Package org.apache.empire.db

Examples of org.apache.empire.db.DBCommand.orderBy()

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        {
            SampleDB db = (SampleDB) getDatabase();
            DBCommand cmd = db.createCommand();
            cmd.select(db.T_DEPARTMENTS.DEPARTMENT_ID);
            cmd.select(db.T_DEPARTMENTS.NAME);
            cmd.orderBy(db.T_DEPARTMENTS.NAME);
            return db.queryOptionList(cmd, SampleUtils.getConnection());
        }
        // base class implementation
        return super.getFieldOptions(column);
    }
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        queryCmd.select(EMP.EMPLOYEE_ID, FULL_NAME);
        queryCmd.select(EMP.GENDER, EMP.DATE_OF_BIRTH);
        queryCmd.select(DEPARTMENT);

        queryCmd.join(DEP.DEPARTMENT_ID, EMP.DEPARTMENT_ID);
        queryCmd.orderBy(EMP.FIRST_NAME);
       
        addAllConstraints(queryCmd);

        employees.initItems(queryCmd);
    }
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        cmd.select(DEP.NAME.as("DEPARTMENT"));
        cmd.select(DEP.BUSINESS_UNIT);
        cmd.join(EMP.DEPARTMENT_ID, DEP.DEPARTMENT_ID);
        // Set constraints and order
        cmd.where(EMP.LASTNAME.length().isGreaterThan(0));
        cmd.orderBy(EMP.LASTNAME, EMP.FIRSTNAME);

        /*
        // Example for limitRows() and skipRows()
        if (db.getDriver().isSupported(DBDriverFeature.QUERY_LIMIT_ROWS))
        {  // set maximum number of rows
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        {
            SampleDB db = getDatabase();
            DBCommand cmd = db.createCommand();
            cmd.select(db.T_DEPARTMENTS.C_DEPARTMENT_ID);
            cmd.select(db.T_DEPARTMENTS.C_NAME);
            cmd.orderBy(db.T_DEPARTMENTS.C_NAME.asc());
            departments = db.queryOptionList(cmd.getSelect(), getConnection());
        }
        return departments;
    }
   
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            cmd.where(EMP.C_FIRSTNAME.likeUpper( si.getFirstName()+"%" )
                  .or(EMP.C_FIRSTNAME.is(null)));
        if (StringUtils.isValid( si.getLastName()) )
            cmd.where(EMP.C_LASTNAME.likeUpper( si.getLastName()+"%" ));
       
        cmd.orderBy(EMP.C_LASTNAME);
        cmd.orderBy(EMP.C_FIRSTNAME);
       
        // Init BeanList
        if (!employeeBeanList.initBeanList(cmd))
        {
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                  .or(EMP.C_FIRSTNAME.is(null)));
        if (StringUtils.isValid( si.getLastName()) )
            cmd.where(EMP.C_LASTNAME.likeUpper( si.getLastName()+"%" ));
       
        cmd.orderBy(EMP.C_LASTNAME);
        cmd.orderBy(EMP.C_FIRSTNAME);
       
        // Init BeanList
        if (!employeeBeanList.initBeanList(cmd))
        {
            setActionError(employeeBeanList);
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    cmd.select(DEP.NAME.as("DEPARTMENT"));
    cmd.select(DEP.BUSINESS_UNIT);
    cmd.join(EMP.DEPARTMENT_ID, DEP.DEPARTMENT_ID);
        // Set constraints and order
        cmd.where(EMP.LASTNAME.length().isGreaterThan(0));
        cmd.orderBy(EMP.LASTNAME, EMP.FIRSTNAME);
       
    // Query Records and print output
    DBReader reader = new DBReader();
    try
        {
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    cmd.select(DEP.NAME.as("DEPARTMENT"));
    cmd.select(DEP.BUSINESS_UNIT);
    cmd.join(EMP.DEPARTMENT_ID, DEP.DEPARTMENT_ID);
        // Set constraints and order
        cmd.where(EMP.LASTNAME.length().isGreaterThan(0));
        cmd.orderBy(EMP.LASTNAME, EMP.FIRSTNAME);

    // Query Records and print output
    DBReader reader = new DBReader();
    try
        {
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            // STEP 7: read from Employee_Info_View
            System.out.println("*** read from EMPLOYEE_INFO_VIEW ***");
            DBCommand cmd = db.createCommand();
            cmd.select (db.V_EMPLOYEE_INFO.getColumns());
            cmd.orderBy(db.V_EMPLOYEE_INFO.C_NAME_AND_DEP);
            printQueryResults(cmd, conn);

            // STEP 8: bulkReadRecords
            System.out.println("*** bulkReadRecords: reads employee records into a hashmap, reads employee from hashmap and updates employee ***");
            HashMap<Integer, DBRecord> employeeMap = bulkReadRecords(conn);
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        cmd.join(T_EMP.C_EMPLOYEE_ID, T_EDH.C_EMPLOYEE_ID);
        cmd.join(T_DEP.C_DEPARTMENT_ID, T_EDH.C_DEPARTMENT_ID);
        // Set Constraints
        cmd.where(T_EMP.C_RETIRED.is(false));
        // Set Order
        cmd.orderBy(T_EMP.C_LASTNAME);
        cmd.orderBy(T_EMP.C_FIRSTNAME);

        // Query Records and print output
        printQueryResults(cmd, conn);
       
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