QUERY PLAN
GroupAggregate (cost=3.07..3.50 rows=20 width=28)
Group Key: number
-> Sort (cost=3.07..3.15 rows=30 width=24)
Sort Key: number
-> Seq Scan on tbl_reimbursement_invoice_numbers (cost=0.00..2.33 rows=30 width=24)
Filter: ((number IS NOT NULL) AND (number = ANY ('{25112000000136158969,25117000001081283504,25119110025000120122,25117000001088334631}'::text[])))