Displaying 1 result from an estimated 1 matches for "right_bound".
2006 May 31
1
Help enhancing acts_as_nested_set
...s unknown
self.class.add_root self
end
if child.unknown?
# OK, add as the last child into self
# we need to add and shift everything else to the right
self.class.transaction {
child[parent_column] = self.id
right_bound = self[right_col_name]
child[left_col_name] = right_bound
child[right_col_name] = right_bound + 1
self[right_col_name] += 2
self.class.update_all( "#{left_col_name} = (#{left_col_name}
+ 2)", "#{left_col_name} >= #{right_bou...