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QueryMetadata

laminar_core::compiler::metrics

Struct QueryMetadata 

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pub struct QueryMetadata {
    pub plan_time: Duration,
    pub extract_time: Duration,
    pub compile_time: Duration,
    pub compiled_pipeline_count: usize,
    pub fallback_pipeline_count: usize,
    pub jit_enabled: bool,
}
Expand description

Metadata about how a query was compiled.

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§plan_time: Duration

Time spent planning the query.

§extract_time: Duration

Time spent extracting pipelines from the logical plan.

§compile_time: Duration

Time spent compiling pipelines via Cranelift.

§compiled_pipeline_count: usize

Number of pipelines successfully compiled to native code.

§fallback_pipeline_count: usize

Number of pipelines using fallback (interpreted) execution.

§jit_enabled: bool

Whether JIT was enabled for this compilation.

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impl QueryMetadata

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pub fn total_pipelines(&self) -> usize

Returns the total number of pipelines (compiled + fallback).

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impl Clone for QueryMetadata

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fn clone(&self) -> QueryMetadata

Returns a duplicate 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 QueryMetadata

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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 Default for QueryMetadata

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fn default() -> QueryMetadata

Returns the “default value” for a type. Read more

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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🔬This is a nightly-only experimental API. (clone_to_uninit)
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