Auto Loader includes the file path in the rescued data column when available.Reduced storage overhead for Auto Loader checkpoints.Faster directory listing in Auto Loader.Improved startup time for Auto Loader streams.Schema inference for CSV files in Auto Loader.You can create Delta tables with generated columns using SQL, Scala, Java or Python APIs.įor more information, see Use generated columns. For example, you can automatically generate a date column (for partitioning the table by date) from the timestamp column any writes into the table need only specify the data for the timestamp column. You can use most built-in SQL functions to generate the values of these generated columns. Generated columns in Delta tables (Public Preview)ĭelta Lake now supports generated columns, which are a special type of column whose values are automatically generated based on a user-specified function over other columns in the Delta table. Multiple results in R with ListResults (Public Preview).Reduced number of requests to schema registry for queries with from_avro.Improved security when defining Spark UDFs (Public Preview).Enable bucketed joins if only one join side is bucketed.Detailed metrics of RocksDB performance when using RocksDBStateStore.Correct calculation of Delta table sizes in SQL ANALYZE.Create Delta tables with new programmatic APIs (Public Preview).Generated columns in Delta tables (Public Preview).Databricks released these images in June 2021.

The following release notes provide information about Databricks Runtime 8.3 and Databricks Runtime 8.3 Photon, powered by Apache Spark 3.1.1.

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