if !regexp.MustCompile(`UPDATE .users. SET .deleted_at.=.* WHERE .users.\..id. = .* AND .users.\..deleted_at. IS NULL`).MatchString(sql) {
		t.Fatalf("invalid sql generated, got %v", sql)
	}

	sql = DB.Session(&gorm.Session{DryRun: true}).Table("user u").Select("name").Find(&User{}).Statement.SQL.String()
	if !regexp.MustCompile(`SELECT .name. FROM user u WHERE .u.\..deleted_at. IS NULL`).MatchString(sql) {

	r := dryDB.Table("`user`").Find(&User{}).Statement
	if !regexp.MustCompile("SELECT \\* FROM `user`").MatchString(r.Statement.SQL.String()) {
		t.Errorf("Table with escape character, got %v", r.Statement.SQL.String())
	}

	r = dryDB.Table("user as u").Select("name").Find(&User{}).Statement
	if !regexp.MustCompile("SELECT .name. FROM user as u WHERE .u.\\..deleted_at. IS NULL").MatchString(r.Statement.SQL.String()) {

package schema

import (
	"regexp"
	"strings"

	"gorm.io/gorm/clause"
)

// reg match english letters and midline
var regEnLetterAndMidline = regexp.MustCompile(`^[\w-]+$`)

type CheckConstraint struct {
	Name       string
	Constraint string // length(phone) >= 10
	*Field
}

func (chk *CheckConstraint) GetName() string { return chk.Name }

func (chk *CheckConstraint) Build() (sql string, vars []interface{}) {

	result := dryDB.Table("users").Select("name").Count(&count)
	if !regexp.MustCompile(`SELECT COUNT\(.name.\) FROM .*users.*`).MatchString(result.Statement.SQL.String()) {
		t.Fatalf("Build count with select, but got %v", result.Statement.SQL.String())
	}

	result = dryDB.Table("users").Distinct("name").Count(&count)
	if !regexp.MustCompile(`SELECT COUNT\(DISTINCT\(.name.\)\) FROM .*users.*`).MatchString(result.Statement.SQL.String()) {

	if !regexp.MustCompile("SELECT .* FROM .users. left join pets.*join accounts.*").MatchString(stmt.SQL.String()) {
		t.Errorf("joins should be ordered, but got %v", stmt.SQL.String())
	}

		},
		{
			SQL:           "create table users (name, age, height, actived, bytes, create_at, update_at, deleted_at, email, role, pass) values (@p1, @p2, @p3, @p4, @p5, @p6, @p7, @p8, @p9, @p10, @p11)",
			NumericRegexp: regexp.MustCompile(`@p(\d+)`),
			Vars:          []interface{}{"jinzhu", 1, 999.99, true, []byte("12345"), tt, &tt, nil, "******@****.***", myrole, pwd},

var convertibleTypes = []reflect.Type{reflect.TypeOf(time.Time{}), reflect.TypeOf(false), reflect.TypeOf([]byte{})}

// RegEx matches only numeric values
var numericPlaceholderRe = regexp.MustCompile(`\$\d+\$`)

func isNumeric(k reflect.Kind) bool {
	switch k {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		return true

		Name:  "jinzhu",
		Point: Point{X: 100, Y: 100},
	}).Statement

	if stmt.SQL.String() == "" || len(stmt.Vars) != 2 {
		t.Errorf("Failed to generate sql, got %v", stmt.SQL.String())
	}

	if !regexp.MustCompile(`INSERT INTO .user_with_points. \(.name.,.point.\) VALUES \(.+,ST_PointFromText\(.+\)\)`).MatchString(stmt.SQL.String()) {
		t.Errorf("insert with sql.Expr, but got %v", stmt.SQL.String())
	}

		}

		r := DB.Session(&gorm.Session{DryRun: true}).Clauses(clause.OnConflict{UpdateAll: true}).Create(&RestrictedLanguage{Code: "upsert_code", Name: "upsert_name", Lang: "upsert_lang"})
		if !regexp.MustCompile(`INTO .restricted_languages. .*\(.code.,.name.,.lang.\) .* (SET|UPDATE) .name.=.*.name.\W*$`).MatchString(r.Statement.SQL.String()) {
			t.Errorf("Table with escape character, got %v", r.Statement.SQL.String())
		}
	}

}

func (ns NamingStrategy) toSchemaName(name string) string {
	result := strings.ReplaceAll(strings.Title(strings.ReplaceAll(name, "_", " ")), " ", "")
	for _, initialism := range commonInitialisms {
		result = regexp.MustCompile(strings.Title(strings.ToLower(initialism))+"([A-Z]|$|_)").ReplaceAllString(result, initialism+"$1")
	}
	return result