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Posted to commits@hudi.apache.org by "hong dongdong (Jira)" <ji...@apache.org> on 2019/11/28 09:09:00 UTC
[jira] [Created] (HUDI-374) Unable to generateUpdates in
QuickstartUtils
hong dongdong created HUDI-374:
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Summary: Unable to generateUpdates in QuickstartUtils
Key: HUDI-374
URL: https://issues.apache.org/jira/browse/HUDI-374
Project: Apache Hudi (incubating)
Issue Type: Bug
Components: Spark datasource
Reporter: hong dongdong
{code:java}
scala> convertToStringList(dataGen.generateInserts(1))
res0: java.util.List[String] = [{"ts": 0.0, "uuid": "78956d3a-c13b-4871-8b14-596b2a7e11d9", "rider": "rider-213", "driver": "driver-213", "begin_lat": 0.4726905879569653, "begin_lon": 0.46157858450465483, "end_lat": 0.754803407008858, "end_lon": 0.9671159942018241, "fare": 34.158284716382845, "partitionpath": "americas/brazil/sao_paulo"}]
scala> convertToStringList(dataGen.generateUpdates(1))
java.lang.IllegalArgumentException: bound must be positive
at java.util.Random.nextInt(Random.java:388)
at org.apache.hudi.QuickstartUtils$DataGenerator.generateUpdates(QuickstartUtils.java:163)
... 73 elided
{code}
When `numExistingKeys = 1`, `rand.nextInt(numExistingKeys - 1 )` is equivalent to `rand.nextInt(0)` and bound of nextInt() must be positive. On the other hand, the range of nextInt is [0, numExistingKeys), rand.nextInt(numExistingKeys) here is right.
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