npawar commented on a change in pull request #5324:
URL: https://github.com/apache/incubator-pinot/pull/5324#discussion_r419717201
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File path:
pinot-core/src/main/java/org/apache/pinot/core/data/function/DateTimeFunctions.java
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@@ -35,9 +63,79 @@ static Long toEpochHours(Long millis) {
}
/**
- * Convert epoch millis to epoch minutes, bucketed by given bucket
granularity
+ * Convert epoch millis to epoch hours, bucketed by given bucket granularity
*/
- static Long toEpochMinutes(Long millis, String bucket) {
- return TimeUnit.MILLISECONDS.toMinutes(millis) / Integer.parseInt(bucket);
+ static Long toEpochHoursBucket(Long millis, String bucket) {
Review comment:
As per our offline conversation, we now have toEpochXXX,
toEpochXXXRounded, toEpochXXXBucket. For example,
1) toEpochSeconds(millis) - converts from millis to epoch seconds
2) toEpochSecondsRounded (millis, 10) - converts from millis to epoch
seconds, and rounds to the smaller 10th value i.e. (seconds/10) * 10
3) toEpochSecondsBucket(millis, 10) - converts from millis to epoch seconds
and divides by bucket, to get tenSecondsFromEpoch i.e. seconds / 10
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