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rustbasic_core/sql/
error.rs

1use std::fmt;
2
3#[derive(Debug)]
4pub enum Error {
5    Database(String),
6    RowNotFound,
7    ColumnNotFound(String),
8    ColumnIndexOutOfBounds { len: usize, index: usize },
9    DecodeError(String),
10    Protocol(String),
11}
12
13impl std::error::Error for Error {}
14
15impl fmt::Display for Error {
16    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
17        match self {
18            Error::Database(msg) => write!(f, "Database error: {}", msg),
19            Error::RowNotFound => write!(f, "Row not found"),
20            Error::ColumnNotFound(col) => write!(f, "Column not found: {}", col),
21            Error::ColumnIndexOutOfBounds { len, index } => {
22                write!(f, "Column index out of bounds: len {}, index {}", len, index)
23            }
24            Error::DecodeError(msg) => write!(f, "Decode error: {}", msg),
25            Error::Protocol(msg) => write!(f, "Protocol error: {}", msg),
26        }
27    }
28}