salix/print/templates/reports/invoiceIn/sql/invoice.sql

SELECT
        i.supplierRef,
        s.id supplierId,
        i.issued,
        s.name,
        s.street AS postalAddress,
        s.nif,
        s.phone,
        p.name payMethod
	FROM invoiceIn i
		JOIN supplier s ON s.id = i.supplierFk
		JOIN company c ON c.id = i.companyFk
        JOIN payMethod p ON p.id = s.payMethodFk
    WHERE i.id = ?