[jira] [Commented] (FLINK-2118) Table API fails on composite filter conditions

["Renkai Ge (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-2118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15427893#comment-15427893 ] 

Renkai Ge commented on FLINK-2118:
----------------------------------

[~sahitya.pavurala] ! have a higher precedence than && by scala specific 
http://scala-lang.org/files/archive/spec/2.11/06-expressions.html#infix-operations


> Table API fails on composite filter conditions
> ----------------------------------------------
>
>                 Key: FLINK-2118
>                 URL: https://issues.apache.org/jira/browse/FLINK-2118
>             Project: Flink
>          Issue Type: Bug
>          Components: Table API & SQL
>    Affects Versions: 0.9
>            Reporter: Fabian Hueske
>
> Having a composite filter conditions such as 
> {code}
> myTable.filter('name !== "Pete" && 'name !== "Bob")
> {code}
> fails with the following error message:
> {code}
> ExpressionException: Non-boolean operand types String and String in Pete && 'name
> {code}
> whereas 
> {code}
> myTable.filter( ('name !== "Pete") && ('name !== "Bob") )
> {code}
> works.



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