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SumAggregator

reddb_server::storage::query::executors::aggregation

Struct SumAggregator 

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pub struct SumAggregator { /* private fields */ }
Expand description

SUM aggregator

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impl SumAggregator

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pub fn new() -> Self

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impl Aggregator for SumAggregator

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fn accumulate(&mut self, value: Option<&Value>)

Process a single value
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fn finalize(&self) -> Value

Get the final aggregated result
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fn reset(&mut self)

Reset for new group
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fn new_instance(&self) -> Box<dyn Aggregator>

Create a fresh copy for a new group
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fn name(&self) -> &'static str

Name of the aggregator
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impl Clone for SumAggregator

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fn clone(&self) -> SumAggregator

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for SumAggregator

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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 Default for SumAggregator

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fn default() -> SumAggregator

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

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impl<T> CloneToUninit for T
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

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