postgres:
    image: 'postgres:latest'
    ports:
      - "9920:5432"
    environment:
      - TZ=Asia/Shanghai
      - POSTGRES_DB=gorm
      - POSTGRES_USER=gorm
      - POSTGRES_PASSWORD=gorm
  mssql:
    image: '${MSSQL_IMAGE:-mcmoe/mssqldocker}:latest'
    ports:
      - "9930:1433"
    environment:
      - TZ=Asia/Shanghai
      - ACCEPT_EULA=Y
      - SA_PASSWORD=LoremIpsum86
      - MSSQL_DB=gorm

    services:
      postgres:
        image: ${{ matrix.dbversion }}
        env:
          POSTGRES_PASSWORD: gorm
          POSTGRES_USER: gorm
          POSTGRES_DB: gorm
          TZ: Asia/Shanghai
        ports:
          - 9920:5432
        # Set health checks to wait until postgres has started
        options: >-
          --health-cmd pg_isready
          --health-interval 10s

package tests

import (
	"database/sql/driver"
	"fmt"
	"go/ast"
	"reflect"
	"testing"
	"time"

	"gorm.io/gorm/utils"
)

func AssertObjEqual(t *testing.T, r, e interface{}, names ...string) {
	for _, name := range names {
		rv := reflect.Indirect(reflect.ValueOf(r))
		ev := reflect.Indirect(reflect.ValueOf(e))
		if rv.IsValid() != ev.IsValid() {
			t.Errorf("%v: expect: %+v, got %+v", utils.FileWithLineNum(), r, e)
			return

package tests_test

import (
	"testing"

	"gorm.io/driver/mysql"

	"gorm.io/gorm"
)

func TestOpen(t *testing.T) {
	dsn := "gorm:gorm@tcp(localhost:9910)/gorm?loc=Asia%2FHongKong" // invalid loc
	_, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
	if err == nil {
		t.Fatalf("should returns error but got nil")
	}
}

func TestReturningWithNullToZeroValues(t *testing.T) {
	dialect := DB.Dialector.Name()
	switch dialect {

)

var DB *gorm.DB
var (
	mysqlDSN     = "gorm:gorm@tcp(localhost:9910)/gorm?charset=utf8&parseTime=True&loc=Local"
	postgresDSN  = "user=gorm password=gorm dbname=gorm host=localhost port=9920 sslmode=disable TimeZone=Asia/Shanghai"
	sqlserverDSN = "sqlserver://gorm:LoremIpsum86@localhost:9930?database=gorm"
	tidbDSN      = "root:@tcp(localhost:9940)/test?charset=utf8&parseTime=True&loc=Local"
)

func init() {
	var err error

package schema

import (
	"context"
	"errors"
	"fmt"
	"go/ast"
	"reflect"
	"strings"
	"sync"

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

type callbackType string

const (
	callbackTypeBeforeCreate callbackType = "BeforeCreate"
	callbackTypeBeforeUpdate callbackType = "BeforeUpdate"
	callbackTypeAfterCreate  callbackType = "AfterCreate"
	callbackTypeAfterUpdate  callbackType = "AfterUpdate"