Remove SQLAlchemy dialect

[amotl]

About

This patch removes the SQLAlchemy dialect from the DB API driver. It lives in the sqlalchemy-cratedb repository now.

Details

This branch will be used for testing purposes right away, and must only be merged when sqlalchemy-cratedb is ready, i.e. when it is considered to be good enough to not cause too much friction for downstream users.

References

• https://github.com/crate/product/issues/39

/cc @karynzv, @hlcianfagna, @hammerhead, @tomach, @proddata, @surister, @seut, @simonprickett

[amotl]

Status Report

[...] must only be merged when sqlalchemy-cratedb is ready, i.e. when it is considered to be good enough to not cause too much friction for downstream users.

sqlalchemy-cratedb has been slotted into a few downstream projects already, and CI runs on them are succeeding across the board.

The amount of traffic on that dependency is 2k/month in June 2024 already, so we are considering it stable enough for a switchover, paired with corresponding instructions how to migrate from crate.client.sqlalchemy.

Request for Review

Please also review the relevant announcement notice on the community forum ¹ and the corresponding migration notes on the documentation ². If you can come up with any improvements, please just go ahead and edit the article inline on Discourse, or submit a PR for the migration notes. /cc @simonprickett

Footnotes

1. https://community.cratedb.com/t/migration-from-crate-sqlalchemy-to-sqlalchemy-cratedb/1786 ↩

2. https://cratedb.com/docs/sqlalchemy-cratedb/migrate-from-crate-client.html ↩