yaooqinn commented on a change in pull request #28313:
URL: https://github.com/apache/spark/pull/28313#discussion_r413955942
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
##########
@@ -1674,9 +1676,21 @@ case class TruncDate(date: Expression, format:
Expression)
@ExpressionDescription(
usage = """
_FUNC_(fmt, ts) - Returns timestamp `ts` truncated to the unit specified
by the format model `fmt`.
- `fmt` should be one of ["MILLENNIUM", "CENTURY", "DECADE", "YEAR", "YYYY",
"YY",
- "QUARTER", "MON", "MONTH", "MM", "WEEK", "DAY",
"DD",
- "HOUR", "MINUTE", "SECOND", "MILLISECOND",
"MICROSECOND"]
+ """,
+ arguments = """
+ Arguments:
+ * fmt - the format representing the unit to be truncated to
+ - "YEAR", "YYYY", "YY"
Review comment:
yea, updated
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