[jira] [Created] (COUCHDB-1851) View binding to a document

["Gary Titus (JIRA)" <ji...@apache.org>]

Gary Titus created COUCHDB-1851:
-----------------------------------

             Summary: View binding to a document
                 Key: COUCHDB-1851
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1851
             Project: CouchDB
          Issue Type: New Feature
          Components: Database Core, JavaScript View Server
            Reporter: Gary Titus


Would like to request for a feature of creating a design document to be associated with only one document.
Currently the view function function(doc) it iterates over all documents in the database and one is required to check for either _id or create a type and check for it in the view.
In my use of couchdb i have lot of documents with large size and so running of a view takes one and in some case couch crashes with following

[Tue, 25 Jun 2013 10:23:08 GMT] [error] [<0.24612.16>] {error_report,<0.34.0>,
                        {<0.24612.16>,crash_report,
                         [[{initial_call,
                            {couch_view_group,init,['Argument__1']}},
                           {pid,<0.24612.16>},
                           {registered_name,[]},
                           {error_info,
                            {exit,
                             {os_process_error,{exit_status,0}},
                             [{gen_server,terminate,6,
                               [{file,"gen_server.erl"},{line,737}]},
                              {proc_lib,init_p_do_apply,3,
                               [{file,"proc_lib.erl"},{line,227}]}]}},
                           {ancestors,[<0.24611.16>]},
                           {messages,[]},
                           {links,[<0.24613.16>,<0.101.0>]},
                           {dictionary,[]},
                           {trap_exit,true},
                           {status,running},
                           {heap_size,1597},
                           {stack_size,24},
                           {reductions,438}],
                          []]}}
[Tue, 25 Jun 2013 10:23:08 GMT] [error] [<0.24613.16>] ** Generic server <0.24613.16> terminating 
** Last message in was {'EXIT',<0.24612.16>,
                               {os_process_error,{exit_status,0}}}
** When Server state == {file,{file_descriptor,prim_file,{#Port<0.5462>,512}},
                              4192}
** Reason for termination == 
** {os_process_error,{exit_status,0}}

[Tue, 25 Jun 2013 10:23:08 GMT] [error] [<0.24613.16>] {error_report,<0.34.0>,
                        {<0.24613.16>,crash_report,
                         [[{initial_call,{couch_file,init,['Argument__1']}},
                           {pid,<0.24613.16>},
                           {registered_name,[]},
                           {error_info,
                            {exit,
                             {os_process_error,{exit_status,0}},
                             [{gen_server,terminate,6,
                               [{file,"gen_server.erl"},{line,737}]},
                              {proc_lib,init_p_do_apply,3,
                               [{file,"proc_lib.erl"},{line,227}]}]}},
                           {ancestors,[<0.24612.16>,<0.24611.16>]},
                           {messages,[{'EXIT',<0.24615.16>,shutdown}]},
                           {links,[]},
                           {dictionary,[]},
                           {trap_exit,true},
                           {status,running},
                           {heap_size,610},
                           {stack_size,24},
                           {reductions,1093}],
                          []]}}
[Tue, 25 Jun 2013 10:23:08 GMT] [error] [<0.29460.2>] Uncaught server error: {os_process_error,
                                              {exit_status,0}}

Now i agree that my document may be too big, and i know which one cause the problem it would of immense help if instead of going through each document in the view function i can pass the doc._id to the view function or the view is associated somehow with a document and runs for only that document.

That will solve one of my issues in terms of view performance and memory requirements in the case that is a large document but i have no view associated with it and i have smaller docs that contain extracted content of the large doc on which i want to run views then if the view is associated with a document it will never load the large document.




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