Path: csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed1.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 0.021 X-Spam-Evidence: '*H*': 0.96; '*S*': 0.00; 'ideally': 0.04; 'cursor': 0.09; 'messing': 0.09; '>in': 0.16; 'debugger.': 0.16; 'grows.': 0.16; 'personally,': 0.16; 'pulling': 0.16; 'received:172.18.0': 0.16; 'singleton': 0.16; 'temp': 0.16; 'code.': 0.18; 'module': 0.19; 'putting': 0.22; 'creating': 0.23; 'header:In-Reply-To:1': 0.27; 'point': 0.28; "doesn't": 0.30; 'code': 0.31; 'another': 0.32; 'running': 0.33; 'table': 0.34; 'sense': 0.34; "i'd": 0.34; 'connection': 0.35; 'charset:us-ascii': 0.36; 'thanks': 0.36; 'should': 0.36; 'application': 0.37; 'level': 0.37; 'to:addr :python-list': 0.38; 'rather': 0.38; 'to:addr:python.org': 0.39; 'received:unknown': 0.61; 'needing': 0.65; 'fact,': 0.69; 'potentially': 0.81; 'route': 0.84; 'subject:Best': 0.91 X-Cloudmark-SP-Filtered: true X-Cloudmark-SP-Result: v=1.1 cv=PW5KkOyi2N+7koGLNuH5QW2TYwO584XWNobLzFE45Rc= c=1 sm=1 a=CRTDazI5n6YA:10 a=F3_n2MAKYygA:10 a=7PYXob_7ZXMA:10 a=BLceEmwcHowA:10 a=kj9zAlcOel0A:10 a=xqWC_Br6kY4A:10 a=oNw28mxuUhXRB3mVwYQ4Ag==:17 a=bHup-xqeZgwdli8z3wMA:9 a=CjuIK1q_8ugA:10 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 From: "Joseph L. Casale" To: Python Subject: RE: Best practice for connections and cursors Thread-Topic: Best practice for connections and cursors Thread-Index: AQHOjsdwoB2d8GS7N0aIL+r6i2Qjn5mBF6AsgABtAoCAAGC7IA== Date: Fri, 2 Aug 2013 13:10:50 +0000 References: <719ac7ca4c274c4c884b809e5abd887c@exch.activenetwerx.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.18.0.200] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 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: 18 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1375449150 news.xs4all.nl 16012 [2001:888:2000:d::a6]:47661 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:51804 >Speaking to the OP: personally, I don't like the approach of putting data= access methods at the module level to >begin with. I'd rather use a class= . Just because it makes sense to have a singleton connection now doesn't m= ean it >will always make sense as your application grows. >In fact, the conflict you describe where one cursor is interfering with an= other cursor suggests that you may >already be at the point of needing mult= iple connections. The operation that is creating a temp table and messing = >things up should ideally be pulling an unused connection from a pool, so a= s to avoid potentially contaminating a >connection that may already be in u= se elsewhere in the code. Appreciate the opinion, it would clean it up to go this route so I will. It= turns out the long delay was only a result of running the code through PyCharms debug= ger. Thanks for the suggestion, jlc