fix(elasticsearch): fixed predict default value, fixes #7145

public/app/plugins/datasource/elasticsearch/bucket_agg.js

@@ -73,7 +73,7 @@ function (angular, _, queryDef) {
     $scope.validateModel = function() {
       $scope.index = _.indexOf(bucketAggs, $scope.agg);
       $scope.isFirst = $scope.index === 0;
-      $scope.isLast = $scope.index === bucketAggs.length - 1;
+      $scope.bucketAggCount = bucketAggs.length;
 
       var settingsLinkText = "";
       var settings = $scope.agg.settings || {};

public/app/plugins/datasource/elasticsearch/partials/bucket_agg.html

@@ -23,7 +23,7 @@
 		<label class="gf-form-label" ng-if="isFirst">
 			<a class="pointer" ng-click="addBucketAgg()"><i class="fa fa-plus"></i></a>
 		</label>
-		<label class="gf-form-label" ng-if="!isFirst">
+		<label class="gf-form-label" ng-if="bucketAggCount > 1">
 			<a class="pointer" ng-click="removeBucketAgg()"><i class="fa fa-minus"></i></a>
 		</label>
 	</div>

public/app/plugins/datasource/elasticsearch/query_def.js

@@ -73,7 +73,7 @@ function (_) {
       'moving_avg' : [
         {text: 'window', default: 5},
         {text: 'model', default: 'simple'},
-        {text: 'predict', default: 0}
+        {text: 'predict', default: undefined}
       ],
       'derivative': [
         {text: 'unit', default: undefined},