comphead commented on code in PR #10186:
URL: https://github.com/apache/datafusion/pull/10186#discussion_r1581200396
##########
datafusion/common/src/error.rs:
##########
@@ -450,6 +396,99 @@ impl DataFusionError {
#[cfg(not(feature = "backtrace"))]
"".to_owned()
}
+
+ fn get_error_name(&self) -> &'static str {
+ match self {
+ DataFusionError::ArrowError(_, _) => "Arrow error: ",
+ #[cfg(feature = "parquet")]
+ DataFusionError::ParquetError(_) => "Parquet error: ",
+ #[cfg(feature = "avro")]
+ DataFusionError::AvroError(_) => "Avro error: ",
+ #[cfg(feature = "object_store")]
+ DataFusionError::ObjectStore(_) => "Object Store error: ",
+ DataFusionError::IoError(_) => "IO error: ",
+ DataFusionError::SQL(_, _) => "SQL error: ",
+ DataFusionError::NotImplemented(_) => "This feature is not
implemented: ",
+ DataFusionError::Internal(_) => "Internal error: ",
+ DataFusionError::Plan(_) => "Error during planning: ",
+ DataFusionError::Configuration(_) => "Invalid or Unsupported
Configuration: ",
+ DataFusionError::SchemaError(_, _) => "Schema error: ",
+ DataFusionError::Execution(_) => "Execution error: ",
+ DataFusionError::ResourcesExhausted(_) => "Resources exhausted: ",
+ DataFusionError::External(_) => "External error: ",
+ DataFusionError::Context(_, _) => "",
+ DataFusionError::Substrait(_) => "Substrait error: ",
+ }
+ }
+
+ fn format_err(&self, f: &mut Formatter) -> std::fmt::Result {
+ let error_name = self.get_error_name();
+ match *self {
+ DataFusionError::ArrowError(ref desc, ref backtrace) => {
+ let backtrace = backtrace.clone().unwrap_or("".to_owned());
+ write!(f, "{error_name}{desc}{backtrace}")
+ }
+ #[cfg(feature = "parquet")]
+ DataFusionError::ParquetError(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ #[cfg(feature = "avro")]
+ DataFusionError::AvroError(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ DataFusionError::IoError(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ DataFusionError::SQL(ref desc, ref backtrace) => {
+ let backtrace: String =
backtrace.clone().unwrap_or("".to_owned());
+ write!(f, "{error_name}{desc:?}{backtrace}")
+ }
+ DataFusionError::Configuration(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ DataFusionError::NotImplemented(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ DataFusionError::Internal(ref desc) => {
+ write!(f, "{error_name}{desc}.\nThis was likely caused by a
bug in DataFusion's \
+ code and we would welcome that you file an bug report in
our issue tracker")
+ }
+ DataFusionError::Plan(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ DataFusionError::SchemaError(ref desc, ref backtrace) => {
+ let backtrace: &str =
+ &backtrace.as_ref().clone().unwrap_or("".to_owned());
+ write!(f, "{error_name}{desc}{backtrace}")
+ }
+ DataFusionError::Execution(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ DataFusionError::ResourcesExhausted(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ DataFusionError::External(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ #[cfg(feature = "object_store")]
+ DataFusionError::ObjectStore(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ DataFusionError::Context(ref desc, ref err) => {
+ write!(f, "{error_name}{desc}\ncaused by\n{}", *err)
+ }
+ DataFusionError::Substrait(ref desc) => {
+ write!(f, "{error_name}{desc}")
+ }
+ }
+ }
+
+ /// Strips error description out of the error message
+ /// Error has a format `{error_name}{`error`}
+ /// The method strips the `error_name` from level and outputs 'error``
+ pub fn strip_error_name(self) -> String {
+ self.to_string().replace(self.get_error_name(), "")
Review Comment:
looks like it works even without thiserror magic, we can call `.message()`
method in `From<>` error conversion
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