Update time_series_query.go

fix alert no data when elasticsearch group by terms size is set to no limit

Update time_series_query.go
fix alert no data when elasticsearch group by terms size is set to no limit
3b9ab6e2 · Yuan Liu · GitHub · 974eddee · 3b9ab6e2
Commit 3b9ab6e2 authored Oct 11, 2018 by Yuan Liu Committed by GitHub Oct 11, 2018
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pkg/tsdb/elasticsearch/time_series_query.go
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--- a/pkg/tsdb/elasticsearch/time_series_query.go
+++ b/pkg/tsdb/elasticsearch/time_series_query.go
@@ -171,6 +171,10 @@ func addTermsAgg(aggBuilder es.AggBuilder, bucketAgg *BucketAgg, metrics []*Metr
 		} else {
 			a.Size = 500
 		}
+		if a.Size == 0 {
+		    a.Size = 500
+		}
+		
 		if minDocCount, err := bucketAgg.Settings.Get("min_doc_count").Int(); err == nil {
 			a.MinDocCount = &minDocCount
 		}