sajjad-moradi commented on code in PR #8911:
URL: https://github.com/apache/pinot/pull/8911#discussion_r922888568
##########
pinot-core/src/main/java/org/apache/pinot/core/query/executor/ServerQueryExecutorV1Impl.java:
##########
@@ -195,19 +198,35 @@ private DataTable processQueryInternal(ServerQueryRequest
queryRequest, Executor
// Gather stats for realtime consuming segments
int numConsumingSegments = 0;
- long minIndexTimeMs = Long.MAX_VALUE;
- long minIngestionTimeMs = Long.MAX_VALUE;
- for (IndexSegment indexSegment : indexSegments) {
- if (indexSegment instanceof MutableSegment) {
- numConsumingSegments += 1;
- SegmentMetadata segmentMetadata = indexSegment.getSegmentMetadata();
- long indexTimeMs = segmentMetadata.getLastIndexedTimestamp();
- if (indexTimeMs != Long.MIN_VALUE && indexTimeMs < minIndexTimeMs) {
- minIndexTimeMs = indexTimeMs;
- }
- long ingestionTimeMs = segmentMetadata.getLatestIngestionTimestamp();
- if (ingestionTimeMs != Long.MIN_VALUE && ingestionTimeMs <
minIngestionTimeMs) {
- minIngestionTimeMs = ingestionTimeMs;
+ int numOnlineSegments = 0;
+ long minIndexTimeMs = 0;
+ long minIngestionTimeMs = 0;
+ long maxEndTimeMs = 0;
+ if (tableDataManager instanceof RealtimeTableDataManager) {
+ numConsumingSegments = 0;
+ numOnlineSegments = 0;
+ minIndexTimeMs = Long.MAX_VALUE;
+ minIngestionTimeMs = Long.MAX_VALUE;
+ maxEndTimeMs = Long.MIN_VALUE;
+ for (IndexSegment indexSegment : indexSegments) {
+ if (indexSegment instanceof MutableSegment) {
+ numConsumingSegments += 1;
+ SegmentMetadata segmentMetadata = indexSegment.getSegmentMetadata();
+ long indexTimeMs = segmentMetadata.getLastIndexedTimestamp();
+ if (indexTimeMs != Long.MIN_VALUE && indexTimeMs < minIndexTimeMs) {
+ minIndexTimeMs = indexTimeMs;
+ }
+ long ingestionTimeMs = segmentMetadata.getLatestIngestionTimestamp();
+ if (ingestionTimeMs != Long.MIN_VALUE && ingestionTimeMs <
minIngestionTimeMs) {
+ minIngestionTimeMs = ingestionTimeMs;
+ }
+ } else if (indexSegment instanceof ImmutableSegment) {
+ SegmentMetadata segmentMetadata = indexSegment.getSegmentMetadata();
+ Interval timeInterval = segmentMetadata.getTimeInterval();
+ numOnlineSegments++;
+ if (timeInterval != null) {
+ maxEndTimeMs = Math.max(maxEndTimeMs, timeInterval.getEndMillis());
Review Comment:
I was actually talking about immutable segments, not mutable ones!
The values for `startTimeString` and `endTimeString` variables are taken
from the min and max value of the time column:
```java
SegmentColumnarIndexCreator.writeMetadata() {
...
if (_config.getStartTime() != null) {
startTime = Long.parseLong(_config.getStartTime());
endTime = Long.parseLong(_config.getEndTime());
timeUnit =
Preconditions.checkNotNull(_config.getSegmentTimeUnit());
} else {
if (_totalDocs > 0) {
HERE-> String startTimeStr =
timeColumnIndexCreationInfo.getMin().toString();
HERE-> String endTimeStr =
timeColumnIndexCreationInfo.getMax().toString();
if (_config.getTimeColumnType() ==
SegmentGeneratorConfig.TimeColumnType.SIMPLE_DATE) {
// For TimeColumnType.SIMPLE_DATE_FORMAT, convert time value
into millis since epoch
// Use DateTimeFormatter from DateTimeFormatSpec to handle
default time zone consistently.
DateTimeFormatSpec formatSpec =
_config.getDateTimeFormatSpec();
Preconditions.checkNotNull(formatSpec, "DateTimeFormatSpec
must exist for SimpleDate");
DateTimeFormatter dateTimeFormatter =
formatSpec.getDateTimeFormatter();
startTime = dateTimeFormatter.parseMillis(startTimeStr);
endTime = dateTimeFormatter.parseMillis(endTimeStr);
timeUnit = TimeUnit.MILLISECONDS;
} else {
// by default, time column type is TimeColumnType.EPOCH
startTime = Long.parseLong(startTimeStr);
endTime = Long.parseLong(endTimeStr);
timeUnit =
Preconditions.checkNotNull(_config.getSegmentTimeUnit());
}
} else {
// No records in segment. Use current time as start/end
long now = System.currentTimeMillis();
if (_config.getTimeColumnType() ==
SegmentGeneratorConfig.TimeColumnType.SIMPLE_DATE) {
startTime = now;
endTime = now;
timeUnit = TimeUnit.MILLISECONDS;
} else {
timeUnit =
Preconditions.checkNotNull(_config.getSegmentTimeUnit());
startTime = timeUnit.convert(now, TimeUnit.MILLISECONDS);
endTime = timeUnit.convert(now, TimeUnit.MILLISECONDS);
}
}
}
if (!_config.isSkipTimeValueCheck()) {
Interval timeInterval =
new Interval(timeUnit.toMillis(startTime),
timeUnit.toMillis(endTime), DateTimeZone.UTC);
Preconditions.checkState(TimeUtils.isValidTimeInterval(timeInterval),
"Invalid segment start/end time: %s (in millis: %s/%s) for
time column: %s, must be between: %s",
timeInterval, timeInterval.getStartMillis(),
timeInterval.getEndMillis(), timeColumnName,
TimeUtils.VALID_TIME_INTERVAL);
}
HERE-> properties.setProperty(SEGMENT_START_TIME, startTime);
HERE-> properties.setProperty(SEGMENT_END_TIME, endTime);
```
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