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From "Timo Walther (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (FLINK-3086) ExpressionParser does not support concatenation of suffix operations
Date Thu, 14 Apr 2016 13:57:25 GMT

     [ https://issues.apache.org/jira/browse/FLINK-3086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timo Walther reassigned FLINK-3086:
-----------------------------------

    Assignee: Timo Walther

> ExpressionParser does not support concatenation of suffix operations
> --------------------------------------------------------------------
>
>                 Key: FLINK-3086
>                 URL: https://issues.apache.org/jira/browse/FLINK-3086
>             Project: Flink
>          Issue Type: Bug
>          Components: Table API
>            Reporter: Timo Walther
>            Assignee: Timo Walther
>
> The ExpressionParser of the Table API does not support concatenation of suffix operations.
e.g. {code}table.select("field.cast(STRING).substring(2)"){code} throws  an exception.
> {code}
> org.apache.flink.api.table.ExpressionException: Could not parse expression: string matching
regex `\z' expected but `.' found
> 	at org.apache.flink.api.table.parser.ExpressionParser$.parseExpressionList(ExpressionParser.scala:224)
> {code}
> However, the Scala implicit Table Expression API supports this.



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