struct UpdatableApproxCountDistinct;Trait Implementations§
Source§impl AggregateFunction for UpdatableApproxCountDistinct
impl AggregateFunction for UpdatableApproxCountDistinct
Source§fn return_type(&self) -> DataType
fn return_type(&self) -> DataType
Returns the return type of the aggregate function.
Source§fn create_state(&self) -> Result<AggregateState>
fn create_state(&self) -> Result<AggregateState>
Creates an initial state of the aggregate function.
Source§fn update<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
state: &'life1 mut AggregateState,
input: &'life2 StreamChunk,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
fn update<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
state: &'life1 mut AggregateState,
input: &'life2 StreamChunk,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
Update the state with multiple rows.
Source§fn update_range<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
state: &'life1 mut AggregateState,
input: &'life2 StreamChunk,
range: Range<usize>,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
fn update_range<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
state: &'life1 mut AggregateState,
input: &'life2 StreamChunk,
range: Range<usize>,
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
Update the state with a range of rows.
Source§fn get_result<'life0, 'life1, 'async_trait>(
&'life0 self,
state: &'life1 AggregateState,
) -> Pin<Box<dyn Future<Output = Result<Datum>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn get_result<'life0, 'life1, 'async_trait>(
&'life0 self,
state: &'life1 AggregateState,
) -> Pin<Box<dyn Future<Output = Result<Datum>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Get aggregate result from the state.
Source§fn encode_state(&self, state: &AggregateState) -> Result<Datum>
fn encode_state(&self, state: &AggregateState) -> Result<Datum>
Encode the state into a datum that can be stored in state table.
Source§fn decode_state(&self, datum: Datum) -> Result<AggregateState>
fn decode_state(&self, datum: Datum) -> Result<AggregateState>
Decode the state from a datum in state table.
Auto Trait Implementations§
impl Freeze for UpdatableApproxCountDistinct
impl RefUnwindSafe for UpdatableApproxCountDistinct
impl Send for UpdatableApproxCountDistinct
impl Sync for UpdatableApproxCountDistinct
impl Unpin for UpdatableApproxCountDistinct
impl UnwindSafe for UpdatableApproxCountDistinct
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T: ?Sized,
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metric_level: MetricLevel,
relabel_threshold: MetricLevel,
) -> RelabeledMetricVec<M>
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self,
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) -> RelabeledMetricVec<M>
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