// 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 dbquery

import (
	"context"

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

	"gorm.io/gen"
	"gorm.io/gen/field"

	"gorm.io/plugin/dbresolver"

	"joylink.club/bj-rtsts-server/db/model"
)

func newTrainSize(db *gorm.DB, opts ...gen.DOOption) trainSize {
	_trainSize := trainSize{}

	_trainSize.trainSizeDo.UseDB(db, opts...)
	_trainSize.trainSizeDo.UseModel(&model.TrainSize{})

	tableName := _trainSize.trainSizeDo.TableName()
	_trainSize.ALL = field.NewAsterisk(tableName)
	_trainSize.ID = field.NewInt32(tableName, "id")
	_trainSize.Name = field.NewString(tableName, "name")
	_trainSize.CarriageLength = field.NewInt32(tableName, "carriage_length")
	_trainSize.TotalLength = field.NewInt32(tableName, "total_length")
	_trainSize.Description = field.NewString(tableName, "description")

	_trainSize.fillFieldMap()

	return _trainSize
}

type trainSize struct {
	trainSizeDo

	ALL            field.Asterisk
	ID             field.Int32  // 主键
	Name           field.String // 名称
	CarriageLength field.Int32  // 列车车厢长度
	TotalLength    field.Int32  // 总长度
	Description    field.String // 其他描述内容

	fieldMap map[string]field.Expr
}

func (t trainSize) Table(newTableName string) *trainSize {
	t.trainSizeDo.UseTable(newTableName)
	return t.updateTableName(newTableName)
}

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

func (t *trainSize) updateTableName(table string) *trainSize {
	t.ALL = field.NewAsterisk(table)
	t.ID = field.NewInt32(table, "id")
	t.Name = field.NewString(table, "name")
	t.CarriageLength = field.NewInt32(table, "carriage_length")
	t.TotalLength = field.NewInt32(table, "total_length")
	t.Description = field.NewString(table, "description")

	t.fillFieldMap()

	return t
}

func (t *trainSize) 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 *trainSize) fillFieldMap() {
	t.fieldMap = make(map[string]field.Expr, 5)
	t.fieldMap["id"] = t.ID
	t.fieldMap["name"] = t.Name
	t.fieldMap["carriage_length"] = t.CarriageLength
	t.fieldMap["total_length"] = t.TotalLength
	t.fieldMap["description"] = t.Description
}

func (t trainSize) clone(db *gorm.DB) trainSize {
	t.trainSizeDo.ReplaceConnPool(db.Statement.ConnPool)
	return t
}

func (t trainSize) replaceDB(db *gorm.DB) trainSize {
	t.trainSizeDo.ReplaceDB(db)
	return t
}

type trainSizeDo struct{ gen.DO }

type ITrainSizeDo interface {
	gen.SubQuery
	Debug() ITrainSizeDo
	WithContext(ctx context.Context) ITrainSizeDo
	WithResult(fc func(tx gen.Dao)) gen.ResultInfo
	ReplaceDB(db *gorm.DB)
	ReadDB() ITrainSizeDo
	WriteDB() ITrainSizeDo
	As(alias string) gen.Dao
	Session(config *gorm.Session) ITrainSizeDo
	Columns(cols ...field.Expr) gen.Columns
	Clauses(conds ...clause.Expression) ITrainSizeDo
	Not(conds ...gen.Condition) ITrainSizeDo
	Or(conds ...gen.Condition) ITrainSizeDo
	Select(conds ...field.Expr) ITrainSizeDo
	Where(conds ...gen.Condition) ITrainSizeDo
	Order(conds ...field.Expr) ITrainSizeDo
	Distinct(cols ...field.Expr) ITrainSizeDo
	Omit(cols ...field.Expr) ITrainSizeDo
	Join(table schema.Tabler, on ...field.Expr) ITrainSizeDo
	LeftJoin(table schema.Tabler, on ...field.Expr) ITrainSizeDo
	RightJoin(table schema.Tabler, on ...field.Expr) ITrainSizeDo
	Group(cols ...field.Expr) ITrainSizeDo
	Having(conds ...gen.Condition) ITrainSizeDo
	Limit(limit int) ITrainSizeDo
	Offset(offset int) ITrainSizeDo
	Count() (count int64, err error)
	Scopes(funcs ...func(gen.Dao) gen.Dao) ITrainSizeDo
	Unscoped() ITrainSizeDo
	Create(values ...*model.TrainSize) error
	CreateInBatches(values []*model.TrainSize, batchSize int) error
	Save(values ...*model.TrainSize) error
	First() (*model.TrainSize, error)
	Take() (*model.TrainSize, error)
	Last() (*model.TrainSize, error)
	Find() ([]*model.TrainSize, error)
	FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*model.TrainSize, err error)
	FindInBatches(result *[]*model.TrainSize, batchSize int, fc func(tx gen.Dao, batch int) error) error
	Pluck(column field.Expr, dest interface{}) error
	Delete(...*model.TrainSize) (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) ITrainSizeDo
	Assign(attrs ...field.AssignExpr) ITrainSizeDo
	Joins(fields ...field.RelationField) ITrainSizeDo
	Preload(fields ...field.RelationField) ITrainSizeDo
	FirstOrInit() (*model.TrainSize, error)
	FirstOrCreate() (*model.TrainSize, error)
	FindByPage(offset int, limit int) (result []*model.TrainSize, 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) ITrainSizeDo
	UnderlyingDB() *gorm.DB
	schema.Tabler
}

func (t trainSizeDo) Debug() ITrainSizeDo {
	return t.withDO(t.DO.Debug())
}

func (t trainSizeDo) WithContext(ctx context.Context) ITrainSizeDo {
	return t.withDO(t.DO.WithContext(ctx))
}

func (t trainSizeDo) ReadDB() ITrainSizeDo {
	return t.Clauses(dbresolver.Read)
}

func (t trainSizeDo) WriteDB() ITrainSizeDo {
	return t.Clauses(dbresolver.Write)
}

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

func (t trainSizeDo) Clauses(conds ...clause.Expression) ITrainSizeDo {
	return t.withDO(t.DO.Clauses(conds...))
}

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

func (t trainSizeDo) Not(conds ...gen.Condition) ITrainSizeDo {
	return t.withDO(t.DO.Not(conds...))
}

func (t trainSizeDo) Or(conds ...gen.Condition) ITrainSizeDo {
	return t.withDO(t.DO.Or(conds...))
}

func (t trainSizeDo) Select(conds ...field.Expr) ITrainSizeDo {
	return t.withDO(t.DO.Select(conds...))
}

func (t trainSizeDo) Where(conds ...gen.Condition) ITrainSizeDo {
	return t.withDO(t.DO.Where(conds...))
}

func (t trainSizeDo) Order(conds ...field.Expr) ITrainSizeDo {
	return t.withDO(t.DO.Order(conds...))
}

func (t trainSizeDo) Distinct(cols ...field.Expr) ITrainSizeDo {
	return t.withDO(t.DO.Distinct(cols...))
}

func (t trainSizeDo) Omit(cols ...field.Expr) ITrainSizeDo {
	return t.withDO(t.DO.Omit(cols...))
}

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

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

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

func (t trainSizeDo) Group(cols ...field.Expr) ITrainSizeDo {
	return t.withDO(t.DO.Group(cols...))
}

func (t trainSizeDo) Having(conds ...gen.Condition) ITrainSizeDo {
	return t.withDO(t.DO.Having(conds...))
}

func (t trainSizeDo) Limit(limit int) ITrainSizeDo {
	return t.withDO(t.DO.Limit(limit))
}

func (t trainSizeDo) Offset(offset int) ITrainSizeDo {
	return t.withDO(t.DO.Offset(offset))
}

func (t trainSizeDo) Scopes(funcs ...func(gen.Dao) gen.Dao) ITrainSizeDo {
	return t.withDO(t.DO.Scopes(funcs...))
}

func (t trainSizeDo) Unscoped() ITrainSizeDo {
	return t.withDO(t.DO.Unscoped())
}

func (t trainSizeDo) Create(values ...*model.TrainSize) error {
	if len(values) == 0 {
		return nil
	}
	return t.DO.Create(values)
}

func (t trainSizeDo) CreateInBatches(values []*model.TrainSize, 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 trainSizeDo) Save(values ...*model.TrainSize) error {
	if len(values) == 0 {
		return nil
	}
	return t.DO.Save(values)
}

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

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

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

func (t trainSizeDo) Find() ([]*model.TrainSize, error) {
	result, err := t.DO.Find()
	return result.([]*model.TrainSize), err
}

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

func (t trainSizeDo) Attrs(attrs ...field.AssignExpr) ITrainSizeDo {
	return t.withDO(t.DO.Attrs(attrs...))
}

func (t trainSizeDo) Assign(attrs ...field.AssignExpr) ITrainSizeDo {
	return t.withDO(t.DO.Assign(attrs...))
}

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

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

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

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

func (t trainSizeDo) FindByPage(offset int, limit int) (result []*model.TrainSize, 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 trainSizeDo) 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 trainSizeDo) Scan(result interface{}) (err error) {
	return t.DO.Scan(result)
}

func (t trainSizeDo) Delete(models ...*model.TrainSize) (result gen.ResultInfo, err error) {
	return t.DO.Delete(models)
}

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