QUERY PLAN
GroupAggregate (cost=4.99..5.25 rows=14 width=28)
Group Key: number
-> Sort (cost=4.99..5.03 rows=16 width=24)
Sort Key: number
-> Seq Scan on tbl_reimbursement_invoice_numbers (cost=0.00..4.67 rows=16 width=24)
Filter: ((number IS NOT NULL) AND (number = ANY ('{11100208115114867885,11100208115114867884,25112000000136158969,84365954825680828744}'::text[])))