pgcopy 0.0.2

PostgreSQL binary COPY format generator
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

#[cfg(feature = "with-chrono")]
mod with_chrono {
    use std::io;

    use chrono::{NaiveDateTime, DateTime, TimeZone};
    use byteorder::{WriteBytesExt, NetworkEndian};

    use crate::types::{Timestamp, TimestampWithTimeZone};

    impl Timestamp for NaiveDateTime {
        fn to_writer<W: io::Write>(&self, writer: &mut W) -> io::Result<()> {
            // TODO: Move this big number to constant with an adequate name
            let us = (self.timestamp_nanos() / 1_000) - 946_684_800_000_000;

            writer.write_i32::<NetworkEndian>(8)?;
            writer.write_i64::<NetworkEndian>(us)
        }
    }

    impl<Tz: TimeZone> TimestampWithTimeZone for DateTime<Tz> {
        fn to_writer<W: io::Write>(&self, writer: &mut W) -> io::Result<()> {
            // TODO: Move this big number to constant with an adequate name
            let us = (self.naive_utc().timestamp_nanos() / 1_000) - 946_684_800_000_000;

            writer.write_i32::<NetworkEndian>(8)?;
            writer.write_i64::<NetworkEndian>(us)
        }

    }
}