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Merge pull request #72 from benesch/error

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Implement std::error::Error for ParserError
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Nickolay Ponomarev 2019-05-30 02:32:02 +03:00 • committed by GitHub
commit bc1ec47e4b
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1 changed files with 16 additions and 0 deletions
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16
src/sqlparser.rs
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@ -20,6 +20,7 @@ use super::dialect::keywords;
use super::dialect::Dialect; use super::dialect::Dialect;
use super::sqlast::*; use super::sqlast::*;
use super::sqltokenizer::*; use super::sqltokenizer::*;
use std::error::Error;
#[derive(Debug, Clone, PartialEq)] #[derive(Debug, Clone, PartialEq)]
pub enum ParserError { pub enum ParserError {
@ -47,6 +48,21 @@ impl From<TokenizerError> for ParserError {
} }
} }
impl std::fmt::Display for ParserError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(
f,
"sql parser error: {}",
match self {
ParserError::TokenizerError(s) => s,
ParserError::ParserError(s) => s,
}
)
}
}
impl Error for ParserError {}
/// SQL Parser /// SQL Parser
pub struct Parser { pub struct Parser {
tokens: Vec<Token>, tokens: Vec<Token>,