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Use r13844 workaround for SQLServer only.

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git-svn-id: http://svn.redmine.org/redmine/trunk@13845 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Jean-Philippe Lang 2015-01-07 21:11:05 +00:00
parent a7378e450d
commit dcda9977e3
1 changed files with 8 additions and 3 deletions
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11
lib/redmine/nested_set/issue_nested_set.rb
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@ -149,12 +149,17 @@ module Redmine
end
def lock_nested_set
lock = true
if self.class.connection.adapter_name =~ /sqlserver/i
lock = "WITH (ROWLOCK HOLDLOCK UPDLOCK)"
# Custom lock for SQLServer
# This can be problematic if root_id or parent root_id changes
# before locking
sets_to_lock = [root_id, parent.try(:root_id)].compact.uniq
self.class.reorder(:id).where(:root_id => sets_to_lock).lock(lock).ids
else
sets_to_lock = [id, parent_id].compact
self.class.reorder(:id).where("root_id IN (SELECT root_id FROM #{self.class.table_name} WHERE id IN (?))", sets_to_lock).lock.ids
end
sets_to_lock = [root_id, parent.try(:root_id)].compact.uniq
self.class.reorder(:id).where(:root_id => sets_to_lock).lock(lock).ids
end
def nested_set_scope