pub struct BloomFilterIndexApplier {
region_dir: String,
region_id: RegionId,
object_store: ObjectStore,
file_cache: Option<Arc<FileCache>>,
puffin_manager_factory: PuffinManagerFactory,
puffin_metadata_cache: Option<PuffinMetadataCacheRef>,
bloom_filter_index_cache: Option<Arc<IndexCache<(FileId, ColumnId), BloomFilterMeta>>>,
predicates: HashMap<ColumnId, Vec<InListPredicate>>,
}
Expand description
BloomFilterIndexApplier
applies bloom filter predicates to the SST file.
Fields§
§region_dir: String
Directory of the region.
region_id: RegionId
ID of the region.
object_store: ObjectStore
Object store to read the index file.
file_cache: Option<Arc<FileCache>>
File cache to read the index file.
puffin_manager_factory: PuffinManagerFactory
Factory to create puffin manager.
puffin_metadata_cache: Option<PuffinMetadataCacheRef>
Cache for puffin metadata.
bloom_filter_index_cache: Option<Arc<IndexCache<(FileId, ColumnId), BloomFilterMeta>>>
Cache for bloom filter index.
predicates: HashMap<ColumnId, Vec<InListPredicate>>
Bloom filter predicates. For each column, the value will be retained only if it contains all predicates.
Implementations§
Source§impl BloomFilterIndexApplier
impl BloomFilterIndexApplier
Sourcepub fn new(
region_dir: String,
region_id: RegionId,
object_store: ObjectStore,
puffin_manager_factory: PuffinManagerFactory,
predicates: HashMap<ColumnId, Vec<InListPredicate>>,
) -> Self
pub fn new( region_dir: String, region_id: RegionId, object_store: ObjectStore, puffin_manager_factory: PuffinManagerFactory, predicates: HashMap<ColumnId, Vec<InListPredicate>>, ) -> Self
Creates a new BloomFilterIndexApplier
.
For each column, the value will be retained only if it contains all predicates.
pub fn with_file_cache(self, file_cache: Option<Arc<FileCache>>) -> Self
pub fn with_puffin_metadata_cache( self, puffin_metadata_cache: Option<PuffinMetadataCacheRef>, ) -> Self
pub fn with_bloom_filter_cache( self, bloom_filter_index_cache: Option<Arc<IndexCache<(FileId, ColumnId), BloomFilterMeta>>>, ) -> Self
Sourcepub async fn apply(
&self,
file_id: FileId,
file_size_hint: Option<u64>,
row_groups: impl Iterator<Item = (usize, bool)>,
) -> Result<Vec<(usize, Vec<Range<usize>>)>>
pub async fn apply( &self, file_id: FileId, file_size_hint: Option<u64>, row_groups: impl Iterator<Item = (usize, bool)>, ) -> Result<Vec<(usize, Vec<Range<usize>>)>>
Applies bloom filter predicates to the provided SST file and returns a list of row group ranges that match the predicates.
The row_groups
iterator provides the row group lengths and whether to search in the row group.
Sourceasync fn blob_reader(
&self,
file_id: FileId,
column_id: ColumnId,
file_size_hint: Option<u64>,
) -> Result<Option<<<<FsPuffinManager<Arc<BoundedStager<FileId>>, ObjectStorePuffinFileAccessor> as PuffinManager>::Reader as PuffinReader>::Blob as BlobGuard>::Reader>>
async fn blob_reader( &self, file_id: FileId, column_id: ColumnId, file_size_hint: Option<u64>, ) -> Result<Option<<<<FsPuffinManager<Arc<BoundedStager<FileId>>, ObjectStorePuffinFileAccessor> as PuffinManager>::Reader as PuffinReader>::Blob as BlobGuard>::Reader>>
Creates a blob reader from the cached or remote index file.
Returus None
if the column does not have an index.
Sourceasync fn cached_blob_reader(
&self,
file_id: FileId,
column_id: ColumnId,
file_size_hint: Option<u64>,
) -> Result<Option<<<<FsPuffinManager<Arc<BoundedStager<FileId>>, ObjectStorePuffinFileAccessor> as PuffinManager>::Reader as PuffinReader>::Blob as BlobGuard>::Reader>>
async fn cached_blob_reader( &self, file_id: FileId, column_id: ColumnId, file_size_hint: Option<u64>, ) -> Result<Option<<<<FsPuffinManager<Arc<BoundedStager<FileId>>, ObjectStorePuffinFileAccessor> as PuffinManager>::Reader as PuffinReader>::Blob as BlobGuard>::Reader>>
Creates a blob reader from the cached index file
fn column_blob_name(column_id: ColumnId) -> String
Sourceasync fn remote_blob_reader(
&self,
file_id: FileId,
column_id: ColumnId,
file_size_hint: Option<u64>,
) -> Result<<<<FsPuffinManager<Arc<BoundedStager<FileId>>, ObjectStorePuffinFileAccessor> as PuffinManager>::Reader as PuffinReader>::Blob as BlobGuard>::Reader>
async fn remote_blob_reader( &self, file_id: FileId, column_id: ColumnId, file_size_hint: Option<u64>, ) -> Result<<<<FsPuffinManager<Arc<BoundedStager<FileId>>, ObjectStorePuffinFileAccessor> as PuffinManager>::Reader as PuffinReader>::Blob as BlobGuard>::Reader>
Creates a blob reader from the remote index file
async fn apply_predicates<R: BloomFilterReader + Send + 'static>( &self, reader: R, predicates: &[InListPredicate], output: &mut [(usize, Vec<Range<usize>>)], ) -> Result<(), Error>
Auto Trait Implementations§
impl Freeze for BloomFilterIndexApplier
impl !RefUnwindSafe for BloomFilterIndexApplier
impl Send for BloomFilterIndexApplier
impl Sync for BloomFilterIndexApplier
impl Unpin for BloomFilterIndexApplier
impl !UnwindSafe for BloomFilterIndexApplier
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