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Posted to issues@drill.apache.org by "Parth Chandra (JIRA)" <ji...@apache.org> on 2015/04/21 22:01:58 UTC

[jira] [Updated] (DRILL-1151) JSON nested data returns empty for all rows except the first when using selections

     [ https://issues.apache.org/jira/browse/DRILL-1151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Parth Chandra updated DRILL-1151:
---------------------------------
    Component/s: Storage - JSON

> JSON nested data returns empty for all rows except the first when using selections
> ----------------------------------------------------------------------------------
>
>                 Key: DRILL-1151
>                 URL: https://issues.apache.org/jira/browse/DRILL-1151
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - JSON
>            Reporter: Norris Lee
>            Assignee: Jacques Nadeau
>            Priority: Critical
>             Fix For: 0.4.0
>
>         Attachments: DRILL-1151.patch
>
>
> Without the limit clause, everything gets returned:
> {code}
> 0: jdbc:drill:zk=localhost:5181> SELECT * FROM `dfs`.`optdrill`.`./raw-files/donuts/moredonuts.json`;
> +------------+------------+------------+------------+------------+------------+------------+------------+
> |     id     |    type    |    name    |    ppu     |   sales    |  batters   |  topping   |  filling   |
> +------------+------------+------------+------------+------------+------------+------------+------------+
> | 0001       | donut      | Cake       | 0.55       | 35         | {"batter":[{"id":"1001","type":"Regular"},{"id":"1002","type":"Chocolate"},{"id":"100 |
> | 0002       | donut      | Raised     | 0.69       | 145        | {"batter":[{"id":"1001","type":"Regular"}]} | [{"id":"5001","type":"None"},{"id":"500 |
> | 0003       | donut      | Old Fashioned | 0.55       | 300        | {"batter":[{"id":"1001","type":"Regular"},{"id":"1002","type":"Chocolate"}]} | [{" |
> | 0004       | donut      | Filled     | 0.69       | 14         | {"batter":[{"id":"1001","type":"Regular"},{"id":"1002","type":"Chocolate"},{"id":"100 |
> | 0005       | donut      | Apple Fritter | 1.0        | 700        | {"batter":[{"id":"1001","type":"Regular"}]} | [{"id":"5002","type":"Glazed"}] | [] |
> +------------+------------+------------+------------+------------+------------+------------+------------+
> 5 rows selected (0.785 seconds)
> {code}
> Using the limit clause, the batters column returns [] for rows 2-5:
> {code}
> dbc:drill:zk=localhost:5181> SELECT * FROM `dfs`.`optdrill`.`./raw-files/donuts/moredonuts.json` LIMIT 100;
> +------------+------------+------------+------------+------------+------------+------------+------------+
> |     id     |    type    |    name    |    ppu     |   sales    |  batters   |  topping   |  filling   |
> +------------+------------+------------+------------+------------+------------+------------+------------+
> | 0001       | donut      | Cake       | 0.55       | 35         | {"batter":[{"id":"1001","type":"Regular"},{"id":"1002","type":"Chocolate"},{"id":"100 |
> | 0002       | donut      | Raised     | 0.69       | 145        | {"batter":[]} | []         | []         |
> | 0003       | donut      | Old Fashioned | 0.55       | 300        | {"batter":[]} | []         | []         |
> | 0004       | donut      | Filled     | 0.69       | 14         | {"batter":[]} | []         | []         |
> | 0005       | donut      | Apple Fritter | 1.0        | 700        | {"batter":[]} | []         | []         |
> +------------+------------+------------+------------+------------+------------+------------+------------+
> 5 rows selected (0.543 seconds)
> {code}



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