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Subject: Re: Filtered Replication
To: <user@couchdb.apache.org>
References: <CALJqp+WTYvR-v0p=k3jqFU3iDyT=jFqa=J64T2w2ExL1B9bfyg@mail.gmail.com>
From: James Dingwall <james.dingwall@zynstra.com>
Message-ID: <92677a5c-1a01-515e-2355-c9c46dca1cf4@zynstra.com>
Date: Wed, 8 Feb 2017 08:50:26 +0000
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On 08/02/17 08:23, John Le Brasseur wrote:
> Hi.
> Can anyone tell me why this works:
>
> {
>   "_id": "_design/first_filter",
>   "_rev": "24-a6c1822c543f96d1bf4803112092e9ae",
>   "filters": {
>     "filter1": "function(doc, req) {if (doc.abc =3D=3D=3D \"xyz\") {retur=
n
> true;}else{return false;}}"
>   },
>   "language": "javascript"
> }
>
>
>
> and this does not:
>
> {
>   "_id": "_design/first_filter",
>   "_rev": "24-a6c1822c543f96d1bf4803112092e9ae",
>   "filters": {
>     "filter1": "function(doc, req) {if (doc.def.ghi =3D=3D=3D \"jkl\") {r=
eturn
> true;}else{return false;}}"
>   },
>   "language": "javascript"
> }
>
>
> In the second case I get:
>
> [error] 2017-02-07T18:55:40.384000Z couchdb@localhost <0.32487.361>
> f201ca664a OS Process Error <0.18298.118> ::
> {<<"TypeError">>,{[{<<"message">>,<<"doc.def is undefined">>}

Design documents can be considered by the replication depending on
configuration and the example you have given does not have doc.def.
Perhaps rewrite the test to make sure doc.def is present and is an object.

if(doc.def && typeof doc.def =3D=3D=3D 'object' && doc.def.ghi =3D=3D=3D 'j=
kl'){}
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