1use crate::fmt::Fmt;
2use crate::idiom::Idiom;
3use revision::revisioned;
4use serde::{Deserialize, Serialize};
5use std::fmt;
6use std::ops::Deref;
7
8#[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Serialize, Deserialize, Hash)]
9#[revisioned(revision = 1)]
10pub struct Orders(pub Vec<Order>);
11
12impl Deref for Orders {
13 type Target = Vec<Order>;
14 fn deref(&self) -> &Self::Target {
15 &self.0
16 }
17}
18
19impl IntoIterator for Orders {
20 type Item = Order;
21 type IntoIter = std::vec::IntoIter<Self::Item>;
22 fn into_iter(self) -> Self::IntoIter {
23 self.0.into_iter()
24 }
25}
26
27impl fmt::Display for Orders {
28 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
29 write!(f, "ORDER BY {}", Fmt::comma_separated(&self.0))
30 }
31}
32
33#[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Serialize, Deserialize, Hash)]
34#[revisioned(revision = 1)]
35pub struct Order {
36 pub order: Idiom,
37 pub random: bool,
38 pub collate: bool,
39 pub numeric: bool,
40 pub direction: bool,
41}
42
43impl Deref for Order {
44 type Target = Idiom;
45 fn deref(&self) -> &Self::Target {
46 &self.order
47 }
48}
49
50impl fmt::Display for Order {
51 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
52 write!(f, "{}", self.order)?;
53 if self.random {
54 write!(f, "RAND()")?;
55 }
56 if self.collate {
57 write!(f, " COLLATE")?;
58 }
59 if self.numeric {
60 write!(f, " NUMERIC")?;
61 }
62 match self.direction {
63 false => write!(f, " DESC")?,
64 true => (),
65 };
66 Ok(())
67 }
68}