Add test for requesting full array field.

Author: thomas4019

test/select.js

@@ -47,6 +47,11 @@ describe('select: ', function() {
   })
 
   describe('array fields', function () {
+    it('nothing special when requesting array field itself', function () {
+      assert.equal(convertSelect('data', { 'arr': 1 }, ['arr']),
+      "jsonb_build_object('arr', data->'arr', '_id', data->'_id') as data")
+    })
+
     it('single field', function () {
       assert.equal(convertSelect('data', { 'arr.color': 1 }, ['arr']),
         'jsonb_build_object(\'arr\', (SELECT jsonb_agg(r) FROM (SELECT jsonb_build_object(' +