QUERY PLAN
Limit (cost=36.16..36.16 rows=2 width=140)
-> Sort (cost=36.16..36.16 rows=2 width=140)
Sort Key: ii.id
-> Nested Loop Left Join (cost=0.28..36.15 rows=2 width=140)
-> Seq Scan on tbl_implement_items ii (cost=0.00..19.55 rows=2 width=114)
Filter: (implement_record_id = 6669)
-> Index Scan using tbl_products_pkey on tbl_products p (cost=0.28..8.29 rows=1 width=30)
Index Cond: (id = ii.product_id)