2 files changed, 10 insertions, 3 deletions
diff --git a/src/main/java/com/healthmarketscience/jackcess/PropertyMap.java b/src/main/java/com/healthmarketscience/jackcess/PropertyMap.java
index 89a98c1..b216c6b 100644
--- a/src/main/java/com/healthmarketscience/jackcess/PropertyMap.java
+++ b/src/main/java/com/healthmarketscience/jackcess/PropertyMap.java
@@ -45,6 +45,8 @@ public interface PropertyMap extends Iterable<PropertyMap.Property>
   public static final String RESULT_TYPE_PROP = "ResultType";
   public static final String EXPRESSION_PROP = "Expression";
   public static final String ALLOW_MULTI_VALUE_PROP = "AllowMultipleValues";
+  public static final String ROW_SOURCE_TYPE_PROP = "RowSourceType";
+  public static final String ROW_SOURCE_PROP = "RowSource";
 
 
   public String getName();
diff --git a/src/main/java/com/healthmarketscience/jackcess/impl/complex/MultiValueColumnPropertyMap.java b/src/main/java/com/healthmarketscience/jackcess/impl/complex/MultiValueColumnPropertyMap.java
index 08f472c..25c8e95 100644
--- a/src/main/java/com/healthmarketscience/jackcess/impl/complex/MultiValueColumnPropertyMap.java
+++ b/src/main/java/com/healthmarketscience/jackcess/impl/complex/MultiValueColumnPropertyMap.java
@@ -85,7 +85,7 @@ public class MultiValueColumnPropertyMap implements PropertyMap
   public Property put(String name, DataType type, Object value) {
     // the only property which seems to go in the "primary" is the "multi
     // value" property
-    if(ALLOW_MULTI_VALUE_PROP.equals(name)) {
+    if(isPrimaryKey(name)) {
       return _primary.put(name, DataType.BOOLEAN, value);
     }
     return _complex.put(name, value);
@@ -97,7 +97,7 @@ public class MultiValueColumnPropertyMap implements PropertyMap
     }
 
     for(Property prop : props) {
-      if(ALLOW_MULTI_VALUE_PROP.equals(prop.getName())) {
+      if(isPrimaryKey(prop.getName())) {
         ((PropertyMapImpl)_primary).put(prop);
       } else {
         ((PropertyMapImpl)_complex).put(prop);
@@ -106,7 +106,7 @@ public class MultiValueColumnPropertyMap implements PropertyMap
   }  
 
   public Property remove(String name) {
-    if(ALLOW_MULTI_VALUE_PROP.equals(name)) {
+    if(isPrimaryKey(name)) {
       return _primary.remove(name);
     }
     return _complex.remove(name);
@@ -164,4 +164,9 @@ public class MultiValueColumnPropertyMap implements PropertyMap
   public String toString() {
     return PropertyMapImpl.toString(this);
   }
+
+  private static boolean isPrimaryKey(String name) {
+    // the multi-value key seems to be the only one on the primary column
+    return ALLOW_MULTI_VALUE_PROP.equals(name);
+  } 
 }