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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

Unreleased

1.1 – 2020-02-05

Added

  • Add support for excluded columns. These are columns for which updates do not cause GENERATED ALWAYS AS ROW START to change, and historical rows will not be generated.

    This is not in the standard, but was requested by several people.

  • Cache some query plans in the C code.

  • Describe the proper way to ALTER a table with SYSTEM VERSIONING.

Fixed

  • Match columns in the main table and the history table by name. This was an issue if either of the tables had dropped columns.

  • Use the main table's tuple descriptor when there is no mapping necessary with the history table's tuple descriptor (see previous item). This works around PostgreSQL bug #16242 where missing attributes are not considered when detecting differences.

1.0 – 2019-08-25

Added

  • Initial release. Supports all features of the SQL Standard concerning periods and SYSTEM VERSIONING.