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https://issues.apache.org/jira/browse/HIVE-9992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Pivovarov resolved HIVE-9992.
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Resolution: Not a Problem
I checked MySQL doc again. Bitwise XOR ^ has higher precedence than -/+ in
MySQL.
http://dev.mysql.com/doc/refman/5.0/en/operator-precedence.html
Hive implemented similar way.
> Operator Precedence is incorrect. bitwise XOR should be after minus/plus
> ------------------------------------------------------------------------
>
> Key: HIVE-9992
> URL: https://issues.apache.org/jira/browse/HIVE-9992
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 1.2.0
> Reporter: Alexander Pivovarov
> Assignee: Alexander Pivovarov
>
> bitwise XOR ^ has higher precedence than -/+ in hive
> But in java bitwise XOR has lower precedence
> http://docs.oracle.com/javase/tutorial/java/nutsandbolts/operators.html
> {code}
> // now
> select 4 - 2 ^ 8 - 7;
> -13
> // should be
> select 4 - 2 ^ 8 - 7;
> 3
> {code}
> need to fix
> IdentifiersParser.g BITWISEXOR
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