13.69. Release 0.174

    • Fix correctness issue for correlated subqueries containing a clause.
    • Fix a bug that causes underestimation of the amount of memory used by max_by(), , max(), , and arbitrary() aggregations over varchar/varbinary columns.
    • Fix a memory leak in the coordinator that causes long-running queries in highly loaded clusters to consume unnecessary memory.
    • Improve performance of aggregate window functions.
    • Improve parallelism of queries involving GROUPING SETS, CUBE or .
    • Improve parallelism of UNION queries.
    • Add support for escaped unicode sequences in string literals.
    • Add and information_schema.table_privileges table.
    • Change default value of hive.metastore-cache-ttl and hive.metastore-refresh-interval to 0 to disable cross-transaction metadata caching.
    • Fix ES6 compatibility issue with older browsers.
    • Display buffered bytes for every stage in the live plan UI.
    • Rename SPI access control check from checkCanShowTables to , which is used for both SHOW TABLES and .