nodedb_columnar/
error.rs

1//! Error types for columnar segment operations.
2
3/// Errors from columnar segment encoding, decoding, and validation.
4#[derive(Debug, thiserror::Error)]
5pub enum ColumnarError {
6    #[error("codec error: {0}")]
7    Codec(#[from] nodedb_codec::CodecError),
8
9    #[error("segment too short: expected at least {expected} bytes, got {got}")]
10    TruncatedSegment { expected: usize, got: usize },
11
12    #[error("invalid magic bytes: expected NDBS, got {0:?}")]
13    InvalidMagic([u8; 4]),
14
15    #[error(
16        "incompatible segment version: reader {reader_major}.x, segment {segment_major}.{segment_minor}"
17    )]
18    IncompatibleVersion {
19        reader_major: u8,
20        segment_major: u8,
21        segment_minor: u8,
22    },
23
24    #[error("footer CRC32C mismatch: stored {stored:#010x}, computed {computed:#010x}")]
25    FooterCrcMismatch { stored: u32, computed: u32 },
26
27    #[error("column index {index} out of range (segment has {count} columns)")]
28    ColumnOutOfRange { index: usize, count: usize },
29
30    #[error("schema mismatch: expected {expected} columns, memtable has {got}")]
31    SchemaMismatch { expected: usize, got: usize },
32
33    #[error("memtable is empty — nothing to flush")]
34    EmptyMemtable,
35
36    #[error("serialization error: {0}")]
37    Serialization(String),
38
39    #[error("value type mismatch for column '{column}': expected {expected}")]
40    TypeMismatch { column: String, expected: String },
41
42    #[error("null violation: column '{0}' is NOT NULL")]
43    NullViolation(String),
44
45    #[error("duplicate primary key")]
46    DuplicatePrimaryKey,
47
48    #[error("primary key not found")]
49    PrimaryKeyNotFound,
50}
nodedb_columnar/error.rs

nodedb_columnar/
error.rs
