Costin Leau 9ffb26ab02 SQL: Remove restriction for single column grouping (#31818) ... For historical reasons SQL restricts GROUP BY to only one field. This commit removes the restriction and improves the test suite with multi group by tests. Close #31793		2018-07-06 20:55:27 +03:00
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syntax	SQL: Remove restriction for single column grouping (#31818)	2018-07-06 20:55:27 +03:00
data-types.asciidoc	…
index.asciidoc	…