Enum tidb_query_aggr::impl_first::AggrFnStateFirst[−][src]

pub enum AggrFnStateFirst<T> where
    T: EvaluableRef<'static> + 'static,
    VectorValue: VectorValueExt<T::EvaluableType>,  {
    Empty,
    Valued(Option<T::EvaluableType>),
}

The state of the FIRST aggregate function.

Variants

Empty

Valued(Option<T::EvaluableType>)

Implementations

`impl<T> AggrFnStateFirst<T> where T: EvaluableRef<'static> + 'static, VectorValue: VectorValueExt<T::EvaluableType>,` [src]

`pub fn new() -> Self`[src]

`fn update<'a, TT>( &mut self, _ctx: &mut EvalContext, value: Option<TT> ) -> Result<()> where TT: EvaluableRef<'a, EvaluableType = T::EvaluableType>,` [src]

`fn update_repeat<'a, TT>( &mut self, ctx: &mut EvalContext, value: Option<TT>, repeat_times: usize ) -> Result<()> where TT: EvaluableRef<'a, EvaluableType = T::EvaluableType>,` [src]

`fn update_vector<'a, TT, CC>( &mut self, ctx: &mut EvalContext, _phantom_data: Option<TT>, physical_values: CC, logical_rows: &[usize] ) -> Result<()> where TT: EvaluableRef<'a, EvaluableType = T::EvaluableType>, CC: ChunkRef<'a, TT>,` [src]

Trait Implementations

`impl<T> AggrFunctionState for AggrFnStateFirst<T> where T: EvaluableRef<'static> + 'static, VectorValue: VectorValueExt<T::EvaluableType>,` [src]

`fn push_result( &self, _ctx: &mut EvalContext, target: &mut [VectorValue] ) -> Result<()>`[src]

`impl<T> AggrFunctionStateUpdatePartial<T> for AggrFnStateFirst<T> where T: EvaluableRef<'static> + 'static, VectorValue: VectorValueExt<T::EvaluableType>,` [src]

`unsafe fn update_unsafe( &mut self, ctx: &mut EvalContext, value: Option<T> ) -> Result<()>`[src]

`unsafe fn update_repeat_unsafe( &mut self, ctx: &mut EvalContext, value: Option<T>, repeat_times: usize ) -> Result<()>`[src]

`unsafe fn update_vector_unsafe( &mut self, ctx: &mut EvalContext, phantom_data: Option<T>, physical_values: T::ChunkedType, logical_rows: &[usize] ) -> Result<()>`[src]

`impl<T1, T> AggrFunctionStateUpdatePartial<T1> for AggrFnStateFirst<T> where T1: EvaluableRef<'static> + 'static, T: EvaluableRef<'static> + 'static, VectorValue: VectorValueExt<T::EvaluableType>,` [src]

`unsafe default fn update_unsafe( &mut self, _ctx: &mut EvalContext, _value: Option<T1> ) -> Result<()>`[src]

`unsafe default fn update_repeat_unsafe( &mut self, _ctx: &mut EvalContext, _value: Option<T1>, _repeat_times: usize ) -> Result<()>`[src]

`unsafe default fn update_vector_unsafe( &mut self, _ctx: &mut EvalContext, _phantom_data: Option<T1>, _physical_values: T1::ChunkedType, _logical_rows: &[usize] ) -> Result<()>`[src]

`impl<T: Debug> Debug for AggrFnStateFirst<T> where T: EvaluableRef<'static> + 'static, VectorValue: VectorValueExt<T::EvaluableType>, T::EvaluableType: Debug,` [src]

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

Auto Trait Implementations

`impl<T> RefUnwindSafe for AggrFnStateFirst<T> where <T as EvaluableRef<'static>>::EvaluableType: RefUnwindSafe,`

`impl<T> Send for AggrFnStateFirst<T>`

`impl<T> Sync for AggrFnStateFirst<T>`

`impl<T> Unpin for AggrFnStateFirst<T> where <T as EvaluableRef<'static>>::EvaluableType: Unpin,`

`impl<T> UnwindSafe for AggrFnStateFirst<T> where <T as EvaluableRef<'static>>::EvaluableType: UnwindSafe,`

Blanket Implementations

`impl<T> Any for T where T: 'static + ?Sized,` [src]

`pub fn type_id(&self) -> TypeId`[src]

`impl<T> Borrow<T> for T where T: ?Sized,` [src]

`pub fn borrow(&self) -> &T`[src]

`impl<T> BorrowMut<T> for T where T: ?Sized,` [src]

`pub fn borrow_mut(&mut self) -> &mut T`[src]

`impl<V, W> ConvertFrom<W> for V where W: ConvertTo<V>,` [src]

`pub fn convert_from(ctx: &mut EvalContext, from: W) -> Result<V, Error>`[src]

`impl<T> From<T> for T`[src]

`pub fn from(t: T) -> T`[src]

`impl<T> Instrument for T`[src]

`pub fn instrument(self, span: Span) -> Instrumented<Self>`[src]

`pub fn in_current_span(self) -> Instrumented<Self>`[src]

`impl<T, U> Into for T where U: From<T>,` [src]

`pub fn into(self) -> U`[src]

`impl<T> Pointable for T`[src]

`pub const ALIGN: usize`[src]

`type Init = T`

The type for initializers.

`pub unsafe fn init(init: <T as Pointable>::Init) -> usize`[src]

`pub unsafe fn deref<'a>(ptr: usize) -> &'a T`[src]

`pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T`[src]

`pub unsafe fn drop(ptr: usize)`[src]

`impl<T> Same<T> for T`[src]

`type Output = T`

Should always be Self

`impl<T> Sealed<T> for T where T: ?Sized,` [src]

`impl<T> SendSyncUnwindSafe for T where T: Send + Sync + UnwindSafe + ?Sized,` [src]

`impl<T, U> TryFrom for T where U: Into<T>,` [src]

`type Error = Infallible`

The type returned in the event of a conversion error.

`pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>`[src]

`impl<T, U> TryInto for T where U: TryFrom<T>,` [src]

`type Error = >::Error`

The type returned in the event of a conversion error.

`pub fn try_into(self) -> Result<U, >::Error>`[src]

`impl<V, T> VZip<V> for T where V: MultiLane<T>,` [src]

`pub fn vzip(self) -> V`[src]

Enum tidb_query_aggr::impl_first::AggrFnStateFirst⎘[−][src]

Variants

Implementations

impl<T> AggrFnStateFirst<T> where T: EvaluableRef<'static> + 'static, VectorValue: VectorValueExt<T::EvaluableType>, [src]

pub fn new() -> Self[src]

fn update<'a, TT>( &mut self, _ctx: &mut EvalContext, value: Option<TT>) -> Result<()> where TT: EvaluableRef<'a, EvaluableType = T::EvaluableType>, [src]

fn update_repeat<'a, TT>( &mut self, ctx: &mut EvalContext, value: Option<TT>, repeat_times: usize) -> Result<()> where TT: EvaluableRef<'a, EvaluableType = T::EvaluableType>, [src]

fn update_vector<'a, TT, CC>( &mut self, ctx: &mut EvalContext, _phantom_data: Option<TT>, physical_values: CC, logical_rows: &[usize]) -> Result<()> where TT: EvaluableRef<'a, EvaluableType = T::EvaluableType>, CC: ChunkRef<'a, TT>, [src]

Trait Implementations

impl<T> AggrFunctionState for AggrFnStateFirst<T> where T: EvaluableRef<'static> + 'static, VectorValue: VectorValueExt<T::EvaluableType>, [src]

fn push_result( &self, _ctx: &mut EvalContext, target: &mut [VectorValue]) -> Result<()>[src]

impl<T> AggrFunctionStateUpdatePartial<T> for AggrFnStateFirst<T> where T: EvaluableRef<'static> + 'static, VectorValue: VectorValueExt<T::EvaluableType>, [src]

unsafe fn update_unsafe( &mut self, ctx: &mut EvalContext, value: Option<T>) -> Result<()>[src]

unsafe fn update_repeat_unsafe( &mut self, ctx: &mut EvalContext, value: Option<T>, repeat_times: usize) -> Result<()>[src]

unsafe fn update_vector_unsafe( &mut self, ctx: &mut EvalContext, phantom_data: Option<T>, physical_values: T::ChunkedType, logical_rows: &[usize]) -> Result<()>[src]

impl<T1, T> AggrFunctionStateUpdatePartial<T1> for AggrFnStateFirst<T> where T1: EvaluableRef<'static> + 'static, T: EvaluableRef<'static> + 'static, VectorValue: VectorValueExt<T::EvaluableType>, [src]

unsafe default fn update_unsafe( &mut self, _ctx: &mut EvalContext, _value: Option<T1>) -> Result<()>[src]

unsafe default fn update_repeat_unsafe( &mut self, _ctx: &mut EvalContext, _value: Option<T1>, _repeat_times: usize) -> Result<()>[src]

unsafe default fn update_vector_unsafe( &mut self, _ctx: &mut EvalContext, _phantom_data: Option<T1>, _physical_values: T1::ChunkedType, _logical_rows: &[usize]) -> Result<()>[src]

impl<T: Debug> Debug for AggrFnStateFirst<T> where T: EvaluableRef<'static> + 'static, VectorValue: VectorValueExt<T::EvaluableType>, T::EvaluableType: Debug, [src]

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

Auto Trait Implementations

impl<T> RefUnwindSafe for AggrFnStateFirst<T> where <T as EvaluableRef<'static>>::EvaluableType: RefUnwindSafe,

impl<T> Send for AggrFnStateFirst<T>

impl<T> Sync for AggrFnStateFirst<T>

impl<T> Unpin for AggrFnStateFirst<T> where <T as EvaluableRef<'static>>::EvaluableType: Unpin,

impl<T> UnwindSafe for AggrFnStateFirst<T> where <T as EvaluableRef<'static>>::EvaluableType: UnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src]

impl<T> Borrow<T> for T where T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

impl<T> BorrowMut<T> for T where T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

impl<V, W> ConvertFrom<W> for V where W: ConvertTo<V>, [src]

pub fn convert_from(ctx: &mut EvalContext, from: W) -> Result<V, Error>[src]

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

impl<T> Instrument for T[src]

pub fn instrument(self, span: Span) -> Instrumented<Self>[src]

pub fn in_current_span(self) -> Instrumented<Self>[src]

impl<T, U> Into<U> for T where U: From<T>, [src]

pub fn into(self) -> U[src]

impl<T> Pointable for T[src]

pub const ALIGN: usize[src]

type Init = T

pub unsafe fn init(init: <T as Pointable>::Init) -> usize[src]

pub unsafe fn deref<'a>(ptr: usize) -> &'a T[src]

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T[src]

pub unsafe fn drop(ptr: usize)[src]

impl<T> Same<T> for T[src]

type Output = T

impl<T> Sealed<T> for T where T: ?Sized, [src]

impl<T> SendSyncUnwindSafe for T where T: Send + Sync + UnwindSafe + ?Sized, [src]

impl<T, U> TryFrom<U> for T where U: Into<T>, [src]

type Error = Infallible

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

impl<T, U> TryInto<U> for T where U: TryFrom<T>, [src]

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

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

impl<V, T> VZip<V> for T where V: MultiLane<T>, [src]

pub fn vzip(self) -> V[src]