QUERY PLAN
Sort (cost=16.54..16.54 rows=1 width=99)
Sort Key: pt.id
-> Nested Loop Left Join (cost=0.44..16.53 rows=1 width=99)
-> Index Scan using tbl_term_taxonomy_relationships_object_id_term_id_idx on tbl_term_taxonomy_relationships pt (cost=0.29..8.31 rows=1 width=51)
Index Cond: ((object_id = 2) AND (term_id = 20))
-> Index Scan using tbl_term_taxonomies_pkey on tbl_term_taxonomies tt (cost=0.15..8.17 rows=1 width=22)
Index Cond: (pt.taxonomy_id = id)