liyafan82 commented on a change in pull request #10114:
URL: https://github.com/apache/arrow/pull/10114#discussion_r769612463
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File path:
java/dataset/src/test/java/org/apache/arrow/dataset/ParquetWriteSupport.java
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@@ -42,13 +43,15 @@
private final Schema avroSchema;
private final List<GenericRecord> writtenRecords = new ArrayList<>();
private final GenericRecordListBuilder recordListBuilder = new
GenericRecordListBuilder();
+ private final Random random = new Random();
Review comment:
I am not sure if it is a problem:
If we do not use a seed, the file name for each run is identical. So the
result of the previous run may be overwritten by the next run.
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