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								package gormx
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								import (
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									"fmt"
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									"mayfly-go/pkg/global"
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									"mayfly-go/pkg/model"
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									"time"
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									"gorm.io/gorm"
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								)
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								// 伪删除之未删除过滤条件
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								func UndeleteScope(db *gorm.DB) *gorm.DB {
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									return db.Where(model.DeletedColumn, model.ModelUndeleted)
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								}
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								// 根据id获取实体对象。model需为指针类型(需要将查询出来的值赋值给model)
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								//
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								// 若error不为nil则为不存在该记录
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								// @param modelP  数据库映射实体模型
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								func GetById(dbModel any, id uint64, cols ...string) error {
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									return NewQuery(dbModel, model.NewCond().Columns(cols...).Eq(model.IdColumn, id)).GenGdb().Scopes(UndeleteScope).First(dbModel).Error
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								}
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								// 根据model获取单个实体对象
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								//
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								// 若 error不为nil,则为不存在该记录
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								// @param cond  查询条件
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								func GetByCond(dbModel any, cond *model.QueryCond) error {
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									return NewQuery(dbModel, cond).GenGdb().Scopes(UndeleteScope).First(cond.GetDest()).Error
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								}
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								// 根据条件cond获取指定model表统计数量
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								func CountByCond(dbModel any, cond *model.QueryCond) int64 {
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									var count int64
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									NewQuery(dbModel, cond).GenGdb().Scopes(UndeleteScope).Count(&count)
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									return count
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								}
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								// PageQuery 根据查询条件分页查询数据
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								// 若未指定查询列,则查询列以toModels字段为准
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								func PageQuery[T any](q *Query, pageParam *model.PageParam, toModels T) (*model.PageResult[T], error) {
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									q.Undeleted()
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									gdb := q.GenGdb()
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									var count int64
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									err := gdb.Count(&count).Error
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									if err != nil {
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										return nil, err
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									}
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									if count == 0 {
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										return model.EmptyPageResult[T](), nil
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									}
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									page := pageParam.PageNum
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									pageSize := pageParam.PageSize
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									err = gdb.Limit(pageSize).Offset((page - 1) * pageSize).Find(toModels).Error
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									if err != nil {
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										return nil, err
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									}
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									return &model.PageResult[T]{Total: count, List: toModels}, nil
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								}
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								// PageByCond 根据指定查询条件分页查询数据
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								func PageByCond[T any](dbModel any, cond *model.QueryCond, pageParam *model.PageParam, toModels T) (*model.PageResult[T], error) {
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									return PageQuery(NewQuery(dbModel, cond), pageParam, toModels)
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								}
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								// SelectByCond 根据条件查询结果集
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								func SelectByCond(dbModel any, cond *model.QueryCond) error {
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									return NewQuery(dbModel, cond).GenGdb().Scopes(UndeleteScope).Find(cond.GetDest()).Error
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								}
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								// SelectBySql 根据sql查询数据
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								func SelectBySql(sql string, toEntity any, params ...any) error {
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									return global.Db.Raw(sql, params...).Scan(toEntity).Error
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								}
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								func ExecSql(sql string, params ...any) error {
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									return global.Db.Exec(sql, params...).Error
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								}
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								// 插入model
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								// @param model  数据库映射实体模型
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								func Insert(model any) error {
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									return InsertWithDb(global.Db, model)
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								}
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								// 使用指定gormDb插入model
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								func InsertWithDb(db *gorm.DB, model any) error {
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									return db.Create(model).Error
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								}
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								// 批量插入
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								func BatchInsert[T any](models []T) error {
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									return BatchInsertWithDb[T](global.Db, models)
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								}
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								// 批量插入
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								func BatchInsertWithDb[T any](db *gorm.DB, models []T) error {
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									return db.CreateInBatches(models, len(models)).Error
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								}
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								// 根据id更新model,更新字段为model中不为空的值,即int类型不为0,ptr类型不为nil这类字段值
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								// @param model  数据库映射实体模型
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								func UpdateById(model any, columns ...string) error {
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									return UpdateByIdWithDb(global.Db, model, columns...)
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								}
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											2024-01-05 08:55:34 +08:00
										 
									 
								 
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								func UpdateByIdWithDb(db *gorm.DB, model any, columns ...string) error {
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									return db.Model(model).Select(columns).Updates(model).Error
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											2023-07-20 22:41:13 +08:00
										 
									 
								 
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								}
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											2024-04-28 23:45:57 +08:00
										 
									 
								 
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								// UpdateByCondWithDb 使用指定gorm.DB更新满足条件的数据(model的主键值需为空,否则会带上主键条件)
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											2024-04-29 12:29:56 +08:00
										 
									 
								 
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								func UpdateByCond(dbModel any, values any, cond *model.QueryCond) error {
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									return UpdateByCondWithDb(global.Db, dbModel, values, cond)
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											2024-04-09 12:55:51 +08:00
										 
									 
								 
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								}
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											2024-04-28 23:45:57 +08:00
										 
									 
								 
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								// UpdateByCondWithDb 使用指定gorm.DB更新满足条件的数据(model的主键值需为空,否则会带上主键条件)
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											2024-04-29 12:29:56 +08:00
										 
									 
								 
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								// @values values must be a struct or map.
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								func UpdateByCondWithDb(db *gorm.DB, dbModel any, values any, cond *model.QueryCond) error {
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									gormDb := db.Model(dbModel).Select(cond.GetSelectColumns())
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											2024-04-28 23:45:57 +08:00
										 
									 
								 
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									setGdbWhere(gormDb, cond)
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											2024-04-29 12:29:56 +08:00
										 
									 
								 
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									return gormDb.Updates(values).Error
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											2023-07-01 14:34:42 +08:00
										 
									 
								 
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								}
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								// 根据id删除model
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								// @param model  数据库映射实体模型
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								func DeleteById(model_ any, id ...uint64) error {
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									return DeleteByIdWithDb(global.Db, model_, id...)
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											2023-07-20 22:41:13 +08:00
										 
									 
								 
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								}
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								// 根据id使用指定gromDb删除
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											2024-04-29 12:29:56 +08:00
										 
									 
								 
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								func DeleteByIdWithDb(db *gorm.DB, model_ any, id ...uint64) error {
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									return DeleteByCondWithDb(db, model_, model.NewCond().In(model.IdColumn, id))
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											2023-07-01 14:34:42 +08:00
										 
									 
								 
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								}
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											2023-10-26 17:15:49 +08:00
										 
									 
								 
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								// 根据cond条件删除指定model表数据
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								//
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											2024-04-28 23:45:57 +08:00
										 
									 
								 
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								// @param dbModel  数据库映射实体模型
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											2023-10-26 17:15:49 +08:00
										 
									 
								 
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								// @param cond  条件
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											2024-04-28 23:45:57 +08:00
										 
									 
								 
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								func DeleteByCond(dbModel any, cond *model.QueryCond) error {
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									return DeleteByCondWithDb(global.Db, dbModel, cond)
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											2024-04-09 12:55:51 +08:00
										 
									 
								 
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								}
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											2023-10-26 17:15:49 +08:00
										 
									 
								 
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								// 根据cond条件删除指定model表数据
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								 | 
							
							
								//
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											2024-04-28 23:45:57 +08:00
										 
									 
								 
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								// @param dbModel  数据库映射实体模型
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											2023-10-26 17:15:49 +08:00
										 
									 
								 
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								// @param cond 条件
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											2024-04-28 23:45:57 +08:00
										 
									 
								 
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								func DeleteByCondWithDb(db *gorm.DB, dbModel any, cond *model.QueryCond) error {
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								 | 
							
							
									return setGdbWhere(db.Model(dbModel), cond).Updates(getDeleteColumnValue()).Error
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											2023-07-20 22:41:13 +08:00
										 
									 
								 
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								}
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								func getDeleteColumnValue() map[string]any {
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									columnValue := make(map[string]any)
							 | 
						
					
						
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								 | 
							
							
									columnValue[model.DeletedColumn] = model.ModelDeleted
							 | 
						
					
						
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								 | 
							
							
									columnValue[model.DeleteTimeColumn] = time.Now()
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								 | 
							
							
									return columnValue
							 | 
						
					
						
							
								
									
										
										
										
											2023-07-01 14:34:42 +08:00
										 
									 
								 
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								}
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								func Tx(funcs ...func(db *gorm.DB) error) (err error) {
							 | 
						
					
						
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							 | 
							
								
									
								 | 
							
							
									tx := global.Db.Begin()
							 | 
						
					
						
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								 | 
							
							
									defer func() {
							 | 
						
					
						
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							 | 
							
								
									
								 | 
							
							
										if r := recover(); r != nil {
							 | 
						
					
						
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							 | 
							
								
							 | 
							
								
									
								 | 
							
							
											tx.Rollback()
							 | 
						
					
						
							
								
									
										
										
										
											2023-12-27 22:59:20 +08:00
										 
									 
								 
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							 | 
							
								
									
								 | 
							
							
											err = fmt.Errorf("%v", r)
							 | 
						
					
						
							
								
									
										
										
										
											2023-07-01 14:34:42 +08:00
										 
									 
								 
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										}
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								 | 
							
							
									}()
							 | 
						
					
						
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							 | 
							
								
									
								 | 
							
							
									for _, f := range funcs {
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
								
									
								 | 
							
							
										err = f(tx)
							 | 
						
					
						
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							 | 
							
								
									
								 | 
							
							
										if err != nil {
							 | 
						
					
						
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							 | 
							
								
									
								 | 
							
							
											tx.Rollback()
							 | 
						
					
						
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								 | 
							
							
											return
							 | 
						
					
						
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								 | 
							
							
										}
							 | 
						
					
						
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								 | 
							
							
									}
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									err = tx.Commit().Error
							 | 
						
					
						
							| 
								
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							 | 
							
								
									
								 | 
							
							
									return
							 | 
						
					
						
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							 | 
							
								
									
								 | 
							
							
								}
							 |