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.

Attributes table

schema_version
created_at
source
filter
hash
members

Methods table

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: str

created_at: str

source: Source

filter: dict[str, Any]

hash: str

members: DataFrame

Methods

classmethod load(path: str | Path) → CohortManifest

Read a manifest written by write().

write(path: str | Path) → Path

Write JSON to path; members spill to a parquet sidecar when large. Returns the path.