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