https://www.postgresql.org/docs/11/contrib-spi.html#id-1.11.7.45.6 https://www.postgresql.org/docs/11/contrib-spi.html#id-1.11.... discusses a model for impleme

https://www.postgresql.org/docs/11/contrib-spi.html#id-1.11.7.45.6 https://www.postgresql.org/docs/11/contrib-spi.html#id-1.11.... discusses a model for implementing time travel in Postgres <12 using SPI. https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=2d10defa7771931295ee804cf096fb9388472a7b https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit... discusses why it was removed in Postgres 12 - it seems logical that it's more maintainable to implement in plpgsql, though as far as I can tell there aren't off-the-shelf implementations of this. We use https://django-simple-history.readthedocs.io/en/latest/ https://django-simple-history.readthedocs.io/en/latest/ (with some custom tooling for diff generation) for audit logs and resettability, and while you can't move an entire set of tables back in time simultaneously, it's usually sufficient for understanding data history.