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awesome_nested_set: split highest rgt reader method (#6579) 

git-svn-id: http://svn.redmine.org/redmine/trunk@13010 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Toshi MARUYAMA 2014-03-26 01:48:04 +00:00
parent 3c83d1c646
commit 755108566c
1 changed files with 9 additions and 6 deletions
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15
lib/plugins/awesome_nested_set/lib/awesome_nested_set/awesome_nested_set.rb
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@ -538,15 +538,18 @@ module CollectiveIdea #:nodoc:
end end
end end
# on creation, set automatically lft and rgt to the end of the tree def right_most_bound
def set_default_left_and_right right_most_node =
highest_right_row =
self.class.base_class.unscoped. self.class.base_class.unscoped.
order("#{quoted_right_column_full_name} desc").limit(1).lock(true).first order("#{quoted_right_column_full_name} desc").limit(1).lock(true).first
maxright = highest_right_row ? (highest_right_row[right_column_name] || 0) : 0 right_most_node ? right_most_node[right_column_name] : 0
end
# on creation, set automatically lft and rgt to the end of the tree
def set_default_left_and_right
# adds the new node to the right of all existing nodes # adds the new node to the right of all existing nodes
self[left_column_name] = maxright + 1 self[left_column_name] = right_most_bound + 1
self[right_column_name] = maxright + 2 self[right_column_name] = right_most_bound + 2
end end
def in_tenacious_transaction(&block) def in_tenacious_transaction(&block)