def delete_test_ontology_terms_data():
on_terms = SESSION.query(OntologyTerm).all()
# each OntologyTerm needs to be deleted individually in order to delete
# the associated records from table 'on_pairs';
# bulk deleting all OntologyTerm instances doesn't delete the records in 'on_pairs'
for term in on_terms:
SESSION.delete(term)
def delete_genes_test_data():
genes = SESSION.query(Gene).all()
# each Gene needs to be deleted individually in order to delete
# the associated records from table 'gene_ontology_map';
# bulk deleting all Gene instances doesn't delete the records in 'gene_ontology_map'
for gene in genes:
SESSION.delete(gene)