HHH-19608 it seems that SQL Server also requires that partition keys belong to PK

Author: gavinking

hibernate-core/src/main/java/org/hibernate/dialect/Dialect.java

@@ -4614,7 +4614,10 @@ public void augmentRecognizedTableTypes(List<String> tableTypesList) {
 	}
 
 	/**
-	 * Does is dialect support {@code partition by}?
+	 * Does is dialect support {@code partition by} in window
+	 * functions?
+	 *
+	 * @apiNote This has nothing to do with table partitioning.
 	 *
 	 * @since 5.2
 	 */
@@ -4624,7 +4627,10 @@ public boolean supportsPartitionBy() {
 
 	/**
 	 * Does this dialect require that the columns listed in
-	 * {@code partition by} also occur in the primary key?
+	 * {@code partition by} also occur in the primary key,
+	 * when defining table partitioning?
+	 *
+	 * @apiNote This has nothing to do with window functions.
 	 *
 	 * @since 7.1
 	 */

hibernate-core/src/main/java/org/hibernate/dialect/SQLServerDialect.java

@@ -676,6 +676,11 @@ public String getCurrentTimestampSelectString() {
 
 	// Overridden informational metadata ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
+	@Override
+	public boolean addPartitionKeyToPrimaryKey() {
+		return true;
+	}
+
 	@Override
 	public boolean supportsResultSetPositionQueryMethodsOnForwardOnlyCursor() {
 		return false;