Index: branches/5.2.x/core/install/upgrades.sql
===================================================================
diff -u -N -r14853 -r14856
--- branches/5.2.x/core/install/upgrades.sql	(.../upgrades.sql)	(revision 14853)
+++ branches/5.2.x/core/install/upgrades.sql	(.../upgrades.sql)	(revision 14856)
@@ -2340,4 +2340,41 @@
 
 UPDATE Phrase
 SET l<%PRIMARY_LANGUAGE%>_ColumnTranslation = l<%PRIMARY_LANGUAGE%>_Translation
-WHERE PhraseKey IN ('LA_FLD_CATEGORY', 'LA_FLD_ORDER');
\ No newline at end of file
+WHERE PhraseKey IN ('LA_FLD_CATEGORY', 'LA_FLD_ORDER');
+
+CREATE TABLE PageRevisions (
+  RevisionId int(11) NOT NULL AUTO_INCREMENT,
+  PageId int(11) NOT NULL,
+  RevisionNumber int(11) NOT NULL,
+  IsDraft tinyint(4) NOT NULL,
+  FromRevisionId int(11) NOT NULL,
+  CreatedById int(11) DEFAULT NULL,
+  CreatedOn int(11) DEFAULT NULL,
+  AutoSavedOn int(11) DEFAULT NULL,
+  `Status` tinyint(4) NOT NULL DEFAULT '2',
+  PRIMARY KEY (RevisionId),
+  KEY PageId (PageId),
+  KEY RevisionNumber (RevisionNumber),
+  KEY IsDraft (IsDraft),
+  KEY `Status` (`Status`)
+);
+
+ALTER TABLE Category
+	ADD LiveRevisionNumber INT NOT NULL DEFAULT '1' AFTER PageExpiration,
+	ADD INDEX (LiveRevisionNumber);
+
+ALTER TABLE PageContent
+	ADD RevisionId INT NOT NULL AFTER PageId,
+	ADD INDEX (RevisionId);
+
+ALTER TABLE PermissionConfig CHANGE PermissionName PermissionName VARCHAR(255) NOT NULL DEFAULT '';
+
+INSERT INTO PermissionConfig VALUES (DEFAULT, 'CATEGORY.REVISION.ADD', 'la_PermName_Category.Revision.Add_desc', 'In-Portal', 1);
+INSERT INTO PermissionConfig VALUES (DEFAULT, 'CATEGORY.REVISION.ADD.PENDING', 'la_PermName_Category.Revision.Add.Pending_desc', 'In-Portal', 1);
+INSERT INTO PermissionConfig VALUES (DEFAULT, 'CATEGORY.REVISION.MODERATE', 'la_PermName_Category.Revision.Moderate_desc', 'In-Portal', 1);
+INSERT INTO PermissionConfig VALUES (DEFAULT, 'CATEGORY.REVISION.HISTORY.VIEW', 'la_PermName_Category.Revision.History.View_desc', 'In-Portal', 1);
+INSERT INTO PermissionConfig VALUES (DEFAULT, 'CATEGORY.REVISION.HISTORY.RESTORE', 'la_PermName_Category.Revision.History.Restore_desc', 'In-Portal', 1);
+
+INSERT INTO Permissions VALUES(DEFAULT, 'CATEGORY.REVISION.ADD', 11, 1, 0, 1);
+INSERT INTO Permissions VALUES(DEFAULT, 'CATEGORY.REVISION.HISTORY.VIEW', 11, 1, 0, 1);
+INSERT INTO Permissions VALUES(DEFAULT, 'CATEGORY.REVISION.HISTORY.RESTORE', 11, 1, 0, 1);
\ No newline at end of file