CouchDB のきほんチートシート curl 編 ref: http://qiita.com/usagi/items/ffe7b2cde9f2f8b1b7f4

file0.txt

HTTP/1.1 200 OK
Server: CouchDB/1.6.1 (Erlang OTP/18)
ETag: "8-0517d1736e63d34d91db334b97a2a94b"
Date: Tue, 30 Aug 2016 20:21:39 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 58
Cache-Control: must-revalidate

file1.txt

HTTP/1.1 404 Object Not Found
Server: CouchDB/1.6.1 (Erlang OTP/18)
Date: Tue, 30 Aug 2016 20:21:54 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 41
Cache-Control: must-revalidate

file10.txt

100 + 101 + 102 = 303 ( = value1 )
200 + 201 + 202 = 603 ( = value2 )
300 + 301 + 302 = 903 ( = value3 )

file11.txt

303 + 603 + 903 = 1809 ( = d2/v3 の map -> reduce 後の最終的な結果としての value )

file12.txt

{ "shows":
  { "s1":
      "function ( d, r )
      {
        var hs = { };
        var b;

        if ( ! d )
          b = 'document is n/a.';
        else if ( r.query.csv )
        {
          hs[ 'content-type' ] = 'text/csv';
          b = [ d.k1, d.k2, d.k3 ].reduce( function ( a, b ) { return a + ', ' + b; } );
        }
        else
        {
          hs[ 'content-type' ] = 'application/json';
          b = JSON.stringify( d );
        }

        return { 'headers': hs, 'body': b + '\\n' };
      }"
  }
}

file13.html

<ul>
  <li>303
  <li>603
  <li>903
</ul>

file13.txt

{
  "info":{
    "db_name":"test",
    "doc_count":8,
    "doc_del_count":0,
    "update_seq":100,
    "purge_seq":0,
    "compact_running":false,
    "disk_size":446568,
    "data_size":8112,
    "instance_start_time":"1472498362522313",
    "disk_format_version":6,
    "committed_update_seq":100
  },
  "id":"aa",
  "uuid":"56b000058f5a060388a4da64e7024e5d",
  "method":"GET",
  "requested_path":[
    "test",
    "_design",
    "d4",
    "_show",
    "s1",
    "aa"
  ],
  "path":[
    "test",
    "_design",
    "d4",
    "_show",
    "s1",
    "aa"
  ],
  "raw_path":"/test/_design/d4/_show/s1/aa",
  "query":{

  },
  "headers":{
    "Accept":"*/*",
    "Host":"127.0.0.1:5984",
    "User-Agent":"curl/7.47.0"
  },
  "body":"undefined",
  "peer":"127.0.0.1",
  "form":{

  },
  "cookie":{

  },
  "userCtx":{
    "db":"test",
    "name":null,
    "roles":[
      "_admin"
    ]
  },
  "secObj":{

  }
}

file14.txt

{ "views": { "v1": { "map": "function( d ) { emit( null, d.k1 + d.k2 + d.k3 ) }" } }
, "lists":
  { "l1":
    "function ( h, r )
    {
      start( { 'headers': { 'content-type': 'text/html' } } );

      send( '<ul>\\n' );

      var row;
      while ( row = getRow() )
        send( '  <li>' + row.value + '\\n' );

      send( '</ul>\\n' );
    }"
  }
}

file15.html

<ul>
  <li>303
  <li>603
  <li>903
</ul>

file2.txt

{ "language": "javascript"
, "views":
  { "v1":
    { "map":
        "function ( d )
        {
          if ( d.k1 > 200 )
            emit( d._id, { 'k1': d.k1, 'k2 + k3': d.k2 + d.k3 } );
        }"
    }
  , "v2":
    { "map":
        "function ( d )
        {
          if ( d.k2 > 200 )
            emit( d._id + '-' + d.k3, null );
        }"
    }
  }
}

file3.txt

{
  "_id":"_design/d1",
  "_rev":"1-b0a42e17ff9d67143d6ef16174ee894c",
  "language":"javascript",
  "views":{
    "v1":{
      "map":"function ( d )        {          if ( d.k1 > 200 )            emit( d._id, { 'k1': d.k1, 'k2 + k3': d.k2 + d.k3 } );        }"
    },
    "v2":{
      "map":"function ( d )        {          if ( d.k2 > 200 )            emit( d._id + '-' + d.k3, null );        }"
    }
  }
}

file4.txt

{
  "total_rows":1,
  "offset":0,
  "rows":[
    {
      "id":"ccc",
      "key":"ccc",
      "value":{
        "k1":300,
        "k2 + k3":603
      }
    }
  ]
}

file5.txt

{
  "total_rows":2,
  "offset":0,
  "rows":[
    {
      "id":"bbb",
      "key":"bbb-202",
      "value":null
    },
    {
      "id":"ccc",
      "key":"ccc-302",
      "value":null
    }
  ]
}

file6.txt

{ "views":
  { "v3":
    { "map"   : "function ( d ) { emit( d._id, d.k1 + d.k2 + d.k3 ) }"
    , "reduce": "function ( k, v, r ) { return sum( v ) }"
    }
  }
}

file7.txt

{
  "_id":"_design/d2",
  "_rev":"1-0a71c65253d237bbc66aa4df3b1f2d11",
  "views":{
    "v3":{
      "map":"function ( d ) { emit( d._id, d.k1 + d.k2 + d.k3 ) }",
      "reduce":"function ( k, v, r ) { return sum( v ) }"
    }
  }
}

file8.txt

{
  "rows":[
    {
      "key":null,
      "value":1809
    }
  ]
}

file9.txt

{"id":"aaa","key":"aaa","value":{"rev":"1-c8227456e13a740a3a950be456a85f21"},"doc":{"_id":"aaa","_rev":"1-c8227456e13a740a3a950be456a85f21","k1":100,"k2":101,"k3":102}},
{"id":"bbb","key":"bbb","value":{"rev":"1-ea6f81f73a3bf9c1dc3391565b740870"},"doc":{"_id":"bbb","_rev":"1-ea6f81f73a3bf9c1dc3391565b740870","k1":200,"k2":201,"k3":202}},
{"id":"ccc","key":"ccc","value":{"rev":"1-5bac6f87d40c8d92da4a0586361bb950"},"doc":{"_id":"ccc","_rev":"1-5bac6f87d40c8d92da4a0586361bb950","k1":300,"k2":301,"k3":302}}
]}