From 4b582f366ddc463ce4a30b7335d1ac9b607c47b6 Mon Sep 17 00:00:00 2001
From: Tom Morris <tfmorris@gmail.com>
Date: Fri, 9 Dec 2011 22:37:15 +0000
Subject: [PATCH] Issue 504 - add support for "sort" keyword in constraint

git-svn-id: http://google-refine.googlecode.com/svn/trunk@2403 7d457c2a-affb-35e4-300a-418c747d4874
---
 .../freebase/util/FreebaseDataExtensionJob.java   | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/extensions/freebase/src/com/google/refine/freebase/util/FreebaseDataExtensionJob.java b/extensions/freebase/src/com/google/refine/freebase/util/FreebaseDataExtensionJob.java
index 4ac421fb9..51870778f 100644
--- a/extensions/freebase/src/com/google/refine/freebase/util/FreebaseDataExtensionJob.java
+++ b/extensions/freebase/src/com/google/refine/freebase/util/FreebaseDataExtensionJob.java
@@ -369,8 +369,19 @@ public class FreebaseDataExtensionJob {
                                 name = "c:" + name;
                             }
                         }
-                        writer.key(name);
-                        writer.value(value);
+                        if (name.equals("sort")) {
+                            String sortKey = (String) value;
+                            if (sortKey.startsWith("-")) {
+                                sortKey = sortKey.substring(1);
+                            }
+                            writer.key(sortKey);
+                            writer.value(null);
+                            writer.key(name);
+                            writer.value(value);
+                        } else {
+                            writer.key(name);
+                            writer.value(value);
+                        }
                     }
                 }
                 if (!hasLimit) {