[RocksDB] Reverse search

Posted on 2025 年 02 月 14 日 by cowman.chiang

To get a reverse order list, assume prefix is ​​set and startRow is not specified.
We need to add the startRow to the maximum value of the character for positioning

if (startRow != null) {
    scanObj.setStartRow(startRow);
} else if (request.isReverse()) {
    scanObj.setStartRow(request.getActivityId() + Constants.DIVIDER + Character.MAX_VALUE);
}
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