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[MINOR] Make QuickstartUtil generate random timestamp instead of 0 #2340

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Merged
yanghua merged 1 commit into from
Dec 17, 2020
Merged

[MINOR] Make QuickstartUtil generate random timestamp instead of 0 #2340

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13 changes: 12 additions & 1 deletion hudi-spark-datasource/hudi-spark/src/main/java/org/apache/hudi/QuickstartUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -121,11 +121,22 @@ public static GenericRecord generateGenericRecord(String rowKey, String riderNam
*/
public static OverwriteWithLatestAvroPayload generateRandomValue(HoodieKey key, String riderDriverSuffix)
throws IOException {
// The timestamp generated is limited to range from 7 days before to now, to avoid generating too many
// partitionPaths when user use timestamp as partitionPath filed.
GenericRecord rec =
generateGenericRecord(key.getRecordKey(), "rider-" + riderDriverSuffix, "driver-" + riderDriverSuffix, 0);
generateGenericRecord(key.getRecordKey(), "rider-" + riderDriverSuffix, "driver-"
+ riderDriverSuffix, generateRangeRandomTimestamp(7));
return new OverwriteWithLatestAvroPayload(Option.of(rec));
}

/**
* Generate timestamp range from {@param daysTillNow} before to now.
*/
private static long generateRangeRandomTimestamp(int daysTillNow) {
long maxIntervalMillis = daysTillNow * 24 * 60 * 60 * 1000L;
return System.currentTimeMillis() - (long)(Math.random() * maxIntervalMillis);
}

/**
* Generates new inserts, uniformly across the partition paths above. It also updates the list of existing keys.
*/
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