MaxGekk commented on a change in pull request #23358: [SPARK-26424][SQL] Use
java.time API in date/timestamp expressions
URL: https://github.com/apache/spark/pull/23358#discussion_r243704514
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeFormatterHelper.scala
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@@ -17,27 +17,36 @@
package org.apache.spark.sql.catalyst.util
-import java.time.{Instant, LocalDateTime, ZonedDateTime, ZoneId}
-import java.time.format.{DateTimeFormatter, DateTimeFormatterBuilder}
-import java.time.temporal.{ChronoField, TemporalAccessor}
+import java.time._
+import java.time.chrono.IsoChronology
+import java.time.format.{DateTimeFormatter, DateTimeFormatterBuilder,
ResolverStyle}
+import java.time.temporal.{ChronoField, TemporalAccessor, TemporalQueries}
import java.util.Locale
trait DateTimeFormatterHelper {
protected def buildFormatter(pattern: String, locale: Locale):
DateTimeFormatter = {
new DateTimeFormatterBuilder()
+ .parseCaseInsensitive()
.appendPattern(pattern)
- .parseDefaulting(ChronoField.YEAR_OF_ERA, 1970)
Review comment:
Year must always present in timestamps/dates.
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