Release 345 (23 Oct 2020)

General

Add {func}concat_ws function. ({issue}4680)
Add support for {func}extract for time with time zone values with precision other than 3. ({issue}5539)
Add dynamic filtering support for right joins. ({issue}5555)
Add support for catalog session properties to the file and database backed session property managers. ({issue}5330)
Improve query scalability by increasing the default broadcast join buffer size to 200MB. Broadcast join buffer size can be set using the sink.max-broadcast-buffer-size configuration property. ({issue}5551)
Improve query performance by allowing larger dynamic filters. ({issue}5529)
Improve performance for join queries where join keys are not of the same type. ({issue}5461)
Improve performance of encrypted spilling. ({issue}5557)
Improve performance of queries that use the decimal type. ({issue}5181)

Add support for JSON Web Key (JWK) to the existing JSON Web Token (JWT) authenticator. This is enabled by setting the jwt.key-file configuration property to a http or https url. ({issue}5419)
Add column security, column mask and row filter to file-based access controls. ({issue}5460)
Enforce access control for column references in USING clause. ({issue}5620)

Add source parameter for directly setting the source name for a query. ({issue}4739)

Add support for INSERT and DELETE for ACID tables. ({issue}5402)
Apply hive.domain-compaction-threshold to dynamic filters. ({issue}5365)
Add support for reading Parquet timestamps encoded as microseconds. ({issue}5483)
Improve translation of Hive views. ({issue}4661)
Improve storage caching by better distributing files across workers. ({issue}5621)
Fix disk space accounting for storage caching. ({issue}5621)
Fix failure when reading Parquet timestamp columns encoded as int64. ({issue}5443)

Add support for adding columns. ({issue}5512)
Fix incorrect result for IS NULL predicates on fields that do not exist in the document. ({issue}5615)

Fix representation for many MemSQL types. ({issue}5495)
Prevent a query failure when table column name contains a semicolon by explicitly forbidding such names. ({issue}5495)
Add support for case-insensitive table name matching. ({issue}5495)

Improve performance of queries with aggregations and LIMIT clause (but without ORDER BY). ({issue}5261)

Improve performance of queries with aggregations and LIMIT clause (but without ORDER BY). ({issue}5261)

Improve performance of queries with aggregations and LIMIT clause (but without ORDER BY). ({issue}5261)