Alex Angelini created SPARK-9794:
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             Summary: ISO DateTime parser is too strict
                 Key: SPARK-9794
                 URL: https://issues.apache.org/jira/browse/SPARK-9794
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.5.0
            Reporter: Alex Angelini


The DateTime parser requires 3 millisecond digits, but that is not part of the 
official ISO8601 spec.

https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala#L132

https://en.wikipedia.org/wiki/ISO_8601

This results in the following exception when trying to parse datetime columns

{code}
java.text.ParseException: Unparseable date: "0001-01-01T00:00:00GMT-00:00"
{code}

[~joshrosen] [~rxin]



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