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> Why is there no InnoDB for PostgreSQL?

> Why is there no InnoDB for PostgreSQL? (we maintain OrioleDB) Mostly because the TAM API isn't mature enough yet. Hopefully we can upstream more patches so that it's possible > undo-based MVCC storage engine project stall? From what I could gather, it ran out of steam simply because of the difficulty of the task. There is a lot of work involved to get the requisite patches into core and the community are (correctly) cautious

Posted by kiwicopple on Feb 6, 2026, 6:04 PM

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> Why is there no InnoDB for PostgreSQL?

kiwicoppleFeb 6, 2026, 6:04 PM

> Why is there no InnoDB for PostgreSQL? (we maintain OrioleDB) Mostly because the TAM API isn't mature enough yet. Hopefully we can upstream more patches so that it's possible > undo-based MVCC storage engine project stall? From what I could gather, it ran out of steam simply because of the difficulty of the task. There is a lot of work involved to get the requisite patches into core and the community are (correctly) cautious

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