replace interface{} with any (#1561)

README.md

@@ -326,7 +326,7 @@ It's possible to access the last inserted ID and number of affected rows for mul
 
 ```go
 conn, _ := db.Conn(ctx)
-conn.Raw(func(conn interface{}) error {
+conn.Raw(func(conn any) error {
   ex := conn.(driver.Execer)
   res, err := ex.Exec(`
   UPDATE point SET x = 1 WHERE y = 2;

errors.go

@@ -41,14 +41,14 @@ var defaultLogger = Logger(log.New(os.Stderr, "[mysql] ", log.Ldate|log.Ltime|lo
 
 // Logger is used to log critical error messages.
 type Logger interface {
-	Print(v ...interface{})
+	Print(v ...any)
 }
 
 // NopLogger is a nop implementation of the Logger interface.
 type NopLogger struct{}
 
 // Print implements Logger interface.
-func (nl *NopLogger) Print(_ ...interface{}) {}
+func (nl *NopLogger) Print(_ ...any) {}
 
 // SetLogger is used to set the default logger for critical errors.
 // The initial logger is os.Stderr.

fields.go

@@ -134,7 +134,7 @@ var (
 	scanTypeString     = reflect.TypeOf("")
 	scanTypeNullString = reflect.TypeOf(sql.NullString{})
 	scanTypeBytes      = reflect.TypeOf([]byte{})
-	scanTypeUnknown    = reflect.TypeOf(new(interface{}))
+	scanTypeUnknown    = reflect.TypeOf(new(any))
 )
 
 type mysqlField struct {

nulltime.go

@@ -38,7 +38,7 @@ type NullTime sql.NullTime
 // Scan implements the Scanner interface.
 // The value type must be time.Time or string / []byte (formatted time-string),
 // otherwise Scan fails.
-func (nt *NullTime) Scan(value interface{}) (err error) {
+func (nt *NullTime) Scan(value any) (err error) {
 	if value == nil {
 		nt.Time, nt.Valid = time.Time{}, false
 		return

nulltime_test.go

@@ -23,7 +23,7 @@ var (
 
 func TestScanNullTime(t *testing.T) {
 	var scanTests = []struct {
-		in    interface{}
+		in    any
 		error bool
 		valid bool
 		time  time.Time

statement.go

@@ -141,7 +141,7 @@ type converter struct{}
 // implementation does not.  This function should be kept in sync with
 // database/sql/driver defaultConverter.ConvertValue() except for that
 // deliberate difference.
-func (c converter) ConvertValue(v interface{}) (driver.Value, error) {
+func (c converter) ConvertValue(v any) (driver.Value, error) {
 	if driver.IsValue(v) {
 		return v, nil
 	}

statement_test.go

@@ -77,7 +77,7 @@ func TestConvertPointer(t *testing.T) {
 }
 
 func TestConvertSignedIntegers(t *testing.T) {
-	values := []interface{}{
+	values := []any{
 		int8(-42),
 		int16(-42),
 		int32(-42),
@@ -106,7 +106,7 @@ func (u myUint64) Value() (driver.Value, error) {
 }
 
 func TestConvertUnsignedIntegers(t *testing.T) {
-	values := []interface{}{
+	values := []any{
 		uint8(42),
 		uint16(42),
 		uint32(42),