--- a/server/__init__.py	Tue Aug 11 17:04:00 2009 +0200
+++ b/server/__init__.py	Tue Aug 11 17:04:22 2009 +0200
@@ -24,11 +24,12 @@
 # server-side debugging #########################################################
 
 # server debugging flags. They may be combined using binary operators.
-DBG_NONE = 0 # no debug information
-DBG_RQL = 1  # rql execution information
-DBG_SQL = 2  # executed sql
-DBG_REPO = 4 # repository events
-DBG_MORE = 8 # repository events
+DBG_NONE = 0  # no debug information
+DBG_RQL = 1   # rql execution information
+DBG_SQL = 2   # executed sql
+DBG_REPO = 4  # repository events
+DBG_MS = 8    # multi-sources
+DBG_MORE = 16 # repository events
 
 # current debug mode
 DEBUG = 0

--- a/server/msplanner.py	Tue Aug 11 17:04:00 2009 +0200
+++ b/server/msplanner.py	Tue Aug 11 17:04:22 2009 +0200
@@ -267,7 +267,7 @@
         self._conflicts = []
         if rqlhelper is not None: # else test
             self._insert_identity_variable = rqlhelper._annotator.rewrite_shared_optional
-        if server.DEBUG:
+        if server.DEBUG & server.DBG_MS:
             print 'sourcesterms:'
             self._debug_sourcesterms()
 
@@ -1023,7 +1023,7 @@
 
         the rqlst should not be tagged at this point
         """
-        if server.DEBUG:
+        if server.DEBUG & server.DBG_MS:
             print '-'*80
             print 'PLANNING', rqlst
         for select in rqlst.children:
@@ -1040,7 +1040,7 @@
         ppis = [PartPlanInformation(plan, select, self.rqlhelper)
                 for select in rqlst.children]
         steps = self._union_plan(plan, rqlst, ppis)
-        if server.DEBUG:
+        if server.DEBUG & server.DBG_MS:
             from pprint import pprint
             for step in plan.steps:
                 pprint(step.test_repr())
@@ -1235,7 +1235,7 @@
         return rqlst
 
     def filter(self, sources, terms, rqlst, solindices, needsel, final):
-        if server.DEBUG:
+        if server.DEBUG & server.DBG_MS:
             print 'filter', final and 'final' or '', sources, terms, rqlst, solindices, needsel
         newroot = Select()
         self.sources = sorted(sources)
@@ -1329,7 +1329,7 @@
                     elif ored:
                         newroot.remove_node(rel)
         add_types_restriction(self.schema, rqlst, newroot, solutions)
-        if server.DEBUG:
+        if server.DEBUG & server.DBG_MS:
             print '--->', newroot
         return newroot, self.insertedvars