db/routines/vn/procedures/invoiceInTax_recalc.sql

@@ -10,22 +10,15 @@ BEGIN
  * @param vInvoiceInFk Id de factura recibida
  */
 	DECLARE vRate DOUBLE DEFAULT 1;
-	DECLARE vDated DATE;
-	DECLARE vCurrencyFk INT;
 	DECLARE vExpenseFk VARCHAR(10);
 
-	SELECT MAX(rr.dated), ii.currencyFk INTO vDated, vCurrencyFk
+	SELECT `value` INTO vRate
 		FROM referenceRate rr
 			JOIN invoiceIn ii ON ii.id = vInvoiceInFk
 		WHERE rr.dated <= ii.issued
-			AND rr.currencyFk = ii.currencyFk;
-
-	IF vDated AND vCurrencyFk THEN
-		SELECT `value` INTO vRate
-			FROM referenceRate
-			WHERE dated = vDated
-				AND currencyFk = vCurrencyFk;
-	END IF;
+			AND rr.currencyFk = ii.currencyFk
+		ORDER BY dated DESC
+		LIMIT 1;
 
 	DELETE FROM invoiceInTax WHERE invoiceInFk = vInvoiceInFk;