Video 4: adding a collection type to the schema and querying it.

.idea/workspace.xml

@@ -2,7 +2,6 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="417b6c39-7b77-43c5-80fb-b9bf95b57f36" name="Default" comment="">
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/index.js" afterPath="$PROJECT_DIR$/index.js" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -21,40 +20,42 @@
       <file leaf-file-name="index.js" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/index.js">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="322">
-              <caret line="23" column="18" lean-forward="true" selection-start-line="23" selection-start-column="18" selection-end-line="23" selection-end-column="18" />
+            <state relative-caret-position="343">
+              <caret line="50" column="8" lean-forward="false" selection-start-line="50" selection-start-column="8" selection-end-line="50" selection-end-column="8" />
               <folding>
-                <marker date="1481973840000" expanded="true" signature="99:176" ph="{...}" />
-                <marker date="1481973840000" expanded="true" signature="104:109" ph="{...}" />
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-                <marker date="1481973840000" expanded="true" signature="114:116" ph="{...}" />
-                <marker date="1481973840000" expanded="true" signature="118:120" ph="{...}" />
-                <marker date="1481973840000" expanded="true" signature="124:129" ph="{...}" />
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-                <marker date="1481973840000" expanded="true" signature="189:207" ph="{...}" />
-                <marker date="1481973840000" expanded="true" signature="193:198" ph="{...}" />
-                <marker date="1481973840000" expanded="true" signature="200:205" ph="{...}" />
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-                <marker date="1481973840000" expanded="true" signature="448:456" ph="{...}" />
-                <marker date="1481973840000" expanded="true" signature="460:467" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="99:176" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="104:109" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="110:176" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="114:116" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="118:120" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="124:129" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="131:137" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="141:149" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="151:154" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="158:165" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="167:174" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="178:225" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="183:188" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="189:225" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="193:198" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="200:205" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="208:214" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="217:222" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="227:257" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="232:238" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="239:257" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="243:248" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="250:255" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="668:744" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="674:686" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="687:744" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="691:697" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="691:742" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="698:742" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="702:704" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="708:713" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="717:725" ph="{...}" />
+                <marker date="1481974212000" expanded="true" signature="729:736" ph="{...}" />
               </folding>
             </state>
           </provider>
@@ -232,6 +233,9 @@
   <component name="ShelveChangesManager" show_recycled="false">
     <option name="remove_strategy" value="false" />
   </component>
+  <component name="StructureViewFactory">
+    <option name="ACTIVE_ACTIONS" value=",HIDE_INHERITED_FROM_OBJECT" />
+  </component>
   <component name="TaskManager">
     <task active="true" id="Default" summary="Default task">
       <changelist id="417b6c39-7b77-43c5-80fb-b9bf95b57f36" name="Default" comment="" />
@@ -241,24 +245,24 @@
       <updated>1481822369870</updated>
       <workItem from="1481822371153" duration="34000" />
       <workItem from="1481822430451" duration="270000" />
-      <workItem from="1481969401352" duration="1737000" />
+      <workItem from="1481969401352" duration="2054000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="2041000" />
+    <option name="totallyTimeSpent" value="2358000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="23" width="1435" height="877" extended-state="6" />
-    <editor active="false" />
+    <editor active="true" />
     <layout>
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="10" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="true" content_ui="tabs" />
       <window_info id="GraphQL" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.3299363" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.24840765" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.2089172" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
       <window_info id="Mongo Explorer" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Terminal" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.3299363" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.22929937" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Project" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.23436376" sideWeight="0.5" order="5" side_tool="false" content_ui="combo" />
       <window_info id="Docker" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="11" side_tool="false" content_ui="tabs" />
       <window_info id="Database" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
@@ -291,37 +295,39 @@
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           <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
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-            <marker date="1481973840000" expanded="true" signature="460:467" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="99:176" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="104:109" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="110:176" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="114:116" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="118:120" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="124:129" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="131:137" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="141:149" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="151:154" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="158:165" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="167:174" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="178:225" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="183:188" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="189:225" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="193:198" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="200:205" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="208:214" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="217:222" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="227:257" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="232:238" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="239:257" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="243:248" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="250:255" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="668:744" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="674:686" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="687:744" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="691:697" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="691:742" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="698:742" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="702:704" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="708:713" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="717:725" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="729:736" ph="{...}" />
           </folding>
         </state>
       </provider>
@@ -360,40 +366,42 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/index.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="322">
-          <caret line="23" column="18" lean-forward="true" selection-start-line="23" selection-start-column="18" selection-end-line="23" selection-end-column="18" />
+        <state relative-caret-position="343">
+          <caret line="50" column="8" lean-forward="false" selection-start-line="50" selection-start-column="8" selection-end-line="50" selection-end-column="8" />
           <folding>
-            <marker date="1481973840000" expanded="true" signature="99:176" ph="{...}" />
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-            <marker date="1481973840000" expanded="true" signature="448:456" ph="{...}" />
-            <marker date="1481973840000" expanded="true" signature="460:467" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="99:176" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="104:109" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="110:176" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="114:116" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="118:120" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="124:129" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="131:137" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="141:149" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="151:154" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="158:165" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="167:174" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="178:225" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="183:188" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="189:225" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="193:198" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="200:205" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="208:214" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="217:222" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="227:257" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="232:238" ph="{...}" />
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+            <marker date="1481974212000" expanded="true" signature="243:248" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="250:255" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="668:744" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="674:686" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="687:744" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="691:697" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="691:742" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="698:742" ph="{...}" />
+            <marker date="1481974212000" expanded="true" signature="702:704" ph="{...}" />
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+            <marker date="1481974212000" expanded="true" signature="729:736" ph="{...}" />
           </folding>
         </state>
       </provider>

index.js

@@ -12,6 +12,7 @@ type Video {
 
 type Query {
   video: Video
+  videos: [Video]
 }
 
 type Schema {
@@ -19,18 +20,35 @@ type Schema {
 }
 `);
 
+const videoA = {
+  id: 'a',
+  title: 'Create a GraphQL schema',
+  duration: 120,
+  watched: true
+};
+
+const videoB = {
+  id: 'b',
+  title: 'Ember.js CLI',
+  duration: 240,
+  watched: false
+};
+
+const videos = [videoA, videoB];
+
 const resolvers = {
   video: () => ({
     id: () => '1',
     title: () => 'Foo',
     duration: () => 180,
     watched: () => true
-  })
+  }),
+  videos: () => videos
 };
 
 const query = `
 query myFirstQuery {
-  video {
+  videos {
   id,
   title,
   duration,