@Override
    public String getTableAlias() {
        return ast.getAlias();
    }
@Test
    public void testGetTableAlias() {
        String sql = "INSERT INTO t (id) values (?)";
        SQLStatement ast = getSQLStatement(sql);

        SqlServerInsertRecognizer recognizer = new SqlServerInsertRecognizer(sql, ast);
        Assertions.assertNull(recognizer.getTableAlias());

        sql = "INSERT INTO t t1 (id) values (?)";
        ast = getSQLStatement(sql);

        recognizer = new SqlServerInsertRecognizer(sql, ast);
        Assertions.assertEquals("t1", recognizer.getTableAlias());
    }