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Posted to dev@drill.apache.org by "Steven Phillips (JIRA)" <ji...@apache.org> on 2015/05/09 22:57:00 UTC
[jira] [Resolved] (DRILL-2425) Wrong results when identifier change
cases within the same data file
[ https://issues.apache.org/jira/browse/DRILL-2425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Phillips resolved DRILL-2425.
------------------------------------
Resolution: Duplicate
> Wrong results when identifier change cases within the same data file
> --------------------------------------------------------------------
>
> Key: DRILL-2425
> URL: https://issues.apache.org/jira/browse/DRILL-2425
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Data Types
> Affects Versions: 0.8.0
> Reporter: Chun Chang
> Assignee: Steven Phillips
> Priority: Critical
> Fix For: 1.0.0
>
>
> #Fri Mar 06 16:51:10 EST 2015
> git.commit.id.abbrev=fb293ba
> I have the following JSON file that one of the identifier change cases:
> {code}
> [root@qa-node120 md-83]# hadoop fs -cat /drill/testdata/complex_type/json/schema/a.json
> {"SOURCE": "ebm","msAddressIpv6Array": null}
> {"SOURCE": "ebm","msAddressIpv6Array": {"msAddressIpv6_1":"99.111.222.0", "msAddressIpv6_2":"88.222.333.0"}}
> {"SOURCE": "ebm","msAddressIpv6Array": {"msAddressIpv6_1":"99.111.222.1", "msAddressIpv6_2":"88.222.333.1"}}
> {"SOURCE": "ebm","msAddressIpv6Array": {"msaddressipv6_1":"99.111.222.2", "msAddressIpv6_2":"88.222.333.2"}}
> {code}
> Query this file through drill gives wrong results:
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDirComplexJ> select t.msAddressIpv6Array.msAddressIpv6_1 as msAddressIpv6_1 from `schema/a.json` t;
> +-----------------+
> | msAddressIpv6_1 |
> +-----------------+
> | null |
> | null |
> | null |
> | 99.111.222.2 |
> +-----------------+
> {code}
> plan:
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDirComplexJ> explain plan for select t.msAddressIpv6Array.msAddressIpv6_1 as msAddressIpv6_1 from `schema/a.json` t;
> +------------+------------+
> | text | json |
> +------------+------------+
> | 00-00 Screen
> 00-01 Project(msAddressIpv6_1=[ITEM($0, 'msAddressIpv6_1')])
> 00-02 Scan(groupscan=[EasyGroupScan [selectionRoot=/drill/testdata/complex_type/json/schema/a.json, numFiles=1, columns=[`msAddressIpv6Array`.`msAddressIpv6_1`], files=[maprfs:/drill/testdata/complex_type/json/schema/a.json]]])
> {code}
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