Shubham Barai wrote:
> Hi,
> 
> Now that hash index support write-ahead logging, it will be great if we add
> support for predicate locking to it.
> Implementation of predicate locking in hash index seems very simple.
> I have already made changes in the code. I am currently working on testing.

So if I understand correctly, this would only cause a false positive if
two transactions have a rw/ww conflict in different tuples in the same
bucket.  Is that what we expect?

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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