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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Peter Geoghegan <pg@heroku.com>
cc: =?UTF-8?B?5aSn5aGa5oay5Y+4?= <otsuka.kenji@nttcom.co.jp>,
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Subject: Re: [DOCS] The number of bytes is stored in index_size of
 pgstatindex() ?
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Comments: In-reply-to Peter Geoghegan <pg@heroku.com>
	message dated "Thu, 18 Feb 2016 15:57:00 -0800"
Date: Thu, 18 Feb 2016 19:15:22 -0500
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Peter Geoghegan <pg@heroku.com> writes:
> Why would dead pages not get traversed by scans?

Because they've been removed from the right-link/left-link chains.

			regards, tom lane


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