[jira] [Created] (DRILL-3960) LEAD, LAG and NTILE should fail if ORDER BY clause is not present

[Deneche A. Hakim (JIRA)]

Deneche A. Hakim created DRILL-3960:
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             Summary: LEAD, LAG and NTILE should fail if ORDER BY clause is not 
present
                 Key: DRILL-3960
                 URL: https://issues.apache.org/jira/browse/DRILL-3960
             Project: Apache Drill
          Issue Type: Bug
          Components: SQL Parser
    Affects Versions: 1.2.0
            Reporter: Deneche A. Hakim


According to the SQL specification, LEAD, LAG and NTILE window functions 
require an ORDER BY clause in the window definition. Drill should throw an 
error if these window functions are used without an ORDER BY.



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