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Improved cascade updae tree #1

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Improved cascade updae tree #1

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3 changes: 0 additions & 3 deletions Gemfile.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,3 @@ PLATFORMS
DEPENDENCIES
pg_ltree!
yard

BUNDLED WITH
1.10.5
6 changes: 4 additions & 2 deletions lib/pg_ltree/ltree.rb
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Expand Up @@ -191,8 +191,10 @@ def children
#
# @return [ActiveRecord::Relation]
def cascade_update
ltree_scope.where(["#{ltree_path_column} <@ ?", ltree_path_was]).where(["#{ltree_path_column} != ?", ltree_path]).
update_all ["#{ltree_path_column} = ? || subpath(#{ltree_path_column}, nlevel(?))", ltree_path, ltree_path_was]
if ltree_path_was.include? self.id.to_s
ltree_scope.where(["#{ltree_path_column} <@ ?", ltree_path_was]).where(["#{ltree_path_column} != ?", ltree_path]).
update_all ["#{ltree_path_column} = ? || subpath(#{ltree_path_column}, nlevel(?))", ltree_path, ltree_path_was]
end
end

# Delete all children for current path
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