added iterateDistinct to SimpleProjectable

querydsl-core/src/main/java/com/mysema/query/SimpleProjectable.java

@@ -25,6 +25,13 @@ public interface SimpleProjectable<T> {
      * @return
      */
     CloseableIterator<T> iterate();
+    
+    /**
+     * Get the projection as a typed closeable Iterator with distinct elements
+     * 
+     * @return
+     */
+    CloseableIterator<T> iterateDistinct();
 
     /**
      * Get the projection as a typed List

querydsl-core/src/main/java/com/mysema/query/support/SimpleQueryAdapter.java

@@ -68,6 +68,11 @@ public class SimpleQueryAdapter<T> implements SimpleQuery<SimpleQueryAdapter<T>>
     public CloseableIterator<T> iterate(){
         return projectable.iterate(projection);
     }
+    
+    @Override
+    public CloseableIterator<T> iterateDistinct(){
+        return projectable.iterateDistinct(projection);
+    }
 
     @Override
     public List<T> list() {

querydsl-hibernate-search/src/main/java/com/mysema/query/search/SearchQuery.java

@@ -94,6 +94,11 @@ public class SearchQuery<T> implements SimpleQuery<SearchQuery<T>>, SimpleProjec
     public CloseableIterator<T> iterate(){
         return new IteratorAdapter<T>(createQuery(false).iterate());
     }
+    
+    public CloseableIterator<T> iterateDistinct(){
+        return iterate();
+    }
+
 
     @Override
     public SearchQuery<T> limit(long limit) {

querydsl-lucene/src/main/java/com/mysema/query/lucene/LuceneQuery.java

@@ -123,6 +123,11 @@ public class LuceneQuery implements SimpleQuery<LuceneQuery>,
         }
     }
 
+    @Override
+    public CloseableIterator<Document> iterateDistinct() {
+        return iterate();
+    }
+    
     @Override
     public List<Document> list() {
         return new IteratorAdapter<Document>(iterate()).asList();

querydsl-mongodb/src/main/java/com/mysema/query/mongodb/MongodbQuery.java

@@ -90,6 +90,7 @@ public class MongodbQuery<K> implements SimpleQuery<MongodbQuery<K>>,
         return queryMixin.set(param, value);
     }
 
+    @Override
     public CloseableIterator<K> iterate() {
         final DBCursor cursor = createCursor();
         return new CloseableIterator<K>() {
@@ -114,6 +115,11 @@ public class MongodbQuery<K> implements SimpleQuery<MongodbQuery<K>>,
         };
     }
 
+    @Override
+    public CloseableIterator<K> iterateDistinct() {
+        return iterate();
+    }
+
     @Override
     public List<K> list() {
         DBCursor cursor = createCursor();