QUERY PLAN
GroupAggregate (cost=27.57..27.64 rows=4 width=29)
Group Key: number
-> Sort (cost=27.57..27.58 rows=4 width=25)
Sort Key: number
-> Seq Scan on tbl_reimbursement_invoice_numbers (cost=0.00..27.53 rows=4 width=25)
Filter: ((number IS NOT NULL) AND (number <> ''::text) AND (number = ANY ('{26337000000270459790,26957000000085294224,26117000000416820534,26117000000416816688}'::text[])))