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2019-11-30 14:24:49
11.69. Release 0.161
General Changes
- Fix correctness issue for queries involving multiple nested EXCEPT clauses.A query such as
a EXCEPT (b EXCEPT c)
was incorrectly evaluated asa EXCEPT b EXCEPT c
and thus could return the wrong result. - Fix failure when executing prepared statements that contain parameters in the join criteria.
- Fix failure when describing the output of prepared statements that contain aggregations.
- Fix planning failure when a lambda is used in the context of an aggregation or subquery.
- Fix column resolution rules for
ORDER BY
to match the behavior expectedby the SQL standard. This is a change in semantics that breaksbackwards compatibility. To ease migration of existing queries, the legacybehavior can be restored by the deprecated.legacy-order-by
config optionor the legacy_order_by
session property. - Improve error message when coordinator responds with
403 FORBIDDEN
. - Improve performance for queries containing expressions in the join criteriathat reference columns on one side of the join.
- Improve performance of
map_concat()
when one argument is empty. - Remove
/v1/execute
resource. - Add new column to SHOW COLUMNS (and DESCRIBE)to show extra information from connectors.
- Add
map()
to construct an empty MAP.
Hive Connector
- Remove
"Partition Key: "
prefix from column comments andreplace it with the new extra information field described above.
JMX Connector
- Add support for escaped commas in
jmx.dump-tables
config property.