from idx to idx 설정

private int getFromIdx(int idx) {
    return idx * IN_QRY_LIMIT_SIZE;
}

private int getToIdx(int idx, int originSize) {
    int fromIdx = getFromIdx(idx);
    int toIdx = fromIdx + IN_QRY_LIMIT_SIZE;
    if (toIdx > originSize) {
        toIdx = originSize;
    }
    return toIdx;
}