Struct mz_persist::metrics::ArrowColumnMetrics

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pub struct ArrowColumnMetrics {
    decoding_count: IntCounter,
    decoding_seconds: Counter,
    correct_count: IntCounter,
    invalid_count: IntCounter,
}
Expand description

Metrics for a top-level arrow column in our structured representation.

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§decoding_count: IntCounter§decoding_seconds: Counter§correct_count: IntCounter§invalid_count: IntCounter

Implementations§

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impl ArrowColumnMetrics

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fn new(count: &IntCounterVec, duration: &CounterVec, col: &'static str) -> Self

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pub fn measure_decoding<R, F: FnOnce() -> R>(&self, decode: F) -> R

Measure and report how long decoding takes.

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pub fn report_valid<F: FnOnce() -> bool>(&self, f: F) -> bool

Measure and report statistics for validation.

Trait Implementations§

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impl Clone for ArrowColumnMetrics

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fn clone(&self) -> ArrowColumnMetrics

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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

Formats the value using the given formatter. Read more

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