Mailing-List: contact user-help@couchdb.apache.org; run by ezmlm
Precedence: bulk
Reply-To: user@couchdb.apache.org
Received-SPF: pass (athena.apache.org: domain of simon@cloudant.com designates
 209.85.212.52 as permitted sender)
MIME-Version: 1.0
In-Reply-To: <8FD82E78-16BA-49AC-8D5E-E8C477FEEBFD@me.com>
References: <91593B54-D63F-47A6-BB7F-0B176D705C78@me.com>
	<2D482DCE-31A8-495F-B484-A484F92FA5D0@couchbase.com>
	<8FD82E78-16BA-49AC-8D5E-E8C477FEEBFD@me.com>
Date: Tue, 18 Sep 2012 18:05:43 +0100
Message-ID: 
 <CAAbXfFTHt7g3CzsjtmTRqWjnuyKpOFFReA6BzXyZRp7Qwu9jiQ@mail.gmail.com>
Subject: Re: Exclude documents from view based on list of regex expressions
From: Simon Metson <simon@cloudant.com>
To: user@couchdb.apache.org
Content-Type: multipart/alternative; boundary=047d7bacb6248806d004c9fce67c

--047d7bacb6248806d004c9fce67c
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: quoted-printable

Hey Carl,
I think you'll want a map like:

function(doc) {
  var reg_exps =3D [/bar/g, /baz/g];
  for (r in reg_exps){
    if (doc.name.match(reg_exps[r])){
      return;
    }
  }
  emit(doc.name, 1);
}

Cheers
Simon

On Tue, Sep 18, 2012 at 5:57 PM, Carl Bourne <carl.bourne@me.com> wrote:

> Thanks for the advice Jens!
>
> I'm fairly new to Couch any chance of a simple example that shows how to
> build this type of map function?
>
> Regards,
>
> Carl
>
> Carl Bourne | Senior Sales Engineer | mobile: +44 (0) 7770 284294 |
> www.venafi.com
>
> On 18 Sep 2012, at 17:40, Jens Alfke <jens@couchbase.com> wrote:
>
> >
> > On Sep 18, 2012, at 8:51 AM, Carl Bourne <carl.bourne@me.com<mailto:
> carl.bourne@me.com>> wrote:
> >
> > Whats the best approach for excluding documents from a view based on a
> list of regex expressions. For example I want to exclude anything where
> doc.issue.name contains a value that matches a list of regex expressions.
> >
> > The map function should contain an array of regexes, and match the
> doc.issue.name against each one in turn. If it matches any of them, just
> return, else emit whatever the appropriate key/value are.
> >
> > =97Jens
>

--047d7bacb6248806d004c9fce67c--