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Re: Proposal: String key space for advisory locks

From: Christophe Pettus <xof(at)thebuild(dot)com>
To: Itagaki Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Proposal: String key space for advisory locks
Date: 2009-10-27 01:35:13
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Oct 26, 2009, at 5:24 PM, Itagaki Takahiro wrote:

> Hmmm, hashtext() returns int32. ,
> Can you reduce the collision issue if we had hashtext64()?

That would certainly reduce the chance of a collison considerably,  
assuming the right algorithm.

-- Christophe Pettus

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