[jira] [Created] (SPARK-1608) Cast.nullable should be true when cast from StringType to NumericType/TimestampType

[Takuya Ueshin (JIRA)]

Takuya Ueshin created SPARK-1608:
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             Summary: Cast.nullable should be true when cast from StringType to 
NumericType/TimestampType
                 Key: SPARK-1608
                 URL: https://issues.apache.org/jira/browse/SPARK-1608
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Takuya Ueshin


Cast.nullable should be true when cast from StringType to NumericType or 
TimestampType.
Because if StringType expression has an illegal number string or illegal 
timestamp string, the casted value becomes null.



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