viirya commented on code in PR #6654:
URL: https://github.com/apache/arrow-datafusion/pull/6654#discussion_r1227352646
##########
datafusion/physical-expr/src/datetime_expressions.rs:
##########
@@ -294,16 +294,24 @@ pub fn date_trunc(args: &[ColumnarValue]) ->
Result<ColumnarValue> {
}
"second" => {
// trunc to second
- let mill = ScalarValue::TimestampNanosecond(
Review Comment:
And the `signature` of `DateTrunc` should be updated, I think. Currently the
second argument is only `Timestamp(Nanosecond, None)`. But I guess that this
change wants to make output type as same as input type. So you probably want to
add more input types to `signature`.
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