[GitHub] [spark] HyukjinKwon commented on a diff in pull request #36864: [SPARK-39463][CORE][TESTS] Use `UUID` for test database location in `JavaJdbcRDDSuite`

[GitBox <gi...@apache.org>]

HyukjinKwon commented on code in PR #36864:
URL: https://github.com/apache/spark/pull/36864#discussion_r896378643


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core/src/test/java/org/apache/spark/JavaJdbcRDDSuite.java:
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@@ -32,6 +33,7 @@
 import org.junit.Test;
 
 public class JavaJdbcRDDSuite implements Serializable {
+  private String dbName = UUID.randomUUID().toString();

Review Comment:
   I remember it becomes flaky when the UUID starts with numbers (in Spark SQL), e.g.. `SQLTestUtils.withTempDatabase`. Should we better copy and paste that here?



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