Release 0.269¶

Details¶

General Changes¶

• Add uuid() to return a unique identifier.

Presto on Spark Changes¶

• Add configuration property spark.memory-revoking-target and session property spark_memory_revoking_target to specify the occupancy percent of memory pool after revoke is completed.

Accumulo Connector Changes¶

• Replace uuid() from being connector specific to a standard function. In the process the return type has been changed from VARCHAR to UUID and existing use cases might need to perform a cast - CAST(UUID() AS VARCHAR).

Delta Lake Connector Changes¶

• Add Delta Lake Connector for reading Delta Lake tables (https://delta.io/) natively in Presto.

Iceberg Connector Changes¶

• Add Iceberg table predicate pushdown to reduce the number of files scanned.

Credits¶

Ajay George, Andrii Rosa, Arjun Gupta, Arunachalam Thirupathi, Basil Crow, Beinan Wang, Costin V Cozianu, James Sun, Pranjal Shankhdhar, Sagar Sumit, Swapnil Tailor, Timothy Meehan, Venki Korukanti, Xiang Fu, Ying Su, Zhenxiao Luo, ericyuliu, sambekar15, singcha, v-jizhang