HyukjinKwon commented on a change in pull request #35502:
URL: https://github.com/apache/spark/pull/35502#discussion_r808587811
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
##########
@@ -3057,3 +3057,87 @@ case class ConvertTimezone(
copy(sourceTz = newFirst, targetTz = newSecond, sourceTs = newThird)
}
}
+
+// scalastyle:off line.size.limit
+@ExpressionDescription(
+ usage = "_FUNC_(unit, interval, timestamp) - Adds the specified number of
units to the given timestamp.",
+ arguments = """
+ Arguments:
+ * unit - this indicates the units of datetime that you want to add.
+ Supported string values of `unit` are (case insensitive):
+ - "YEAR", "SQL_TSI_YEAR"
+ - "QUARTER", "SQL_TSI_QUARTER" - 3 months
+ - "MONTH", "SQL_TSI_MONTH"
+ - "WEEK", "SQL_TSI_WEEK" - 7 days
+ - "DAY", "DAYOFYEAR", "SQL_TSI_DAY", "SQL_TSI_DAYOFYEAR"
+ - "HOUR", "SQL_TSI_HOUR"
+ - "MINUTE", "SQL_TSI_MINUTE"
+ - "SECOND", "SQL_TSI_SECOND"
+ - "MILLISECOND", "SQL_TSI_FRAC_SECOND" - milliseconds
+ - "MICROSECOND"
+ * interval - this is the number of units of time that you want to add.
+ * timestamp - This is a timestamp (w/ or w/o timezone) to which you want
to add.
Review comment:
nit ...
```suggestion
* timestamp - this is a timestamp (w/ or w/o timezone) to which you
want to add.
```
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