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changes_0.2.0.md

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metabase-driver 0.2.0, released 2022-01-18

Code name: Exasol specific data types and fix for TIMESTAMP columns

Summary

This release fixes two issues when reading TIMESTAMP columns:

  • Reading null values caused a NullPointerException in the driver.
  • Timestamp values are now read in UTC timezone instead of the local time zone.

The release also adds support for Exasol specific data types INTERVAL, GEOMETRY and HASHTYPE. As Metabase does not support these types, they are returned as strings of Metabase type :type/*. There is an issue with scanning values of GEOMETRY columns, see issue #20 and user guide for details.

The new release also logs the driver and JDBC driver version, see details in the user guide.

Features

  • #16: Added a log message containing driver version and JDBC driver version when Metabase loads the Exasol driver
  • #6: Added support for Exasol specific data types INTERVAL, GEOMETRY and HASHTYPE

Bugfixes

  • #17: Fixed reading TIMESTAMP columns

Tests

  • #3: Added integration tests for filter, joins and sub-selects
  • #4: Added integration tests for scalar functions
  • #5: Added integration tests for aggregate functions

Dependency Updates

  • #14: Upgraded Metabase from 0.41.5 to 0.41.6