How to use mquery - 10 common examples

}

  // make sure we don't send in the whole Document to merge()
  if (conditions instanceof Document) {
    conditions = conditions.toObject();
  }

  if (options) {
    this.setOptions(options);
  }

  if (fields) {
    this.select(fields);
  }

  if (mquery.canMerge(conditions)) {
    this.merge(conditions);
  }

  prepareDiscriminatorCriteria(this);

  try {
    this.cast(this.model);
    this._castError = null;
  } catch (err) {
    this._castError = err;
  }

  if (!callback) {
    // already merged in the conditions, don't need to send them in.
    return Query.base.findOne.call(this);
  }

Query.prototype.find = function(conditions, callback) {
  if (typeof conditions === 'function') {
    callback = conditions;
    conditions = {};
  }

  conditions = utils.toObject(conditions);

  if (mquery.canMerge(conditions)) {
    this.merge(conditions);

    prepareDiscriminatorCriteria(this);
  } else if (conditions != null) {
    this.error(new ObjectParameterError(conditions, 'filter', 'find'));
  }

  // if we don't have a callback, then just return the query object
  if (!callback) {
    return Query.base.find.call(this);
  }

  this._find(callback);

  return this;
};

}

  // make sure we don't send in the whole Document to merge()
  if (conditions instanceof Document) {
    conditions = conditions.toObject();
  }

  if (options) {
    this.setOptions(options);
  }

  if (fields) {
    this.select(fields);
  }

  if (mquery.canMerge(conditions)) {
    this.merge(conditions);
  }

  prepareDiscriminatorCriteria(this);

  try {
    this.cast(this.model);
    this._castError = null;
  } catch (err) {
    this._castError = err;
  }

  if (!callback) {
    // already merged in the conditions, don't need to send them in.
    return Query.base.findOne.call(this);
  }

}

  // make sure we don't send in the whole Document to merge()
  if (conditions instanceof Document) {
    conditions = conditions.toObject();
  }

  if (options) {
    this.setOptions(options);
  }

  if (fields) {
    this.select(fields);
  }

  if (mquery.canMerge(conditions)) {
    this.merge(conditions);
  }

  prepareDiscriminatorCriteria(this);

  try {
    this.cast(this.model);
    this._castError = null;
  } catch (err) {
    this._castError = err;
  }

  if (!callback) {
    // already merged in the conditions, don't need to send them in.
    return Query.base.findOne.call(this);
  }

Query.prototype.find = function (conditions, callback) {
  if ('function' == typeof conditions) {
    callback = conditions;
    conditions = {};
  } else if (conditions instanceof Document) {
    conditions = conditions.toObject();
  }

  if (mquery.canMerge(conditions)) {
    this.merge(conditions);
  }

  prepareDiscriminatorCriteria(this);

  try {
    this.cast(this.model);
    this._castError = null;
  } catch (err) {
    this._castError = err;
  }

  // if we don't have a callback, then just return the query object
  if (!callback) {
    return Query.base.find.call(this);
  }

// inherit mquery
  mquery.call(this, this.mongooseCollection, options);

  if (conditions) {
    this.find(conditions);
  }
}

/*!
 * inherit mquery
 */

Query.prototype = new mquery;
Query.prototype.constructor = Query;
Query.base = mquery.prototype;

/**
 * Flag to opt out of using `$geoWithin`.
 *
 *     mongoose.Query.use$geoWithin = false;
 *
 * MongoDB 2.4 deprecated the use of `$within`, replacing it with `$geoWithin`. Mongoose uses `$geoWithin` by default (which is 100% backward compatible with $within). If you are running an older version of MongoDB, set this flag to `false` so your `within()` queries continue to work.
 *
 * @see http://docs.mongodb.org/manual/reference/operator/geoWithin/
 * @default true
 * @property use$geoWithin
 * @memberOf Query
 * @receiver Query
 * @api public
 */

// inherit mquery
  mquery.call(this, this.mongooseCollection, options);

  if (conditions) {
    this.find(conditions);
  }
}

/*!
 * inherit mquery
 */

Query.prototype = new mquery;
Query.prototype.constructor = Query;
Query.base = mquery.prototype;

/**
 * Flag to opt out of using `$geoWithin`.
 *
 *     mongoose.Query.use$geoWithin = false;
 *
 * MongoDB 2.4 deprecated the use of `$within`, replacing it with `$geoWithin`. Mongoose uses `$geoWithin` by default (which is 100% backward compatible with $within). If you are running an older version of MongoDB, set this flag to `false` so your `within()` queries continue to work.
 *
 * @see http://docs.mongodb.org/manual/reference/operator/geoWithin/
 * @default true
 * @property use$geoWithin
 * @memberOf Query
 * @receiver Query
 * @api public
 */

// inherit mquery
  mquery.call(this, this.docoomentCollection, options);

  if (conditions) {
    this.find(conditions);
  }
}

/*!
 * inherit mquery
 */

Query.prototype = new mquery;
Query.prototype.constructor = Query;
Query.base = mquery.prototype;


/**
 * Flag to opt out of using `$geoWithin`.
 *
 *     docooment.Query.use$geoWithin = false;
 *
 * MongoDB 2.4 deprecated the use of `$within`, replacing it with `$geoWithin`. Docooment uses `$geoWithin` by default (which is 100% backward compatible with $within). If you are running an older version of MongoDB, set this flag to `false` so your `within()` queries continue to work.
 *
 * @see http://docs.mongodb.org/manual/reference/operator/geoWithin/
 * @default true
 * @property use$geoWithin
 * @memberOf Query
 * @receiver Query
 * @api public
 */

// inherit mquery
  mquery.call(this, this.mongooseCollection, options);

  if (conditions) {
    this.find(conditions);
  }
}

/*!
 * inherit mquery
 */

Query.prototype = new mquery;
Query.prototype.constructor = Query;
Query.base = mquery.prototype;

/**
 * Flag to opt out of using `$geoWithin`.
 *
 *     mongoose.Query.use$geoWithin = false;
 *
 * MongoDB 2.4 deprecated the use of `$within`, replacing it with `$geoWithin`. Mongoose uses `$geoWithin` by default (which is 100% backward compatible with $within). If you are running an older version of MongoDB, set this flag to `false` so your `within()` queries continue to work.
 *
 * @see http://docs.mongodb.org/manual/reference/operator/geoWithin/
 * @default true
 * @property use$geoWithin
 * @memberOf Query
 * @receiver Query
 * @api public
 */

if (collection) {
    this.mongooseCollection = collection;
  }

  if (model) {
    this.model = model;
  }

  // this is needed because map reduce returns a model that can be queried, but
  // all of the queries on said model should be lean
  if (this.model && this.model._mapreduce) {
    this.lean();
  }

  // inherit mquery
  mquery.call(this, this.mongooseCollection, options);

  if (conditions) {
    this.find(conditions);
  }
}