Add comment explaining empty default case

Girgias · Girgias · commit f89f600d4f9a · 2021-03-15T16:39:40.000Z
diff --git a/ext/pdo/pdo_dbh.c b/ext/pdo/pdo_dbh.c
@@ -801,9 +801,8 @@ static bool pdo_dbh_attribute_set(pdo_dbh_t *dbh, zend_long attr, zval *value) /
 			}
 			return true;
 		}
-
-		default:
-			;
+		/* Don't throw a ValueError as the attribute might be a driver specific one */
+		default:;
 	}
 
 	if (!dbh->methods->set_attribute) {

Original file line number	Diff line number	Diff line change
`@@ -801,9 +801,8 @@ static bool pdo_dbh_attribute_set(pdo_dbh_t dbh, zend_long attr, zval value) /`
`801`	`801`	`}`
`802`	`802`	`return true;`
`803`	`803`	`}`
`804`		`-`
`805`		`- default:`
`806`		`- ;`
	`804`	`+ /* Don't throw a ValueError as the attribute might be a driver specific one */`
	`805`	`+ default:;`
`807`	`806`	`}`
`808`	`807`
`809`	`808`	`if (!dbh->methods->set_attribute) {`