Index: trunk/dbconfig/magic.md
===================================================================
--- trunk/dbconfig/magic.md	(revision 23387)
+++ trunk/dbconfig/magic.md	(revision 24174)
@@ -6,4 +6,5 @@
     exp_id      S64         0       # Key
     diff_id     S64         0       # Key
+    inverse     BOOL	    FALSE	    
     state       STR         64      # Key
     workdir     STR         255
@@ -15,7 +16,9 @@
 END
 
+### This is left over from when diffs were composed of a single skycell
+### When we're not too busy, it should be deleted in favour of:
+### magicRun JOIN diffSkyfile USING(diff_id) WHERE diffSkyfile.fault = 0 AND diffSkyfile.quality = 0
 magicInputSkyfile METADATA
     magic_id    S64         0       # Primary Key fkey(magic_id) ref magicRun(magic_id)
-    diff_id     S64         0       # Primary Key fkey(diff_id) ref diffRun(diff_id)
     node        STR         64      #
 END
@@ -30,5 +33,5 @@
     magic_id    S64         0       # Primary Key fkey(magic_id) ref magicRun(magic_id)
     node        STR         64      # Primary Key fkey(magic_id, node) ref magicTree(magic_id, node)
-    uri         STR         255
+    path_base   STR         255
     fault       S16         0       # Key
 END