Weijun-H commented on code in PR #6654: URL: https://github.com/apache/arrow-datafusion/pull/6654#discussion_r1231370472
########## datafusion/physical-expr/src/datetime_expressions.rs: ########## @@ -282,54 +341,64 @@ pub fn date_trunc(args: &[ColumnarValue]) -> Result<ColumnarValue> { Ok(match array { ColumnarValue::Scalar(ScalarValue::TimestampNanosecond(v, tz_opt)) => { - let nano = (f)(*v)?; - match granularity.as_str() { - "minute" => { - // trunc to minute - let second = ScalarValue::TimestampNanosecond( - Some(nano.unwrap() / 1_000_000_000 * 1_000_000_000), - tz_opt.clone(), - ); - ColumnarValue::Scalar(second) + _date_trunc(TimeUnit::Nanosecond, v, granularity.as_str(), f, tz_opt)? + } + ColumnarValue::Scalar(ScalarValue::TimestampMicrosecond(v, tz_opt)) => { + _date_trunc(TimeUnit::Microsecond, v, granularity.as_str(), f, tz_opt)? + } + ColumnarValue::Scalar(ScalarValue::TimestampMillisecond(v, tz_opt)) => { + _date_trunc(TimeUnit::Millisecond, v, granularity.as_str(), f, tz_opt)? + } + ColumnarValue::Scalar(ScalarValue::TimestampSecond(v, tz_opt)) => { + _date_trunc(TimeUnit::Second, v, granularity.as_str(), f, tz_opt)? + } + ColumnarValue::Array(array) => { + let array_type = array.data_type(); Review Comment: I use `f` function pointer, which uses `granularity ` as parameter -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org