Enum polars::error::PolarsError

pub enum PolarsError {
    ArrowError(ArrowError),
    InvalidOperation(Cow<'static, str>),
    DataTypeMisMatch(Cow<'static, str>),
    NotFound(String),
    ShapeMisMatch(Cow<'static, str>),
    Other(Cow<'static, str>),
    OutOfBounds(Cow<'static, str>),
    NoSlice,
    NoData(Cow<'static, str>),
    ValueError(Cow<'static, str>),
    MemoryNotAligned,
    ParquetError(ParquetError),
    RandError(String),
    HasNullValues(Cow<'static, str>),
    UnknownSchema(Cow<'static, str>),
    Various(Error),
    IO(Error),
    Regex(Error),
    Duplicate(Cow<'static, str>),
}

Variants

ArrowError(ArrowError)

InvalidOperation(Cow<'static, str>)

DataTypeMisMatch(Cow<'static, str>)

NotFound(String)

ShapeMisMatch(Cow<'static, str>)

Other(Cow<'static, str>)

OutOfBounds(Cow<'static, str>)

NoSlice

NoData(Cow<'static, str>)

ValueError(Cow<'static, str>)

MemoryNotAligned

ParquetError(ParquetError)

RandError(String)

HasNullValues(Cow<'static, str>)

UnknownSchema(Cow<'static, str>)

Various(Error)

IO(Error)

Regex(Error)

Duplicate(Cow<'static, str>)

Trait Implementations

impl Debug for PolarsError

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

Formats the value using the given formatter.

impl Display for PolarsError

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

Formats the value using the given formatter.

impl Error for PolarsError

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

The lower-level source of this error, if any.

pub fn backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error occurred.

pub fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<ArrowError> for PolarsError

pub fn from(source: ArrowError) -> Self

Performs the conversion.

impl From<Error> for PolarsError

pub fn from(source: Error) -> Self

Performs the conversion.

impl From<Error> for PolarsError

pub fn from(source: Error) -> Self

Performs the conversion.

impl From<Error> for PolarsError

pub fn from(source: Error) -> Self

Performs the conversion.

impl From<Error> for PolarsError

pub fn from(_: Error) -> Self

Performs the conversion.

impl From<ParquetError> for PolarsError

pub fn from(source: ParquetError) -> Self

Performs the conversion.