| HashAggregate (cost=17.60..17.79 rows=19 width=48) |
| Group Key: dg.id |
| -> Hash Left Join (cost=1.43..15.35 rows=450 width=286) |
| Hash Cond: (d.document_type_id = dg.id) |
| -> Seq Scan on tbl_documents d (cost=0.00..12.50 rows=450 width=12) |
| -> Hash (cost=1.19..1.19 rows=19 width=278) |
| -> Seq Scan on tbl_document_types dg (cost=0.00..1.19 rows=19 width=278) |