Release 386 (15 Jun 2022)#
General#
JDBC driver#
- Add configuration property - assumeLiteralUnderscoreInMetadataCallsForNonConformingClientsfor situations where applications do not properly escape schema or table names in calls to- DatabaseMetaData. (#12672)
Accumulo connector#
- Disallow creating a view in a non-existent schema. (#12475) 
Delta Lake connector#
- Improve query performance on tables with many small files. (#12755) 
- Disallow reading tables if - delta.columnMapping.modetable property is specified. (#12621)
- Set a target maximum file size during table writes. The default is 1 GB and can be configured with the - target_max_file_sizesession property or the- target-max-file-sizeconfiguration property. (#12820)
Hive connector#
- Fix incompatibility with Apache Hive when writing decimal values with precision of 18 or less with the experimental Parquet writer. (#12658) 
- Fix potential query failure when using schema evolution with union-typed columns. (#12520) 
- Fix potential query failure when reading - timestamp(6) with time zonevalues. (#12804)
Iceberg connector#
- Disallow creating a table with a pre-existing destination location. (#12573) 
- Fix - NoClassDefFoundErrorquery failure when using Google Cloud Storage. (#12674)
- Fix - ClassNotFoundException: Class io.trino.plugin.hive.s3.TrinoS3FileSystemerror when querying- information_schema.columns. (#12676)
- Avoid creating a table snapshot when a write statement does not change the table state. (#12319) 
- Fix incorrect query results when filtering on - $pathsynthetic column and on at least one other column. (#12790)
- Fix potential query failure when reading - timestamp(6) with time zonevalues. (#12804)
- Fix query failure when using the - [VERSION | TIMESTAMP] AS OFclause on a table with redirection. (#12542)
- Fix query failure when reading a - timestamp(p) with time zonevalue before 1970 from a Parquet file. (#12852)
Kafka connector#
- Fix failure when decoding a - floatvalue to- realtype. (#12784)
Phoenix connector#
- Remove support for Phoenix 4. (#12772)