Release 0.149

General

• Fix runtime failure for queries that use grouping sets over unions.
• Do not ignore null values in {func}array_agg.
• Fix failure when casting row values that contain null fields.
• Fix failure when using complex types as map keys.
• Fix potential memory tracking leak when queries are cancelled.
• Fix rejection of queries that do not match any queue/resource group rules. Previously, a 500 error was returned to the client.
• Fix {func}trim and {func}rtrim functions to produce more intuitive results when the argument contains invalid UTF-8 sequences.
• Add a new web interface with cluster overview, realtime stats, and improved sorting and filtering of queries.
• Add support for FLOAT type.
• Rename query.max-age to query.min-expire-age.
• optimizer.columnar-processing and optimizer.columnar-processing-dictionary properties were merged to optimizer.processing-optimization with possible values disabled, columnar and columnar_dictionary
• columnar_processing and columnar_processing_dictionary session properties were merged to processing_optimization with possible values disabled, columnar and columnar_dictionary
• Change %y (2-digit year) in {func}date_parse to evaluate to a year between 1970 and 2069 inclusive.
• Add queued flag to StatementStats in REST API.
• Improve error messages for math operations.
• Improve memory tracking in exchanges to avoid running out of Java heap space.
• Improve performance of subscript operator for the MAP type.
• Improve performance of JOIN and GROUP BY queries.

Hive

• Clean up empty staging directories after inserts.
• Add hive.dfs.ipc-ping-interval config for HDFS.
• Change default value of hive.dfs-timeout to 60 seconds.
• Fix ORC/DWRF reader to avoid repeatedly fetching the same data when stripes are skipped.
• Fix force local scheduling for S3 or other non-HDFS file systems.