Ted Dunning created DRILL-22:
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Summary: Aggregation of entire stream should be possible by
specifying empty list of keys
Key: DRILL-22
URL: https://issues.apache.org/jira/browse/DRILL-22
Project: Apache Drill
Issue Type: Bug
Reporter: Ted Dunning
The aggregate operator should support an empty list of keys to allow
aggregation across the entire input something like this:
{code}
{ op: "aggregate", type: "simple", keys: [],
aggregations: [ref: "average", expr: "AVG(y)"]}
{code}
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