[ 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) -- This message was sent by Atlassian JIRA (v6.3.4#6332)