Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1a7aee-0005TZ-9Y for pgsql-performance@arkaria.postgresql.org; Sat, 12 Dec 2015 03:15:28 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84) (envelope-from ) id 1a7aed-0001Fb-9o for pgsql-performance@arkaria.postgresql.org; Sat, 12 Dec 2015 03:15:27 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84) (envelope-from ) id 1a7acz-0007Fn-Al for pgsql-performance@postgresql.org; Sat, 12 Dec 2015 03:13:45 +0000 Received: from mailout01.ims-firmen.de ([213.174.32.96]) by makus.postgresql.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.84) (envelope-from ) id 1a7acw-0006Dg-9C for pgsql-performance@postgresql.org; Sat, 12 Dec 2015 03:13:44 +0000 Received: from mailin01.ims-firmen.de ([192.168.1.141]) by mailout01.ims-firmen.de with esmtp (envelope-from ) id 1a7act-0001z1-ia; Sat, 12 Dec 2015 04:13:39 +0100 Received: from [213.174.32.191] (helo=oxweb01.ims-firmen.de) by mailin01.ims-firmen.de with esmtpsa (TLSv1:RC4-MD5:128) (envelope-from ) id 1a7act-0000ov-01; Sat, 12 Dec 2015 04:13:39 +0100 Date: Sat, 12 Dec 2015 04:13:38 +0100 (CET) From: Andreas Kretschmer Reply-To: Andreas Kretschmer To: Rick Otten , pgsql-performance@postgresql.org Message-ID: <770682355.328334.1449890018990.JavaMail.open-xchange@oxweb01.ims-firmen.de> In-Reply-To: References: <20151211194440.GA14772@tux> <1203683949.315121.1449870245520.JavaMail.open-xchange@oxweb02.ims-firmen.de> <1493794655.315218.1449879621677.JavaMail.open-xchange@oxweb02.ims-firmen.de> Subject: Re: partitioned table set and indexes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Priority: 3 Importance: Medium X-Mailer: Open-Xchange Mailer v7.6.2-Rev12 X-Originating-Client: com.openexchange.ox.gui.dhtml X-Pg-Spam-Score: -2.6 (--) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-performance Precedence: bulk Sender: pgsql-performance-owner@postgresql.org > Rick Otten hat am 12. Dezember 2015 um 01:55 > geschrieben: > > > Why does it index scan when I use where, but not when I do a join? difficult to say/guess because of anonymized names and not knowing the real query. This one? http://explain.depesz.com/s/1es ? All seqscans are fast, a seqscan isn't evil per se. -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance