sddb.CohortManifest

class sddb.CohortManifest(schema_version: str, created_at: str, source: Source, filter: dict[str, Any], hash: str, members: DataFrame)

Serializable cohort identity: filter, member snapshot (pinned full uids) and a deterministic hash.

__init__(schema_version: str, created_at: str, source: Source, filter: dict[str, Any], hash: str, members: DataFrame) → None

Methods

__init__(schema_version, created_at, source, ...)
load(path)	Read a manifest written by write().
write(path)	Write JSON to path; members spill to a parquet sidecar when large.

Attributes

schema_version
created_at
source
filter
hash
members