Release 0.257¶
Details¶
General Changes¶
Fix queries failing with
EXCEEDED_LOCAL_MEMORY_LIMIT
error due to incorrect memory tracking while reading spilled data.Fix deadlock for queries with
JOIN
andLIMIT
with spilling enabled.Fix query failures due to expressions with multiple
is null
checks on the same variable.Improve memory usage of queries spilling in the join operator.
Improve expressions printed in query plans to be closer to valid SQL.
Add support to find the n-th instance in
array_position()
.Add support for correlated subqueries with complex expressions in the correlation.
Add support for the
OFFSET
clause in SQL query expressions. This feature can be enabled by setting the session propertyoffset_clause_enabled
or configuration propertyoffset-clause-enabled
totrue
.
Hive Changes¶
Fix a bug in reading Avro format table with schema located in a Kerberos enabled HDFS compliant filesystem.
Fix dynamic pruning for null keys in hive partition.
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