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From "Hequn Cheng (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (FLINK-10463) Null literal cannot be properly parsed in Java Table API function call
Date Sat, 20 Oct 2018 05:25:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-10463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hequn Cheng reassigned FLINK-10463:
-----------------------------------

    Assignee: Hequn Cheng

> Null literal cannot be properly parsed in Java Table API function call
> ----------------------------------------------------------------------
>
>                 Key: FLINK-10463
>                 URL: https://issues.apache.org/jira/browse/FLINK-10463
>             Project: Flink
>          Issue Type: Bug
>          Components: Table API &amp; SQL
>            Reporter: Xingcan Cui
>            Assignee: Hequn Cheng
>            Priority: Major
>
> For example, the expression `Null(STRING).regexpReplace('oo|ar', '')` throws the following
exception.
> {code:java}
> org.apache.flink.table.api.ExpressionParserException: Could not parse expression at column
13: string matching regex `(?i)\Qas\E(?![_$\p{javaJavaIdentifierPart}])' expected but `.'
found
> Null(STRING).regexpReplace('oo|ar', '')
>             ^
> 	at org.apache.flink.table.expressions.ExpressionParser$.throwError(ExpressionParser.scala:576)
> 	at org.apache.flink.table.expressions.ExpressionParser$.parseExpression(ExpressionParser.scala:569)
> {code}



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