Use deleteObjectsByQuery

Author: Marco129

src/Adapters/Storage/Mongo/MongoStorageAdapter.js

@@ -95,10 +95,6 @@ export class MongoStorageAdapter {
     });
   }
 
-  purgeCollection(name: string) {
-    return this.collection(this._collectionPrefix + name).then(collection => collection.remove({}));
-  }
-
   // Deletes a schema. Resolve if successful. If the schema doesn't
   // exist, resolve with undefined. If schema exists, but can't be deleted for some other reason,
   // reject with INTERNAL_SERVER_ERROR.

src/Controllers/DatabaseController.js

@@ -76,7 +76,13 @@ DatabaseController.prototype.collectionExists = function(className) {
 };
 
 DatabaseController.prototype.purgeCollection = function(className) {
-  return this.adapter.purgeCollection(className);
+  return this.loadSchema()
+  .then((schema) => {
+    schema.getOneSchema(className)
+  })
+  .then((schema) => {
+    this.adapter.deleteObjectsByQuery(className, {}, schema);
+  });
 };
 
 DatabaseController.prototype.validateClassName = function(className) {