> How can we integrate SDB code into PostgreSQL without MVCC support
> in SDB if we still want to have MVCC?! I missed something?
> Or you ask is replacement+changes_in_SDB_for_MVCC easier than
> WAL+new_our_smgr? I don't know.
I guess I was asking if MVCC could be implemented on top of SDB, rather
than changes made to SDB itself.
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