uros-db commented on code in PR #51826:
URL: https://github.com/apache/spark/pull/51826#discussion_r2282225284
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sql/api/src/main/scala/org/apache/spark/sql/functions.scala:
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@@ -6292,6 +6292,29 @@ object functions {
def timestamp_add(unit: String, quantity: Column, ts: Column): Column =
Column.internalFn("timestampadd", lit(unit), quantity, ts)
+ /**
+ * Returns the difference between two times, measured in specified units.
+ *
+ * @param unit
+ * A STRING representing the unit of the time difference. Supported units
are: "HOUR",
+ * "MINUTE", "SECOND", "MILLISECOND", and "MICROSECOND". The unit is
case-insensitive.
+ * @param start
+ * A starting TIME.
+ * @param end
+ * An ending TIME.
+ * @return
+ * The difference between two times, measured in specified units.
Review Comment:
Updated.
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