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feat: Implement get on ReadBufferCache

pull/24376/head
Carol (Nichols || Goulding) 2022-05-25 15:22:37 -04:00
parent 25b8260b72
commit 04531e77dd
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1 changed files with 8 additions and 3 deletions
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11
querier/src/cache/read_buffer.rs vendored
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@ -20,7 +20,7 @@ const CACHE_ID: &str = "read_buffer";
/// Cache for parquet file data decoded into read buffer chunks /// Cache for parquet file data decoded into read buffer chunks
#[derive(Debug)] #[derive(Debug)]
pub struct ReadBufferCache { pub struct ReadBufferCache {
_cache: Cache<ParquetFileId, Arc<RBChunk>>, cache: Cache<ParquetFileId, Arc<RBChunk>>,
/// Handle that allows clearing entries for existing cache entries /// Handle that allows clearing entries for existing cache entries
_backend: SharedBackend<ParquetFileId, Arc<RBChunk>>, _backend: SharedBackend<ParquetFileId, Arc<RBChunk>>,
@ -61,9 +61,14 @@ impl ReadBufferCache {
// get a direct handle so we can clear out entries as needed // get a direct handle so we can clear out entries as needed
let _backend = SharedBackend::new(backend); let _backend = SharedBackend::new(backend);
let _cache = Cache::new(loader, Box::new(_backend.clone())); let cache = Cache::new(loader, Box::new(_backend.clone()));
Self { _cache, _backend } Self { cache, _backend }
}
/// Get read buffer chunks by Parquet file id
pub async fn get(&self, parquet_file_id: ParquetFileId) -> Arc<RBChunk> {
self.cache.get(parquet_file_id).await
} }
} }