sqlx_rqlite/
error.rs

1use crate::rqlite;
2use std::error::Error as StdError;
3use std::fmt::{self, Display, Formatter};
4use std::{borrow::Cow /*, str::from_utf8_unchecked*/};
5/*
6use libsqlite3_sys::{
7    sqlite3, sqlite3_errmsg, sqlite3_extended_errcode, SQLITE_CONSTRAINT_CHECK,
8    SQLITE_CONSTRAINT_FOREIGNKEY, SQLITE_CONSTRAINT_NOTNULL, SQLITE_CONSTRAINT_PRIMARYKEY,
9    SQLITE_CONSTRAINT_UNIQUE,
10};
11*/
12pub(crate) use sqlx_core::error::*;
13
14// Error Codes And Messages
15// https://www.sqlite.org/c3ref/errcode.html
16
17#[derive(Debug)]
18pub struct RqliteError {
19    pub inner: Box<rqlite::RqliteError>,
20}
21
22impl RqliteError {
23    /*
24    pub(crate) fn new(inner: Box<rqlite::RqliteError>) -> Self {
25        Self {
26            inner,
27        }
28    }
29    */
30}
31
32impl Display for RqliteError {
33    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
34        // We include the code as some produce ambiguous messages:
35        // SQLITE_BUSY: "database is locked"
36        // SQLITE_LOCKED: "database table is locked"
37        // Sadly there's no function to get the string label back from an error code.
38        write!(f, "{}", self.inner)
39    }
40}
41
42impl StdError for RqliteError {}
43
44impl DatabaseError for RqliteError {
45    #[inline]
46    fn message(&self) -> &str {
47        self.inner.description()
48    }
49
50    /// The extended result code.
51    #[inline]
52    fn code(&self) -> Option<Cow<'_, str>> {
53        //Some(format!("{}", self.code).into())
54        None
55    }
56
57    #[doc(hidden)]
58    fn as_error(&self) -> &(dyn StdError + Send + Sync + 'static) {
59        self
60    }
61
62    #[doc(hidden)]
63    fn as_error_mut(&mut self) -> &mut (dyn StdError + Send + Sync + 'static) {
64        self
65    }
66
67    #[doc(hidden)]
68    fn into_error(self: Box<Self>) -> Box<dyn StdError + Send + Sync + 'static> {
69        self
70    }
71
72    fn kind(&self) -> ErrorKind {
73        match self.inner {
74            /*
75            SQLITE_CONSTRAINT_UNIQUE | SQLITE_CONSTRAINT_PRIMARYKEY => ErrorKind::UniqueViolation,
76            SQLITE_CONSTRAINT_FOREIGNKEY => ErrorKind::ForeignKeyViolation,
77            SQLITE_CONSTRAINT_NOTNULL => ErrorKind::NotNullViolation,
78            SQLITE_CONSTRAINT_CHECK => ErrorKind::CheckViolation,
79            */
80            _ => ErrorKind::Other,
81        }
82    }
83}