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From ermouth <ermo...@gmail.com>
Subject Re: Erlang_Queries
Date Tue, 30 Jul 2019 15:27:03 GMT
Consider trying Photon (https://github.com/ermouth/couch-photon) for
playing with Erlang views. It will look like this
http://ermouth.com/dl/erlang_view.jpg

Your view – even with line breaks – works pretty fine when correctly
serialized into .views.*.map string.

ermouth


вт, 30 июл. 2019 г. в 11:10, Shipra Choudhary <shipra.choudhary@dltlabs.io>:

> *Hi,*
>
> I am trying to write a view in CouchDb by Erlang whatever the code I have
> written in Design Document it is running successfully but I am not getting
> the required result which I am expecting. That code is giving random result
> of random doctype not for which I am asking.
>
>   "_id": "_design/erl_views9",
>
>   "_rev": "18-02fbdaca7ff5a7ef8aa0ec80a1b8f528",
>
>   "language": "erlang",
>
>   "views": {
>
>       "getTemplates": {
>
>       "map": "fun({Doc}) -> Id = couch_util:get_value(<<\"_id\">>, Doc),
> Doc_type = couch_util:get_value(<<\"TEMPLATE\">>, Doc),Emit(Id, Doc_type)
> end."
>
>     }
>
> }
>
> }
>
>  If I am using If in the code then It is giving error of Bad Query.
>
> ERROR: Error running query. Reason: ({badmatch,[<<"error">>,
> {1,erl_parse,["syntax error before: ","'end'"]}, {1,erl_parse,["syntax
> error before: ","'end'"]}]})
> [{couch_query_servers,'-start_doc_map/3-fun-0-',2,
> [{file,"src/couch_query_servers.erl"},{line,61}]},
> {lists,foreach,2,[{file,"lists.erl"},{line,1337}]},
> {couch_query_servers,start_doc_map,3,
> [{file,"src/couch_query_servers.erl"},{line,60}]},
> {couch_mrview_updater,start_query_server,1,
> [{file,"src/couch_mrview_updater.erl"},{line,231}]},
> {couch_mrview_updater,map_docs,2,
> [{file,"src/couch_mrview_updater.erl"},{line,184}]}]
>
>
> What am I expecting ?
>
> By passing particular key in doc_type and should get all the views
> according to key value which I will pass in the function.
>
>
>
>
>
>
> *Shipra Chaudhary*
> *Software Engineer*
>
> *+91 6390167803*
> *shipra.choudhary@dltlabs.io <shipra.choudhary@dltlabs.io>*
>
>   *Plot No. 5  **J V P Building,**4th Floor,**Madhapur,*
>
>
> * Hyderabad, Telangana- 500081, India.*
>

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