Index: branches/5.1.x/core/install/install_schema.sql
===================================================================
diff -u -N -r13545 -r13559
--- branches/5.1.x/core/install/install_schema.sql	(.../install_schema.sql)	(revision 13545)
+++ branches/5.1.x/core/install/install_schema.sql	(.../install_schema.sql)	(revision 13559)
@@ -1184,6 +1184,7 @@
 CREATE TABLE CachedUrls (
   UrlId int(11) NOT NULL AUTO_INCREMENT,
   Url varchar(255) NOT NULL DEFAULT '',
+  DomainId int(11) NOT NULL DEFAULT '0',
   `Hash` int(11) NOT NULL DEFAULT '0',
   Prefixes varchar(255) NOT NULL DEFAULT '',
   ParsedVars text NOT NULL,
@@ -1194,5 +1195,38 @@
   KEY `Hash` (`Hash`),
   KEY Prefixes (Prefixes),
   KEY Cached (Cached),
-  KEY LifeTime (LifeTime)
+  KEY LifeTime (LifeTime),
+  KEY DomainId (DomainId)
+);
+
+CREATE TABLE SiteDomains (
+  DomainId int(11) NOT NULL AUTO_INCREMENT,
+  DomainName varchar(255) NOT NULL DEFAULT '',
+  DomainNameUsesRegExp tinyint(4) NOT NULL DEFAULT '0',
+  SSLUrl varchar(255) NOT NULL DEFAULT '',
+  SSLUrlUsesRegExp tinyint(4) NOT NULL DEFAULT '0',
+  AdminEmail varchar(255) NOT NULL DEFAULT '',
+  Country varchar(3) NOT NULL DEFAULT '',
+  PrimaryLanguageId int(11) NOT NULL DEFAULT '0',
+  Languages varchar(255) NOT NULL DEFAULT '',
+  PrimaryThemeId int(11) NOT NULL DEFAULT '0',
+  Themes varchar(255) NOT NULL DEFAULT '',
+  DomainIPRange text,
+  ExternalUrl varchar(255) NOT NULL DEFAULT '',
+  RedirectOnIPMatch tinyint(4) NOT NULL DEFAULT '0',
+  Priority int(11) NOT NULL DEFAULT '0',
+  PRIMARY KEY (DomainId),
+  KEY DomainName (DomainName),
+  KEY DomainNameUsesRegExp (DomainNameUsesRegExp),
+  KEY SSLUrl (SSLUrl),
+  KEY SSLUrlUsesRegExp (SSLUrlUsesRegExp),
+  KEY AdminEmail (AdminEmail),
+  KEY Country (Country),
+  KEY PrimaryLanguageId (PrimaryLanguageId),
+  KEY Languages (Languages),
+  KEY PrimaryThemeId (PrimaryThemeId),
+  KEY Themes (Themes),
+  KEY ExternalUrl (ExternalUrl),
+  KEY RedirectOnIPMatch (RedirectOnIPMatch),
+  KEY Priority (Priority)
 );
\ No newline at end of file