case schema.Time:
				if !strings.EqualFold(strings.TrimSuffix(dv, "()"), strings.TrimSuffix(field.DefaultValue, "()")) {
					alterColumn = true
				}
			case schema.Bool:
				v1, _ := strconv.ParseBool(dv)
				v2, _ := strconv.ParseBool(field.DefaultValue)
				alterColumn = v1 != v2
			default:
				alterColumn = dv != field.DefaultValue
			}
		}
	}

	// check comment

package tests_test

import (
	"context"
	"database/sql"
	"database/sql/driver"
	"encoding/json"
	"errors"
	"fmt"
	"reflect"
	"regexp"
	"strconv"
	"testing"
	"time"

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	. "gorm.io/gorm/utils/tests"
)

func TestScannerValuer(t *testing.T) {
	DB.Migrator().DropTable(&ScannerValuerStruct{})
	if err := DB.Migrator().AutoMigrate(&ScannerValuerStruct{}); err != nil {

}

func TestNestedPreloadWithUnscoped(t *testing.T) {
	user := *GetUser("nested_preload", Config{Pets: 1})
	pet := user.Pets[0]
	pet.Toy = Toy{Name: "toy_nested_preload_" + strconv.Itoa(1)}
	pet.Toy = Toy{Name: "toy_nested_preload_" + strconv.Itoa(2)}

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	var user2 User

package gorm

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

	"gorm.io/gorm/clause"
	"gorm.io/gorm/logger"
	"gorm.io/gorm/schema"
	"gorm.io/gorm/utils"
)

// Statement statement
type Statement struct {
	*DB
	TableExpr            *clause.Expr
	Table                string
	Model                interface{}

	if num, ok := field.TagSettings["AUTOINCREMENTINCREMENT"]; ok {
		field.AutoIncrementIncrement, _ = strconv.ParseInt(num, 10, 64)
	}

	if v, ok := field.TagSettings["DEFAULT"]; ok {
		field.HasDefaultValue = true
		field.DefaultValue = v
	}

	if num, ok := field.TagSettings["SIZE"]; ok {
		if field.Size, err = strconv.Atoi(num); err != nil {
			field.Size = -1
		}
	}