From: monalee_dba <monalee@sungraceinfotech.co.in>
To: pgsql-performance@postgresql.org
Subject: BitMap Heap Scan & BitMap Index Scan
Date: Sat, 9 Nov 2013 23:32:14 -0800 (PST)
Message-ID: <1384068734255-5777632.post@n5.nabble.com> (raw)
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-performance>
I would like to know, What is BitMap Heap Scan & BitMap Index Scan?When I use
EXPLAIN for query, which has LEFT JOIN with 4 different table thensome time
query planner uses Bitmap Heap Scan and some time Bitmap Index Scan?
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To: pgsql-performance@postgresql.org
Cc: monalee@sungraceinfotech.co.in
Subject: Re: BitMap Heap Scan & BitMap Index Scan
In-Reply-To: <1384068734255-5777632.post@n5.nabble.com>
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