Method distinct

sdk/src/CloudQuery.js:777–828

(keys, callback)

    };

    distinct(keys, callback) {

        if (keys === 'id') {
            keys = '_id';
        }

        if (!CB.appId) {
            throw "CB.appId is null.";
        }
        if (!this.tableName) {
            throw "TableName is null.";
        }
        if (Object.prototype.toString.call(keys) !== '[object Array]' && keys.length <= 0) {
            throw "keys should be array";
        }
        var def;
        if (!callback) {
            def = new CB.Promise();
        }

        var thisObj = this;

        var params = JSON.stringify({
            onKey: keys,
            query: thisObj.query,
            select: thisObj.select,
            sort: thisObj.sort,
            limit: thisObj.limit,
            skip: thisObj.skip,
            key: CB.appKey
        });
        var url = CB.apiUrl + "/data/" + CB.appId + "/" + thisObj.tableName + '/distinct';

        CB._request('POST', url, params).then(function(response) {
            var object = CB.fromJSON(JSON.parse(response));
            if (callback) {
                callback.success(object);
            } else {
                def.resolve(object);
            }
        }, function(err) {
            if (callback) {
                callback.error(err);
            } else {
                def.reject(err);
            }
        });

        if (!callback) {
            return def.promise;
        }
    };

    find(callback) { //find the document(s) matching the given query
        if (!CB.appId) {