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

org.apache.empire.db.DBCommand.where()
Adds a compare expression to the list of constraints. If another restriction already exists for the same column it will be replaced. @param expr the DBCompareExpr object

    }
    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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    private Map<Object, Object> get(DBTable table, int pk) {
        Connection conn = getConnection();


        DBCommand cmd = db.createCommand();
        cmd.select(table.getColumns());
        cmd.where(table.getPrimaryKey().getColumns()[0].is(pk)); //i know there is just one pk-column ;-)
        DBReader reader = openReader(cmd, conn);
        Map<Object, Object> dep = null;
        if (reader.moveNext()) {
            dep = new HashMap<Object, Object>();
            for (DBColumn col : table.getColumns()) {

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        // Define shortcuts for tables used - not necessary but convenient
        SampleAdvDB.Employees EMP = T_EMP;
        // Select required columns
        cmd.select(T_EMP.getColumns());
        // Set Constraints
        cmd.where(T_EMP.C_RETIRED.is(false));


        // Query Records and print output
        DBReader reader = new DBReader();
        try
        {

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        // Define the query
        DBCommand cmd = db.createCommand();
        // Select required columns
        cmd.select(T_EMP.getColumns());
        // Set Constraints
        cmd.where(T_EMP.C_RETIRED.is(false));


        // Query Records and print output
        DBReader reader = new DBReader();
        try
        {   // Open Reader

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        cmd.join(T_EDH.C_EMPLOYEE_ID, Q_MAX_DATE.findQueryColumn(T_EDH.C_EMPLOYEE_ID))
          .where(T_EDH.C_DATE_FROM.is(Q_MAX_DATE.findQueryColumn(MAX_DATE_FROM)));
        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

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            for (Object[] item : items)
            {
                keys[i++] = StringUtils.arrayToString(item, "");
            }
            if (isInvertSelection())
                cmd.where(keyExpr.notIn(keys));
            else
                cmd.where(keyExpr.in(keys));
        }
        // clear previous settings without the where causes
        cmd.clearSelect();

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                keys[i++] = StringUtils.arrayToString(item, "");
            }
            if (isInvertSelection())
                cmd.where(keyExpr.notIn(keys));
            else
                cmd.where(keyExpr.in(keys));
        }
        // clear previous settings without the where causes
        cmd.clearSelect();
        cmd.clearGroupBy();
        return cmd;

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        cmd.join  (DEP.C_DEPARTMENT_ID, EMP.C_DEPARTMENT_ID);


        // Set filter constraints
        SearchInfo si = getSearchInfo();
        if (si.getDepartmentId()!=null)
            cmd.where(EMP.C_DEPARTMENT_ID.is(si.getDepartmentId()));
        if (StringUtils.isNotEmpty( si.getFirstName()) )
            cmd.where(EMP.C_FIRSTNAME.likeUpper( si.getFirstName()+"%" )
                  .or(EMP.C_FIRSTNAME.is(null)));
        if (StringUtils.isNotEmpty( si.getLastName()) )
            cmd.where(EMP.C_LASTNAME.likeUpper( si.getLastName()+"%" ));

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        // Set filter constraints
        SearchInfo si = getSearchInfo();
        if (si.getDepartmentId()!=null)
            cmd.where(EMP.C_DEPARTMENT_ID.is(si.getDepartmentId()));
        if (StringUtils.isNotEmpty( si.getFirstName()) )
            cmd.where(EMP.C_FIRSTNAME.likeUpper( si.getFirstName()+"%" )
                  .or(EMP.C_FIRSTNAME.is(null)));
        if (StringUtils.isNotEmpty( si.getLastName()) )
            cmd.where(EMP.C_LASTNAME.likeUpper( si.getLastName()+"%" ));
        
        cmd.orderBy(EMP.C_LASTNAME);

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            cmd.where(EMP.C_DEPARTMENT_ID.is(si.getDepartmentId()));
        if (StringUtils.isNotEmpty( si.getFirstName()) )
            cmd.where(EMP.C_FIRSTNAME.likeUpper( si.getFirstName()+"%" )
                  .or(EMP.C_FIRSTNAME.is(null)));
        if (StringUtils.isNotEmpty( si.getLastName()) )
            cmd.where(EMP.C_LASTNAME.likeUpper( si.getLastName()+"%" ));
        
        cmd.orderBy(EMP.C_LASTNAME);
        cmd.orderBy(EMP.C_FIRSTNAME);
        
        // Init BeanList

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