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Re: lexeme ordering in tsvector

  • From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
  • To: sushant354(at)gmail(dot)com
  • Cc: pgsql-hackers(at)postgresql(dot)org
  • Subject: Re: lexeme ordering in tsvector
  • Date: Mon, 30 Nov 2009 13:29:34 -0500
  • Message-id: <7632.1259605774@sss.pgh.pa.us> <text/plain>
Sushant Sinha <sushant354(at)gmail(dot)com> writes:
> Was this change in ordering deliberate?

Yes.

> Wouldn't length comparison be cheaper than memcmp?

It's not just about "cheapest" anymore, it also has to support prefix
operations.

			regards, tom lane
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