Check expected type is array from Parse Format Schema

Author: drew-gross

src/Adapters/Storage/Mongo/MongoTransform.js

@@ -195,7 +195,10 @@ function transformQueryKeyValue(schema, className, key, value, { validate } = {}
       (!expected && value && value.__type == 'Pointer')) {
     key = '_p_' + key;
   }
-  const expectedTypeIsArray = (expected && expected.type === 'Array');
+  const expectedTypeIsArray =
+    parseFormatSchema &&
+    parseFormatSchema.fields[key] &&
+    parseFormatSchema.fields[key].type === 'Array'
 
   // Handle query constraints
   if (transformConstraint(value, expectedTypeIsArray) !== CannotTransform) {

src/Controllers/DatabaseController.js

@@ -654,7 +654,8 @@ DatabaseController.prototype.find = function(className, query, {
       if (!isMaster) {
         query = addReadACL(query, aclGroup);
       }
-      return schemaController.getOneSchema(className)
+      return schemaController.reloadData()
+      .then(() => schemaController.getOneSchema(className))
       .catch(error => {
         // If the schema doesn't exist, pretend it exists with no fields. This behaviour
         // will likely need revisiting.
@@ -664,7 +665,7 @@ DatabaseController.prototype.find = function(className, query, {
         throw error;
       })
       .then(parseFormatSchema => {
-        let mongoWhere = this.transform.transformWhere(schemaController, className, query, parseFormatSchema);
+        let mongoWhere = this.transform.transformWhere(schemaController, className, query, {}, parseFormatSchema);
         if (count) {
           delete mongoOptions.limit;
           return collection.count(mongoWhere, mongoOptions);