[GitHub] [pinot] Jackie-Jiang opened a new issue, #9104: Consider not performing alias rewrite to the rest of the query when alias is a column name

[GitBox <gi...@apache.org>]

Jackie-Jiang opened a new issue, #9104:
URL: https://github.com/apache/pinot/issues/9104

   E.g. `SELECT SUM(a) AS a WHERE a > 10` will throw exception because it will be rewritten to `SELECT SUM(a) AS a WHERE SUM(A) > 10`
   
   Also, seems alias is not allowed in `WHERE` clause in standard SQL: https://docs.oracle.com/cd/E17952_01/mysql-5.7-en/problems-with-alias.html.
   Not sure if we should block alias rewrite in `WHERE` clause because it can cause backward incompatible.


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[GitHub] [pinot] Jackie-Jiang commented on issue #9104: Consider not performing alias rewrite to the rest of the query when alias is a column name

[GitBox <gi...@apache.org>]

Jackie-Jiang commented on issue #9104:
URL: https://github.com/apache/pinot/issues/9104#issuecomment-1194849974

   cc @xiangfu0 for some input


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