Issue: Fix PR #78 bug. It will produce multiple same datapoints when arithmetic over datapoints with groupby along with datapoints without groupby. I fix this bug in this PR.
Datasource: Elasticsearch(No testing for other datasource)
Attention: Only support for alias pattern {{term fieldname}}.
Issue: Fix PR #78 bug. It will produce multiple same datapoints when arithmetic over datapoints with groupby along with datapoints without groupby. I fix this bug in this PR. Datasource: Elasticsearch(No testing for other datasource) Attention: Only support for alias pattern {{term fieldname}}.