BsoBird commented on code in PR #5891:
URL: https://github.com/apache/hive/pull/5891#discussion_r2167059912
##########
ql/src/test/org/apache/hadoop/hive/ql/udf/TestUDFUUID.java:
##########
@@ -23,26 +23,41 @@
import org.apache.hadoop.hive.ql.exec.FunctionRegistry;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge;
import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
import org.junit.Test;
+import java.util.concurrent.TimeUnit;
+
/**
* TestUDFUUID.
*/
public class TestUDFUUID {
@Test
public void testUUID() throws Exception {
UDFUUID udf = new UDFUUID();
-
String id1 = udf.evaluate().toString();
String id2 = udf.evaluate().toString();
-
assertFalse(id1.equals(id2));
-
assertEquals(id1.length(), 36);
assertEquals(id2.length(), 36);
-
GenericUDFBridge bridge = new GenericUDFBridge("uuid", false,
UDFUUID.class.getName());
assertFalse(FunctionRegistry.isDeterministic(bridge));
}
+
+ @Test
+ public void testUUIDv7() throws Exception {
+ UDFUUIDv7 udf = new UDFUUIDv7();
+ String id1 = udf.evaluate(null).toString();
+ TimeUnit.MILLISECONDS.sleep(1);
Review Comment:
@deniskuzZ Because UUIDV7 is incrementing over time, I want to prove that
the UUID generated after 1 millisecond must have a larger lexicographical order
than the previous UUID.
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