Delete schema promise on error...

- Just because this way we can let the adapter an opportunity to yield a new error....
OR A SUCCESS

src/Controllers/DatabaseController.js

@@ -110,7 +110,8 @@ DatabaseController.prototype.validateClassName = function(className) {
 DatabaseController.prototype.loadSchema = function() {
   if (!this.schemaPromise) {
     this.schemaPromise = SchemaController.load(this.adapter);
-    this.schemaPromise.then(() => delete this.schemaPromise);
+    this.schemaPromise.then(() => delete this.schemaPromise,
+                             () => delete this.schemaPromise);
   }
   return this.schemaPromise;
 };
@@ -704,6 +705,7 @@ DatabaseController.prototype.find = function(className, query, {
   let aclGroup = acl || [];
   let op = typeof query.objectId == 'string' && Object.keys(query).length === 1 ? 'get' : 'find';
   let classExists = true;
+  console.log('will load schema');
   return this.loadSchema()
   .then(schemaController => {
     //Allow volatile classes if querying with Master (for _PushStatus)
@@ -717,6 +719,7 @@ DatabaseController.prototype.find = function(className, query, {
         classExists = false;
         return { fields: {} };
       }
+      console.log('Cannot get one schema');
       throw error;
     })
     .then(schema => {
@@ -767,6 +770,7 @@ DatabaseController.prototype.find = function(className, query, {
           if (!classExists) {
             return [];
           } else {
+            console.log('adapter find');
             return this.adapter.find(className, schema, query, { skip, limit, sort })
             .then(objects => objects.map(object => {
               object = untransformObjectACL(object);