Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.kamp.net!newsfeed.kamp.net!feeder1.cambriumusenet.nl!feed.tweaknews.nl!85.12.40.139.MISMATCH!xlned.com!feeder7.xlned.com!newsfeed.xs4all.nl!newsfeed2.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.034 X-Spam-Evidence: '*H*': 0.93; '*S*': 0.00; 'subject:error': 0.03; 'subject:missing': 0.07; 'concurrent': 0.16; 'error).': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'least.': 0.16; 'sqlite': 0.16; 'wrote:': 0.18; 'app': 0.19; 'written': 0.21; 'seems': 0.21; 'error': 0.23; 'header:In-Reply- To:1': 0.27; 'correct': 0.29; 'am,': 0.29; 'message- id:@mail.gmail.com': 0.30; 'gives': 0.31; 'code': 0.31; 'something': 0.35; 'but': 0.35; 'received:google.com': 0.35; 'instances': 0.36; 'similar': 0.36; 'two': 0.37; 'being': 0.38; 'to:addr:python-list': 0.38; 'does': 0.39; 'to:addr:python.org': 0.39; '30,': 0.65; 'between': 0.67; 'close': 0.67; 'jul': 0.74; 'race': 0.95; '2013': 0.98 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=9+1u+M+boy9pL3vG4KrkLxy33WzbxMUOLex7oKRd5xI=; b=pcnlJnzIVQ9kuccOctV64FuEDnVh+EzNEQVfcQ+v6nvm1wwgZsx3lPKkQguMQe7ujG 7raRUANIbgAoQCIve4ClVYv3EacKN5G7PuJ3jyoG2AZtRKyj5clgZS6uY29C5duPiNQm lTely3pym0ymSGNRKf8m+93EQYPg3TU7V4PinLWzFKFAOdNfhyedNtxfXrUfMfGtemGO xnSy9n6ywPYMoMmne5YU0GFRmc/LLfwRftnOnT2wxOEdXL2DNbV3W5D1vLXFSHPYB7yA tc3d6M/b6oe4SokkNKq57M8WTWBD+suhMAlWJ57xA8Q0xVUqEGGI/wbybL9aB1Z+iinG qiSA== MIME-Version: 1.0 X-Received: by 10.52.65.241 with SMTP id a17mr1409265vdt.23.1375150645531; Mon, 29 Jul 2013 19:17:25 -0700 (PDT) In-Reply-To: References: Date: Tue, 30 Jul 2013 03:17:25 +0100 Subject: Re: SQLite logic error or missing database From: Chris Angelico To: python-list@python.org Content-Type: text/plain; charset=ISO-8859-1 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 12 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1375150654 news.xs4all.nl 15907 [2001:888:2000:d::a6]:37548 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:51539 On Tue, Jul 30, 2013 at 3:02 AM, CM wrote: > If I try additional commits in that same instance of my app being open, > it gives me the same error every time. If I close the app and re-open > it, it does not give me this error, with the same or very similar data > being written in the same routines. So I "know" that the code as > written is correct (a significant--greater than 90%?--of the time I > don't see this error). Is it a race between two concurrent instances of the app? I don't know sqlite but that seems like something to consider, at least. ChrisA