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I need to get the id of the last record in my table. I have tried:

Dao<ParticipantModel,Integer> participantDao  = getHelper().getParticipantsDao();
        participant = participantDao.query(participantDao.queryBuilder()
                 .orderBy("id", false).prepare()).get(1);

I'm not sure of how to use the QueryBuilder to get the result I'm looking for. Thanks in advance for any ideas.

In my application I do the same just add the limit(int) to prepared query like this:

Dao<ParticipantModel,Integer> participantDao  = getHelper().getParticipantsDao();
    participant = participantDao.query(participantDao.queryBuilder()
         .orderBy("id", false).limit(1L).prepare());

PHP MySQL Get Last Inserted ID, Get ID of The Last Inserted Record In the table "MyGuests", the "id" column is an AUTO_INCREMENT field: CREATE if ($conn->query($sql) === TRUE) { I'm trying to retrieve the id of one table A to insert into another table B. I cannot use last_insert_id() as i have not inserted anything into A. Any ideas on how to do this nicely?

It is more efficient to ask DBMS for maxId in request. Cause DBMS shouldn't perform sorting of rows. There is a good example in this answer

    QueryBuilder<MODEL, ID> qb = dao.queryBuilder().selectRaw("max(id)");
    String[] columns = new String[0];
    try {
        GenericRawResults<String[]> results = dao.queryRaw(qb.prepareStatementString());
        columns = results.getFirstResult();
    } catch (SQLException e) {
        e.printStackTrace();
    }
    if (columns.length == 0) {
        // NOTE: there are not any rows in table
        return 0;
    }
    return Integer.parseInt(columns[0]);

MySQL LAST_INSERT_ID Function By Practical Examples, When you insert a row into the table without specifying a value for the id column, MySQL automatically Finally, use the LAST_INSERT_ID function to get the last automatically inserted value: Second, query data form the messages table:. The following query gives you next AUTO_INCREMENT value from the selected table which you can use to get the last id. SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'user' If your currently AUTO_INCREMENT column last value is 8 and when you execute the above query on the Table this will return 9.

You can use this simply:

ParticipantModel lastItem = participantDao.queryBuilder().orderBy("id", false).limit(1L).query().get(0);

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