sqlm-postgres 0.1.0

`sql!` macro to write compile-time checked database queries similar to how `format!` works
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136

use std::marker::PhantomData;

use crate::types::Bytea;
use crate::SqlType;

pub struct Valid<'a, B: 'a + ?Sized, O = B>(PhantomData<(&'a B, O)>);

impl<'a, T> From<&'a T> for Valid<'a, T, T> {
    fn from(_: &'a T) -> Self {
        Self(PhantomData)
    }
}

impl<'a, T> From<T> for Valid<'a, T, T> {
    fn from(_: T) -> Self {
        Self(PhantomData)
    }
}

impl<'a, T> From<Option<&'a T>> for Valid<'a, T, T> {
    fn from(_: Option<&'a T>) -> Self {
        Self(PhantomData)
    }
}

impl<'a, T> From<Option<T>> for Valid<'a, T, T> {
    fn from(_: Option<T>) -> Self {
        Self(PhantomData)
    }
}

impl<'a> From<&'a str> for Valid<'a, str, String> {
    fn from(_: &'a str) -> Self {
        Self(PhantomData)
    }
}

impl<'a> From<String> for Valid<'a, str, String> {
    fn from(_: String) -> Self {
        Self(PhantomData)
    }
}

impl<'a> From<Option<&'a str>> for Valid<'a, str, String> {
    fn from(_: Option<&'a str>) -> Self {
        Self(PhantomData)
    }
}

impl<'a> From<Option<String>> for Valid<'a, str, String> {
    fn from(_: Option<String>) -> Self {
        Self(PhantomData)
    }
}

impl<'a, T> From<&'a [T]> for Valid<'a, [T], Vec<T>> {
    fn from(_: &'a [T]) -> Self {
        Self(PhantomData)
    }
}

impl<'a, T> From<T> for Valid<'a, [T], Vec<T>> {
    fn from(_: T) -> Self {
        Self(PhantomData)
    }
}

impl<'a, T> From<Vec<T>> for Valid<'a, [T], Vec<T>> {
    fn from(_: Vec<T>) -> Self {
        Self(PhantomData)
    }
}

impl<'a, T> From<Option<&'a [T]>> for Valid<'a, [T], Vec<T>> {
    fn from(_: Option<&'a [T]>) -> Self {
        Self(PhantomData)
    }
}

impl<'a, T> From<Option<Vec<T>>> for Valid<'a, [T], Vec<T>> {
    fn from(_: Option<Vec<T>>) -> Self {
        Self(PhantomData)
    }
}

impl<'a> From<i32> for Valid<'a, i64> {
    fn from(_: i32) -> Self {
        Self(PhantomData)
    }
}

impl<'a> From<Vec<u8>> for Valid<'a, Bytea> {
    fn from(_: Vec<u8>) -> Self {
        Self(PhantomData)
    }
}

impl<'a> From<Vec<Vec<u8>>> for Valid<'a, [Bytea], Vec<Bytea>> {
    fn from(_: Vec<Vec<u8>>) -> Self {
        Self(PhantomData)
    }
}

pub trait AsSqlType {
    type SqlType;
}

impl<T> AsSqlType for T
where
    T: SqlType,
{
    type SqlType = T::Type;
}

impl<T> AsSqlType for Option<T>
where
    T: SqlType,
{
    type SqlType = T::Type;
}

impl<T> AsSqlType for Vec<T>
where
    T: SqlType,
{
    type SqlType = Vec<T::Type>;
}

// BYTEA
impl AsSqlType for Vec<u8> {
    type SqlType = Bytea;
}

impl AsSqlType for Vec<Vec<u8>> {
    type SqlType = Self;
}