func TestConvertingNilValueShouldReturnEmptyString(t *testing.T) {
converter := sqltocsv.New(getTestRowsByQuery(t, "SELECT|people|name,nickname,age|"))
expected := "name,nickname,age\nAlice,\"\",1\n"
actual := converter.String()
assertCsvMatch(t, expected, actual)
}
func getConverter(t *testing.T) *sqltocsv.Converter {
return sqltocsv.New(getTestRows(t))
}