Update SQL.java

Author: intisy

src/main/java/io/github/intisy/utils/custom/SQL.java

@@ -255,7 +255,7 @@ private boolean isInvalidIdentifier(Object[] identifier) {
             if (object == null) {
                 Log.error("Invalid identifier: object is null");
                 return true;
-            } else if (!object.toString().split(" ")[0].matches("[A-Za-z0-9_]+")) {
+            } else if (!object.toString().split(" ")[0].matches("[A-Za-z0-9_-]+")) {
                 Log.error("Invalid identifier: " + object.toString().split(" ")[0]);
                 return true;
             }