gengliangwang commented on a change in pull request #32846:
URL: https://github.com/apache/spark/pull/32846#discussion_r648467906
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File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/CastSuite.scala
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@@ -1711,6 +1708,17 @@ class CastSuite extends CastSuiteBase {
}
}
+ test("SPARK-35698: cast timestamp without time zone to string") {
+ Seq(
+ "0001-01-01 00:00:00", // the fist timestamp of Common Era
+ "1582-10-15 23:59:59", // the cutover date from Julian to Gregorian
calendar
+ "1970-01-01 00:00:00", // the epoch timestamp
+ "9999-12-31 23:59:59" // the last supported timestamp according to SQL
standard
+ ).foreach { s =>
+ checkEvaluation(cast(LocalDateTime.parse(s.replace(" ", "T")),
StringType), s)
Review comment:
well, the result won't contain the "T", so we have to replace one of
them eventually.
The test inputs are from
https://github.com/apache/spark/blob/master/sql/catalyst/src/test/scala/org/apache/spark/sql/RandomDataGenerator.scala#L156
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