Index: openacs-4/packages/ecommerce/www/admin/cat/category-add-0.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/category-add-0.tcl,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/category-add-0.tcl	20 Apr 2001 20:51:13 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/category-add-0.tcl	17 Jul 2001 23:59:03 -0000	1.2
@@ -16,10 +16,16 @@
 # equal to the new sort key (average of prev_sort_key and next_sort_key);
 # otherwise warn them that their form is not up-to-date
 
+### gilbertw - added do the calculation outside of the db.  PostgreSQL encloses
+#   the bind variables in ' '
+#  where sort_key = (:prev_sort_key + :next_sort_key)/2
+set sort_key [expr ($prev_sort_key + $next_sort_key)/2]
+
 set n_conflicts [db_string get_n_conflicts "select count(*)
 from ec_categories
-where sort_key = (:prev_sort_key + :next_sort_key)/2"]
+where sort_key = :sort_key"]
 
+
 if { $n_conflicts > 0 } {
     ad_return_complaint 1 "<li>The page you came from appears to be out-of-date;
     perhaps someone has changed the categories since you last reloaded the page.
Index: openacs-4/packages/ecommerce/www/admin/cat/category-add-0.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/category-add-0.xql,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/category-add-0.xql	10 Jul 2001 20:33:53 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/category-add-0.xql	17 Jul 2001 23:59:03 -0000	1.2
@@ -5,7 +5,7 @@
       <querytext>
       select count(*)
 from ec_categories
-where sort_key = (:prev_sort_key + :next_sort_key)/2
+where sort_key = :sort_key
       </querytext>
 </fullquery>
 
Index: openacs-4/packages/ecommerce/www/admin/cat/category-add-2-oracle.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/category-add-2-oracle.xql,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/category-add-2-oracle.xql	10 Jul 2001 20:33:53 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/category-add-2-oracle.xql	17 Jul 2001 23:59:03 -0000	1.2
@@ -8,7 +8,7 @@
       insert into ec_categories
 (category_id, category_name, sort_key, last_modified, last_modifying_user, modified_ip_address)
 values
-(:category_id, :category_name, (:prev_sort_key + :next_sort_key)/2, sysdate, :user_id, :peeraddr)
+(:category_id, :category_name, :sort_key, sysdate, :user_id, :peeraddr)
       </querytext>
 </fullquery>
 
Index: openacs-4/packages/ecommerce/www/admin/cat/category-add-2-postgresql.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/category-add-2-postgresql.xql,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/category-add-2-postgresql.xql	10 Jul 2001 20:33:53 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/category-add-2-postgresql.xql	17 Jul 2001 23:59:03 -0000	1.2
@@ -8,7 +8,7 @@
       insert into ec_categories
 (category_id, category_name, sort_key, last_modified, last_modifying_user, modified_ip_address)
 values
-(:category_id, :category_name, (:prev_sort_key + :next_sort_key)/2, current_timestamp, :user_id, :peeraddr)
+(:category_id, :category_name, :sort_key, current_timestamp, :user_id, :peeraddr)
       </querytext>
 </fullquery>
 
Index: openacs-4/packages/ecommerce/www/admin/cat/category-add-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/category-add-2.tcl,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/category-add-2.tcl	20 Apr 2001 20:51:13 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/category-add-2.tcl	17 Jul 2001 23:59:03 -0000	1.2
@@ -43,9 +43,14 @@
 }
 
 # now make sure there's no category with that sort key already
+### gilbertw - added do the calculation outside of the db.  PostgreSQL encloses
+#   the bind variables in ' '
+#  where sort_key = (:prev_sort_key + :next_sort_key)/2
+set sort_key [expr ($prev_sort_key + $next_sort_key)/2]
+
 set n_conflicts [db_string get_n_conflicts "select count(*)
 from ec_categories
-where sort_key = (:prev_sort_key + :next_sort_key)/2"]
+where sort_key = :sort_key"]
 
 if { $n_conflicts > 0 } {
     ad_return_complaint 1 "<li>The category page appears to be out-of-date;
@@ -59,6 +64,6 @@
 db_dml insert_into_ec_categories "insert into ec_categories
 (category_id, category_name, sort_key, last_modified, last_modifying_user, modified_ip_address)
 values
-(:category_id, :category_name, (:prev_sort_key + :next_sort_key)/2, sysdate, :user_id, :peeraddr)"
+(:category_id, :category_name, :sort_key, sysdate, :user_id, :peeraddr)"
 db_release_unused_handles
 ad_returnredirect "index"
Index: openacs-4/packages/ecommerce/www/admin/cat/category-add-2.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/category-add-2.xql,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/category-add-2.xql	10 Jul 2001 20:33:53 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/category-add-2.xql	17 Jul 2001 23:59:03 -0000	1.2
@@ -13,7 +13,7 @@
       <querytext>
       select count(*)
 from ec_categories
-where sort_key = (:prev_sort_key + :next_sort_key)/2
+where sort_key = :sort_key
       </querytext>
 </fullquery>
 
Index: openacs-4/packages/ecommerce/www/admin/cat/category-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/category-add.tcl,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/category-add.tcl	20 Apr 2001 20:51:13 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/category-add.tcl	17 Jul 2001 23:59:03 -0000	1.2
@@ -18,9 +18,14 @@
 # equal to the new sort key (average of prev_sort_key and next_sort_key);
 # otherwise warn them that their form is not up-to-date
 
+### gilbertw - added do the calculation outside of the db.  PostgreSQL encloses
+#   the bind variables in ' '
+#  where sort_key = (:prev_sort_key + :next_sort_key)/2
+set sort_key [expr ($prev_sort_key + $next_sort_key)/2]
+
 set n_conflicts [db_string get_n_conflicts "select count(*)
 from ec_categories
-where sort_key = (:prev_sort_key + :next_sort_key)/2"]
+where sort_key = :sort_key"]
 
 if { $n_conflicts > 0 } {
     ad_return_complaint 1 "<li>The category page appears to be out-of-date;
Index: openacs-4/packages/ecommerce/www/admin/cat/category-add.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/category-add.xql,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/category-add.xql	10 Jul 2001 20:33:53 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/category-add.xql	17 Jul 2001 23:59:03 -0000	1.2
@@ -5,7 +5,7 @@
       <querytext>
       select count(*)
 from ec_categories
-where sort_key = (:prev_sort_key + :next_sort_key)/2
+where sort_key = :sort_key
       </querytext>
 </fullquery>
 
Index: openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-0.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-0.tcl,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-0.tcl	20 Apr 2001 20:51:13 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-0.tcl	17 Jul 2001 23:59:03 -0000	1.2
@@ -24,11 +24,15 @@
 # (average of prev_sort_key and next_sort_key);
 # otherwise warn them that their form is not up-to-date
 
+### gilbertw - added do the calculation outside of the db.  PostgreSQL encloses
+#   the bind variables in ' '
+#  where sort_key = (:prev_sort_key + :next_sort_key)/2
+set sort_key [expr ($prev_sort_key + $next_sort_key)/2]
 
 set n_conflicts [db_string get_n_conflicts "select count(*)
 from ec_subcategories
 where category_id=:category_id
-and sort_key = (:prev_sort_key + :next_sort_key)/2"]
+and sort_key = :sort_key"]
 
 if { $n_conflicts > 0 } {
     ad_return_complaint 1 "<li>The page you came from appears to be out-of-date;
Index: openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-0.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-0.xql,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-0.xql	10 Jul 2001 20:33:53 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-0.xql	17 Jul 2001 23:59:03 -0000	1.2
@@ -6,7 +6,7 @@
       select count(*)
 from ec_subcategories
 where category_id=:category_id
-and sort_key = (:prev_sort_key + :next_sort_key)/2
+and sort_key = :sort_key
       </querytext>
 </fullquery>
 
Index: openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2-oracle.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2-oracle.xql,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2-oracle.xql	10 Jul 2001 20:33:53 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2-oracle.xql	17 Jul 2001 23:59:03 -0000	1.2
@@ -8,7 +8,7 @@
       insert into ec_subcategories
     (category_id, subcategory_id, subcategory_name, sort_key, last_modified, last_modifying_user, modified_ip_address)
     values
-    (:category_id, :subcategory_id, :subcategory_name, (:prev_sort_key + :next_sort_key)/2, sysdate, :user_id, :address)
+    (:category_id, :subcategory_id, :subcategory_name, :sort_key, sysdate, :user_id, :address)
       </querytext>
 </fullquery>
 
Index: openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2-postgresql.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2-postgresql.xql,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2-postgresql.xql	10 Jul 2001 20:33:53 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2-postgresql.xql	17 Jul 2001 23:59:03 -0000	1.2
@@ -8,7 +8,7 @@
       insert into ec_subcategories
     (category_id, subcategory_id, subcategory_name, sort_key, last_modified, last_modifying_user, modified_ip_address)
     values
-    (:category_id, :subcategory_id, :subcategory_name, (:prev_sort_key + :next_sort_key)/2, current_timestamp, :user_id, :address)
+    (:category_id, :subcategory_id, :subcategory_name, :sort_key, current_timestamp, :user_id, :address)
       </querytext>
 </fullquery>
 
Index: openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2.tcl,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2.tcl	20 Apr 2001 20:51:13 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2.tcl	17 Jul 2001 23:59:03 -0000	1.2
@@ -50,10 +50,15 @@
 # now make sure there's no subcategory in this category with that sort key already
 
 db_transaction {
+    ### gilbertw - added do the calculation outside of the db.  	
+    #   PostgreSQL encloses the bind variables in ' '
+    #  where sort_key = (:prev_sort_key + :next_sort_key)/2
+    set sort_key [expr ($prev_sort_key + $next_sort_key)/2]
+
     set n_conflicts [db_string get_n_conflicts "select count(*)
 from ec_subcategories
 where category_id=:category_id
-and sort_key = (:prev_sort_key + :next_sort_key)/2"]
+and sort_key = :sort_key"]
     if { $n_conflicts > 0 } {
 	ad_return_complaint 1 "<li>The $category_name page appears to be out-of-date;
 	perhaps someone has changed the subcategories since you last reloaded the page.
@@ -65,7 +70,7 @@
     db_dml ec_subcat_insert "insert into ec_subcategories
     (category_id, subcategory_id, subcategory_name, sort_key, last_modified, last_modifying_user, modified_ip_address)
     values
-    (:category_id, :subcategory_id, :subcategory_name, (:prev_sort_key + :next_sort_key)/2, sysdate, :user_id, :address)"
+    (:category_id, :subcategory_id, :subcategory_name, :sort_key, sysdate, :user_id, :address)"
 
 } on_error {
     db_release_unused_handles
Index: openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2.xql,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2.xql	10 Jul 2001 20:33:53 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/subcategory-add-2.xql	17 Jul 2001 23:59:03 -0000	1.2
@@ -14,7 +14,7 @@
       select count(*)
 from ec_subcategories
 where category_id=:category_id
-and sort_key = (:prev_sort_key + :next_sort_key)/2
+and sort_key = :sort_key
       </querytext>
 </fullquery>
 
Index: openacs-4/packages/ecommerce/www/admin/cat/subcategory-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/subcategory-add.tcl,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/subcategory-add.tcl	20 Apr 2001 20:51:13 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/subcategory-add.tcl	17 Jul 2001 23:59:03 -0000	1.2
@@ -27,11 +27,15 @@
 # (average of prev_sort_key and next_sort_key);
 # otherwise warn them that their form is not up-to-date
 
+### gilbertw - added do the calculation outside of the db.  PostgreSQL encloses
+#   the bind variables in ' '
+#  where sort_key = (:prev_sort_key + :next_sort_key)/2
+set sort_key [expr ($prev_sort_key + $next_sort_key)/2]
 
 set n_conflicts [db_string get_n_conflicts "select count(*)
 from ec_subcategories
 where category_id=:category_id
-and sort_key = (:prev_sort_key + :next_sort_key)/2"]
+and sort_key = :sort_key"]
 
 if { $n_conflicts > 0 } {
     ad_return_complaint 1 "<li>The $category_name page appears to be out-of-date;
Index: openacs-4/packages/ecommerce/www/admin/cat/subcategory-add.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/ecommerce/www/admin/cat/subcategory-add.xql,v
diff -u -r1.1 -r1.2
--- openacs-4/packages/ecommerce/www/admin/cat/subcategory-add.xql	10 Jul 2001 20:33:53 -0000	1.1
+++ openacs-4/packages/ecommerce/www/admin/cat/subcategory-add.xql	17 Jul 2001 23:59:03 -0000	1.2
@@ -6,7 +6,7 @@
       select count(*)
 from ec_subcategories
 where category_id=:category_id
-and sort_key = (:prev_sort_key + :next_sort_key)/2
+and sort_key = :sort_key
       </querytext>
 </fullquery>