,
+			NotNull:  true,
+		},
+		{
+			Name:         database.DefaultCreateTimeColName,
+			DataType:     entity3.TypeTimestamp,
+			NotNull:      true,
+			DefaultValue: ptr.Of("CURRENT_TIMESTAMP"),
+		},
+	}
+}
+
+func GetTablePhysicsName(tableID int64) string {
+	return fmt.Sprintf("table_%d", tableID)
+}
+
+func GetFieldPhysicsName(fieldID int64) string {
+	return fmt.Sprintf("f_%d", fieldID)
+}
+
+// UpdateFieldInfo handles field information updates.
+// 1. If alterID exists, use alterID to update existing fields.
+// 2. If alterID does not exist, add new fields.
+// 3. Delete fields that have alterIDs not present in the new list.
+func UpdateFieldInfo(newFieldItems []*database.FieldItem, existingFieldItems []*database.FieldItem) ([]*database.FieldItem, []*entity3.Column, []string, error) {
+	existingFieldMap := make(map[int64]*database.FieldItem)
+	maxAlterID := int64(-1)
+	for _, field := range existingFieldItems {
+		if field.AlterID > 0 {
+			existingFieldMap[field.AlterID] = field
+			maxAlterID = max(maxAlterID, field.AlterID)
+		}
+	}
+
+	newFieldIDs := make(map[int64]bool)
+
+	updatedColumns := make([]*entity3.Column, 0, len(newFieldItems))
+	updatedFieldItems := make([]*database.FieldItem, 0, len(newFieldItems))
+
+	for _, field := range newFieldItems {
+		if field.AlterID > 0 {
+			// update field
+			newFieldIDs[field.AlterID] = true
+			field.PhysicalName = GetFieldPhysicsName(field.AlterID)
+			updatedFieldItems = append(updatedFieldItems, field)
+
+			updatedColumns = append(updatedColumns, &entity3.Column{
+				Name:     GetFieldPhysicsName(field.AlterID),
+				DataType: convertor.SwitchToDataType(field.Type),
+				NotNull:  field.MustRequired,
+				Comment:  &field.Desc,
+			})
+		} else {
+			fieldID := maxAlterID + 1 // auto increment begin from existing maxAlterID
+			maxAlterID++
+			field.AlterID = fieldID
+			field.PhysicalName = GetFieldPhysicsName(fieldID)
+			updatedFieldItems = append(updatedFieldItems, field)
+
+			updatedColumns = append(updatedColumns, &entity3.Column{
+				Name:     GetFieldPhysicsName(fieldID),
+				DataType: convertor.SwitchToDataType(field.Type),
+				NotNull:  field.MustRequired,
+				Comment:  &field.Desc,
+			})
+		}
+	}
+
+	droppedColumns := make([]string, 0, len(existingFieldMap))
+	// get dropped columns
+	for alterID := range existingFieldMap {
+		if !newFieldIDs[alterID] {
+			droppedColumns = append(droppedColumns, GetFieldPhysicsName(alterID))
+		}
+	}
+
+	return updatedFieldItems, updatedColumns, droppedColumns, nil
+}
+
+// UpdatePhysicalTableWithDrops 更新物理表结构，包括显式指定要删除的列
+func UpdatePhysicalTableWithDrops(ctx context.Context, db rdb.RDB, existingTable *entity3.Table, newColumns []*entity3.Column, droppedColumns []string, tableName string) error {
+	// 创建列名到列的映射
+	existingColumnMap := make(map[string]*entity3.Column)
+	for _, col := range existingTable.Columns {
+		existingColumnMap[col.Name] = col
+	}
+
+	// 收集要添加和修改的列
+	var columnsToAdd, columnsToModify []*entity3.Column
+
+	// 查找要添加和修改的列
+	for _, newCol := range newColumns {
+		if _, exists := existingColumnMap[newCol.Name]; exists {
+			columnsToModify = append(columnsToModify, newCol)
+		} else {
+			columnsToAdd = append(columnsToAdd, newCol)
+		}
+	}
+
+	// 应用变更到物理表
+	if len(columnsToAdd) > 0 || len(columnsToModify) > 0 || len(droppedColumns) > 0 {
+		// build AlterTableRequest
+		alterReq := &rdb.AlterTableRequest{
+			TableName:  tableName,
+			Operations: getOperation(columnsToAdd, columnsToModify, droppedColumns),
+		}
+
+		// 执行表结构变更
+		_, err := db.AlterTable(ctx, alterReq)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// getOperation 将列的添加、修改和删除操作转换为 AlterTableOperation 数组
+func getOperation(columnsToAdd, columnsToModify []*entity3.Column, droppedColumns []string) []*rdb.AlterTableOperation {
+	operations := make([]*rdb.AlterTableOperation, 0)
+
+	// 处理添加列操作
+	for _, column := range columnsToAdd {
+		operations = append(operations, &rdb.AlterTableOperation{
+			Action: entity3.AddColumn,
+			Column: column,
+		})
+	}
+
+	// 处理修改列操作
+	for _, column := range columnsToModify {
+		operations = append(operations, &rdb.AlterTableOperation{
+			Action: entity3.ModifyColumn,
+			Column: column,
+		})
+	}
+
+	// 处理删除列操作
+	for _, columnName := range droppedColumns {
+		operations = append(operations, &rdb.AlterTableOperation{
+			Action: entity3.DropColumn,
+			Column: &entity3.Column{Name: columnName},
+		})
+	}
+
+	return operations
+}
+
+func GetTemplateTypeMap() map[table.FieldItemType]string {
+	return map[table.FieldItemType]string{
+		table.FieldItemType_Boolean: "false",
+		table.FieldItemType_Number:  "0",
+		table.FieldItemType_Date:    "0001-01-01 00:00:00",
+		table.FieldItemType_Text:    "",
+		table.FieldItemType_Float:   "0",
+	}
+}
+
+func GetCreateTimeField() *database.FieldItem {
+	return &database.FieldItem{
+		Name:          database.DefaultCreateTimeColName,
+		Desc:          "create time",
+		Type:          table.FieldItemType_Date,
+		MustRequired:  false,
+		IsSystemField: true,
+		AlterID:       103,
+		PhysicalName:  database.DefaultCreateTimeColName,
+	}
+}
+
+func GetUidField() *database.FieldItem {
+	return &database.FieldItem{
+		Name:          database.DefaultUidColName,
+		Desc:          "user id",
+		Type:          table.FieldItemType_Text,
+		MustRequired:  false,
+		IsSystemField: true,
+		AlterID:       101,
+		PhysicalName:  database.DefaultUidColName,
+	}
+}
+
+func GetConnectIDField() *database.FieldItem {
+	return &database.FieldItem{
+		Name:          database.DefaultCidColName,
+		Desc:          "connector id",
+		Type:          table.FieldItemType_Text,
+		MustRequired:  false,
+		IsSystemField: true,
+		AlterID:       104,
+		PhysicalName:  database.DefaultCidColName,
+	}
+}
+
+func GetIDField() *database.FieldItem {
+	return &database.FieldItem{
+		Name:          database.DefaultIDColName,
+		Desc:          "primary_key",
+		Type:          table.FieldItemType_Number,
+		MustRequired:  false,
+		IsSystemField: true,
+		AlterID:       102,
+		PhysicalName:  database.DefaultIDColName,
+	}
+}
+
+func GetDisplayCreateTimeField() *database.FieldItem {
+	return &database.FieldItem{
+		Name:          database.DefaultCreateTimeDisplayColName,
+		Desc:          "create time",
+		Type:          table.FieldItemType_Date,
+		MustRequired:  false,
+		IsSystemField: true,
+		AlterID:       103,
+		PhysicalName:  database.DefaultCreateTimeDisplayColName,
+	}
+}
+
+func GetDisplayUidField() *database.FieldItem {
+	return &database.FieldItem{
+		Name:          database.DefaultUidDisplayColName,
+		Desc:          "user id",
+		Type:          table.FieldItemType_Text,
+		MustRequired:  false,
+		IsSystemField: true,
+		AlterID:       101,
+		PhysicalName:  database.DefaultUidDisplayColName,
+	}
+}
+
+func GetDisplayIDField() *database.FieldItem {
+	return &database.FieldItem{
+		Name:          database.DefaultIDDisplayColName,
+		Desc:          "primary_key",
+		Type:          table.FieldItemType_Number,
+		MustRequired:  false,
+		IsSystemField: true,
+		AlterID:       102,
+		PhysicalName:  database.DefaultIDDisplayColName,
+	}
+}

backend/domain/memory/database/internal/sheet/sheet.go

@@ -0,0 +1,738 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sheet
+
+import (
+	"bytes"
+	"context"
+	"encoding/csv"
+	"fmt"
+	"io"
+	"math/rand"
+	"os"
+	"regexp"
+	"runtime/debug"
+	"sort"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/extrame/xls"
+	"github.com/xuri/excelize/v2"
+
+	"github.com/coze-dev/coze-studio/backend/api/model/common"
+	"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/database"
+	"github.com/coze-dev/coze-studio/backend/domain/memory/database/entity"
+	"github.com/coze-dev/coze-studio/backend/infra/contract/storage"
+	"github.com/coze-dev/coze-studio/backend/pkg/errorx"
+	"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
+	"github.com/coze-dev/coze-studio/backend/pkg/logs"
+	"github.com/coze-dev/coze-studio/backend/types/errno"
+)
+
+type CellTypeIdentifier struct {
+	Priority         int64
+	IdentifyCellType func(cellValue string) *common.ColumnType
+	TargetColumnType common.ColumnType
+}
+
+var (
+	identifierChain    []CellTypeIdentifier
+	initIdentifierOnce sync.Once
+	dateTimePattern    string
+)
+
+type TosTableParser struct {
+	UserID         int64
+	DocumentSource database.DocumentSourceType
+	TosURI         string
+	TosServ        storage.Storage
+}
+
+func (t *TosTableParser) GetTableDataBySheetIDx(ctx context.Context, rMeta entity.TableReaderMeta) (*entity.TableReaderSheetData, *entity.ExcelExtraInfo, error) {
+	meta, err := t.getLocalSheetMeta(ctx, rMeta.TosMaxLine)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	defer func() {
+		if meta == nil || meta.ExcelFile == nil {
+			return
+		}
+		if err1 := meta.ExcelFile.Close(); err1 != nil {
+			logs.CtxInfof(ctx, "[GetTableDataBySheetIdx] close excel file failed, err: %v", err1)
+		}
+	}()
+
+	if len(meta.SheetsRowCount) == 0 {
+		return nil, nil, errorx.New(errno.ErrMemoryDatabaseNoSheetFound)
+	}
+
+	if int(rMeta.SheetId) >= len(meta.SheetsRowCount) {
+		return nil, nil, errorx.New(errno.ErrMemoryDatabaseSheetIndexExceed)
+	}
+
+	// get execl range: sheetIdx + headerIdx + startLineIdx
+	if rMeta.StartLineIdx > int64(meta.SheetsRowCount[rMeta.SheetId]) {
+		return nil, nil, errorx.New(errno.ErrMemoryDatabaseSheetIndexExceed)
+	}
+	extra := &entity.ExcelExtraInfo{
+		ExtensionName: meta.ExtensionName,
+		FileSize:      meta.FileSize,
+		TosURI:        t.TosURI,
+	}
+
+	data, ocErr := t.getTableDataBySheetIdx(ctx, rMeta, meta, rMeta.SheetId)
+	if ocErr != nil {
+		return nil, nil, ocErr
+	}
+	for i := range meta.SheetsRowCount {
+		extra.Sheets = append(extra.Sheets, &common.DocTableSheet{
+			ID:        int64(i),
+			SheetName: meta.SheetsNameList[i],
+			TotalRow:  int64(meta.SheetsRowCount[i]),
+		})
+	}
+	return data, extra, ocErr
+}
+
+func (t *TosTableParser) getLocalSheetMeta(ctx context.Context, maxLine int64) (*entity.LocalTableMeta, error) {
+	documentExtension, object, ocErr := t.GetTosTableFile(ctx)
+	if ocErr != nil {
+		return nil, ocErr
+	}
+
+	reader := bytes.NewReader(object)
+	if documentExtension == "csv" { // 处理 csv 文件
+		records, err := csv.NewReader(reader).ReadAll()
+		if err != nil {
+			return nil, err
+		}
+
+		if int64(len(records)) > maxLine {
+			return nil, err
+		}
+
+		return &entity.LocalTableMeta{
+			RawLines:       records,
+			SheetsNameList: []string{"default"},
+			SheetsRowCount: []int{len(records)},
+			ExtensionName:  documentExtension,
+			FileSize:       int64(len(object)),
+		}, nil
+	} else if documentExtension == "xls" {
+		result, err := HandleTmpFile(ctx, reader, "xls", getXlsLocalSheetMetaWithTmpFileCallback, int64(len(object)))
+		if err != nil {
+			return nil, err
+		}
+
+		localTableMeta, ok := result.(*entity.LocalTableMeta)
+		if !ok {
+			return nil, err
+		}
+
+		return localTableMeta, nil
+	}
+
+	excelFile, err := excelize.OpenReader(reader)
+	if err != nil {
+		return nil, err
+	}
+
+	meta := &entity.LocalTableMeta{
+		ExcelFile:     excelFile,
+		ExtensionName: documentExtension,
+		FileSize:      int64(len(object)),
+	}
+
+	for _, sheetName := range excelFile.GetSheetList() {
+		total := 0
+		rows, rowsErr := excelFile.Rows(sheetName)
+		if rowsErr != nil {
+			return nil, rowsErr
+		}
+		for rows.Next() {
+			total++
+			if int64(total) > maxLine {
+				return nil, errorx.New(errno.ErrMemoryDatabaseSheetRowCountExceed, errorx.KVf("msg", "row count exceed limit when database importing excel, limit: %v", maxLine))
+			}
+		}
+		meta.SheetsRowCount = append(meta.SheetsRowCount, total)
+		meta.SheetsNameList = append(meta.SheetsNameList, sheetName)
+	}
+
+	return meta, nil
+}
+
+func (t *TosTableParser) GetTosTableFile(ctx context.Context) (string, []byte, error) {
+	names := strings.Split(t.TosURI, "/")
+	objectName := strings.Split(names[len(names)-1], ".")
+	documentExtension := objectName[len(objectName)-1]
+	if documentExtension != "csv" && documentExtension != "xlsx" {
+		return "", nil, errorx.New(errno.ErrMemoryDatabaseUnsupportedFileType)
+	}
+
+	object, err := t.TosServ.GetObject(ctx, t.TosURI)
+	if err != nil {
+		return "", nil, fmt.Errorf("get tos file failed:%+v", err)
+	}
+
+	if len(object) > 104857600 {
+		return "", nil, errorx.New(errno.ErrMemoryDatabaseSheetSizeExceed)
+	}
+
+	return documentExtension, object, nil
+}
+
+func (t *TosTableParser) getTableDataBySheetIdx(ctx context.Context, rMeta entity.TableReaderMeta, localMeta *entity.LocalTableMeta, sheetIdx int64) (*entity.TableReaderSheetData, error) {
+	if int(sheetIdx) >= len(localMeta.SheetsRowCount) {
+		return nil, fmt.Errorf("start sheet index out of range")
+	}
+
+	res := &entity.TableReaderSheetData{
+		Columns: make([]*common.DocTableColumn, 0),
+	}
+	defer func() {
+		if localMeta != nil && localMeta.ExcelFile != nil {
+			if err := localMeta.ExcelFile.Close(); err != nil {
+				logs.CtxErrorf(ctx, "[GetTableDataBySheetIdx] close excel file err: %v", err)
+			}
+		}
+	}()
+
+	sheetRowTotal := localMeta.SheetsRowCount[sheetIdx]
+	headLine, sampleData, ocErr := t.parseSchemaInfo(ctx, localMeta, rMeta, int(sheetIdx), sheetRowTotal)
+	if ocErr != nil {
+		return nil, ocErr
+	}
+
+	if len(headLine) == 0 {
+		return res, nil
+	}
+
+	for colIndex, cell := range headLine {
+		res.Columns = append(res.Columns, &common.DocTableColumn{
+			ColumnName: cell,
+			Sequence:   int64(colIndex),
+		})
+	}
+	res.SampleData = sampleData
+
+	return res, nil
+}
+
+func (t *TosTableParser) parseSchemaInfo(ctx context.Context, meta *entity.LocalTableMeta, rMeta entity.TableReaderMeta, sheetIdx, sheetRowTotal int) (header []string, sampleData [][]string, err error) {
+	if len(meta.RawLines) != 0 {
+		if len(meta.RawLines) == 0 {
+			return []string{}, [][]string{}, nil
+		}
+		if rMeta.HeaderLineIdx >= int64(len(meta.RawLines)) {
+			return nil, nil, fmt.Errorf("header idx exceed")
+		}
+		if rMeta.StartLineIdx > int64(len(meta.RawLines)) {
+			return meta.RawLines[rMeta.HeaderLineIdx], [][]string{}, nil
+		}
+
+		switch rMeta.ReaderMethod {
+		case database.TableReadDataMethodHead:
+			end := int(rMeta.StartLineIdx + rMeta.ReadLineCnt)
+			if end > len(meta.RawLines) {
+				end = len(meta.RawLines)
+			}
+			return meta.RawLines[rMeta.HeaderLineIdx], meta.RawLines[rMeta.StartLineIdx:end], nil
+
+		case database.TableReadDataMethodOnlyHeader:
+			if len(meta.RawLines[rMeta.HeaderLineIdx]) >= 50 {
+				return meta.RawLines[rMeta.HeaderLineIdx][:50], [][]string{}, nil
+			}
+			return meta.RawLines[rMeta.HeaderLineIdx], [][]string{}, nil
+
+		case database.TableReadDataMethodAll:
+			return meta.RawLines[rMeta.HeaderLineIdx], meta.RawLines[rMeta.StartLineIdx:], nil
+		default:
+			logs.CtxInfof(ctx, "[parseSchemaInfo] reader method is:%d", rMeta.ReaderMethod)
+		}
+
+		return nil, nil, fmt.Errorf("reader method is:%d", rMeta.ReaderMethod)
+	}
+
+	sampleData, header, err = t.GetExcelToParseTableRange(ctx, meta.ExcelFile, sheetIdx, int64(sheetRowTotal), rMeta)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	return header, sampleData, nil
+}
+
+func (t *TosTableParser) GetExcelToParseTableRange(ctx context.Context, file *excelize.File, sheetIdx int, rowCount int64, rMeta entity.TableReaderMeta) ([][]string, []string, error) {
+	selectFunc := func(idx int64) (isContinue, isBreak bool) {
+		return idx < rMeta.StartLineIdx, false
+	}
+	if rMeta.ReaderMethod == database.TableReadDataMethodHead {
+		selectFunc = func(idx int64) (isContinue, isBreak bool) {
+			return idx < rMeta.StartLineIdx, idx-rMeta.StartLineIdx > rMeta.ReadLineCnt
+		}
+	}
+
+	selectedExcelContent := make([][]string, 0)
+	sheetName := file.GetSheetName(sheetIdx)
+	rows, err := file.Rows(sheetName)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	headLineContent := make([]string, 0)
+	var (
+		curRowIndex int64
+		columnCount int
+	)
+	for rows.Next() {
+		if curRowIndex < rMeta.HeaderLineIdx {
+			curRowIndex++
+			continue
+		}
+
+		if curRowIndex == rMeta.HeaderLineIdx {
+			content, rowErr := rows.Columns()
+			if rowErr != nil {
+				return nil, nil, rowErr
+			}
+			if len(content) > 50 {
+				content = content[:50]
+			}
+			headLineContent = content
+			curRowIndex++
+			columnCount = len(headLineContent)
+			if rMeta.ReaderMethod == database.TableReadDataMethodOnlyHeader {
+				return [][]string{}, headLineContent, nil
+			}
+			continue
+		}
+
+		isContinue, isBreak := selectFunc(curRowIndex)
+		if isContinue {
+			curRowIndex++
+			continue
+		}
+		if isBreak {
+			break
+		}
+		curRowIndex++
+
+		columns, err := rows.Columns()
+		if err != nil {
+			continue
+		}
+
+		if len(columns) < columnCount {
+			emptyStrs := make([]string, columnCount-len(columns))
+			columns = append(columns, emptyStrs...)
+		}
+		if len(columns) > 50 {
+			columns = columns[:50]
+		}
+
+		if len(columns) != 0 && getCharCount(columns) > 0 {
+			selectedExcelContent = append(selectedExcelContent, columns)
+		}
+	}
+
+	return selectedExcelContent, headLineContent, nil
+}
+
+func getCharCount(strs []string) int {
+	var count int
+	for _, str := range strs {
+		count += len(str)
+	}
+
+	return count
+}
+
+type TmpFileCallback func(context.Context, string, ...interface{}) (interface{}, error)
+
+func getTmpFile(extension string) string {
+	return fmt.Sprintf("%s/%s", "/tmp", getTmpFileName(extension))
+}
+
+func getTmpFileName(extension string) string {
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+	name := fmt.Sprintf("%s_%d_%d.%s", "dataset_", time.Now().UnixMilli(), r.Intn(10000), extension)
+	return name
+}
+
+func HandleTmpFile(ctx context.Context, reader io.Reader, extension string, callback TmpFileCallback, args ...interface{}) (interface{}, error) {
+	tmpFile := getTmpFile(extension)
+	file, err := os.OpenFile(tmpFile, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0o755)
+	if err != nil {
+		return nil, err
+	}
+	if reader != nil {
+		_, err = io.Copy(file, reader)
+		if err != nil {
+			return nil, err
+		}
+	}
+	if err = file.Close(); err != nil {
+		return nil, err
+	}
+
+	defer func() {
+		if err = os.Remove(tmpFile); err != nil {
+			logs.CtxErrorf(ctx, "[HandleTmpFile]Error removing tmpFile: %v", err)
+			return
+		}
+	}()
+	result, err := callback(ctx, tmpFile, args...)
+	return result, err
+}
+
+func getXlsLocalSheetMetaWithTmpFileCallback(ctx context.Context, tmpFile string, args ...interface{}) (interface{}, error) {
+	const prefix = "[getXlsLocalSheetMetaWithTmpFileCallback]"
+	defer func() {
+		if panicErr := recover(); panicErr != nil {
+			s := string(debug.Stack())
+			logs.CtxErrorf(ctx, "%s get recover, stack: %s", prefix, s)
+			return
+		}
+	}()
+	size, _ := args[0].(int64)
+	file, err := os.Open(tmpFile)
+	if err != nil {
+		return nil, err
+	}
+	defer func() {
+		if err = file.Close(); err != nil {
+			logs.CtxErrorf(ctx, "%v close excel reader failed:%+v", prefix, err)
+			return
+		}
+	}()
+	xlFile, err := xls.OpenReader(file, "utf-8")
+	if err != nil {
+		return nil, err
+	}
+
+	sheet := xlFile.GetSheet(0)
+	if sheet == nil {
+		return nil, errorx.New(errno.ErrMemoryDatabaseXlsSheetEmpty)
+	}
+
+	records := make([][]string, 0)
+	if sheet.MaxRow < 1 {
+		return nil, errorx.New(errno.ErrMemoryDatabaseXlsSheetEmpty)
+	}
+	for i := 0; i <= int(sheet.MaxRow); i++ {
+		row := sheet.Row(i)
+		record := make([]string, row.LastCol()-row.FirstCol()+1)
+		for j := row.FirstCol(); j <= row.LastCol(); j++ {
+			record[j-row.FirstCol()] = row.Col(j)
+		}
+		records = append(records, record)
+	}
+
+	return &entity.LocalTableMeta{
+		RawLines:       records,
+		SheetsNameList: []string{"default"},
+		SheetsRowCount: []int{len(records)},
+		ExtensionName:  "xls",
+		FileSize:       size,
+	}, nil
+}
+
+func (t *TosTableParser) PredictColumnType(columns []*common.DocTableColumn, sampleData [][]string, sheetIdx, startLineIdx int64) ([]*common.DocTableColumn, error) {
+	if len(sampleData) == 0 {
+		for _, column := range columns {
+			column.ColumnType = common.ColumnTypePtr(common.ColumnType_Text) // 兜底展示
+			column.ContainsEmptyValue = ptr.Of(true)
+		}
+		return columns, nil
+	}
+
+	columnInfos, err := ParseDocTableColumnInfo(sampleData, len(columns))
+	if err != nil {
+		return nil, err
+	}
+
+	if len(columns) != len(columnInfos) {
+		return nil, errorx.New(errno.ErrMemoryDatabaseColumnNotMatch, errorx.KVf("msg", "columnType length is not match with column count, column length:%d, predict column length:%d", len(columns), len(columnInfos)))
+	}
+
+	for i := range columns {
+		columns[i].ContainsEmptyValue = &columnInfos[i].ContainsEmptyValue
+		columns[i].ColumnType = &columnInfos[i].ColumnType
+	}
+	return columns, nil
+}
+
+func ParseDocTableColumnInfo(selectedExcelContent [][]string, columnCount int) ([]entity.ColumnInfo, error) {
+	columnList := transposeExcelContent(selectedExcelContent, columnCount)
+	columInfoList := make([]entity.ColumnInfo, 0)
+	for _, col := range columnList {
+		columnType, containsEmptyValue := predictColumnType(col)
+		columInfoList = append(columInfoList, entity.ColumnInfo{
+			ColumnType:         columnType,
+			ContainsEmptyValue: containsEmptyValue,
+		})
+	}
+
+	return columInfoList, nil
+}
+
+func transposeExcelContent(excelContent [][]string, columnCount int) [][]string {
+	if len(excelContent) == 0 {
+		return make([][]string, 0)
+	}
+
+	rowCount := len(excelContent)
+	transposedExcelContent := make([][]string, columnCount)
+	for i := range transposedExcelContent {
+		transposedExcelContent[i] = make([]string, rowCount)
+	}
+
+	for i := range excelContent {
+		for j := range excelContent[i] {
+			if j >= columnCount {
+				continue
+			}
+			transposedExcelContent[j][i] = excelContent[i][j]
+		}
+	}
+
+	return transposedExcelContent
+}
+
+func predictColumnType(columnContent []string) (common.ColumnType, bool) {
+	columnType := common.ColumnType_Text
+	containsEmptyValue := false
+	for i, col := range columnContent {
+		if col == "" {
+			containsEmptyValue = true
+			continue
+		}
+
+		cellType := GetCellType(col)
+		if i == 0 {
+			columnType = cellType
+			continue
+		}
+
+		if GetColumnTypeCategory(columnType) != GetColumnTypeCategory(cellType) {
+			return common.ColumnType_Text, containsEmptyValue
+		}
+
+		if GetColumnTypePriority(cellType) < GetColumnTypePriority(columnType) {
+			columnType = cellType
+		}
+	}
+	return columnType, containsEmptyValue
+}
+
+func GetColumnTypePriority(columnType common.ColumnType) int64 {
+	for _, identifier := range identifierChain {
+		if identifier.TargetColumnType == columnType {
+			return identifier.Priority
+		}
+	}
+	return 0
+}
+
+func GetColumnTypeCategory(columnType common.ColumnType) database.ColumnTypeCategory {
+	if columnType == common.ColumnType_Number || columnType == common.ColumnType_Float {
+		return database.ColumnTypeCategoryNumber
+	}
+	return database.ColumnTypeCategoryText
+}
+
+func GetCellType(cellValue string) common.ColumnType {
+	InitIdentifier()
+	cellTypeResult := common.ColumnType_Text
+	for _, identifier := range identifierChain {
+		cellType := identifier.IdentifyCellType(cellValue)
+		if cellType != nil {
+			cellTypeResult = *cellType
+			break
+		}
+	}
+	return cellTypeResult
+}
+
+func IdentifyNumber(cellValue string) *common.ColumnType {
+	_, err := strconv.ParseInt(cellValue, 10, 64)
+	if err != nil {
+		return nil
+	}
+	return common.ColumnTypePtr(common.ColumnType_Number)
+}
+
+func IdentifyFloat(cellValue string) *common.ColumnType {
+	_, err := strconv.ParseFloat(cellValue, 64)
+	if err != nil {
+		return nil
+	}
+	return common.ColumnTypePtr(common.ColumnType_Float)
+}
+
+func IdentifyBoolean(cellValue string) *common.ColumnType {
+	lowerCellValue := strings.ToLower(cellValue)
+	if lowerCellValue != "true" && lowerCellValue != "false" {
+		return nil
+	}
+	return common.ColumnTypePtr(common.ColumnType_Boolean)
+}
+
+func IdentifyDate(cellValue string) *common.ColumnType {
+	matched, err := regexp.MatchString(dateTimePattern, cellValue)
+	if err != nil || !matched {
+		return nil
+	}
+	return common.ColumnTypePtr(common.ColumnType_Date)
+}
+
+func IdentifyText(cellValue string) *common.ColumnType {
+	return common.ColumnTypePtr(common.ColumnType_Text)
+}
+
+func InitIdentifier() {
+	initIdentifierOnce.Do(func() {
+		identifierChain = []CellTypeIdentifier{
+			{
+				Priority:         5,
+				IdentifyCellType: IdentifyNumber,
+				TargetColumnType: common.ColumnType_Number,
+			},
+			{
+				Priority:         4,
+				IdentifyCellType: IdentifyFloat,
+				TargetColumnType: common.ColumnType_Float,
+			},
+			{
+				Priority:         3,
+				IdentifyCellType: IdentifyBoolean,
+				TargetColumnType: common.ColumnType_Boolean,
+			},
+			{
+				Priority:         2,
+				IdentifyCellType: IdentifyDate,
+				TargetColumnType: common.ColumnType_Date,
+			},
+			{
+				Priority:         1,
+				IdentifyCellType: IdentifyText,
+				TargetColumnType: common.ColumnType_Text,
+			},
+		}
+
+		sort.SliceStable(identifierChain, func(i, j int) bool {
+			return identifierChain[i].Priority > identifierChain[j].Priority
+		})
+
+		datePatternList := []string{
+			"(\\d{2,4})\\/(0?[1-9]|1[0-2])\\/(0?[1-9]|[1-2]\\d|3[0-1])",
+			"(\\d{2,4})-(0?[1-9]|1[0-2])-(0?[1-9]|[1-2]\\d|3[0-1])",
+			"(\\d{2,4})\\.(0?[1-9]|1[0-2])\\.(0?[1-9]|[1-2]\\d|3[0-1])",
+			"(\\d{2,4})年(0?[1-9]|1[0-2])月(0?[1-9]|[1-2]\\d|3[0-1])日",
+		}
+
+		timePatternList := []string{
+			"([0-1]?\\d|2[0-3]):[0-5]\\d(:[0-5]\\d)?",
+			"([0-1]?\\d|2[0-3])时[0-5]\\d分([0-5]\\d秒)?",
+			"(0?\\d|1[0-2]):[0-5]\\d(:[0-5]\\d)? (am|AM|pm|PM)",
+			"(0?\\d|1[0-2])时[0-5]\\d分([0-5]\\d秒)? (am|AM|pm|PM)",
+		}
+
+		dateTimePattern = getDateTimeRegExp(datePatternList, timePatternList)
+	})
+}
+
+func getDateTimeRegExp(datePatternList []string, timePatterList []string) string {
+	var (
+		datePattern string
+		timePattern string
+	)
+
+	for _, p := range datePatternList {
+		p = fmt.Sprintf("(%s)", p)
+		if datePattern == "" {
+			datePattern = p
+			continue
+		}
+		datePattern = fmt.Sprintf("%s|%s", datePattern, p)
+	}
+
+	for _, p := range timePatterList {
+		p = fmt.Sprintf("(%s)", p)
+		if timePattern == "" {
+			timePattern = p
+			continue
+		}
+		timePattern = fmt.Sprintf("%s|%s", timePattern, p)
+	}
+
+	return fmt.Sprintf("^(%s)( +(%s))?$", datePattern, timePattern)
+}
+
+func (t *TosTableParser) TransferPreviewData(ctx context.Context, columns []*common.DocTableColumn, sampleData [][]string, previewLine int) (previewData []map[int64]string, err error) {
+	previewData = make([]map[int64]string, 0)
+
+	for idx, line := range sampleData {
+		if idx >= previewLine {
+			break
+		}
+		lineValue := make(map[int64]string)
+		if len(columns) != len(line) {
+			logs.CtxWarnf(ctx, "[TransferPreviewData] sampleData's length:%d is not match with column count:%d", len(line), len(columns))
+		}
+
+		for i, value := range line {
+			if i >= len(columns) {
+				break
+			}
+			lineValue[int64(i)] = value
+		}
+		previewData = append(previewData, lineValue)
+	}
+
+	return previewData, nil
+}
+
+func CheckSheetIsValid(fields []*database.FieldItem, parsedColumns []*common.DocTableColumn, sheet *entity.ExcelExtraInfo) (bool, *string) {
+	if len(fields) != len(parsedColumns) {
+		return false, ptr.Of("field number not match")
+	}
+	if len(parsedColumns) > 20 {
+		return false, ptr.Of("field number exceed 20")
+	}
+	if sheet.Sheets[0].TotalRow > 100000 {
+		return false, ptr.Of("data rows exceed 100000")
+	}
+
+	equalColumns := map[string]int{}
+	for _, field := range fields {
+		for _, column := range parsedColumns {
+			if field.Name == column.ColumnName {
+				equalColumns[field.Name] = 1
+				break
+			}
+		}
+	}
+	if len(equalColumns) != len(fields) {
+		return false, ptr.Of("field name not match")
+	}
+
+	return true, nil
+}