Return-Path: X-Original-To: apmail-couchdb-user-archive@www.apache.org Delivered-To: apmail-couchdb-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 5C8357B04 for ; Thu, 20 Oct 2011 13:12:58 +0000 (UTC) Received: (qmail 80042 invoked by uid 500); 20 Oct 2011 13:12:56 -0000 Delivered-To: apmail-couchdb-user-archive@couchdb.apache.org Received: (qmail 79982 invoked by uid 500); 20 Oct 2011 13:12:56 -0000 Mailing-List: contact user-help@couchdb.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@couchdb.apache.org Delivered-To: mailing list user@couchdb.apache.org Received: (qmail 79974 invoked by uid 99); 20 Oct 2011 13:12:56 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 20 Oct 2011 13:12:56 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of alexander.uvarov@gmail.com designates 209.85.214.52 as permitted sender) Received: from [209.85.214.52] (HELO mail-bw0-f52.google.com) (209.85.214.52) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 20 Oct 2011 13:12:50 +0000 Received: by bkbzs2 with SMTP id zs2so4899673bkb.11 for ; Thu, 20 Oct 2011 06:12:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=KUIlpczsJe9OYU+v3EUufleXAClymCZT1fND77O0euA=; b=Yla1E0w53RjocE48u473WS4Vx4ZlpU6brAUL0BpmIXaBLb2MmhZZHYInQgmQ1gApHy il/GM+RgsGVxRmLoIqCzycvY5alpHkrt7LLI7Mzf3zGjH1ZfFpjUMEDby8qeRAbKMGzi wNR0nnP/f1uHvVaKuOrAviKwPuTAVQ+z65kGY= Received: by 10.204.145.15 with SMTP id b15mr8353448bkv.52.1319116349119; Thu, 20 Oct 2011 06:12:29 -0700 (PDT) MIME-Version: 1.0 Received: by 10.204.228.2 with HTTP; Thu, 20 Oct 2011 06:12:09 -0700 (PDT) In-Reply-To: <4EA018A1.9020700@gmail.com> References: <4EA00C9D.9080906@openforce.com> <4EA018A1.9020700@gmail.com> From: Alexander Uvarov Date: Thu, 20 Oct 2011 19:12:09 +0600 Message-ID: Subject: Re: unique constraint in couchdb To: user@couchdb.apache.org Content-Type: text/plain; charset=UTF-8 This is not a problem in RDBMS with transactions and constraints. Am I missing something? On Thu, Oct 20, 2011 at 6:48 PM, CGS wrote: > Hi Patrick, > > I suppose that is more of logic than the tool itself and I suppose you may > enter the same problem in any DB you may change to (SQL or no-SQL).