fixes in nestedset

webnotes/utils/nestedset.py

@@ -263,39 +263,34 @@ def rebuild_tree(doctype, parent_field):
 		call rebuild_node for all root nodes
 	"""
 	# get all roots
+	webnotes.conn.auto_commit_on_many_writes = 1
+
 	right = 1
 	result = webnotes.conn.sql("SELECT name FROM `tab%s` WHERE `%s`='' or `%s` IS NULL ORDER BY name ASC" % (doctype, parent_field, parent_field))
 	for r in result:
 		right = rebuild_node(doctype, r[0], right, parent_field)
-		webnotes.conn.sql("commit")
-		webnotes.conn.sql("start transaction")
+
+	webnotes.conn.auto_commit_on_many_writes = 0
 		
-def rebuild_node(doctype, parent, left, parent_field, cnt = 0):
+def rebuild_node(doctype, parent, left, parent_field):
 	"""
 		reset lft, rgt and recursive call for all children
 	"""
 	from webnotes.utils import now
 	n = now()
-	
+
 	# the right value of this node is the left value + 1
 	right = left+1	
 
 	# get all children of this node
 	result = webnotes.conn.sql("SELECT name FROM `tab%s` WHERE `%s`='%s'" % (doctype, parent_field, parent))
 	for r in result:
-		right = rebuild_node(doctype, r[0], right, parent_field, cnt)
+		right = rebuild_node(doctype, r[0], right, parent_field)
 
 	# we've got the left value, and now that we've processed
 	# the children of this node we also know the right value
 	webnotes.conn.sql("UPDATE `tab%s` SET lft=%s, rgt=%s, modified='%s' WHERE name='%s'" % (doctype,left,right,n,parent))
 
-	# commit after every 100
-	cnt += 1
-	if cnt % 100 == 0:
-		cnt = 0
-		webnotes.conn.sql("commit")
-		webnotes.conn.sql("start transaction")
-
 	#return the right value of this node + 1
 	return right+1