Release 379 (28 Apr 2022)

General

• Add {doc}/connector/mariadb. ({issue}10046)
• Improve performance of queries that contain JOIN and UNION clauses. ({issue}11935)
• Improve performance of queries that contain GROUP BY clauses. ({issue}12095)
• Fail DROP TABLE IF EXISTS when deleted entity is not a table. Previously the statement did not delete anything. ({issue}11555)
• Fail DROP VIEW IF EXISTS when deleted entity is not a view. Previously the statement did not delete anything. ({issue}11555)
• Fail DROP MATERIALIZED VIEW IF EXISTS when deleted entity is not a materialized view. Previously the statement did not delete anything. ({issue}11555)

Web UI

• Group information about tasks by stage. ({issue}12099)
• Show aggregated statistics for failed tasks of queries that are executed with retry-policy set to TASK. ({issue}12099)
• Fix reporting of physical input read time. ({issue}12135)

Delta Lake connector

• Add support for Google Cloud Storage. ({issue}12144)
• Fix failure when reading from information_schema.columns when non-Delta tables are present in the metastore. ({issue}12122)

Iceberg connector

• Add support for {doc}/sql/delete with arbitrary predicates. ({issue}11886)
• Improve compatibility when Glue storage properties are used. ({issue}12164)
• Prevent data loss when queries modify a table concurrently when Glue catalog is used. ({issue}11713)
• Enable commit retries when conflicts occur writing a transaction to a Hive Metastore. ({issue}12419)
• Always return the number of deleted rows for {doc}/sql/delete statements. ({issue}12055)

Pinot connector

• Add support for Pinot 0.10. ({issue}11475)

Redis connector

• Improve performance when reading data from Redis. ({issue}12108)

SQL Server connector

• Properly apply snapshot isolation to all connections when it is enabled. ({issue}11662)