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ScanStats

nervusdb_core::query::executor

Struct ScanStats 

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pub struct ScanStats {
    pub estimated_cardinality: usize,
    pub has_labels: bool,
}
Expand description

节点扫描统计信息

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§estimated_cardinality: usize§has_labels: bool

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impl ScanStats

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pub fn estimate_scan_cardinality(db: &Database, labels: &[String]) -> Self

计算 ScanNode 的预估基数

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impl Debug for ScanStats

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

Formats the value using the given formatter. Read more

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