Andrei Sereda created CALCITE-2689:
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Summary: ES Adapter. Grouping on date / number fields fails
Key: CALCITE-2689
URL: https://issues.apache.org/jira/browse/CALCITE-2689
Project: Calcite
Issue Type: Improvement
Components: elasticsearch-adapter
Reporter: Andrei Sereda
Assignee: Julian Hyde
For [Terms
Aggregation|https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-terms-aggregation.html]
missing value has to have same type as group key.
Currently single (text) key is used {{__MISSING__}} which fails when grouping
on non-string fields (eg. dates, numbers or booleans).
When using {{missing}} (value) query converter should consider field type.
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