[jOOQ/jOOQ#16520] Add AlterTableStep.add(TableElement) overload

jOOQ/src/main/java/org/jooq/AlterTableStep.java

@@ -324,6 +324,14 @@ public interface AlterTableStep {
     @Support
     AlterTableAddStep add(Field<?> field);
 
+    /**
+     * Add an <code>ADD</code> clause with multiple columns or constraints to
+     * the <code>ALTER TABLE</code> statement.
+     */
+    @NotNull @CheckReturnValue
+    @Support
+    AlterTableAddStep add(TableElement field);
+
     /**
      * Add an <code>ADD</code> clause with multiple columns or constraints to
      * the <code>ALTER TABLE</code> statement.

jOOQ/src/main/java/org/jooq/impl/AlterTableImpl.java

@@ -459,6 +459,11 @@ implements
         return addColumn(field);
     }
 
+    @Override
+    public final AlterTableImpl add(TableElement field) {
+        return add(Arrays.asList(field));
+    }
+
     @Override
     public final AlterTableImpl add(TableElement... fields) {
         return add(Arrays.asList(fields));