From a4ba3f740d2938c93f13293dc6c83ee805a81e81 Mon Sep 17 00:00:00 2001
From: Peter Dietz <peter@longsight.com>
Date: Wed, 10 Dec 2014 22:50:14 -0500
Subject: [PATCH] DS-2350 Using Oracle rownum way to limit results

---
 dspace-api/src/main/java/org/dspace/content/Item.java | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/dspace-api/src/main/java/org/dspace/content/Item.java b/dspace-api/src/main/java/org/dspace/content/Item.java
index 9c33263c7e..3795166c7f 100644
--- a/dspace-api/src/main/java/org/dspace/content/Item.java
+++ b/dspace-api/src/main/java/org/dspace/content/Item.java
@@ -304,9 +304,14 @@ public class Item extends DSpaceObject
 
         TableRowIterator rows;
 
-        //TODO Oracle doesn't have concept of limit
-        if(limit != null && limit > 0 && !DatabaseManager.isOracle()) {
-            querySorted += " limit ?";
+        if(limit != null && limit > 0) {
+            if(DatabaseManager.isOracle()) {
+                //Oracle syntax for limit
+                // select * from ( SUBQUERY ) where ROWNUM <= 5;
+                querySorted = "SELECT * FROM (" + querySorted + ") WHERE ROWNUM <= ?";
+            } else {
+                querySorted += " limit ?";
+            }
             rows = DatabaseManager.query(context, querySorted, Constants.ITEM, eperson.getID(), limit);
         } else {
             rows = DatabaseManager.query(context, querySorted, Constants.ITEM, eperson.getID());