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From "Ayub Pathan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ATLAS-1874) V2 DSL search query does not support for count() but v1 do.
Date Wed, 14 Jun 2017 10:11:00 GMT
Ayub Pathan created ATLAS-1874:
----------------------------------

             Summary: V2 DSL search query does not support for count() but v1 do.
                 Key: ATLAS-1874
                 URL: https://issues.apache.org/jira/browse/ATLAS-1874
             Project: Atlas
          Issue Type: Bug
          Components:  atlas-core
    Affects Versions: 0.8.1-incubating
            Reporter: Ayub Pathan
             Fix For: 0.9-incubating, 0.8.1-incubating


v1 DSL query supports count()
{noformat}
curl -u admin:admin 'http://ctr-e133-1493418528701-113468-01-000002.hwx.site:21000/api/atlas/discovery/search/dsl?query=hive_table%20where%20db.name%3D%22default%22%20select%20count()%20as%20%27count%27'
| python -m json.tool
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   537    0   537    0     0    339      0 --:--:--  0:00:01 --:--:--   339
{
    "count": 1,
    "dataType": {
        "attributeDefinitions": [
            {
                "dataTypeName": "long",
                "isComposite": false,
                "isIndexable": false,
                "isUnique": false,
                "multiplicity": {
                    "isUnique": false,
                    "lower": 0,
                    "upper": 1
                },
                "name": "count",
                "reverseAttributeName": null
            }
        ],
        "typeDescription": null,
        "typeName": "__tempQueryResultStruct286",
        "typeVersion": "1.0"
    },
    "query": "hive_table where db.name=\"default\" select count() as 'count'",
    "queryType": "dsl",
    "requestId": "pool-2-thread-9 - 47389e3f-bbf1-4209-8e50-8a3235a7e5a9",
    "results": [
        {
            "$typeName$": "__tempQueryResultStruct286",
            "count": 68
        }
    ]
}
{noformat}

v2 DSL search query does not
{noformat}
curl -u admin:admin 'http://ctr-e133-1493418528701-113468-01-000002.hwx.site:21000/api/atlas/v2/search/dsl?limit=25&excludeDeletedEntities=true&query=where+db.name%3D%22default%22+select+count()+as+%27count%27&typeName=hive_table&_=1497434602692'
| python -m json.tool
{
    "queryText": "`hive_table` where db.name=\"default\" select count() as 'count'",
    "queryType": "DSL"
}
{noformat}

*From the initial analysis, it seems like, V2 API response does not have the count attribute
which is cause for this failure.* might want to consider adding the count in V2?



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