Fill Policy visible only in <=2.2

public/app/plugins/datasource/opentsdb/partials/query.editor.html

@@ -63,12 +63,11 @@
 			</select>
 		</li>
 
-		<li class="tight-form-item query-keyword" style="width: 59px">
+		<li class="tight-form-item query-keyword" style="width: 59px" ng-if="ctrl.tsdbVersion == 2">
 			Fill
-			<tip>Available since OpenTSDB 2.2</tip>
 		</li>
 
-		<li>
+		<li ng-if="ctrl.tsdbVersion == 2">
 			<select ng-model="ctrl.target.downsampleFillPolicy" class="tight-form-input input-small"
 				ng-options="agg for agg in ctrl.fillPolicies"
 				ng-change="ctrl.targetBlur()">

public/app/plugins/datasource/opentsdb/query_ctrl.ts

@@ -8,6 +8,7 @@ export class OpenTsQueryCtrl extends QueryCtrl {
   static templateUrl = 'partials/query.editor.html';
   aggregators: any;
   fillPolicies: any;
+  tsdbVersion: any;
   aggregator: any;
   downsampleInterval: any;
   downsampleAggregator: any;
@@ -26,6 +27,8 @@ export class OpenTsQueryCtrl extends QueryCtrl {
     this.aggregators = ['avg', 'sum', 'min', 'max', 'dev', 'zimsum', 'mimmin', 'mimmax'];
     this.fillPolicies = ['none', 'nan', 'null', 'zero'];
 
+    this.tsdbVersion = this.datasource.tsdbVersion;
+
     if (!this.target.aggregator) {
       this.target.aggregator = 'sum';
     }