Costin Leau 88b8794801 SQL: Forbid multi field groups (elastic/x-pack-elasticsearch#3199)
* SQL: GROUP BY with multiple fields are forbidden

The check is performed in the folder Verifier as the optimizer can eliminate some fields (like those with constants)

Original commit: elastic/x-pack-elasticsearch@8d49f4ab02
2017-12-05 18:41:19 +02:00
..
2017-10-27 23:29:00 +03:00