fn date_bin_timestamp_tz(
stride: Interval,
source: CheckedTimestamp<DateTime<Utc>>,
) -> Result<CheckedTimestamp<DateTime<Utc>>, EvalError>fn date_bin_timestamp_tz(
stride: Interval,
source: CheckedTimestamp<DateTime<Utc>>,
) -> Result<CheckedTimestamp<DateTime<Utc>>, EvalError>