dongjoon-hyun commented on a change in pull request #25408: [SPARK-28687][SQL]
Support `epoch`, `isoyear`, `milliseconds` and `microseconds` at `extract()`
URL: https://github.com/apache/spark/pull/25408#discussion_r312747087
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala
##########
@@ -455,6 +456,22 @@ object DateTimeUtils {
(MICROSECONDS.toSeconds(localTimestamp(microsec, timeZone)) % 60).toInt
}
+ /**
+ * Returns seconds, including fractional parts, multiplied by 1 000. The
timestamp
+ * is expressed in microseconds since the epoch.
+ */
+ def getMilliseconds(timestamp: SQLTimestamp, timeZone: TimeZone): Int = {
+ getMicroseconds(timestamp, timeZone) / MICROS_PER_MILLIS.toInt
+ }
+
+ /**
+ * Returns seconds, including fractional parts, multiplied by 1 000 000. The
timestamp
Review comment:
`1 000 000` -> `1000000`.
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