postgres_types/
geo_types_07.rs

1use bytes::BytesMut;
2use fallible_iterator::FallibleIterator;
3use geo_types_0_7::{Coord, LineString, Point, Rect};
4use postgres_protocol::types;
5use std::error::Error;
6
7use crate::{FromSql, IsNull, ToSql, Type};
8
9impl<'a> FromSql<'a> for Point<f64> {
10    fn from_sql(_: &Type, raw: &[u8]) -> Result<Self, Box<dyn Error + Sync + Send>> {
11        let point = types::point_from_sql(raw)?;
12        Ok(Point::new(point.x(), point.y()))
13    }
14
15    accepts!(POINT);
16}
17
18impl ToSql for Point<f64> {
19    fn to_sql(&self, _: &Type, out: &mut BytesMut) -> Result<IsNull, Box<dyn Error + Sync + Send>> {
20        types::point_to_sql(self.x(), self.y(), out);
21        Ok(IsNull::No)
22    }
23
24    accepts!(POINT);
25    to_sql_checked!();
26}
27
28impl<'a> FromSql<'a> for Rect<f64> {
29    fn from_sql(_: &Type, raw: &[u8]) -> Result<Self, Box<dyn Error + Sync + Send>> {
30        let rect = types::box_from_sql(raw)?;
31        Ok(Rect::new(
32            (rect.lower_left().x(), rect.lower_left().y()),
33            (rect.upper_right().x(), rect.upper_right().y()),
34        ))
35    }
36
37    accepts!(BOX);
38}
39
40impl ToSql for Rect<f64> {
41    fn to_sql(&self, _: &Type, out: &mut BytesMut) -> Result<IsNull, Box<dyn Error + Sync + Send>> {
42        types::box_to_sql(self.min().x, self.min().y, self.max().x, self.max().y, out);
43        Ok(IsNull::No)
44    }
45
46    accepts!(BOX);
47    to_sql_checked!();
48}
49
50impl<'a> FromSql<'a> for LineString<f64> {
51    fn from_sql(_: &Type, raw: &[u8]) -> Result<Self, Box<dyn Error + Sync + Send>> {
52        let path = types::path_from_sql(raw)?;
53        let points = path
54            .points()
55            .map(|p| Ok(Coord { x: p.x(), y: p.y() }))
56            .collect()?;
57        Ok(LineString(points))
58    }
59
60    accepts!(PATH);
61}
62
63impl ToSql for LineString<f64> {
64    fn to_sql(&self, _: &Type, out: &mut BytesMut) -> Result<IsNull, Box<dyn Error + Sync + Send>> {
65        let closed = false; // always encode an open path from LineString
66        types::path_to_sql(closed, self.0.iter().map(|p| (p.x, p.y)), out)?;
67        Ok(IsNull::No)
68    }
69
70    accepts!(PATH);
71    to_sql_checked!();
72}
postgres_types/geo_types_07.rs

postgres_types/
geo_types_07.rs
