Enum ReadError 

pub enum ReadError {
    UnexpectedNull,
    ColumnError(ColumnError),
    ConversionError(Error),
}

Error that can occur when reading data from Arrow columns.

Variants

UnexpectedNull

A value was expected to be non-null but was null.

ColumnError(ColumnError)

An error occurred while accessing a column.

ConversionError(Error)

An error occurred during data type conversion.

Trait Implementations

impl Debug for ReadError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for ReadError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for ReadError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<ColumnError> for ReadError

fn from(source: ColumnError) -> Self

Converts to this type from the input type.