Struct QueryStreamMetrics 

pub struct QueryStreamMetrics {
    pub row_count: u64,
    pub chunk_count: u64,
    pub total_bytes: u64,
}

QueryStream 执行过程中的共享统计信息。 Shared metrics produced during QueryStream execution.

Fields

row_count: u64

返回行数。 Number of rows returned.

chunk_count: u64

chunk 数量。 Number of emitted chunks.

total_bytes: u64

总字节数。 Total emitted byte size.

Trait Implementations

impl Clone for QueryStreamMetrics

fn clone(&self) -> QueryStreamMetrics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryStreamMetrics

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

Formats the value using the given formatter.

impl PartialEq for QueryStreamMetrics

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl Copy for QueryStreamMetrics

impl Eq for QueryStreamMetrics

impl StructuralPartialEq for QueryStreamMetrics