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2020-07-04 09:23:19
13.112. Release 0.142
General Changes
- Fix planning bug for
JOIN
criteria that optimizes to a FALSE
expression. - Fix planning bug when the output of
UNION
doesn’t match the table column order in INSERT
queries. - Fix error when
ORDER BY
clause in window specification refers to the same column multiple times. - Add support for complex grouping operations -
CUBE
, ROLLUP
and GROUPING SETS
. - Add support for
IF NOT EXISTS
in CREATE TABLE AS
queries. - Add
substring()
function. - Add
http.server.authentication.krb5.keytab
config option to set the location of the Kerberos keytab file explicitly. - Add
optimize_metadata_queries
session property to enable the metadata-only query optimization. - Improve support for non-equality predicates in
JOIN
criteria. - Add support for non-correlated subqueries in aggregation queries.
- Improve performance of
json_extract()
.
Hive Changes
- Change ORC input format to report actual bytes read as opposed to estimated bytes.
- Fix cache invalidation when renaming tables.
- Fix Parquet reader to handle uppercase column names.
- Fix issue where the
hive.respect-table-format
config option was being ignored. - Add hive.compression-codec config option to control compression used when writing. The default is now
GZIP
for all formats. - Collect and expose end-to-end execution time JMX metric for requests to AWS services.