taos_error/code/
mod.rs

1use std::fmt::{self, Debug, Display};
2
3use derive_more::{Deref, DerefMut};
4
5mod constants;
6
7/// The error code.
8#[derive(Clone, Copy, Eq, PartialEq, Hash, Default, Deref, DerefMut)]
9#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
10#[repr(transparent)]
11pub struct Code(i32);
12
13impl Display for Code {
14    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
15        f.write_fmt(format_args!("{:#06X}", *self))
16    }
17}
18
19impl Debug for Code {
20    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
21        f.write_fmt(format_args!("[{:#06X}] {}", self.0, self.as_err_str()))
22    }
23}
24
25impl Code {
26    /// Error code == 0. It should not raised in any real errors.
27    pub fn success(&self) -> bool {
28        self.0 == 0
29    }
30
31    const fn as_err_str(&self) -> &'static str {
32        if self.0 == 0 {
33            return "Success";
34        }
35        match constants::error_str_of(self.0 as _) {
36            Some(s) => s,
37            None => "Incomplete",
38        }
39    }
40    pub(crate) const fn _priv_err_str(&self) -> Option<&'static str> {
41        constants::error_str_of(self.0 as _)
42    }
43}
44
45/// Constants
46impl Code {
47    #[allow(non_upper_case_globals)]
48    #[deprecated(since = "0.9.0", note = "Use Code::FAILED instead")]
49    pub const Failed: Code = Code(0xFFFF);
50    #[allow(non_upper_case_globals)]
51    #[deprecated(since = "0.9.0", note = "Use Code::SUCCESS instead")]
52    pub const Success: Code = Code(0);
53
54    pub const FAILED: Code = Code(0xFFFF);
55    pub const SUCCESS: Code = Code(0);
56
57    pub const COLUMN_EXISTS: Code = Code(0x036B);
58    pub const COLUMN_NOT_EXIST: Code = Code(0x036C);
59    pub const TAG_ALREADY_EXIST: Code = Code(0x0369);
60    pub const TAG_NOT_EXIST: Code = Code(0x036A);
61    pub const MODIFIED_ALREADY: Code = Code(0x264B);
62    pub const INVALID_COLUMN_NAME: Code = Code(0x2602);
63    pub const TABLE_NOT_EXIST: Code = Code(0x2603);
64    pub const STABLE_NOT_EXIST: Code = Code(0x0362);
65    pub const INVALID_ROW_BYTES: Code = Code(0x036F);
66    pub const DUPLICATED_COLUMN_NAMES: Code = Code(0x263C);
67    pub const NO_COLUMN_CAN_BE_DROPPED: Code = Code(0x2651);
68}
69
70macro_rules! _impl_fmt {
71    ($fmt:ident) => {
72        impl fmt::$fmt for Code {
73            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
74                fmt::$fmt::fmt(&self.0, f)
75            }
76        }
77    };
78}
79
80_impl_fmt!(LowerHex);
81_impl_fmt!(UpperHex);
82
83macro_rules! _impl_from {
84    ($($from:ty) *) => {
85        $(
86            impl From<$from> for Code {
87                #[inline]
88                fn from(c: $from) -> Self {
89                    Self(c as i32 & 0xFFFF)
90                }
91            }
92            impl From<Code> for $from {
93                #[inline]
94                fn from(c: Code) -> Self {
95                    c.0 as _
96                }
97            }
98        )*
99    };
100}
101
102_impl_from!(i8 u8 i16 i32 u16 u32 i64 u64);
103
104impl Code {
105    /// Code from raw primitive type.
106    pub const fn new(code: i32) -> Self {
107        Code(code)
108    }
109}
110
111impl PartialEq<usize> for Code {
112    fn eq(&self, other: &usize) -> bool {
113        self.0 == *other as i32
114    }
115}
116
117impl PartialEq<isize> for Code {
118    fn eq(&self, other: &isize) -> bool {
119        self.0 == *other as i32
120    }
121}
122
123impl PartialEq<i32> for Code {
124    fn eq(&self, other: &i32) -> bool {
125        self.0 == *other
126    }
127}
128
129#[test]
130fn test_code() {
131    let c: i32 = Code::new(0).into();
132    assert_eq!(c, 0);
133    let c = Code::from(0).to_string();
134    assert_eq!(c, "0x0000");
135    dbg!(Code::from(0x200));
136
137    let c: i8 = Code::new(0).into();
138    let mut c: Code = c.into();
139
140    let _: &i32 = &c;
141    let _: &mut i32 = &mut c;
142}
taos_error/code/mod.rs

taos_error/code/
mod.rs
