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From "sunjincheng (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-6632) Fix parameter case sensitive error for test passing/rejecting filter API
Date Fri, 19 May 2017 03:59:04 GMT
sunjincheng created FLINK-6632:
----------------------------------

             Summary: Fix parameter case sensitive error for test passing/rejecting filter
API
                 Key: FLINK-6632
                 URL: https://issues.apache.org/jira/browse/FLINK-6632
             Project: Flink
          Issue Type: Sub-task
            Reporter: sunjincheng
            Assignee: sunjincheng


TableAPI {{testAllPassingFilter}}:
{code} 
   val t = util.addTable[(Int, Long, String)]('int, 'long, 'string)
    val resScala = t.filter(Literal(true)).select('int as 'myInt, 'string)
    val resJava = t.filter("TrUe").select("int as myInt, string")
{code}
We got error:
{code}
org.apache.flink.table.api.ValidationException: Cannot resolve [TrUe] given input [int, long,
string].
{code}
The error is caused by :
{code}
    lazy val boolLiteral: PackratParser[Expression] = ("true" | "false") ^^ {
    str => Literal(str.toBoolean)
  }
{code}
I want import the method as follow:
{code}
 lazy val boolLiteral: PackratParser[Expression] =
    ("(t|T)(r|R)(u|U)(e|E)".r | "(f|F)(a|A)(l|L)(s|S)(e|E)".r) ^^ { str => Literal(str.toBoolean)}
{code}
Is there any drawback to this improvement? Welcome anyone feedback ?



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