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From "Khurram Faraaz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-3243) Need a better error message - Use of alias in window function definition
Date Mon, 01 Jun 2015 22:00:20 GMT
Khurram Faraaz created DRILL-3243:
-------------------------------------

             Summary: Need a better error message - Use of alias in window function definition
                 Key: DRILL-3243
                 URL: https://issues.apache.org/jira/browse/DRILL-3243
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Flow
    Affects Versions: 1.0.0
            Reporter: Khurram Faraaz
            Assignee: Chris Westin


Need a better error message when we use alias for window definition in query that uses window
functions. for example, OVER(PARTITION BY columns[0] ORDER BY columns[1]) tmp, and if alias
"tmp" is used in the predicate we need a message that says, column "tmp" does not exist, that
is how it is in Postgres 9.3

Postgres 9.3

{code}
postgres=# select count(*) OVER(partition by type order by id) `tmp` from airports where tmp
is not null;
ERROR:  column "tmp" does not exist
LINE 1: ...ect count(*) OVER(partition by type order by id) `tmp` from ...
                                                             ^
{code}

Drill 1.0
{code}
0: jdbc:drill:schema=dfs.tmp> select count(*) OVER(partition by columns[2] order by columns[0])
tmp from `airports.csv` where tmp is not null;
Error: SYSTEM ERROR: java.lang.IllegalArgumentException: Selected column(s) must have name
'columns' or must be plain '*'

Fragment 0:0

[Error Id: 66987b81-fe50-422d-95e4-9ce61c873584 on centos-02.qa.lab:31010] (state=,code=0)
{code}



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