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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (TAJO-245) org.apache.tajo.algebra.FunctionExpr cannot be cast to org.apache.tajo.algebra.ColumnReferenceExpr
Date Sun, 13 Oct 2013 06:54:43 GMT

     [ https://issues.apache.org/jira/browse/TAJO-245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hyunsik Choi updated TAJO-245:
------------------------------

    Summary: org.apache.tajo.algebra.FunctionExpr cannot be cast to org.apache.tajo.algebra.ColumnReferenceExpr
 (was: 'org.apache.tajo.algebra.FunctionExpr cannot be cast to org.apache.tajo.algebra.ColumnReferenceExpr')

> org.apache.tajo.algebra.FunctionExpr cannot be cast to org.apache.tajo.algebra.ColumnReferenceExpr
> --------------------------------------------------------------------------------------------------
>
>                 Key: TAJO-245
>                 URL: https://issues.apache.org/jira/browse/TAJO-245
>             Project: Tajo
>          Issue Type: Bug
>            Reporter: Seungun Choe
>
> {code}
> SELECT
>                 col1, col2, col3, 
>                 CASE
>                   WHEN split_part(split_part(col4,'id=', 2), '&', 1) IS NOT NULL
THEN ''
>                   ELSE
>                     CASE
>                       WHEN col4 like '/%' THEN split_part(col4,'/', 2)
>                       ELSE split_part(col4,'/', 1)
>                     END
>                 END AS col4, split_part(split_part(col4,'id=', 2), '&', 1) AS id
>         FROM table1
>         WHERE tmp='asdf';
> {code}
> error msg
> {code}
> org.apache.tajo.algebra.FunctionExpr cannot be cast to org.apache.tajo.algebra.ColumnReferenceExpr
> {code}



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