select method Null safety
指定したフィールドを、別なクエリーの検索結果で絞り込む
key
フィールド名
subKey
別なクエリーの検索対象とするフィールド名
query
別なクエリー
Implementation
void select(String key, String subKey, NCMBQuery query) {
initWhere();
var className = '';
switch (query._name) {
case 'users':
className = 'user';
break;
case 'roles':
className = 'role';
break;
case 'installations':
className = 'installation';
break;
case 'files':
className = 'file';
break;
default:
className = query._name;
break;
}
_queries['where'][key] = {};
var subQuery = query._queries;
var params = {'className': className, 'where': subQuery['where']};
if (subQuery.containsKey('limit')) {
params['limit'] = subQuery['limit'];
}
if (subQuery.containsKey('skip')) {
params['skip'] = subQuery['skip'];
}
_queries['where'][key]['\$select'] = {'query': params, 'key': subKey};
}