Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id 6E1EA1337B6E for ; Sat, 26 Mar 2011 07:30:32 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.29]) (amavisd-maia, port 10024) with ESMTP id 65223-02 for ; Sat, 26 Mar 2011 10:30:23 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) by mail.postgresql.org (Postfix) with ESMTP id D97E81337B4E for ; Sat, 26 Mar 2011 07:30:21 -0300 (ADT) Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1Q3Ql9-0002G3-RP for pgsql-sql@postgresql.org; Sat, 26 Mar 2011 11:30:19 +0100 Received: from ip-118-90-130-129.xdsl.xnet.co.nz ([118.90.130.129]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 26 Mar 2011 11:30:19 +0100 Received: from jasen by ip-118-90-130-129.xdsl.xnet.co.nz with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 26 Mar 2011 11:30:19 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: pgsql-sql@postgresql.org From: Jasen Betts Subject: Re: converting big int to date Date: 26 Mar 2011 10:04:43 GMT Organization: Dis (not Dat) Organisation Lines: 25 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: ip-118-90-130-129.xdsl.xnet.co.nz X-Face: ?)Aw4rXwN5u0~$nqKj`xPz>xHCwgi^q+^?Ri*+R(&uv2=E1Q0Zk(>h!~o2ID@6{uf8s; a +M[5[U[QT7xFN%^gR"=tuJw%TXXR'Fp~W; (T"1(739R%m0Yyyv*gkGoPA.$b,D.w:z+<'"=-lVT?6 {T?=R^:W5g|E2#EhjKCa+nt":4b}dU7GYB*HBxn&Td$@f%.kl^:7X8rQWd[NTc"P"u6nkisze/Q; 8 "9Z{peQF,w)7UjV$c|RO/mQW/NMgWfr5*$-Z%u46"/00mx-,\R'fLPe.)^ User-Agent: slrn/pre1.0.0-18 (Linux) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.91 tagged_above=-5 required=5 tests=BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201103/42 X-Sequence-Number: 35244 On 2011-03-23, Sree wrote: > --90e6ba2123fbe15f02049f2ccf73 > Content-Type: text/plain; charset=ISO-8859-1 > > How can i convert bigint to date format. > > bigint=616962528000000000 that's got the right number of zeros to be a date expressed as microseconds since epoch in which case the magic spell is select 'epoch'::timestamptz + '1s'::interval * (616962528000000000::bigint /1000000000.0); gives me a date in 1989 if it's some from a microsoft inspored system instead of AT&T inspired you might need to add '10 years'::interval to the result. -- ⚂⚃ 100% natural