[BigQuery] StringConverter to support INT64

clients/bigquery/converters/converters.go

@@ -23,7 +23,7 @@ func (s StringConverter) Convert(value any) (any, error) {
 		return castedValue, nil
 	case *decimal.Decimal:
 		return castedValue.String(), nil
-	case bool:
+	case bool, int64:
 		return fmt.Sprint(castedValue), nil
 	case *ext.ExtendedTime:
 		if err := s.kd.EnsureExtendedTimeDetails(); err != nil {
@@ -32,7 +32,7 @@ func (s StringConverter) Convert(value any) (any, error) {
 
 		return castedValue.GetTime().Format(s.kd.ExtendedTimeDetails.Format), nil
 	default:
-		return nil, fmt.Errorf("expected string/*decimal.Decimal/bool received %T with value %v", value, value)
+		return nil, fmt.Errorf("expected string/*decimal.Decimal/bool/int64 received %T with value %v", value, value)
 	}
 }
 

clients/bigquery/converters/converters_test.go

@@ -31,10 +31,16 @@ func TestStringConverter_Convert(t *testing.T) {
 		assert.NoError(t, err)
 		assert.Equal(t, "true", val)
 	}
+	{
+		// int64
+		val, err := NewStringConverter(typing.Integer).Convert(int64(123))
+		assert.NoError(t, err)
+		assert.Equal(t, "123", val)
+	}
 	{
 		// Invalid
 		_, err := NewStringConverter(typing.Integer).Convert(123)
-		assert.ErrorContains(t, err, "expected string/*decimal.Decimal/bool received int with value 123")
+		assert.ErrorContains(t, err, "expected string/*decimal.Decimal/bool/int64 received int with value 123")
 	}
 	{
 		// Extended time