in backend/src/main/java/org/apache/iotdb/admin/controller/IotDBController.java [1241:1274]
private String getTTL(Long time) {
long yearTime = 31104000000L;
long monthTime = 2592000000L;
long weekTime = 604800000L;
long dayTime = 86400000L;
long hourTime = 3600000L;
long minuteTime = 60000L;
long secondTime = 1000L;
if (time == 0) {
return "millisecond";
}
if ((time / yearTime != 0) && (time % yearTime == 0)) {
return "year";
}
if ((time / monthTime != 0) && (time % monthTime == 0)) {
return "month";
}
if ((time / weekTime != 0) && (time % weekTime == 0)) {
return "week";
}
if ((time / dayTime != 0) && (time % dayTime == 0)) {
return "day";
}
if ((time / hourTime != 0) && (time % hourTime == 0)) {
return "hour";
}
if ((time / minuteTime != 0) && (time % minuteTime == 0)) {
return "minute";
}
if ((time / secondTime != 0) && (time % secondTime == 0)) {
return "second";
}
return "millisecond";
}