Re: UNIQUE capability to hash indexes

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Shubham Barai <shubhambaraiss(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: UNIQUE capability to hash indexes
Date: 2016-02-04 18:12:01
Message-ID: 23242.1454609521@sss.pgh.pa.us
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Shubham Barai <shubhambaraiss(at)gmail(dot)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.

regards, tom lane

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