On 2/4/16 1:12 PM, Tom Lane wrote:
> Shubham Barai <shubhambara...@gmail.com> writes:
>> I wanted to know if anyone is working on these projects from todo list.
>> 1.Add UNIQUE capability to hash indexes
>> 2.Allow multi-column hash indexes
> 
> Not that I've heard of.  It's very hard to muster any enthusiasm for
> improving hash indexes unless their lack of WAL-logging is fixed first.

+1.

I currently steer customers away from hash indexes and have never used
them for any project myself.  They are simply not safe.

-- 
-David
da...@pgmasters.net

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