Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.freenet.ag!news2.euro.net!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 0.011 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'case.': 0.05; 'subject:sqlite3': 0.07; 'python': 0.09; 'cc:addr:python-list': 0.10; 'suggest': 0.11; '(when': 0.16; 'on"': 0.16; 'received:209.85.216.53': 0.16; 'url:sqlite': 0.16; 'variable.': 0.16; 'wrote:': 0.17; 'working.': 0.17; 'sender:addr:gmail.com': 0.18; 'variable': 0.20; 'putting': 0.20; 'keys': 0.22; 'cc:2**0': 0.23; "i've": 0.23; 'seems': 0.23; 'cc:addr:python.org': 0.25; 'header:In-Reply-To:1': 0.25; 'compiled': 0.27; 'message- id:@mail.gmail.com': 0.27; 'mind,': 0.29; "i'm": 0.29; 'worked': 0.30; 'code': 0.31; 'file': 0.32; 'print': 0.32; 'skip:s 30': 0.33; 'curious': 0.33; 'turns': 0.33; 'that,': 0.34; 'received:google.com': 0.34; 'thanks': 0.34; 'open': 0.35; 'received:209.85': 0.35; 'but': 0.36; 'url:org': 0.36; "didn't": 0.36; 'should': 0.36; 'possible': 0.37; 'execute': 0.37; 'does': 0.37; 'why': 0.37; 'received:209': 0.37; 'received:209.85.216': 0.37; 'subject:: ': 0.38; 'object': 0.38; 'sure': 0.38; 'header:Received:5': 0.40; 'skip:u 10': 0.60; 'first': 0.61; 'foreign': 0.72; '2013': 0.84; 'difference.': 0.84; 'can!': 0.91 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=FInk8yeA/KjAAUc5e77LGpWlLUNPdcZWqebxaBG53k4=; b=seoB1QlS8YRtiFvzyDIx06hh9gKoh9eWsyFD9hYj6bWzDTXnAfVb0rYuIkD1ct4OyY 0TQehjHk+VbIQ+YNEQwIThDXYPi0GT9itIIYchyT5KisByBwmjs+JfWap1wxrzp92ZGq j9E1xz28DSIwSn1bAxmMAQOof5XZlcGCazdwrIQHXgbL0bLGq+QUIqP6zaAK3RTLzZwC Inh51gmVmFPtzyuyrfy2fVqwfdys9KI9dII7tFJ8OQgsnZ7+LTUUTFZ/H3UvEHv+7iW/ RW76Bz04LXvmvzPPYcynFZtks/McKALw/DhHFQhZfm7RHJ/xNzc7J3xHlIs8puYo6DAO dCRQ== MIME-Version: 1.0 Sender: robertkday@gmail.com In-Reply-To: <2fce91ea-374c-4f55-9e53-fe4032c2f5fd@googlegroups.com> References: <2fce91ea-374c-4f55-9e53-fe4032c2f5fd@googlegroups.com> Date: Tue, 15 Jan 2013 17:13:13 +0000 X-Google-Sender-Auth: st95wg2UjEyvj7AeY9jPSdkhiuY Subject: Re: sqlite3 puzzle From: Rob Day To: llanitedave Content-Type: text/plain; charset=ISO-8859-1 Cc: python-list 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: 21 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1358269996 news.xs4all.nl 6934 [2001:888:2000:d::a6]:54046 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:36861 On 15 January 2013 15:51, llanitedave wrote: > Thanks for the suggestion, Rob, but that didn't make any difference. I've never had an issue with putting the execute object into a variable and calling "fetch" on that variable. > > I can accept reality if it turns out that foreign keys simply isn't enabled on the Python distribution of sqlite, although I don't know why that should be the case. I'm just curious as to why it worked at first and then stopped working. Well - you might be able to accept that, but I'm not sure I can! If it was working before, it must be compiled in, and so it must be possible to make it work again. http://www.sqlite.org/foreignkeys.html#fk_enable seems to suggest that "PRAGMA foreign_keys = ON" never returns anything, and it's only "PRAGMA foreign_keys" which returns 0, 1 or None (when unsupported). With that in mind, does the following code work? # open database file self.geologger_db = sqlite3.connect('geologger.mgc') self.db_cursor = self.geologger_db.cursor() self.db_cursor.execute("PRAGMA foreign_keys = ON") self.db_cursor.execute("PRAGMA foreign_keys") print self.db_cursor.fetchone()