Struct re_view::external::re_query::LatestAtResults

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pub struct LatestAtResults {
    pub entity_path: EntityPath,
    pub query: LatestAtQuery,
    pub compound_index: (TimeInt, RowId),
    pub components: HashMap<ComponentName, UnitChunkShared, BuildHasherDefault<NoHashHasher<ComponentName>>>,
}
Expand description

Results for a latest-at query.

Use LatestAtResults::get and/or LatestAtResults::get_required in order to access the results for each individual component.

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§entity_path: EntityPath

The associated EntityPath.

§query: LatestAtQuery

The query that yielded these results.

§compound_index: (TimeInt, RowId)

The compound index of this query result.

A latest-at query is a compound operation that gathers data from many different rows. The index of that compound result corresponds to the index of most the recent row in all the sub-results, as defined by time and row-id order.

§components: HashMap<ComponentName, UnitChunkShared, BuildHasherDefault<NoHashHasher<ComponentName>>>

Results for each individual component.

Each UnitChunkShared MUST always contain the corresponding component.

Implementations§

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impl LatestAtResults

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pub fn empty(entity_path: EntityPath, query: LatestAtQuery) -> LatestAtResults

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impl LatestAtResults

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pub fn contains(&self, component_name: &ComponentName) -> bool

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pub fn get(&self, component_name: &ComponentName) -> Option<&UnitChunkShared>

Returns the UnitChunkShared for the specified Component.

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pub fn get_required( &self, component_name: &ComponentName, ) -> Result<&UnitChunkShared, QueryError>

Returns the UnitChunkShared for the specified Component.

Returns an error if the component is not present.

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pub fn index(&self) -> (TimeInt, RowId)

Returns the compound index ((TimeInt, RowId) pair) of the results.

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impl LatestAtResults

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pub fn component_row_id(&self, component_name: &ComponentName) -> Option<RowId>

Returns the RowId for the specified component.

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pub fn component_batch_raw( &self, component_name: &ComponentName, ) -> Option<Arc<dyn Array>>

Returns the raw data for the specified component.

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pub fn component_batch_with_log_level<C>( &self, log_level: Level, ) -> Option<Vec<C>>
where C: Component,

Returns the deserialized data for the specified component.

Logs at the specified log_level if the data cannot be deserialized.

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pub fn component_batch<C>(&self) -> Option<Vec<C>>
where C: Component,

Returns the deserialized data for the specified component.

Logs an error if the data cannot be deserialized.

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pub fn component_batch_quiet<C>(&self) -> Option<Vec<C>>
where C: Component,

Returns the deserialized data for the specified component.

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pub fn component_instance_raw_with_log_level( &self, log_level: Level, component_name: &ComponentName, instance_index: usize, ) -> Option<Arc<dyn Array>>

Returns the raw data for the specified component at the given instance index.

Logs at the specified log_level if the instance index is out of bounds.

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pub fn component_instance_raw( &self, component_name: &ComponentName, instance_index: usize, ) -> Option<Arc<dyn Array>>

Returns the raw data for the specified component at the given instance index.

Logs an error if the instance index is out of bounds.

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pub fn component_instance_raw_quiet( &self, component_name: &ComponentName, instance_index: usize, ) -> Option<Arc<dyn Array>>

Returns the raw data for the specified component at the given instance index.

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pub fn component_instance_with_log_level<C>( &self, log_level: Level, instance_index: usize, ) -> Option<C>
where C: Component,

Returns the deserialized data for the specified component at the given instance index.

Logs at the specified log_level if the data cannot be deserialized, or if the instance index is out of bounds.

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pub fn component_instance<C>(&self, instance_index: usize) -> Option<C>
where C: Component,

Returns the deserialized data for the specified component at the given instance index.

Logs an error if the data cannot be deserialized, or if the instance index is out of bounds.

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pub fn component_instance_quiet<C>(&self, instance_index: usize) -> Option<C>
where C: Component,

Returns the deserialized data for the specified component at the given instance index.

Returns an error if the data cannot be deserialized, or if the instance index is out of bounds.

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pub fn component_mono_raw_with_log_level( &self, log_level: Level, component_name: &ComponentName, ) -> Option<Arc<dyn Array>>

Returns the raw data for the specified component, assuming a mono-batch.

Logs at the specified log_level if the underlying batch is not of unit length.

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pub fn component_mono_raw( &self, component_name: &ComponentName, ) -> Option<Arc<dyn Array>>

Returns the raw data for the specified component, assuming a mono-batch.

Returns an error if the underlying batch is not of unit length.

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pub fn component_mono_raw_quiet( &self, component_name: &ComponentName, ) -> Option<Arc<dyn Array>>

Returns the raw data for the specified component, assuming a mono-batch.

Returns an error if the underlying batch is not of unit length.

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pub fn component_mono_with_log_level<C>(&self, log_level: Level) -> Option<C>
where C: Component,

Returns the deserialized data for the specified component, assuming a mono-batch.

Logs at the specified log_level if the data cannot be deserialized, or if the underlying batch is not of unit length.

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pub fn component_mono<C>(&self) -> Option<C>
where C: Component,

Returns the deserialized data for the specified component, assuming a mono-batch.

Logs an error if the data cannot be deserialized, or if the underlying batch is not of unit length.

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pub fn component_mono_quiet<C>(&self) -> Option<C>
where C: Component,

Returns the deserialized data for the specified component, assuming a mono-batch.

Returns none if the data cannot be deserialized, or if the underlying batch is not of unit length.

Trait Implementations§

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impl Clone for LatestAtResults

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fn clone(&self) -> LatestAtResults

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 LatestAtResults

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

Formats the value using the given formatter. Read more
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impl RangeResultsExt for LatestAtResults

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fn get_required_chunks( &self, component_name: &ComponentName, ) -> Option<Cow<'_, [Chunk]>>

Returns component data for the given component, ignores default data if the result distinguishes them. Read more
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fn get_optional_chunks( &self, component_name: &ComponentName, ) -> Cow<'_, [Chunk]>

Returns component data for the given component or an empty array. Read more
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fn iter_as( &self, timeline: Timeline, component_name: ComponentName, ) -> HybridResultsChunkIter<'_>

Returns a zero-copy iterator over all the results for the given (timeline, component) pair. Read more

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