private static String getWhereType(int type) {
        String query;
        switch (type) {
            case WHERE_TYPE_GREATER:
                query = ">";
                break;
            case WHERE_TYPE_LESSER:
                query = "<";
                break;
            case WHERE_TYPE_GREATER_OR_EQUAL:
                query = ">=";
                break;
            case WHERE_TYPE_LESSER_OR_EQUAL:
                query = "<=";
                break;
            default:
                query = "=";
        }
        return query;
    }