nit

errors.go

@@ -91,9 +91,9 @@ var (
 	errAppenderClose            = errors.New("could not close appender")
 	errAppenderFlush            = errors.New("could not flush appender")
 
-	errEmptyName             = errors.New("empty name")
-	errInvalidDecimalWidth   = fmt.Errorf("the DECIMAL with must be between 1 and %d", MAX_DECIMAL_WIDTH)
-	errScaleGreaterThanWidth = errors.New("the DECIMAL scale must not be greater than its width")
+	errEmptyName           = errors.New("empty name")
+	errInvalidDecimalWidth = fmt.Errorf("the DECIMAL with must be between 1 and %d", MAX_DECIMAL_WIDTH)
+	errInvalidDecimalScale = errors.New("the DECIMAL scale must be less than or equal to the width")
 
 	// Errors not covered in tests.
 	errConnect      = errors.New("could not connect to database")

type_info.go

@@ -108,7 +108,7 @@ func NewDecimalInfo(width uint8, scale uint8) (TypeInfo, error) {
 		return nil, getError(errAPI, errInvalidDecimalWidth)
 	}
 	if scale > width {
-		return nil, getError(errAPI, errScaleGreaterThanWidth)
+		return nil, getError(errAPI, errInvalidDecimalScale)
 	}
 
 	return &typeInfo{

type_info_test.go

@@ -93,7 +93,7 @@ func TestErrTypeInfo(t *testing.T) {
 	_, err = NewDecimalInfo(42, 20)
 	testError(t, err, errAPI.Error(), errInvalidDecimalWidth.Error())
 	_, err = NewDecimalInfo(5, 6)
-	testError(t, err, errAPI.Error(), errScaleGreaterThanWidth.Error())
+	testError(t, err, errAPI.Error(), errInvalidDecimalScale.Error())
 
 	// Invalid ENUM.
 	_, err = NewEnumInfo("hello", "hello")