Function parse_datetime_id_cursor 

pub fn parse_datetime_id_cursor(
    value: Option<DateTime<Utc>>,
    id: Option<i64>,
    value_name: &str,
) -> Result<Option<(DateTime<Utc>, i64)>>

Validates a timestamp plus numeric id cursor pair.

Errors

Returns an error when only one cursor component is present or the id is not positive.