QUERY PLAN
GroupAggregate (cost=2.88..3.13 rows=13 width=28)
Group Key: number
-> Sort (cost=2.88..2.92 rows=16 width=24)
Sort Key: number
-> Seq Scan on tbl_reimbursement_invoice_numbers (cost=0.00..2.56 rows=16 width=24)
Filter: ((number IS NOT NULL) AND (number = ANY ('{01100230010501690943,25112000000136158969,110023313048853276,110023313048853392,11100208115114867885,11100208115114867884}'::text[])))