cartel-pg 0.23.0

Async PostgreSQL driver for the dope runtime
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

use crate::{
    protocol::encode::{Position, Scope},
    schema::result,
};
use o3::buffer::write::consume;
use std::num::NonZero;

#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum Error {
    FrameLength {
        actual: usize,
    },
    LengthOverflow {
        scope: Scope,
        current: usize,
        additional: usize,
    },
    ValueLength {
        actual: usize,
    },
    ParseTypes {
        actual: usize,
    },
    ParameterFormats {
        actual: usize,
    },
    ResultFormats {
        actual: usize,
    },
    ParameterCount {
        declared: i16,
        types: usize,
    },
    ParameterValueCount {
        expected: usize,
        actual: usize,
    },
    ParameterOid {
        index: usize,
        expected: u32,
        actual: u32,
    },
    ParameterEncoding {
        index: usize,
        expected: u16,
        actual: u16,
    },
    ResultCount {
        declared: u16,
    },
    ResultShape {
        kind: result::Kind,
        columns: u16,
    },
    ParameterFormatCount {
        actual: usize,
        expected: usize,
    },
    ResultFormatCount {
        actual: usize,
        expected: usize,
    },
    ParameterFormat {
        index: usize,
        actual: u16,
    },
    ResultFormat {
        index: usize,
        actual: u16,
    },
    ResultValueCount {
        expected: usize,
        actual: usize,
    },
    ResultEncoding {
        index: usize,
        expected: u16,
        actual: u16,
    },
    StatementNameNul {
        position: usize,
    },
    StatementNameEmpty,
    StatementNameReserved,
    StatementSqlNul {
        position: usize,
    },
    GroupCount {
        actual: usize,
    },
    StatementCount {
        current: u32,
        additional: usize,
    },
    DuplicateStatement {
        first: Position,
        second: Position,
    },
    PreparationSize {
        expected: usize,
        actual: usize,
    },
    ArrayElements {
        actual: usize,
    },
    Capacity {
        required: NonZero<usize>,
        capacity: usize,
    },
}

impl Error {
    pub(super) fn capacity(error: consume::Error) -> Self {
        let (required, capacity) = error.into_parts();
        Self::Capacity { required, capacity }
    }
}

const _: () = assert!(std::mem::size_of::<Error>() <= 3 * std::mem::size_of::<usize>());