Andrew Dunstan <and...@dunslane.net> writes:
> Tom Lane wrote:
>> Doesn't that eliminate any chance of running two CREATE INDEXes
>> concurrently on the same table?
> No, since neither of them will have any locking dependencies, which are
> only for items that take an exclusive lock on the table(s), such as FK
> constraints.
In that case a CREATE INDEX would also fail to be seen as conflicting
with an ALTER ADD FOREIGN KEY, which I thought was the nub of Josh's
complaint.
regards, tom lane
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