Module wal 

WAL segment envelopes, records, and codecs.

Structs

WalCommitDelta

Associates a materialized WAL delta with the semantic operation that produced it.

WalCommitPayload

Carries one accepted logical commit inside a WAL segment.

WalInlineContent

Carries bytes named by a revision delta in the same commit.

WalSegmentPayload

Carries the namespace identity, numbered range, and commits stored in one WAL object.

Enums

WalDelta

Records one replayable metadata mutation materialized from a semantic commit operation.

WalEnvelopeKind

Identifies the durable payload family carried by a WAL envelope.

Constants

MAX_WAL_INLINE_CONTENT_BYTES

Reader limit per inline value in Appendix A.5; writer thresholds are policy at or below this limit.

MAX_WAL_SEGMENT_BYTES

Largest decompressed WAL document allowed by Appendix A.5.

MAX_WAL_SEGMENT_INLINE_CONTENT_BYTES

Reader limit for total inline bytes in one WAL segment in Appendix A.5; writer thresholds are policy at or below this limit.

WAL_FORMAT_VERSION

Version 1: a zstd-compressed CBOR envelope document carrying the payload as an opaque CBOR byte string. payload_checksum covers exactly those bytes, and delta/precondition tags use the snake_case names the format spec fixes (“Standard mutation operations” and “Preconditions”).

WAL_SEGMENT_OVERHEAD_BYTES

Upper bound for the document and payload fields outside commit records.

Functions

decode_wal_segment_envelope_zstd

Decodes and verifies a durable zstd-compressed WAL segment envelope.

encode_wal_segment_envelope_zstd

Encodes a WAL payload once, then checksums and compresses its durable document.

Type Aliases

WalSegmentEnvelope

A WAL segment decoded through its checked durable codec.