rubbish-db / チュートリアル / DAOを自動生成する / 件数取得

[ rubbish-db ]

DAO

• DAO

ソース

public void sample_dao_count() throws Exception {
    RubbishDatabase dbh = new RubbishDatabase();
    dbh.setLogging(true);

    dbh.connect("jdbc:hsqldb:hsql://localhost", "sa", "");
    DAOFactory factory = new DAOFactory(dbh, "C:/eclipse/workspace/rubbish-db/sample/src/sample/hsqldb/dao");

    BookDAO bookDAO = (BookDAO) factory._new(BookDAO.class);

    println("----------");

    int rows01 = bookDAO.countByPK("06", "002");
    println("rows=" + rows01);

    println("----------");

    Integer rows02 = bookDAO.countByPublisher("04");
    println("rows=" + rows02);

    println("----------");

    int rows03 = bookDAO.countById("001");
    println("rows=" + rows03);

    println("----------");

    int rows04 = bookDAO.countByPublisherAuthorIssue_date("05", "竹乃元秀路", null);
    println("rows=" + rows04);

    println("----------");

    dbh.disconnect();
}

結果

connect database 'url=jdbc:hsqldb:hsql://localhost, user=sa, password='.
----------
'SELECT COUNT(*) FROM BOOK WHERE PUBLISHER = ? AND ID = ? [06, 002]'
rows=1
----------
'SELECT COUNT(*) FROM BOOK WHERE PUBLISHER = ? [04]'
rows=12
----------
'SELECT COUNT(*) FROM BOOK WHERE ID = ? [001]'
rows=6
----------
'SELECT COUNT(*) FROM BOOK WHERE PUBLISHER = ? AND AUTHOR = ? AND ISSUE_DATE IS NULL [05, 竹乃元秀路]'
rows=1
----------
disconnect database.