Module range_cache 

Utilities for the partition range scan result cache.

Structs

CacheBatchBuffer 🔒

CacheConcatState 🔒

CachedBatchSlice 🔒

Cached result for one range scan.

PartitionRangeRowGroups 🔒

Row groups and whether all sources are file-only for a partition range.

RangeScanCacheKey 🔒

Cache key for range scan outputs.

RangeScanCacheValue 🔒

ScanRequestFingerprint 🔒

Fingerprint of the scan request fields that affect partition range cache reuse.

ScanRequestFingerprintBuilder 🔒

SharedScanRequestFingerprint 🔒

Non-copiable struct of the fingerprint.

Enums

CacheConcatCommand 🔒

Constants

RANGE_CACHE_COMPACT_THRESHOLD_BYTES 🔒

RANGE_CACHE_SKIP_BYTES 🔒

Functions

build_cached_batch_slice 🔒

build_range_cache_key 🔒

Builds a cache key for the given partition range if it is eligible for caching.

cache_flat_range_stream 🔒

Wraps a stream to cache its output for future range cache hits.

cached_flat_range_stream 🔒

Returns a stream that replays cached record batches.

collect_partition_range_row_groups 🔒

Collects (file_id, row_group_index) pairs from a partition range’s row group indices.

compact_record_batches 🔒

query_time_range_covers_partition_range 🔒

run_cache_concat_task 🔒