@Test
    public void testBuildAddColumnStatement() {
        for (Entry<Integer, Column> kv : allTypes2Columns.entrySet()) {
            Assert.assertEquals(addColumnStatements.get(kv.getKey()),
                    helper.buildAddColumnStatement(Collections.singletonList(new AlterColumn(
                            AlterType.ADD_COLUMN, kv.getValue(), null))));
        }
    }
Test for {@link OperationHelper#buildAddColumnStatement(List)}
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/doris/src/test/java/org/apache/inlong/sort/doris/schema/OperationHelperTest.java