toSql method
Implementation
String toSql() {
if (_select != null) {
return _selectSql();
} else if (_delete != null) {
return _deleteSql();
} else if (_update != null) {
return _updateSql();
} else if (_count != null) {
return _countSql();
} else if (_insert != null) {
return _insertSql();
} else {
throw Exception('No se indicó una statement.');
}
}