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From "Chris Westin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-3126) "SELECT `VARCHAR`('x') " yields internal ("SYSTEM ERROR") error
Date Wed, 01 Jul 2015 21:53:04 GMT

     [ https://issues.apache.org/jira/browse/DRILL-3126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Westin updated DRILL-3126:
--------------------------------
    Component/s: Functions - Drill

> "SELECT `VARCHAR`('x') " yields internal ("SYSTEM ERROR") error
> ---------------------------------------------------------------
>
>                 Key: DRILL-3126
>                 URL: https://issues.apache.org/jira/browse/DRILL-3126
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Functions - Drill
>            Reporter: Daniel Barclay (Drill)
>
> Trying to call an unknown function usually results in an error message like that in the
following:
> {noformat}
> 0: jdbc:drill:zk=local> SELECT NoSuchFunction('x') FROM INFORMATION_SCHEMA.CATALOGS;
> May 17, 2015 9:15:13 PM org.apache.calcite.sql.validate.SqlValidatorException <init>
> SEVERE: org.apache.calcite.sql.validate.SqlValidatorException: No match found for function
signature NoSuchFunction(<CHARACTER>)
> May 17, 2015 9:15:13 PM org.apache.calcite.runtime.CalciteException <init>
> SEVERE: org.apache.calcite.runtime.CalciteContextException: From line 1, column 8 to
line 1, column 26: No match found for function signature NoSuchFunction(<CHARACTER>)
> Error: PARSE ERROR: From line 1, column 8 to line 1, column 26: No match found for function
signature NoSuchFunction(<CHARACTER>)
> {noformat}
> However, trying to use a data type name in such a function call yields an internal error:
> {noformat}
> [Error Id: 0439d30c-8cdb-4eda-a253-17bf5afc468b on dev-linux2:31010] (state=,code=0)
> 0: jdbc:drill:zk=local> SELECT `VARCHAR`('x') FROM INFORMATION_SCHEMA.CATALOGS;
> Error: SYSTEM ERROR: org.apache.drill.exec.exception.SchemaChangeException: Failure while
trying to materialize incoming schema.  Errors:
>  
> Error in expression at index -1.  Error: Missing function implementation: [varchar(VARCHAR-REQUIRED)].
 Full expression: --UNKNOWN EXPRESSION--..
> Fragment 0:0
> [Error Id: 3f20c811-a81f-41ad-9dc7-362456754eaf on dev-linux2:31010] (state=,code=0)
> 0: jdbc:drill:zk=local> 
> {noformat}



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