liyafan82 commented on a change in pull request #10114:
URL: https://github.com/apache/arrow/pull/10114#discussion_r771322280
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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 mean if we do not use a seed, it amounts to always setting 0 as the
seed. So each time we run the program, we get the same random numbers (they are
just pseudo-random), and the same file names.
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