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Posted to issues@flink.apache.org by "Timo Walther (JIRA)" <ji...@apache.org> on 2016/04/14 15:57:25 UTC
[jira] [Assigned] (FLINK-3086) ExpressionParser does not support
concatenation of suffix operations
[ 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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