"strconv"
	"strings"
	"time"

	"github.com/go-sql-driver/mysql"
	"github.com/minio/minio/internal/event"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/minio/internal/once"
	"github.com/minio/minio/internal/store"
	xnet "github.com/minio/pkg/v3/net"
)

const (
	mysqlTableExists = `SELECT 1 FROM %s;`
	// Some MySQL has a 3072 byte limit on key sizes.
	mysqlCreateNamespaceTable = `CREATE TABLE %s (

	}).Where("name in ?", names).Find(ctx)
	if err == nil {
		t.Fatalf("Preload should failed, but got nil")
	}

	if DB.Dialector.Name() == "mysql" {
		// mysql 5.7 doesn't support row_number()
		if strings.HasPrefix(DB.Dialector.(*mysql.Dialector).ServerVersion, "5.7") {
			return
		}
	}
	results, err = db.Preload("Pets", func(db gorm.PreloadBuilder) error {
		db.LimitPerRecord(5)
		return nil

		t.Skip("skip sqlite, sqlserver due to it doesn't support multiple primary keys with auto increment")
	}

	if name := DB.Dialector.Name(); name == "postgres" || name == "mysql" || name == "gaussdb" {
		stmt := gorm.Statement{DB: DB}
		stmt.Parse(&Blog{})
		stmt.Schema.LookUpField("ID").Unique = true
		stmt.Parse(&Tag{})
		stmt.Schema.LookUpField("ID").Unique = true

	nullTime := sql.NullTime{}
	err := nullTime.Scan(v)
	t.Time = nullTime.Time
	return err
}

func (t EmptyTime) Value() (driver.Value, error) {
	return time.Now() /* pass tests, mysql 8 doesn't support 0000-00-00 by default */, nil
}

type NullString struct {
	sql.NullString
}

type Point struct {
	X, Y int
}

func (point Point) GormDataType() string {
	return "geo"

		t.Fatalf("Failed to scan age, got %v", err)
	}

	if age != 10 {
		t.Errorf("Scan with Row, age expects: %v, got %v", user2.Age, age)
	}

	table := "gorm.users"
	if DB.Dialector.Name() != "mysql" || isTiDB() {
		table = "users" // other databases doesn't support select with `database.table`
	}

	DB.Table(table).Where(map[string]interface{}{"name": user2.Name}).Update("age", 20)

func (db *DB) SavePoint(name string) *DB {
	if savePointer, ok := db.Dialector.(SavePointerDialectorInterface); ok {
		// close prepared statement, because SavePoint not support prepared statement.
		// e.g. mysql8.0 doc: https://dev.mysql.com/doc/refman/8.0/en/sql-prepared-statements.html
		var (
			preparedStmtTx   *PreparedStmtTX
			isPreparedStmtTx bool
		)
		// close prepared statement, because SavePoint not support prepared statement.

	Name                   string `gorm:"uniqueIndex:uniq_user_id_name;size:256"`
}

func TestAssociationEmptyPrimaryKey(t *testing.T) {
	if DB.Dialector.Name() != "mysql" {
		t.Skip()
	}
	DB.Migrator().DropTable(&AssociationEmptyUser{}, &AssociationEmptyPet{})
	DB.AutoMigrate(&AssociationEmptyUser{}, &AssociationEmptyPet{})

	id := uint(100)
	user := AssociationEmptyUser{

	github.com/fatih/color v1.18.0
	github.com/felixge/fgprof v0.9.5
	github.com/fraugster/parquet-go v0.12.0
	github.com/go-ldap/ldap/v3 v3.4.11
	github.com/go-openapi/loads v0.22.0
	github.com/go-sql-driver/mysql v1.9.2
	github.com/gobwas/ws v1.4.0
	github.com/golang-jwt/jwt/v4 v4.5.2
	github.com/gomodule/redigo v1.9.2
	github.com/google/uuid v1.6.0
	github.com/inconshreveable/mousetrap v1.1.0
	github.com/json-iterator/go v1.1.12

А также множество образов для разных вещей, например баз данных:

* <a href="https://hub.docker.com/_/postgres" class="external-link" target="_blank">PostgreSQL</a>
* <a href="https://hub.docker.com/_/mysql" class="external-link" target="_blank">MySQL</a>
* <a href="https://hub.docker.com/_/mongo" class="external-link" target="_blank">MongoDB</a>
* <a href="https://hub.docker.com/_/redis" class="external-link" target="_blank">Redis</a>, и т.д.

		t.Skip("skip sqlite, sqlserver due to it doesn't support multiple primary keys with auto increment")
	}

	if name := DB.Dialector.Name(); name == "mysql" {
		t.Skip("skip mysql due to it only allow unique constraint matching given keys")
	}

	type (
		Level1 struct {
			ID           uint   `gorm:"primary_key;"`
			LanguageCode string `gorm:"primary_key"`