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From "Deneche A. Hakim (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2206) Error message must be updated when querying a JSON file with arrays in first level
Date Fri, 15 May 2015 20:20:59 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14546120#comment-14546120
] 

Deneche A. Hakim commented on DRILL-2206:
-----------------------------------------

error message changes in 1.0.0 but it still needs to be improved:
{noformat}
0: jdbc:drill:zk=local> select count(*) from dfs.data.`2206.json`;
Error: DATA_READ ERROR: Error parsing JSON - Cannot read from the middle of a record. Current
token was START_ARRAY

File  /root/data/2206.json
Record  1
Fragment 0:0

[Error Id: a178c6c6-7208-4708-8786-f1db368d984a on abdel-11.qa.lab:31010] (state=,code=0)
{noformat}

> Error message must be updated when querying a JSON file with arrays in first level
> ----------------------------------------------------------------------------------
>
>                 Key: DRILL-2206
>                 URL: https://issues.apache.org/jira/browse/DRILL-2206
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - JSON
>            Reporter: Abhishek Girish
>            Assignee: Deneche A. Hakim
>            Priority: Minor
>             Fix For: 1.2.0
>
>
> Structure of the file:
> {code}
> [
>   {
>     "key": "value",
>     ...
>   },
>   {
>    ...
>   }
> ]
> {code}
> *Valid Error Message:*
> {code:sql}
> > select * from `file.json`;
> Query failed: Query stopped., Drill doesn't support objects whose first level is a scalar
or array.  Objects must start as maps. [ 1dc6dfc2-77ed-4a22-8ef0-e5a31c24f6fb on abhi8.qa.lab:31010
]
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}
> *Error message to be updated:*
> {code:sql}
> > select count(*) from `file.json`;
> +------------+
> |   EXPR$0   |
> +------------+
> Query failed: RemoteRpcException: Failure while running fragment., You tried to do a
batch data read operation when you were in a state of STOP.  You can only do this type of
operation when you are in a state of OK or OK_NEW_SCHEMA. [ 08135c32-fbb8-445e-8c0e-05292e6613e2
on abhi8.qa.lab:31010 ]
> [ 08135c32-fbb8-445e-8c0e-05292e6613e2 on abhi8.qa.lab:31010 ]
> java.lang.RuntimeException: java.sql.SQLException: Failure while executing query.
> 	at sqlline.SqlLine$IncrementalRows.hasNext(SqlLine.java:2514)
> 	at sqlline.SqlLine$TableOutputFormat.print(SqlLine.java:2148)
> 	at sqlline.SqlLine.print(SqlLine.java:1809)
> 	at sqlline.SqlLine$Commands.execute(SqlLine.java:3766)
> 	at sqlline.SqlLine$Commands.sql(SqlLine.java:3663)
> 	at sqlline.SqlLine.dispatch(SqlLine.java:889)
> 	at sqlline.SqlLine.begin(SqlLine.java:763)
> 	at sqlline.SqlLine.start(SqlLine.java:498)
> 	at sqlline.SqlLine.main(SqlLine.java:460)
> {code}



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