1use thiserror::Error;
2
3pub type Result<T> = std::result::Result<T, MongrelError>;
4
5#[non_exhaustive]
6#[derive(Debug, Error)]
7pub enum MongrelError {
8 #[error("io error: {0}")]
9 Io(#[from] std::io::Error),
10 #[error("serialization error: {0}")]
11 Serialization(#[from] bincode::Error),
12 #[error("corrupt wal record at offset {offset}: {reason}")]
13 CorruptWal { offset: u64, reason: String },
14 #[error("torn wal write detected at offset {offset}")]
15 TornWrite { offset: u64 },
16 #[error("checksum mismatch for {context}: expected {expected}, got {actual}")]
17 ChecksumMismatch {
18 expected: u64,
19 actual: u64,
20 context: String,
21 },
22 #[error("magic mismatch in {what}: expected {expected:?}, got {got:?}")]
23 MagicMismatch {
24 what: &'static str,
25 expected: [u8; 8],
26 got: [u8; 8],
27 },
28 #[error("schema error: {0}")]
29 Schema(String),
30 #[error("column not found: {0}")]
31 ColumnNotFound(String),
32 #[error("encryption is required for this table but the `encryption` feature is disabled")]
33 EncryptionDisabled,
34 #[error("encryption error: {0}")]
35 Encryption(String),
36 #[error("decryption error: {0}")]
37 Decryption(String),
38 #[error("not found: {0}")]
39 NotFound(String),
40 #[error("invalid argument: {0}")]
41 InvalidArgument(String),
42 #[error("table is full: {0}")]
43 Full(String),
44 #[error("transaction conflict: {0}")]
45 Conflict(String),
46 #[error("authentication required: this database has require_auth enabled; reopen with open_with_credentials / open_encrypted_with_credentials")]
47 AuthRequired,
48 #[error("authentication not required: this database does not have require_auth enabled; use the plain open/create constructors")]
49 AuthNotRequired,
50 #[error("invalid credentials for user {username:?}")]
51 InvalidCredentials { username: String },
52 #[error("permission denied: principal {principal:?} lacks {required}")]
53 PermissionDenied {
54 required: crate::auth::Permission,
55 principal: String,
56 },
57 #[error("{0}")]
58 Other(String),
59}