cloud-fan commented on a change in pull request #28892:
URL: https://github.com/apache/spark/pull/28892#discussion_r443959870
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala
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@@ -203,20 +203,10 @@ object DateTimeUtils {
Math.multiplyExact(millis, MICROS_PER_MILLIS)
}
+ private final val gmtUtf8 = UTF8String.fromString("GMT")
// The method is called by JSON/CSV parser to clean up the legacy timestamp
string by removing
- // the "GMT" string.
- def cleanLegacyTimestampStr(s: String): String = {
- val indexOfGMT = s.indexOf("GMT")
- if (indexOfGMT != -1) {
- // ISO8601 with a weird time zone specifier (2000-01-01T00:00GMT+01:00)
- val s0 = s.substring(0, indexOfGMT)
- val s1 = s.substring(indexOfGMT + 3)
- // Mapped to 2000-01-01T00:00+01:00
- s0 + s1
- } else {
- s
- }
- }
+ // the "GMT" string. For example, it returns 2000-01-01T00:00+01:00 for
2000-01-01T00:00GMT+01:00.
+ def cleanLegacyTimestampStr(s: UTF8String): UTF8String = s.replace(gmtUtf8,
UTF8String.EMPTY_UTF8)
Review comment:
doesn't the `java.lang.String` have the `replace` method?
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