Struct arrow::ffi::FFI_ArrowSchema

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#[repr(C)]
pub struct FFI_ArrowSchema { /* private fields */ }

Expand description

ABI-compatible struct for ArrowSchema from C Data Interface See https://arrow.apache.org/docs/format/CDataInterface.html#structure-definitions This was created by bindgen

Implementations

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impl FFI_ArrowSchema

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pub fn try_new(
 format: &str,
 children: Vec<FFI_ArrowSchema>,
 dictionary: Option<FFI_ArrowSchema>
) -> Result<Self>

create a new FFI_ArrowSchema. This fails if the fields’ DataType is not supported.

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pub fn format(&self) -> &str

returns the format of this schema.

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pub fn name(&self) -> &str

returns the name of this schema.

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pub fn flags(&self) -> Option<Flags>

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pub fn child(&self, index: usize) -> &Self

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pub fn children(&self) -> impl Iterator<Item = &Self>

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pub fn nullable(&self) -> bool

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pub fn dictionary(&self) -> Option<&Self>

Trait Implementations

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impl Debug for FFI_ArrowSchema

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

Formats the value using the given formatter. Read more

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impl Drop for FFI_ArrowSchema

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fn drop(&mut self)

Executes the destructor for this type. Read more

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impl TryFrom<&'_ DataType> for FFI_ArrowSchema

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fn try_from(dtype: &DataType) -> Result<Self>

See CDataInterface docs

type Error = ArrowError

The type returned in the event of a conversion error.

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impl TryFrom<&'_ FFI_ArrowSchema> for DataType

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fn try_from(c_schema: &FFI_ArrowSchema) -> Result<Self>

See CDataInterface docs

type Error = ArrowError

The type returned in the event of a conversion error.

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impl TryFrom<&'_ FFI_ArrowSchema> for Field

type Error = ArrowError

The type returned in the event of a conversion error.

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fn try_from(c_schema: &FFI_ArrowSchema) -> Result<Self>

Performs the conversion.

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impl TryFrom<&'_ FFI_ArrowSchema> for Schema

type Error = ArrowError

The type returned in the event of a conversion error.

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fn try_from(c_schema: &FFI_ArrowSchema) -> Result<Self>

Performs the conversion.

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impl TryFrom<&'_ Field> for FFI_ArrowSchema

type Error = ArrowError

The type returned in the event of a conversion error.

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fn try_from(field: &Field) -> Result<Self>

Performs the conversion.

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impl TryFrom<&'_ Schema> for FFI_ArrowSchema

type Error = ArrowError

The type returned in the event of a conversion error.

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fn try_from(schema: &Schema) -> Result<Self>

Performs the conversion.

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impl TryFrom<DataType> for FFI_ArrowSchema

type Error = ArrowError

The type returned in the event of a conversion error.

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fn try_from(dtype: DataType) -> Result<Self>

Performs the conversion.

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impl TryFrom<Field> for FFI_ArrowSchema

type Error = ArrowError

The type returned in the event of a conversion error.

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fn try_from(field: Field) -> Result<Self>

Performs the conversion.

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impl TryFrom<Schema> for FFI_ArrowSchema

type Error = ArrowError

The type returned in the event of a conversion error.

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fn try_from(schema: Schema) -> Result<Self>

Performs the conversion.

Auto Trait Implementations

impl RefUnwindSafe for FFI_ArrowSchema

impl !Send for FFI_ArrowSchema

impl !Sync for FFI_ArrowSchema

impl Unpin for FFI_ArrowSchema

impl UnwindSafe for FFI_ArrowSchema

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

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Struct arrow::ffi::FFI_ArrowSchema

Implementations

impl FFI_ArrowSchema

pub fn try_new( format: &str, children: Vec<FFI_ArrowSchema>, dictionary: Option<FFI_ArrowSchema>) -> Result<Self>

pub fn with_name(self, name: &str) -> Result<Self>

pub fn with_flags(self, flags: Flags) -> Result<Self>

pub fn empty() -> Self

pub fn format(&self) -> &str

pub fn name(&self) -> &str

pub fn flags(&self) -> Option<Flags>

pub fn child(&self, index: usize) -> &Self

pub fn children(&self) -> impl Iterator<Item = &Self>

pub fn nullable(&self) -> bool

pub fn dictionary(&self) -> Option<&Self>

Trait Implementations

impl Debug for FFI_ArrowSchema

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

impl Drop for FFI_ArrowSchema

fn drop(&mut self)

impl TryFrom<&'_ DataType> for FFI_ArrowSchema

fn try_from(dtype: &DataType) -> Result<Self>

type Error = ArrowError

impl TryFrom<&'_ FFI_ArrowSchema> for DataType

fn try_from(c_schema: &FFI_ArrowSchema) -> Result<Self>

type Error = ArrowError

impl TryFrom<&'_ FFI_ArrowSchema> for Field

type Error = ArrowError

fn try_from(c_schema: &FFI_ArrowSchema) -> Result<Self>

impl TryFrom<&'_ FFI_ArrowSchema> for Schema

type Error = ArrowError

fn try_from(c_schema: &FFI_ArrowSchema) -> Result<Self>

impl TryFrom<&'_ Field> for FFI_ArrowSchema

type Error = ArrowError

fn try_from(field: &Field) -> Result<Self>

impl TryFrom<&'_ Schema> for FFI_ArrowSchema

type Error = ArrowError

fn try_from(schema: &Schema) -> Result<Self>

impl TryFrom<DataType> for FFI_ArrowSchema

type Error = ArrowError

fn try_from(dtype: DataType) -> Result<Self>

impl TryFrom<Field> for FFI_ArrowSchema

type Error = ArrowError

fn try_from(field: Field) -> Result<Self>

impl TryFrom<Schema> for FFI_ArrowSchema

type Error = ArrowError

fn try_from(schema: Schema) -> Result<Self>

Auto Trait Implementations

impl RefUnwindSafe for FFI_ArrowSchema

impl !Send for FFI_ArrowSchema

impl !Sync for FFI_ArrowSchema

impl Unpin for FFI_ArrowSchema

impl UnwindSafe for FFI_ArrowSchema

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> Allocation for T where T: RefUnwindSafe,

pub fn try_new(
format: &str,
children: Vec<FFI_ArrowSchema>,
dictionary: Option<FFI_ArrowSchema>
) -> Result<Self>

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

impl<T> Allocation for T where
T: RefUnwindSafe,