feat: add allowDiskUse as option/method

src/ParseQuery.js

@@ -40,6 +40,7 @@ export type QueryJSON = {
  hint?: mixed,
  explain?: boolean,
  readPreference?: string,
+ allowDiskUse?: Boolean,
  includeReadPreference?: string,
  subqueryReadPreference?: string,
 };
@@ -239,6 +240,7 @@ class ParseQuery {
  _count: boolean;
  _order: Array<string>;
  _readPreference: string;
+ _allowDiskUse: boolean;
  _includeReadPreference: string;
  _subqueryReadPreference: string;
  _queriesLocalDatastore: boolean;
@@ -278,6 +280,7 @@ class ParseQuery {
  this._limit = -1; // negative limit is not sent in the server request
  this._skip = 0;
  this._readPreference = null;
+ this._allowDiskUse = false;
  this._includeReadPreference = null;
  this._subqueryReadPreference = null;
  this._queriesLocalDatastore = false;
@@ -457,6 +460,9 @@ class ParseQuery {
  if (this._readPreference) {
  params.readPreference = this._readPreference;
  }
+ if (typeof this._allowDiskUse === 'boolean') {
+ params.allowDiskUse = this._allowDiskUse;
+ }
  if (this._includeReadPreference) {
  params.includeReadPreference = this._includeReadPreference;
  }
@@ -534,6 +540,10 @@ class ParseQuery {
  this._readPreference = json.readPreference;
  }
 
+ if (typeof json.allowDiskUse === 'boolean') {
+ this._allowDiskUse = json.allowDiskUse;
+ }
+
  if (json.includeReadPreference) {
  this._includeReadPreference = json.includeReadPreference;
  }
@@ -566,6 +576,7 @@ class ParseQuery {
  'subqueryReadPreference',
  'hint',
  'explain',
+ 'allowDiskUse',
  ].indexOf(key) === -1
  ) {
  this._extraOptions[key] = json[key];
@@ -840,6 +851,7 @@ class ParseQuery {
  hint: this._hint,
  explain: this._explain,
  readPreference: this._readPreference,
+ allowDiskUse: this._allowDiskUse,
  };
  return controller.aggregate(this.className, params, aggregateOptions).then(results => {
  return results.results;
@@ -1955,6 +1967,17 @@ class ParseQuery {
  return this;
  }
 
+ /**
+ * Changes the allowDiskUse preference that the backend will use when performing the query to the database.
+ *
+ * @param {boolean} enabled enable/disable allowDiskUse
+ * @returns {Parse.Query} Returns the query, so you can chain this call.
+ */
+ allowDiskUse(enabled: boolean): ParseQuery {
+ this._allowDiskUse = enabled;
+ return this;
+ }
+
  /**
  * Subscribe this query to get liveQuery updates
  *