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From "Timo Walther (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-3086) ExpressionParser does not support concatenation of suffix operations
Date Thu, 26 Nov 2015 19:24:11 GMT
Timo Walther created FLINK-3086:
-----------------------------------

             Summary: 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


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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