Release 0.257

    • Fix deadlock for queries with JOIN and with spilling enabled.

    • Fix query failures due to expressions with multiple is null checks on the same variable.

    • Improve expressions printed in query plans to be closer to valid SQL.

    • Add support for the clause in SQL query expressions. This feature can be enabled by setting the session property offset_clause_enabled or configuration property to true.

    Hive Changes

    • Fix a bug in reading Avro format table with schema located in a Kerberos enabled HDFS compliant filesystem.

    Contributors

    Abhisek Gautam Saikia, Andrii Rosa, Arjun Gupta, Basar Hamdi Onat, Chen, George Wang, Grace Xin, Huameng Jiang, James Petty, James Sun, Masha Basmanova, Mayank Garg, Rebecca Schlussel, Rohit Jain, Roman Zeyde, Rongrong Zhong, Saumitra Shahapure, Seba Villalobos, Sergey Pershin, Sergii Druzkin, Shixuan Fan, Swapnil Tailor, Timothy Meehan, Venki Korukanti, Vic Zhang, Xiang Fu, Zhenxiao Luo, beinan, prithvip, tanjialiang