Horton

bitmap scan and explain analyze

Tatsuo Ishii <t-ishii@sra.co.jp>

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From: Tatsuo Ishii <t-ishii@sra.co.jp>
To: pgsql-hackers@postgresql.org
Date: 2005-05-03T09:11:28Z
Lists: pgsql-hackers 
I noticed that explain analyze emits a little bit funny reslut for
bitmap scans:

BitmapOr  (cost=157.36..157.36 rows=18894 width=0) (actual time=9.406..9.406 rows=0 loops=1)

Why actual rows=0?
--
Tatsuo Ishii