Index: README
===================================================================
--- README	(revision 130)
+++ README	(revision 133)
@@ -66,7 +66,12 @@
 
     create table darcs_changesets (
-        rev integer primary key,
+        repo_id text,
+        rev integer,
         hash text,
-        name text );
+        name text,
+        primary key (repo_id, rev));
+
+repo_id
+  repository containing this changeset
 
 rev
@@ -91,8 +96,10 @@
 
     create table darcs_nodes (
-        node_id integer primary key,
+        repo_id text,
+        node_id integer,
         node_type text,
         add_rev integer,
-        remove_rev integer );
+        remove_rev integer,
+        primary key (repo_id, node_id) );
 
 node_type
@@ -115,4 +122,5 @@
 
     create table darcs_node_changes (
+        repo_id text,
         node_id integer,
         rev integer,
@@ -120,5 +128,5 @@
         parent_id integer,
         the_change text,
-        primary key (node_id,rev) );
+        primary key (repo_id, node_id,rev) );
 
 
@@ -149,8 +157,10 @@
 
     create table darcs_cache (
+        repo_id text,
         node_id integer,
         rev integer,
         content blob,
-        primary key (node_id,rev) );
+        size integer,
+        primary key (repo_id, node_id,rev) );
 
 Some sample queries
@@ -166,4 +176,5 @@
     where dnc.node_id = dn.node_id
       and dnc.rev <= r
+      and dnc.repo_id = dn.repo_id and dnc.repo_id = 'somerepo'
       and (dn.remove_rev is null or dn.remove_rev > r)
     group by dnc.node_id
@@ -178,4 +189,5 @@
     where dnc.node_id = dn.node_id
       and dn.remove_rev is null
+      and dnc.repo_id = dn.repo_id and dnc.repo_id = 'somerepo'
     group by dnc.node_id
 
@@ -192,4 +204,5 @@
     where dnc.node_id = nr.node_id
       and dnc.rev = nr.rev
+      and dnc.repo_id = nr.repo_id and dnc.repo_id = 'somerepo'
       and dnc.path = p
 
@@ -201,4 +214,5 @@
     select * from darcs_node_changes as dnc
     where dnc.node_id = nid and dnc.rev <= r
+      and dnc.repo_id = 'somerepo'
 
 Get children of node_id nid, as of revision r
@@ -212,2 +226,3 @@
       and dnc.rev = nr.rev
       and dnc.parent_id = nid
+      and dnc.repo_id = nr.repo_id and dnc.repo_id = 'somerepo'