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2020-06-15 08:15:23
13.77. Release 0.165
General Changes
- Make
AT
a non-reserved keyword. - Improve performance of
transform()
. - Improve exchange performance by deserializing in parallel.
- Add support for compressed exchanges. This can be enabled with the
exchange.compression-enabled
config option. - Add input and hash collision statistics to EXPLAIN ANALYZE output.
Hive Changes
- Add support for MAP and ARRAY types in optimized Parquet reader.
MySQL and PostgreSQL Changes
- Fix connection leak on workers.