Add linear support for QueryNode.fill

Add linear support for QueryNode.fill. Add linear support for QueryNode.fill Add linear support for QueryNode.fill.. Add linear support for QueryNode.fill
devopstoday11 · Jun 15, 2017 · 0447639 · 0447639
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commit 0447639
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Features
 
 - [#1413](https://github.com/influxdata/kapacitor/issues/1413): Add subscriptions modes to InfluxDB subscriptions.
+- [#1436](https://github.com/influxdata/kapacitor/issues/1436): Add linear fill support for QueryNode.
 
 ### Bugfixes
 

diff --git a/batch.go b/batch.go
@@ -177,6 +177,8 @@ func newQueryNode(et *ExecutingTask, n *pipeline.QueryNode, l *log.Logger) (*Que
 			bn.query.Fill(influxql.NoFill, nil)
 		case "previous":
 			bn.query.Fill(influxql.PreviousFill, nil)
+		case "linear":
+			bn.query.Fill(influxql.LinearFill, nil)
 		default:
 			return nil, fmt.Errorf("unexpected fill option %s", fill)
 		}

diff --git a/pipeline/batch.go b/pipeline/batch.go
@@ -132,6 +132,7 @@ type QueryNode struct {
 	//   - null - exhibits the same behavior as the default
 	//   - previous - reports the value of the previous window
 	//   - none - suppresses timestamps and values where the value is null
+	//   - linear - reports the results of linear interpolation
 	Fill interface{}
 
 	// The name of a configured InfluxDB cluster.