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

	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()

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)

package tests_test

import (
	"regexp"
	"sort"
	"testing"

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

func TestJoins(t *testing.T) {
	user := *GetUser("joins-1", Config{Company: true, Manager: true, Account: true, NamedPet: false})

	DB.Create(&user)

	var user2 User
	if err := DB.Joins("NamedPet").Joins("Company").Joins("Manager").Joins("Account").First(&user2, "users.name = ?", user.Name).Error; err != nil {

package tests_test

import (
	"errors"
	"fmt"
	"regexp"
	"testing"
	"time"

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

func TestCreate(t *testing.T) {
	user := *GetUser("create", Config{})

	if results := DB.Create(&user); results.Error != nil {
		t.Fatalf("errors happened when create: %v", results.Error)
	} else if results.RowsAffected != 1 {

package schema

import (
	"crypto/sha1"
	"encoding/hex"
	"regexp"
	"strings"
	"unicode/utf8"

	"github.com/jinzhu/inflection"
)

// Namer namer interface
type Namer interface {
	TableName(table string) string
	SchemaName(table string) string
	ColumnName(table, column string) string
	JoinTableName(joinTable string) string
	RelationshipFKName(Relationship) string
	CheckerName(table, column string) string

package tests_test

import (
	"regexp"
	"testing"
	"time"

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

func TestUpsert(t *testing.T) {
	lang := Language{Code: "upsert", Name: "Upsert"}
	if err := DB.Clauses(clause.OnConflict{DoNothing: true}).Create(&lang).Error; err != nil {
		t.Fatalf("failed to upsert, got %v", err)
	}

	lang2 := Language{Code: "upsert", Name: "Upsert"}

package migrator

import (
	"context"
	"database/sql"
	"errors"
	"fmt"
	"reflect"
	"regexp"
	"strconv"
	"strings"
	"time"

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

// This regular expression seeks to find a sequence of digits (\d+) among zero or more non-digit characters (\D*),
// with a possible trailing non-digit character (\D?).

package gorm

import (
	"fmt"
	"regexp"
	"strings"

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

// Model specify the model you would like to run db operations
//
//	// update all users's name to `hello`
//	db.Model(&User{}).Update("name", "hello")
//	// if user's primary key is non-blank, will use it as condition, then will only update that user's name to `hello`
//	db.Model(&user).Update("name", "hello")