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AggregateExecutor

cynos_query::executor

Struct AggregateExecutor 

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

Aggregate executor - computes aggregate functions.

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impl AggregateExecutor

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pub fn new( group_by: Vec<usize>, aggregates: Vec<(AggregateFunc, Option<usize>)>, ) -> Self

Creates a new aggregate executor.

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pub fn no_group(aggregates: Vec<(AggregateFunc, Option<usize>)>) -> Self

Creates an aggregate executor with no grouping.

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pub fn execute(&self, input: Relation) -> Relation

Executes the aggregation on the input relation.

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