QUERY PLAN
GroupAggregate (cost=0.00..24.90 rows=1 width=29)
Group Key: number
-> Seq Scan on tbl_reimbursement_invoice_numbers (cost=0.00..24.88 rows=1 width=25)
Filter: ((number IS NOT NULL) AND (number <> ''::text) AND (number = '26117000000767337317'::text))