Re: B-tree leaf node structure

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: edwardyf <edwardyf(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: B-tree leaf node structure
Date: 2009-10-22 15:14:36
Message-ID: 692.1256224476@sss.pgh.pa.us
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edwardyf <edwardyf(at)gmail(dot)com> writes:
> If the index is on an attribute with duplicate values. will it be:
> 1) one index tuple for each row, though with the same value, or
> 2) one index tuple for each value, containing a list of row ids.

1.

regards, tom lane

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