Resolve Concept Ancestors from Hierarchy Transitive Closure — get_concept_ancestors • omopduckdb

Navigates upward through polyhierarchies in concept_ancestor to find broader concept classes.

Usage

get_concept_ancestors(
  con,
  descendant_concept_ids,
  include_self = TRUE,
  min_levels_of_separation = 0,
  max_levels_of_separation = NULL
)

Arguments

con: Active DuckDB DBI connection.
descendant_concept_ids: Integer vector of descendant concept IDs.
include_self: Logical. If TRUE (default), includes 0-level self mappings.
min_levels_of_separation: Integer. Minimum hierarchy separation level (default 0).
max_levels_of_separation: Integer or NULL. Maximum hierarchy separation level.

Value

A data.frame containing ancestor concept details.