[TAJO-245] org.apache.tajo.algebra.FunctionExpr cannot be cast to org.apache.tajo.algebra.ColumnReferenceExpr

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.2-incubating
• Assignee: Hyunsik Choi
• Reporter: Seungun Choe
• Created: 13/Oct/13 06:31
• Updated: 13/Oct/13 15:09
• Resolved: 13/Oct/13 14:50

Description

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';

error msg

org.apache.tajo.algebra.FunctionExpr cannot be cast to org.apache.tajo.algebra.ColumnReferenceExpr