There's an assertion in multixact.c, MultiXactIdExpand function, line 273:
Assert(!TransactionIdEquals(multi, xid));
where multi is a MultiXactId and xid is a TransactionId.
Isn't this bogus? If I understand the code correctly, multixactids and regular xids live in completely separate id spaces. Therefore a comparison between them makes no sense.
- Heikki
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