[jira] [Created] (SPARK-12577) better support of parentheses in partition by and order by clause of window function's over clause

["Reynold Xin (JIRA)" <ji...@apache.org>]

Reynold Xin created SPARK-12577:
-----------------------------------

             Summary: better support of parentheses in partition by and order by clause of window function's over clause
                 Key: SPARK-12577
                 URL: https://issues.apache.org/jira/browse/SPARK-12577
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
            Reporter: Reynold Xin


Right now, Hive's parser support
{code}
-- PASS
SELECT SUM(1) OVER (PARTITION BY a + 1 - b * c / d FROM src;
SELECT SUM(1) OVER (PARTITION BY (a + 1 - b * c / d) FROM src;
{code}

But, the following one is not accepted
{code}
-- FAIL
SELECT SUM(1) OVER (PARTITION BY (a) + 1 - b * c / d) FROM src;
{code}

We should fix it in our own parser.




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