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From "Subhash Gopinath (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-1938) Fix error message when reserved words are used in query.
Date Thu, 29 Jan 2015 18:55:35 GMT

     [ https://issues.apache.org/jira/browse/DRILL-1938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Subhash Gopinath updated DRILL-1938:
------------------------------------
    Description: 
When reserved words are used in a query, the error message thrown should be more user-friendly.

0: jdbc:drill:zk=10.10.82.51:5181> select user from
dfs.`/mr_output/output-2015-01-06_10-43-40_parquet` LIMIT 10;

Query failed: Query stopped., Failure while trying to materialize
incoming schema.  Errors:

Error in expression at index -1.  Error: Missing function
implementation: [user()].  Full expression: --UNKNOWN EXPRESSION--.. [
79c75e68-ac33-47b4-b7d3-0d65e96c7357 on CentOS001:31010 ]


Error: exception while executing query: Failure while executing query.
(state=,code=0)

  was:
Selecting a column named 'user' throws an error. It might be because it is also a standard
function name.

0: jdbc:drill:zk=10.10.82.51:5181> select user from
dfs.`/mr_output/output-2015-01-06_10-43-40_parquet` LIMIT 10;

Query failed: Query stopped., Failure while trying to materialize
incoming schema.  Errors:

Error in expression at index -1.  Error: Missing function
implementation: [user()].  Full expression: --UNKNOWN EXPRESSION--.. [
79c75e68-ac33-47b4-b7d3-0d65e96c7357 on CentOS001:31010 ]


Error: exception while executing query: Failure while executing query.
(state=,code=0)

        Summary: Fix error message when reserved words are used in query.  (was: Select a
column named 'user' fails in Drill)

> Fix error message when reserved words are used in query.
> --------------------------------------------------------
>
>                 Key: DRILL-1938
>                 URL: https://issues.apache.org/jira/browse/DRILL-1938
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 0.7.0
>            Reporter: Subhash Gopinath
>            Assignee: Aman Sinha
>
> When reserved words are used in a query, the error message thrown should be more user-friendly.
> 0: jdbc:drill:zk=10.10.82.51:5181> select user from
> dfs.`/mr_output/output-2015-01-06_10-43-40_parquet` LIMIT 10;
> Query failed: Query stopped., Failure while trying to materialize
> incoming schema.  Errors:
> Error in expression at index -1.  Error: Missing function
> implementation: [user()].  Full expression: --UNKNOWN EXPRESSION--.. [
> 79c75e68-ac33-47b4-b7d3-0d65e96c7357 on CentOS001:31010 ]
> Error: exception while executing query: Failure while executing query.
> (state=,code=0)



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