add upserts to micrometer metrics

Author: gavinking

hibernate-micrometer/src/main/java/org/hibernate/stat/HibernateMetrics.java

@@ -207,6 +207,11 @@ public void bindTo(MeterRegistry registry) {
 				"The number of entity updates",
 				Statistics::getEntityUpdateCount
 		);
+		counter(registry,
+				"hibernate.entities.upserts",
+				"The number of entity upserts",
+				Statistics::getEntityUpsertCount
+		);
 
 		// Collections
 		counter(registry,

hibernate-micrometer/src/test/java/org/hibernate/test/stat/MicrometerCacheStatisticsTest.java

@@ -111,6 +111,7 @@ public void testMicrometerMetrics() {
 		Assert.assertNotNull(registry.get("hibernate.entities.inserts").functionCounter());
 		Assert.assertNotNull(registry.get("hibernate.entities.loads").functionCounter());
 		Assert.assertNotNull(registry.get("hibernate.entities.updates").functionCounter());
+		Assert.assertNotNull(registry.get("hibernate.entities.upserts").functionCounter());
 
 		Assert.assertNotNull(registry.get("hibernate.collections.deletes").functionCounter());
 		Assert.assertNotNull(registry.get("hibernate.collections.fetches").functionCounter());

hibernate-micrometer/src/test/java/org/hibernate/test/stat/MicrometerStatisticsTest.java

@@ -82,6 +82,7 @@ public void testMicrometerMetrics() {
 		Assert.assertNotNull(registry.get("hibernate.entities.inserts").functionCounter());
 		Assert.assertNotNull(registry.get("hibernate.entities.loads").functionCounter());
 		Assert.assertNotNull(registry.get("hibernate.entities.updates").functionCounter());
+		Assert.assertNotNull(registry.get("hibernate.entities.upserts").functionCounter());
 
 		Assert.assertNotNull(registry.get("hibernate.collections.deletes").functionCounter());
 		Assert.assertNotNull(registry.get("hibernate.collections.fetches").functionCounter());