Enum ColumnErrorType 

pub enum ColumnErrorType {
    NotFound,
    WrongType {
        expected_type: &'static str,
        actual_type: DataType,
    },
}

The specific type of error that can occur when accessing a column.

Variants

NotFound

The column was not found in the Arrow schema.

WrongType

The column exists but has a different type than expected.

Fields

expected_type: &'static str

The expected Arrow data type.

actual_type: DataType

The actual Arrow data type found in the schema.

Trait Implementations

impl Debug for ColumnErrorType

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

Formats the value using the given formatter.

impl Display for ColumnErrorType

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

Formats the value using the given formatter.

impl Error for ColumnErrorType

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.