Enum QueryExecutionMetricValue 

pub enum QueryExecutionMetricValue {
    Count(u64),
    Bytes(u64),
    Nanoseconds(u64),
    Gauge(u64),
    TimestampNanoseconds(Option<i64>),
    Pruning {
        pruned: u64,
        matched: u64,
        fully_matched: u64,
    },
    Ratio {
        part: u64,
        total: u64,
    },
    Custom(u64),
}

Typed value captured for one DataFusion execution metric.

Variants

Count(u64)

An unsigned item count.

Bytes(u64)

An unsigned byte count.

Nanoseconds(u64)

An unsigned elapsed duration in nanoseconds.

Gauge(u64)

An unsigned point-in-time gauge.

TimestampNanoseconds(Option<i64>)

An optional signed Unix epoch timestamp in nanoseconds.

Pruning

File-pruning counters.

Fields

pruned: u64

Files pruned.

matched: u64

Files partially matched.

fully_matched: u64

Files fully matched.

Ratio

The two unsigned components of a ratio.

Fields

part: u64

Ratio numerator.

total: u64

Ratio denominator.

Custom(u64)

An unsigned custom metric value.

Implementations

impl QueryExecutionMetricValue

pub const fn value_kind(&self) -> &'static str

Returns the stable JSON kind for this metric value.

Trait Implementations

impl Clone for QueryExecutionMetricValue

fn clone(&self) -> QueryExecutionMetricValue

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryExecutionMetricValue

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

Formats the value using the given formatter.

impl Eq for QueryExecutionMetricValue

impl PartialEq for QueryExecutionMetricValue

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for QueryExecutionMetricValue