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DocumentAverage

drive_proof_verifier

Struct DocumentAverage 

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pub struct DocumentAverage {
    pub count: u64,
    pub sum: i64,
}
Expand description

Verified average result types. Average-side analog of DocumentSum / DocumentSplitSums; carry the (count, sum) pair the verifier recovers from grovedb PR 670’s AggregateCountAndSumOnRange primitive. Client computes avg = sum / count. The (count, sum) pair across documents matching a query, verified from proof. Client computes avg = sum / count using whichever precision representation it wants.

count is u64 (counts are non-negative); sum is i64 (matching DocumentSum). The grovedb primitive that backs this is AggregateCountAndSumOnRange (PCPS-leaf) for range-filtered queries, or the primary-key count-sum-bearing element direct read for empty-where queries on a documentsCountable + documentsSummable doctype.

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§count: u64

Total matched-document count for the query.

§sum: i64

Total aggregated value of the sum_property for the query.

Implementations§

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impl DocumentAverage

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pub fn as_f64(&self) -> Option<f64>

Convenience: compute the average as f64. Returns None when count == 0 (preserving the divide-by-zero contract rather than producing NaN / inf). Callers that need a different representation should divide self.sum / self.count directly.

Trait Implementations§

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impl Clone for DocumentAverage

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fn clone(&self) -> DocumentAverage

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 DocumentAverage

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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 PartialEq for DocumentAverage

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for DocumentAverage

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impl StructuralPartialEq for DocumentAverage

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