// Code generated by go.ipao.vip/gen. DO NOT EDIT.
// Code generated by go.ipao.vip/gen. DO NOT EDIT.
// Code generated by go.ipao.vip/gen. DO NOT EDIT.

package models

import (
	"context"

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"gorm.io/gorm/schema"

	"go.ipao.vip/gen"
	"go.ipao.vip/gen/field"

	"gorm.io/plugin/dbresolver"
)

func newTenantLedger(db *gorm.DB, opts ...gen.DOOption) tenantLedgerQuery {
	_tenantLedgerQuery := tenantLedgerQuery{}

	_tenantLedgerQuery.tenantLedgerQueryDo.UseDB(db, opts...)
	_tenantLedgerQuery.tenantLedgerQueryDo.UseModel(&TenantLedger{})

	tableName := _tenantLedgerQuery.tenantLedgerQueryDo.TableName()
	_tenantLedgerQuery.ALL = field.NewAsterisk(tableName)
	_tenantLedgerQuery.ID = field.NewInt64(tableName, "id")
	_tenantLedgerQuery.TenantID = field.NewInt64(tableName, "tenant_id")
	_tenantLedgerQuery.UserID = field.NewInt64(tableName, "user_id")
	_tenantLedgerQuery.OrderID = field.NewInt64(tableName, "order_id")
	_tenantLedgerQuery.Type = field.NewField(tableName, "type")
	_tenantLedgerQuery.Amount = field.NewInt64(tableName, "amount")
	_tenantLedgerQuery.BalanceBefore = field.NewInt64(tableName, "balance_before")
	_tenantLedgerQuery.BalanceAfter = field.NewInt64(tableName, "balance_after")
	_tenantLedgerQuery.FrozenBefore = field.NewInt64(tableName, "frozen_before")
	_tenantLedgerQuery.FrozenAfter = field.NewInt64(tableName, "frozen_after")
	_tenantLedgerQuery.IdempotencyKey = field.NewString(tableName, "idempotency_key")
	_tenantLedgerQuery.Remark = field.NewString(tableName, "remark")
	_tenantLedgerQuery.CreatedAt = field.NewTime(tableName, "created_at")
	_tenantLedgerQuery.UpdatedAt = field.NewTime(tableName, "updated_at")
	_tenantLedgerQuery.OperatorUserID = field.NewInt64(tableName, "operator_user_id")
	_tenantLedgerQuery.BizRefType = field.NewString(tableName, "biz_ref_type")
	_tenantLedgerQuery.BizRefID = field.NewInt64(tableName, "biz_ref_id")
	_tenantLedgerQuery.Order = tenantLedgerQueryBelongsToOrder{
		db: db.Session(&gorm.Session{}),

		RelationField: field.NewRelation("Order", "Order"),
	}

	_tenantLedgerQuery.fillFieldMap()

	return _tenantLedgerQuery
}

type tenantLedgerQuery struct {
	tenantLedgerQueryDo tenantLedgerQueryDo

	ALL            field.Asterisk
	ID             field.Int64  // 主键ID：自增
	TenantID       field.Int64  // 租户ID：多租户隔离关键字段；必须与 tenant_users.tenant_id 一致
	UserID         field.Int64  // 用户ID：余额账户归属用户；对应 tenant_users.user_id
	OrderID        field.Int64  // 关联订单ID：购买/退款类流水应关联 orders.id；非订单类可为空
	Type           field.Field  // 流水类型：credit_topup/debit_purchase/credit_refund/freeze/unfreeze/adjustment；不同类型决定余额/冻结余额的变更方向
	Amount         field.Int64  // 流水金额：分/最小货币单位；通常为正数，方向由 type 决定（由业务层约束）
	BalanceBefore  field.Int64  // 变更前可用余额：用于审计与对账回放
	BalanceAfter   field.Int64  // 变更后可用余额：用于审计与对账回放
	FrozenBefore   field.Int64  // 变更前冻结余额：用于审计与对账回放
	FrozenAfter    field.Int64  // 变更后冻结余额：用于审计与对账回放
	IdempotencyKey field.String // 幂等键：同一租户同一用户同一业务操作固定；用于防止重复落账（建议由业务层生成）
	Remark         field.String // 备注：业务说明/后台操作原因等；用于审计
	CreatedAt      field.Time   // 创建时间：默认 now()
	UpdatedAt      field.Time   // 更新时间：默认 now()
	OperatorUserID field.Int64  // 操作者用户ID：谁触发该流水（admin/buyer/system）；用于审计与追责；可为空（历史数据或无法识别时）
	BizRefType     field.String // 业务引用类型：order/refund/topup/etc；与 biz_ref_id 组成可选的结构化幂等/追溯键
	BizRefID       field.Int64  // 业务引用ID：与 biz_ref_type 配合使用（例如 orders.id）；用于对账与审计
	Order          tenantLedgerQueryBelongsToOrder

	fieldMap map[string]field.Expr
}

func (t tenantLedgerQuery) Table(newTableName string) *tenantLedgerQuery {
	t.tenantLedgerQueryDo.UseTable(newTableName)
	return t.updateTableName(newTableName)
}

func (t tenantLedgerQuery) As(alias string) *tenantLedgerQuery {
	t.tenantLedgerQueryDo.DO = *(t.tenantLedgerQueryDo.As(alias).(*gen.DO))
	return t.updateTableName(alias)
}

func (t *tenantLedgerQuery) updateTableName(table string) *tenantLedgerQuery {
	t.ALL = field.NewAsterisk(table)
	t.ID = field.NewInt64(table, "id")
	t.TenantID = field.NewInt64(table, "tenant_id")
	t.UserID = field.NewInt64(table, "user_id")
	t.OrderID = field.NewInt64(table, "order_id")
	t.Type = field.NewField(table, "type")
	t.Amount = field.NewInt64(table, "amount")
	t.BalanceBefore = field.NewInt64(table, "balance_before")
	t.BalanceAfter = field.NewInt64(table, "balance_after")
	t.FrozenBefore = field.NewInt64(table, "frozen_before")
	t.FrozenAfter = field.NewInt64(table, "frozen_after")
	t.IdempotencyKey = field.NewString(table, "idempotency_key")
	t.Remark = field.NewString(table, "remark")
	t.CreatedAt = field.NewTime(table, "created_at")
	t.UpdatedAt = field.NewTime(table, "updated_at")
	t.OperatorUserID = field.NewInt64(table, "operator_user_id")
	t.BizRefType = field.NewString(table, "biz_ref_type")
	t.BizRefID = field.NewInt64(table, "biz_ref_id")

	t.fillFieldMap()

	return t
}

func (t *tenantLedgerQuery) QueryContext(ctx context.Context) (*tenantLedgerQuery, *tenantLedgerQueryDo) {
	return t, t.tenantLedgerQueryDo.WithContext(ctx)
}

func (t *tenantLedgerQuery) WithContext(ctx context.Context) *tenantLedgerQueryDo {
	return t.tenantLedgerQueryDo.WithContext(ctx)
}

func (t tenantLedgerQuery) TableName() string { return t.tenantLedgerQueryDo.TableName() }

func (t tenantLedgerQuery) Alias() string { return t.tenantLedgerQueryDo.Alias() }

func (t tenantLedgerQuery) Columns(cols ...field.Expr) gen.Columns {
	return t.tenantLedgerQueryDo.Columns(cols...)
}

func (t *tenantLedgerQuery) GetFieldByName(fieldName string) (field.OrderExpr, bool) {
	_f, ok := t.fieldMap[fieldName]
	if !ok || _f == nil {
		return nil, false
	}
	_oe, ok := _f.(field.OrderExpr)
	return _oe, ok
}

func (t *tenantLedgerQuery) fillFieldMap() {
	t.fieldMap = make(map[string]field.Expr, 18)
	t.fieldMap["id"] = t.ID
	t.fieldMap["tenant_id"] = t.TenantID
	t.fieldMap["user_id"] = t.UserID
	t.fieldMap["order_id"] = t.OrderID
	t.fieldMap["type"] = t.Type
	t.fieldMap["amount"] = t.Amount
	t.fieldMap["balance_before"] = t.BalanceBefore
	t.fieldMap["balance_after"] = t.BalanceAfter
	t.fieldMap["frozen_before"] = t.FrozenBefore
	t.fieldMap["frozen_after"] = t.FrozenAfter
	t.fieldMap["idempotency_key"] = t.IdempotencyKey
	t.fieldMap["remark"] = t.Remark
	t.fieldMap["created_at"] = t.CreatedAt
	t.fieldMap["updated_at"] = t.UpdatedAt
	t.fieldMap["operator_user_id"] = t.OperatorUserID
	t.fieldMap["biz_ref_type"] = t.BizRefType
	t.fieldMap["biz_ref_id"] = t.BizRefID

}

func (t tenantLedgerQuery) clone(db *gorm.DB) tenantLedgerQuery {
	t.tenantLedgerQueryDo.ReplaceConnPool(db.Statement.ConnPool)
	t.Order.db = db.Session(&gorm.Session{Initialized: true})
	t.Order.db.Statement.ConnPool = db.Statement.ConnPool
	return t
}

func (t tenantLedgerQuery) replaceDB(db *gorm.DB) tenantLedgerQuery {
	t.tenantLedgerQueryDo.ReplaceDB(db)
	t.Order.db = db.Session(&gorm.Session{})
	return t
}

type tenantLedgerQueryBelongsToOrder struct {
	db *gorm.DB

	field.RelationField
}

func (a tenantLedgerQueryBelongsToOrder) Where(conds ...field.Expr) *tenantLedgerQueryBelongsToOrder {
	if len(conds) == 0 {
		return &a
	}

	exprs := make([]clause.Expression, 0, len(conds))
	for _, cond := range conds {
		exprs = append(exprs, cond.BeCond().(clause.Expression))
	}
	a.db = a.db.Clauses(clause.Where{Exprs: exprs})
	return &a
}

func (a tenantLedgerQueryBelongsToOrder) WithContext(ctx context.Context) *tenantLedgerQueryBelongsToOrder {
	a.db = a.db.WithContext(ctx)
	return &a
}

func (a tenantLedgerQueryBelongsToOrder) Session(session *gorm.Session) *tenantLedgerQueryBelongsToOrder {
	a.db = a.db.Session(session)
	return &a
}

func (a tenantLedgerQueryBelongsToOrder) Model(m *TenantLedger) *tenantLedgerQueryBelongsToOrderTx {
	return &tenantLedgerQueryBelongsToOrderTx{a.db.Model(m).Association(a.Name())}
}

func (a tenantLedgerQueryBelongsToOrder) Unscoped() *tenantLedgerQueryBelongsToOrder {
	a.db = a.db.Unscoped()
	return &a
}

type tenantLedgerQueryBelongsToOrderTx struct{ tx *gorm.Association }

func (a tenantLedgerQueryBelongsToOrderTx) Find() (result *Order, err error) {
	return result, a.tx.Find(&result)
}

func (a tenantLedgerQueryBelongsToOrderTx) Append(values ...*Order) (err error) {
	targetValues := make([]interface{}, len(values))
	for i, v := range values {
		targetValues[i] = v
	}
	return a.tx.Append(targetValues...)
}

func (a tenantLedgerQueryBelongsToOrderTx) Replace(values ...*Order) (err error) {
	targetValues := make([]interface{}, len(values))
	for i, v := range values {
		targetValues[i] = v
	}
	return a.tx.Replace(targetValues...)
}

func (a tenantLedgerQueryBelongsToOrderTx) Delete(values ...*Order) (err error) {
	targetValues := make([]interface{}, len(values))
	for i, v := range values {
		targetValues[i] = v
	}
	return a.tx.Delete(targetValues...)
}

func (a tenantLedgerQueryBelongsToOrderTx) Clear() error {
	return a.tx.Clear()
}

func (a tenantLedgerQueryBelongsToOrderTx) Count() int64 {
	return a.tx.Count()
}

func (a tenantLedgerQueryBelongsToOrderTx) Unscoped() *tenantLedgerQueryBelongsToOrderTx {
	a.tx = a.tx.Unscoped()
	return &a
}

type tenantLedgerQueryDo struct{ gen.DO }

func (t tenantLedgerQueryDo) Debug() *tenantLedgerQueryDo {
	return t.withDO(t.DO.Debug())
}

func (t tenantLedgerQueryDo) WithContext(ctx context.Context) *tenantLedgerQueryDo {
	return t.withDO(t.DO.WithContext(ctx))
}

func (t tenantLedgerQueryDo) ReadDB() *tenantLedgerQueryDo {
	return t.Clauses(dbresolver.Read)
}

func (t tenantLedgerQueryDo) WriteDB() *tenantLedgerQueryDo {
	return t.Clauses(dbresolver.Write)
}

func (t tenantLedgerQueryDo) Session(config *gorm.Session) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Session(config))
}

func (t tenantLedgerQueryDo) Clauses(conds ...clause.Expression) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Clauses(conds...))
}

func (t tenantLedgerQueryDo) Returning(value interface{}, columns ...string) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Returning(value, columns...))
}

func (t tenantLedgerQueryDo) Not(conds ...gen.Condition) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Not(conds...))
}

func (t tenantLedgerQueryDo) Or(conds ...gen.Condition) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Or(conds...))
}

func (t tenantLedgerQueryDo) Select(conds ...field.Expr) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Select(conds...))
}

func (t tenantLedgerQueryDo) Where(conds ...gen.Condition) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Where(conds...))
}

func (t tenantLedgerQueryDo) Order(conds ...field.Expr) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Order(conds...))
}

func (t tenantLedgerQueryDo) Distinct(cols ...field.Expr) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Distinct(cols...))
}

func (t tenantLedgerQueryDo) Omit(cols ...field.Expr) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Omit(cols...))
}

func (t tenantLedgerQueryDo) Join(table schema.Tabler, on ...field.Expr) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Join(table, on...))
}

func (t tenantLedgerQueryDo) LeftJoin(table schema.Tabler, on ...field.Expr) *tenantLedgerQueryDo {
	return t.withDO(t.DO.LeftJoin(table, on...))
}

func (t tenantLedgerQueryDo) RightJoin(table schema.Tabler, on ...field.Expr) *tenantLedgerQueryDo {
	return t.withDO(t.DO.RightJoin(table, on...))
}

func (t tenantLedgerQueryDo) Group(cols ...field.Expr) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Group(cols...))
}

func (t tenantLedgerQueryDo) Having(conds ...gen.Condition) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Having(conds...))
}

func (t tenantLedgerQueryDo) Limit(limit int) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Limit(limit))
}

func (t tenantLedgerQueryDo) Offset(offset int) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Offset(offset))
}

func (t tenantLedgerQueryDo) Scopes(funcs ...func(gen.Dao) gen.Dao) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Scopes(funcs...))
}

func (t tenantLedgerQueryDo) Unscoped() *tenantLedgerQueryDo {
	return t.withDO(t.DO.Unscoped())
}

func (t tenantLedgerQueryDo) Create(values ...*TenantLedger) error {
	if len(values) == 0 {
		return nil
	}
	return t.DO.Create(values)
}

func (t tenantLedgerQueryDo) CreateInBatches(values []*TenantLedger, batchSize int) error {
	return t.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 (t tenantLedgerQueryDo) Save(values ...*TenantLedger) error {
	if len(values) == 0 {
		return nil
	}
	return t.DO.Save(values)
}

func (t tenantLedgerQueryDo) First() (*TenantLedger, error) {
	if result, err := t.DO.First(); err != nil {
		return nil, err
	} else {
		return result.(*TenantLedger), nil
	}
}

func (t tenantLedgerQueryDo) Take() (*TenantLedger, error) {
	if result, err := t.DO.Take(); err != nil {
		return nil, err
	} else {
		return result.(*TenantLedger), nil
	}
}

func (t tenantLedgerQueryDo) Last() (*TenantLedger, error) {
	if result, err := t.DO.Last(); err != nil {
		return nil, err
	} else {
		return result.(*TenantLedger), nil
	}
}

func (t tenantLedgerQueryDo) Find() ([]*TenantLedger, error) {
	result, err := t.DO.Find()
	return result.([]*TenantLedger), err
}

func (t tenantLedgerQueryDo) FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*TenantLedger, err error) {
	buf := make([]*TenantLedger, 0, batchSize)
	err = t.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 (t tenantLedgerQueryDo) FindInBatches(result *[]*TenantLedger, batchSize int, fc func(tx gen.Dao, batch int) error) error {
	return t.DO.FindInBatches(result, batchSize, fc)
}

func (t tenantLedgerQueryDo) Attrs(attrs ...field.AssignExpr) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Attrs(attrs...))
}

func (t tenantLedgerQueryDo) Assign(attrs ...field.AssignExpr) *tenantLedgerQueryDo {
	return t.withDO(t.DO.Assign(attrs...))
}

func (t tenantLedgerQueryDo) Joins(fields ...field.RelationField) *tenantLedgerQueryDo {
	for _, _f := range fields {
		t = *t.withDO(t.DO.Joins(_f))
	}
	return &t
}

func (t tenantLedgerQueryDo) Preload(fields ...field.RelationField) *tenantLedgerQueryDo {
	for _, _f := range fields {
		t = *t.withDO(t.DO.Preload(_f))
	}
	return &t
}

func (t tenantLedgerQueryDo) FirstOrInit() (*TenantLedger, error) {
	if result, err := t.DO.FirstOrInit(); err != nil {
		return nil, err
	} else {
		return result.(*TenantLedger), nil
	}
}

func (t tenantLedgerQueryDo) FirstOrCreate() (*TenantLedger, error) {
	if result, err := t.DO.FirstOrCreate(); err != nil {
		return nil, err
	} else {
		return result.(*TenantLedger), nil
	}
}

func (t tenantLedgerQueryDo) FindByPage(offset int, limit int) (result []*TenantLedger, count int64, err error) {
	result, err = t.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 = t.Offset(-1).Limit(-1).Count()
	return
}

func (t tenantLedgerQueryDo) ScanByPage(result interface{}, offset int, limit int) (count int64, err error) {
	count, err = t.Count()
	if err != nil {
		return
	}

	err = t.Offset(offset).Limit(limit).Scan(result)
	return
}

func (t tenantLedgerQueryDo) Scan(result interface{}) (err error) {
	return t.DO.Scan(result)
}

func (t tenantLedgerQueryDo) Delete(models ...*TenantLedger) (result gen.ResultInfo, err error) {
	return t.DO.Delete(models)
}

// ForceDelete performs a permanent delete (ignores soft-delete) for current scope.
func (t tenantLedgerQueryDo) ForceDelete() (gen.ResultInfo, error) {
	return t.Unscoped().Delete()
}

// Inc increases the given column by step for current scope.
func (t tenantLedgerQueryDo) Inc(column field.Expr, step int64) (gen.ResultInfo, error) {
	// column = column + step
	e := field.NewUnsafeFieldRaw("?+?", column.RawExpr(), step)
	return t.DO.UpdateColumn(column, e)
}

// Dec decreases the given column by step for current scope.
func (t tenantLedgerQueryDo) Dec(column field.Expr, step int64) (gen.ResultInfo, error) {
	// column = column - step
	e := field.NewUnsafeFieldRaw("?-?", column.RawExpr(), step)
	return t.DO.UpdateColumn(column, e)
}

// Sum returns SUM(column) for current scope.
func (t tenantLedgerQueryDo) Sum(column field.Expr) (float64, error) {
	var _v float64
	agg := field.NewUnsafeFieldRaw("SUM(?)", column.RawExpr())
	if err := t.Select(agg).Scan(&_v); err != nil {
		return 0, err
	}
	return _v, nil
}

// Avg returns AVG(column) for current scope.
func (t tenantLedgerQueryDo) Avg(column field.Expr) (float64, error) {
	var _v float64
	agg := field.NewUnsafeFieldRaw("AVG(?)", column.RawExpr())
	if err := t.Select(agg).Scan(&_v); err != nil {
		return 0, err
	}
	return _v, nil
}

// Min returns MIN(column) for current scope.
func (t tenantLedgerQueryDo) Min(column field.Expr) (float64, error) {
	var _v float64
	agg := field.NewUnsafeFieldRaw("MIN(?)", column.RawExpr())
	if err := t.Select(agg).Scan(&_v); err != nil {
		return 0, err
	}
	return _v, nil
}

// Max returns MAX(column) for current scope.
func (t tenantLedgerQueryDo) Max(column field.Expr) (float64, error) {
	var _v float64
	agg := field.NewUnsafeFieldRaw("MAX(?)", column.RawExpr())
	if err := t.Select(agg).Scan(&_v); err != nil {
		return 0, err
	}
	return _v, nil
}

// PluckMap returns a map[key]value for selected key/value expressions within current scope.
func (t tenantLedgerQueryDo) PluckMap(key, val field.Expr) (map[interface{}]interface{}, error) {
	do := t.Select(key, val)
	rows, err := do.DO.Rows()
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	mm := make(map[interface{}]interface{})
	for rows.Next() {
		var k interface{}
		var v interface{}
		if err := rows.Scan(&k, &v); err != nil {
			return nil, err
		}
		mm[k] = v
	}
	return mm, rows.Err()
}

// Exists returns true if any record matches the given conditions.
func (t tenantLedgerQueryDo) Exists(conds ...gen.Condition) (bool, error) {
	cnt, err := t.Where(conds...).Count()
	if err != nil {
		return false, err
	}
	return cnt > 0, nil
}

// PluckIDs returns all primary key values under current scope.
func (t tenantLedgerQueryDo) PluckIDs() ([]int64, error) {
	ids := make([]int64, 0, 16)
	pk := field.NewInt64(t.TableName(), "id")
	if err := t.DO.Pluck(pk, &ids); err != nil {
		return nil, err
	}
	return ids, nil
}

// GetByID finds a single record by primary key.
func (t tenantLedgerQueryDo) GetByID(id int64) (*TenantLedger, error) {
	pk := field.NewInt64(t.TableName(), "id")
	return t.Where(pk.Eq(id)).First()
}

// GetByIDs finds records by primary key list.
func (t tenantLedgerQueryDo) GetByIDs(ids ...int64) ([]*TenantLedger, error) {
	if len(ids) == 0 {
		return []*TenantLedger{}, nil
	}
	pk := field.NewInt64(t.TableName(), "id")
	return t.Where(pk.In(ids...)).Find()
}

// DeleteByID deletes records by primary key.
func (t tenantLedgerQueryDo) DeleteByID(id int64) (gen.ResultInfo, error) {
	pk := field.NewInt64(t.TableName(), "id")
	return t.Where(pk.Eq(id)).Delete()
}

// DeleteByIDs deletes records by a list of primary keys.
func (t tenantLedgerQueryDo) DeleteByIDs(ids ...int64) (gen.ResultInfo, error) {
	if len(ids) == 0 {
		return gen.ResultInfo{RowsAffected: 0, Error: nil}, nil
	}
	pk := field.NewInt64(t.TableName(), "id")
	return t.Where(pk.In(ids...)).Delete()
}

func (t *tenantLedgerQueryDo) withDO(do gen.Dao) *tenantLedgerQueryDo {
	t.DO = *do.(*gen.DO)
	return t
}