Index: openacs-4/packages/imsld/sql/postgresql/imsld-create.sql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/imsld/sql/postgresql/imsld-create.sql,v
diff -u -r1.9 -r1.10
--- openacs-4/packages/imsld/sql/postgresql/imsld-create.sql	7 Nov 2005 18:13:07 -0000	1.9
+++ openacs-4/packages/imsld/sql/postgresql/imsld-create.sql	15 Nov 2005 11:01:23 -0000	1.10
@@ -125,10 +125,14 @@
     is_visible_p    char(1)
                     check (is_visible_p in ('t','f'))
                     default 't',
-    parameters      varchar(4000)
+    parameters      varchar(4000),
+    -- recursive queries support
+    imsld_tree_sortkey      varbit,
+    imsld_max_child_sortkey varbit
 );
 
 create index imsld_items_pid_idx on imsld_items(parent_item_id);
+create unique index imsld_items_tree_sortkey_un on imsld_items(imsld_tree_sortkey);
 
 comment on table imsld_items is '
 This table holds the imsld items of the unit of learning';
@@ -669,5 +673,5 @@
 Feedback are items that are mapped to this table with the imsld_feedback_rel.';
 
 \i imsld-cp-create.sql
-
-\i imsld-status-create.sql
\ No newline at end of file
+\i imsld-status-create.sql
+\i imsld-tree-create.sql
Index: openacs-4/packages/imsld/tcl/imsld-parse-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/imsld/tcl/imsld-parse-procs.tcl,v
diff -u -r1.14 -r1.15
--- openacs-4/packages/imsld/tcl/imsld-parse-procs.tcl	15 Nov 2005 08:54:38 -0000	1.14
+++ openacs-4/packages/imsld/tcl/imsld-parse-procs.tcl	15 Nov 2005 11:01:24 -0000	1.15
@@ -1111,7 +1111,8 @@
                                                                           [list conference_type $conference_type] \
                                                                           [list imsld_item_id $imsld_item_id]] \
                                -content_type imsld_conference_service \
-                               -parent_id $parent_id]
+                               -parent_id $parent_id \
+                               -title $title]
         
         # participants
         set participant_list [$conference child all imsld:participant]
@@ -2625,7 +2626,7 @@
 
     # IMS-LD: Prerequisites (which are really an imsld_item that can have resource associated.)
     set prerequisites [$imsld child all imsld:prerequisites] 
-    if { [llength $learning_objectives] } {
+    if { [llength $prerequisites] } {
         imsld::parse::validate_multiplicity -tree $prerequisites -multiplicity 1 -element_name prerequisites(ims-ld) -equal
         set prerequisite_list [imsld::parse::parse_and_create_prerequisite -prerequisite_node $prerequisites \
                                    -manifest_id $manifest_id \
@@ -2647,7 +2648,7 @@
                                                             [list level $imsld_level] \
                                                             [list version $imsld_version] \
                                                             [list sequence_p $imsld_sequence_p] \
-                                                            [list learning_objectives $learning_objective_id] \
+                                                            [list learning_objective_id $learning_objective_id] \
                                                             [list prerequisite_id $prerequisite_id] \
                                                             [list organization_id $organization_id]] \
                       -content_type imsld_imsld \