QUERY PLAN
GroupAggregate (cost=650.92..651.19 rows=12 width=44)
Group Key: c.project_id
-> Sort (cost=650.92..650.95 rows=12 width=20)
Sort Key: c.project_id
-> Hash Right Join (cost=606.00..650.70 rows=12 width=20)
Hash Cond: (tbl_pre_sales.case_id = c.id)
-> HashAggregate (cost=104.58..128.85 rows=1618 width=20)
Group Key: tbl_pre_sales.case_id
-> Seq Scan on tbl_pre_sales (cost=0.00..88.30 rows=1628 width=24)
Filter: (NOT is_draft)
-> Hash (cost=501.27..501.27 rows=12 width=8)
-> Seq Scan on tbl_cases c (cost=0.00..501.27 rows=12 width=8)
Filter: ((case_type = 1) AND (project_id = ANY ('{4102,4095,4093,4085,4090,4089,4049,4041,4027,4020,4001,3997,3996,3994,3988,3983,3954,3915,3880,3878}'::integer[])))