trinodb / trino

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
https://trino.io
Apache License 2.0
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Release notes for 408 #16147

Closed martint closed 1 year ago

ebyhr commented 1 year ago
# Delta Lake
* Improve query performance on tables written by Trino with `INSERT`. ({issue}`16026`)

16026

raunaqmorarka commented 1 year ago
# General
* Fix failures for queries with remote partitioning exchange on a complex type (ROW, ARRAY, MAP) with values containing NULL elements. ({issue}`https://github.com/trinodb/trino/issues/16140`)

16141 #16140

ebyhr commented 1 year ago
# Iceberg
* Reduce memory usage when reading `$files` system tables. ({issue}`15991`)

16112

ebyhr commented 1 year ago
# Delta Lake
* Fix change data feed entries for `MERGE` queries. ({issue}`16127`)

16127

ebyhr commented 1 year ago
# BigQuery
* Add support for writing BigQuery `numeric` and `bignumeric` types. ({issue}`16145`)

16145

ebyhr commented 1 year ago
# SingleStore
* Remove support for deprecated `memsql` connector name. ({issue}`16180`)

16180

raunaqmorarka commented 1 year ago
# Hive, Hudi, Delta, Iceberg
* Fix performance regression for partitioned table writes when table statistics are absent. ({issue}`16152`)

16152

ebyhr commented 1 year ago
# Delta Lake
* Support creating a table with `change_data_feed_enabled` table property. ({issue}`16129`)

16131

ebyhr commented 1 year ago
# Iceberg
* Require `iceberg.jdbc-catalog.driver-class` config property to prevent driver not found error after the initialization. ({issue}`16196`)

16196

ebyhr commented 1 year ago
# Hive, Delta
* Retry dropping delta tables registered on AWS Glue in case of failures due to concurrent modifications. ({issue}`13199`)

16092

raunaqmorarka commented 1 year ago
# Hive, Hudi, Delta, Iceberg
* Improve performance of reading ARRAY, MAP and ROW types from parquet files. This optimization is enabled by default. It can be disabled using the catalog session property `parquet_optimized_nested_reader_enabled` or the catalog configuration property `parquet.optimized-nested-reader.enabled`. ({issue}`16177`)

16177

hashhar commented 1 year ago
# SQL Server
* Add support for pushing down `=`, `!=` and `IN` predicates over text columns to SQL Server if the column uses a case-sensitive collation within SQL Server. ({issue}`15714`)

15714

raunaqmorarka commented 1 year ago
# General
* Report physical input read time in eventlistener QueryStatistics and EXPLAIN ANALYZE. ({issue}`16190`)

16190

ebyhr commented 1 year ago
# Delta Lake
* Allow updating `reader_version` and `writer_version` table properties. ({issue}`15932`)

16165