Crate mz_persist_types

Types for the persist crate.

Modules

• codec_impls
  Implementations of Codec for stdlib types.
• columnar
  Columnar understanding of persisted data
• dyn_col
  Type-erased crate::columnar::Data::Col and crate::columnar::Data::Mut.
• dyn_struct
  Type erased columnar structs.
• parquet
  Parquet serialization and deserialization for persist data.
• part
  A columnar representation of one blob’s worth of data
• stats
  Aggregate statistics about data stored in persist.
• timestamp
  Stats-related timestamp code.
• txn
  Types for the persist-txn crate.

Structs

• PersistLocation
  A location in s3, other cloud storage, or otherwise “durable storage” used by persist.
• ShardId
  An opaque identifier for a persist durable TVC (aka shard).

Traits

• Codec
  Encoding and decoding operations for a type usable as a persisted key or value.
• Codec64
  Encoding and decoding operations for a type usable as a persisted timestamp or diff.
• Opaque
  An opaque fencing token used in compare_and_downgrade_since.
• StepForward
  Advance a timestamp by the least amount possible such that ts.less_than(ts.step_forward()) is true.