cdm_from_tables

cdm_from_tables(tables, cdm_name, *, cdm_version='5.3', cohort_tables=None)

Create a CDM reference from a dict of (table_name -> Ibis table or DataFrame).

For local/in-memory CDMs: if tables are pandas/pyarrow, an in-memory DuckDB is created and tables are registered there; then CDM holds Ibis refs to them.

Parameters

Name	Type	Description	Default
tables	dict[str, Any]	Mapping of table name -> Ibis table, pandas.DataFrame, or pyarrow.Table.	required
cdm_name	str	Display name for this CDM.	required
cdm_version	str or None	OMOP CDM version (default “5.3”).	'5.3'
cohort_tables	dict[str, Any] or None	Optional cohort tables to attach (name -> table).	None

Returns

Name	Type	Description
	Cdm	CDM reference (local or DuckDB-backed).