} else if ref.PrimaryValue != "" {
				conds = append(conds, clause.Eq{
					Column: clause.Column{Table: rel.JoinTable.Table, Name: ref.ForeignKey.DBName},
					Value:  ref.PrimaryValue,
				})
			} else {
				conds = append(conds, clause.Eq{
					Column: clause.Column{Table: rel.JoinTable.Table, Name: ref.ForeignKey.DBName},
					Value:  clause.Column{Table: rel.FieldSchema.Table, Name: ref.PrimaryKey.DBName},
				})

	newDB.Clauses(
		clause.From{
			Tables: []clause.Table{{Name: "users"}},
			Joins: []clause.Join{
				{
					Table: clause.Table{Name: "companies", Raw: false},
					ON: clause.Where{
						Exprs: []clause.Expression{
							clause.Eq{
								Column: clause.Column{
									Table: "users",
									Name:  "company_id",
								},
								Value: clause.Column{
									Table: "companies",

		Field *schema.Field
	}
)

func (myType) QueryClauses(f *schema.Field) []clause.Interface {
	return []clause.Interface{emptyQueryClause{Field: f}}
}

func (sd emptyQueryClause) Name() string {
	return "empty"
}

func (sd emptyQueryClause) Build(clause.Builder) {
}

func (sd emptyQueryClause) MergeClause(*clause.Clause) {
}

func (sd emptyQueryClause) ModifyStatement(stmt *gorm.Statement) {

package schema

import (
	"context"
	"database/sql"
	"database/sql/driver"
	"fmt"
	"reflect"
	"strconv"
	"strings"
	"sync"
	"time"

	"github.com/jinzhu/now"
	"gorm.io/gorm/clause"
	"gorm.io/gorm/utils"
)

// special types' reflect type
var (
	TimeReflectType    = reflect.TypeOf(time.Time{})
	TimePtrReflectType = reflect.TypeOf(&time.Time{})
	ByteReflectType    = reflect.TypeOf(uint8(0))
)

type (