Entities data model at DB

Origina datamodel

From Orion's official documentation at https://fiware-orion.readthedocs.io/en/master/admin/database_model/index.html#entities-collection:

{
   "_id":
       "id": "E1",
       "type": "T1",
       "servicePath": "/"
   },
   "attrs": {
       "A1": {
           "type": "TA1",
           "value": "282",
           "creDate" : 1389376081,
           "modDate" : 1389376120,
           "md" : {
              "customMD1": {
                 "type" : "string",
                 "value" : "AKAKA"
              },
              "customMD2": {
                 "type" : "integer",
                 "value" : "23232"
              }
           },
           "mdNames": [ "customMD1", "customMD2" ]
       },
       "A2": {
           "type": "TA2",
           "value": "176",
           "creDate" : 1389376244,
           "modDate" : 1389376244
       },
       "position": {
           "type": "location",
           "value": "40.418889, -3.691944",
           "creDate" : 1389376244,
           "modDate" : 1389376244
       }
   },
   "attrNames": [ "A1", "A2", "position" ],
   "creDate": 1389376081,
   "modDate": 1389376244,
   "location": {
       "attrName": "position",
       "coords": {
           "type": "Point",
           "coordinates": [ -3.691944, 40.418889 ]
       }
   },
   "lastCorrelator" : "aa01d6c6-4f7e-11e7-8059-000c29173617"
 }

1st iteration

Use type and attrs.<name> for the alias to keep compatibility with NGSIv2. Add an additional field (typeContext and context) to keep extra info (an URL?) related with NGSI-LD. Please edit the document below in order to provide right examples for these fields.

{
   "_id":
       "id": "E1",
       "type": "T1",
       "contextType": <add_example_here>,
       "servicePath": "/"
   },
   "attrs": {
       "A1": {
           "type": "TA1",
           "value": "282",
           "context": <add_example_here>,
           "creDate" : 1389376081,
           "modDate" : 1389376120,
           "md" : {
              "customMD1": {
                 "type" : "string",
                 "value" : "AKAKA"
              },
              "customMD2": {
                 "type" : "integer",
                 "value" : "23232"
              }
           },
           "mdNames": [ "customMD1", "customMD2" ]
       },
       "A2": {
           "type": "TA2",
           "value": "176",
           "context": <add_example_here>,
           "creDate" : 1389376244,
           "modDate" : 1389376244
       },
       "position": {
           "type": "location",
           "value": "40.418889, -3.691944",
           "context": <add_example_here>,
           "creDate" : 1389376244,
           "modDate" : 1389376244
       }
   },
   "attrNames": [ "A1", "A2", "position" ],
   "creDate": 1389376081,
   "modDate": 1389376244,
   "location": {
       "attrName": "position",
       "coords": {
           "type": "Point",
           "coordinates": [ -3.691944, 40.418889 ]
       }
   },
   "lastCorrelator" : "aa01d6c6-4f7e-11e7-8059-000c29173617"
 }