Add Trino 393 release notes

docs/src/main/sphinx/release.rst

@@ -10,6 +10,7 @@ Release notes
 .. toctree::
     :maxdepth: 1
 
+    release/release-393
     release/release-392
     release/release-391
     release/release-390

docs/src/main/sphinx/release/release-393.md

@@ -0,0 +1,139 @@
+# Release 393 (17 August 2022)
+
+## General
+
+* Add support for {doc}`/sql/merge`. ({issue}`7933`)
+* Add query state and error code to the timeline log message. ({issue}`13698`)
+* Improve performance of highly selective `LIMIT` queries by making them finish
+  as soon as the required number of rows is produced. ({issue}`13616`)
+* Disallow inserting `NULL` into non-nullable columns.. ({issue}`13462`)
+* Fix queries over bucketed tables never completing. ({issue}`13655`)
+* Fix potential query failure for `GROUP BY` queries involving aggregations with
+  `ORDER BY` and `FILTER` clauses. ({issue}`13627`)
+
+## Security
+
+* Fix potential incorrect rejection of OAuth 2.0 refresh tokens. ({issue}`13168`)
+* Fix incorrectly showing outdated OAuth 2.0 refresh tokens in the web UI. ({issue}`13168`)
+
+## Docker image
+
+* Add experimental image for `ppc64le`. ({issue}`13522`)
+
+## ClickHouse connector
+
+* Add support for the `unsupported-type-handling` catalog configuration
+  property. ({issue}`13542`)
+* Improve performance for queries with selective joins. ({issue}`13334`)
+
+## Delta Lake connector
+
+* Add support for {doc}`/sql/merge`. ({issue}`7933`)
+* Add support for the `NOT NULL` column constraint. ({issue}`13436`)
+* Fix writing incorrect results when the order of partition columns is different
+  from the order in the table definition. ({issue}`13505`)
+* Fix failure when reading a table which has partition columns renamed by 
+  another engine. ({issue}`13521`)
+
+## Druid connector
+
+* Improve performance for queries with selective joins. ({issue}`13334`)
+
+## Hive connector
+
+* Add support for {doc}`/sql/merge`. ({issue}`7933`)
+* Add support for bucket filtering on bucketed columns of `float`, `double`,
+  `date`, `list`, `map` and `bounded varchar` data types. ({issue}`13553`)
+* Add `exchange.azure.max-error-retries` configuration property for the number
+  of retries performed when accessing Azure blob storage. ({issue}`13663`)
+* Improve performance of queries with S3 Select pushdown by not utilizing
+  pushdown when it is unnecessary. ({issue}`13477`)
+* Reduce Thrift metastore communication overhead when impersonation is enabled. ({issue}`13606`)
+* Improve performance when retrieving table statistics from the metastore. ({issue}`13488`)
+* Fix error when writing to a table with only `date` columns while using the
+  Hive metastore. ({issue}`13502`)
+* Fix error when reading a Hive view which has a column names with a reserved
+  keyword. ({issue}`13450`)
+
+## Iceberg connector
+
+* Add support for {doc}`/sql/merge`. ({issue}`7933`)
+* Improve performance when filtering on `$file_modified_time` column. ({issue}`13504`)
+* Improve performance of read queries on Iceberg v2 tables with
+  deletion-tracking files. ({issue}`13395`)
+* Allow partitioning over columns which use whitespace in their names. ({issue}`12226`)
+* Disallow specifying a `NOT NULL` constraint when adding a new column.
+  Previously, the option was ignored. ({issue}`13673`)
+* Fix error when querying tables which are empty and contain no table history. ({issue}`13576`)
+* Prevent truncation of the table history in the `$snapshots` system table by
+  certain `DELETE` queries. ({issue}`12843`)
+* Prevent errors when optimizing an Iceberg table which is empty and contains
+  no table history. ({issue}`13582`)
+* Fix incorrect query results when reading from a materialized view that was
+  created on a table which was empty and contained no history. ({issue}`13574`)
+
+## Kafka connector
+
+* Fix query failure when applying a negative timestamp predicate on the
+  `_timestamp` column. ({issue}`13167`)
+
+## Kudu connector
+
+* Add support for {doc}`/sql/merge`. ({issue}`7933`)
+
+## MariaDB connector
+
+* Improve performance for queries with selective joins. ({issue}`13334`)
+
+## MongoDB connector
+
+* Prevent renaming a table with a name longer than the max length supported by
+  MongoDB. Previously, the name was truncated to the max length. ({issue}`13073`)
+
+## MySQL connector
+
+* Improve performance for queries with selective joins. ({issue}`13334`)
+
+## Oracle connector
+
+* Improve performance for queries with selective joins. ({issue}`13334`)
+
+## Phoenix connector
+
+* Improve performance for queries with selective joins. ({issue}`13334`)
+
+## Pinot connector
+
+* Add support for the Pinot `bytes` type. ({issue}`13427`)
+* Add support for the `json` type. ({issue}`13428`)
+
+## PostgreSQL connector
+
+* Improve performance for queries with selective joins. ({issue}`13334`)
+* Prevent using schema names or renaming a table with a name which is longer
+  than the max length supported by PostgreSQL. Previously, long names were
+  truncated to the max length. ({issue}`13307`, {issue}`13073`)
+
+## Raptor connector
+
+* Add support for {doc}`/sql/merge`. ({issue}`7933`)
+
+## Redshift connector
+
+* Improve performance for queries with selective joins. ({issue}`13334`)
+
+## SingleStore (MemSQL) connector
+
+* Improve performance for queries with selective joins. ({issue}`13334`)
+
+## SQL Server connector
+
+* Improve performance for queries with selective joins. ({issue}`13334`)
+* Prevent renaming a table with a name longer than the max length supported by
+  SQL Server. Previously, the name was truncated to the max length. ({issue}`13073`)
+
+## SPI
+
+* Add `@Experimental` annotation to designate SPIs that are still under active
+  development. ({issue}`13302`)
+* Deprecate `io.trino.spi.block.MethodHandleUtil`. ({issue}`13245`)