schemas/vegbien.sql: taxonconcept: taxonconcept_update_ancestors() trigger: Fixed bug where matched_concept_id needed to be changed to NULL when equal to taxonconcept_id, to avoid including the node itself with its parent's ancestors (which would violate the taxonconcept_ancestor pkey)
schemas/vegbien.sql: taxonconcept: taxonconcept_update_ancestors() trigger: Fixed bug where matched_concept_id needed to be changed to NULL when equal to taxonconcept_id, to avoid including the node itself with its parent's ancestors (which would violate the taxonconcept_ancestor pkey)