use std::error;
use std::fmt::{Display, Formatter};
use std::io;
use std::result;
use arrow::error::ArrowError;
use parquet::errors::ParquetError;
use sqlparser::parser::ParserError;
pub type Result<T> = result::Result<T, DataFusionError>;
#[derive(Debug)]
#[allow(missing_docs)]
pub enum DataFusionError {
ArrowError(ArrowError),
ParquetError(ParquetError),
IoError(io::Error),
SQL(ParserError),
NotImplemented(String),
Internal(String),
Plan(String),
Execution(String),
}
impl DataFusionError {
pub fn into_arrow_external_error(self) -> ArrowError {
ArrowError::from_external_error(Box::new(self))
}
}
impl From<io::Error> for DataFusionError {
fn from(e: io::Error) -> Self {
DataFusionError::IoError(e)
}
}
impl From<ArrowError> for DataFusionError {
fn from(e: ArrowError) -> Self {
DataFusionError::ArrowError(e)
}
}
impl From<ParquetError> for DataFusionError {
fn from(e: ParquetError) -> Self {
DataFusionError::ParquetError(e)
}
}
impl From<ParserError> for DataFusionError {
fn from(e: ParserError) -> Self {
DataFusionError::SQL(e)
}
}
impl Display for DataFusionError {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match *self {
DataFusionError::ArrowError(ref desc) => write!(f, "Arrow error: {}", desc),
DataFusionError::ParquetError(ref desc) => {
write!(f, "Parquet error: {}", desc)
}
DataFusionError::IoError(ref desc) => write!(f, "IO error: {}", desc),
DataFusionError::SQL(ref desc) => {
write!(f, "SQL error: {:?}", desc)
}
DataFusionError::NotImplemented(ref desc) => {
write!(f, "This feature is not implemented: {}", desc)
}
DataFusionError::Internal(ref desc) => {
write!(f, "Internal error: {}. This was likely caused by a bug in DataFusion's \
code and we would welcome that you file an bug report in our issue tracker", desc)
}
DataFusionError::Plan(ref desc) => {
write!(f, "Error during planning: {}", desc)
}
DataFusionError::Execution(ref desc) => {
write!(f, "Execution error: {}", desc)
}
}
}
}
impl error::Error for DataFusionError {}