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Posted to issues@drill.apache.org by "Subhash Gopinath (JIRA)" <ji...@apache.org> on 2015/01/29 19:55:35 UTC
[jira] [Updated] (DRILL-1938) Fix error message when reserved words
are used in query.
[ 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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