Enum datafusion_proto::protobuf::PrimitiveScalarType

source · [−]

#[repr(i32)]
pub enum PrimitiveScalarType {
Show 23 variants    Bool,
    Uint8,
    Int8,
    Uint16,
    Int16,
    Uint32,
    Int32,
    Uint64,
    Int64,
    Float32,
    Float64,
    Utf8,
    LargeUtf8,
    Date32,
    TimeMicrosecond,
    TimeNanosecond,
    Null,
    Decimal128,
    Date64,
    TimeSecond,
    TimeMillisecond,
    IntervalYearmonth,
    IntervalDaytime,
}

Expand description

Contains all valid datafusion scalar type except for List

Variants

`Bool`

arrow::Type::BOOL

`Uint8`

arrow::Type::UINT8

`Int8`

arrow::Type::INT8

`Uint16`

represents arrow::Type fields in src/arrow/type.h

`Int16`

`Uint32`

`Int32`

`Uint64`

`Int64`

`Float32`

`Float64`

`Utf8`

`LargeUtf8`

`Date32`

`TimeMicrosecond`

`TimeNanosecond`

`Null`

`Decimal128`

`Date64`

`TimeSecond`

`TimeMillisecond`

`IntervalYearmonth`

`IntervalDaytime`

Implementations

impl PrimitiveScalarType

pub fn is_valid(value: i32) -> bool

Returns true if value is a variant of PrimitiveScalarType.

pub fn from_i32(value: i32) -> Option<PrimitiveScalarType>

Converts an i32 to a PrimitiveScalarType, or None if value is not a valid variant.

Trait Implementations

impl Clone for PrimitiveScalarType

fn clone(&self) -> PrimitiveScalarType

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for PrimitiveScalarType

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

Formats the value using the given formatter. Read more

impl Default for PrimitiveScalarType

fn default() -> PrimitiveScalarType

Returns the “default value” for a type. Read more

impl From<PrimitiveScalarType> for i32

fn from(value: PrimitiveScalarType) -> i32

Converts to this type from the input type.

impl From<PrimitiveScalarType> for DataType

fn from(scalar: PrimitiveScalarType) -> Self

Converts to this type from the input type.

impl Hash for PrimitiveScalarType

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

1.3.0 · source

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

impl Ord for PrimitiveScalarType

fn cmp(&self, other: &PrimitiveScalarType) -> Ordering

This method returns an Ordering between self and other. Read more

1.21.0 · source

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values. Read more

1.21.0 · source

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values. Read more

1.50.0 · source

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval. Read more

impl PartialEq<PrimitiveScalarType> for PrimitiveScalarType

fn eq(&self, other: &PrimitiveScalarType) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl PartialOrd<PrimitiveScalarType> for PrimitiveScalarType

fn partial_cmp(&self, other: &PrimitiveScalarType) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more

1.0.0 · source

fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more

1.0.0 · source

fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

1.0.0 · source

fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more

1.0.0 · source

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

impl TryFrom<&'_ PrimitiveScalarType> for ScalarValue

type Error = Error

The type returned in the event of a conversion error.

fn try_from(scalar: &PrimitiveScalarType) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<&'_ i32> for PrimitiveScalarType

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: &i32) -> Result<Self, Self::Error>

Performs the conversion.

impl Copy for PrimitiveScalarType

impl Eq for PrimitiveScalarType

impl StructuralEq for PrimitiveScalarType

impl StructuralPartialEq for PrimitiveScalarType

Auto Trait Implementations

impl RefUnwindSafe for PrimitiveScalarType

impl Send for PrimitiveScalarType

impl Sync for PrimitiveScalarType

impl Unpin for PrimitiveScalarType

impl UnwindSafe for PrimitiveScalarType

Blanket Implementations

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

impl<T> CallHasher for T where
T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64 where
H: Hash + ?Sized,
B: BuildHasher,

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> 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.

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

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

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> 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<U>>::Error>

Performs the conversion.

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

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

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

fn vzip(self) -> V

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