cloud-fan commented on a change in pull request #27906: [SPARK-31150][SQL]
Parsing seconds fraction with variable length for timestamp
URL: https://github.com/apache/spark/pull/27906#discussion_r393111833
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/util/TimestampFormatterSuite.scala
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@@ -92,6 +94,27 @@ class TimestampFormatterSuite extends SparkFunSuite with
SQLHelper with Matchers
}
}
+ test("roundtrip micros -> timestamp -> micros using w/ w/o val-len seconds
fraction") {
+ Seq("yyyy-MM-dd'T'HH:mm:ss.SSSSSS",
"yyyy-MM-dd'T'HH:mm:ss.SSSSSSXXXXX").foreach { pattern =>
+ Seq(
+ -58710115316212000L,
+ -18926315945345679L,
+ -9463427405253013L,
+ -244000001L,
+ 0L,
+ 99628200102030L,
+ 1543749753123456L,
+ 2177456523456789L,
+ 11858049903010203L).foreach { micros =>
+ DateTimeTestUtils.outstandingZoneIds.foreach { zoneId =>
+ val timestamp = TimestampFormatter(pattern, zoneId,
false).format(micros)
Review comment:
This always outputs timestamp string with `0` padded at the end. Does it
test the var-length feature?
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