Add method addJoinedRecordValues

qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/data/QRecord.java

@@ -154,7 +154,7 @@ public class QRecord implements Serializable
          return (null);
       }
 
-      Map<String, V> clone = new LinkedHashMap<>();
+      Map<String, V> clone = new LinkedHashMap<>(map.size());
       for(Map.Entry<String, V> entry : map.entrySet())
       {
          Serializable value = entry.getValue();
@@ -246,6 +246,24 @@ public class QRecord implements Serializable
    }
 
 
+   /***************************************************************************
+    ** copy all values from 'joinedRecord' into this record's values map,
+    ** prefixing field names with joinTableNam + "."
+    ***************************************************************************/
+   public void addJoinedRecordValues(String joinTableName, QRecord joinedRecord)
+   {
+      if(joinedRecord == null)
+      {
+         return;
+      }
+
+      for(Map.Entry<String, Serializable> entry : joinedRecord.getValues().entrySet())
+      {
+         setValue(joinTableName + "." + entry.getKey(), entry.getValue());
+      }
+   }
+
+
 
    /*******************************************************************************
     **

qqq-backend-core/src/test/java/com/kingsrook/qqq/backend/core/model/data/QRecordTest.java

@@ -291,4 +291,24 @@ class QRecordTest extends BaseTest
       assertFalse(jsonObject.has("errorsAsString"));
    }
 
+
+
+   /*******************************************************************************
+    **
+    *******************************************************************************/
+   @Test
+   void testAddJoinedRecordValues()
+   {
+      QRecord order = new QRecord().withValue("id", 1).withValue("shipTo", "St. Louis");
+      order.addJoinedRecordValues("orderInstructions", null);
+      assertEquals(2, order.getValues().size());
+
+      QRecord orderInstructions = new QRecord().withValue("id", 100).withValue("instructions", "Be Careful");
+      order.addJoinedRecordValues("orderInstructions", orderInstructions);
+
+      assertEquals(4, order.getValues().size());
+      assertEquals(100, order.getValue("orderInstructions.id"));
+      assertEquals("Be Careful", order.getValue("orderInstructions.instructions"));
+   }
+
 }