| @@ -149,12 +149,17 module Redmine | |||
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149 | 149 | end |
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150 | 150 | |
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151 | 151 | def lock_nested_set |
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152 | lock = true | |
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153 | 152 | if self.class.connection.adapter_name =~ /sqlserver/i |
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154 | 153 | lock = "WITH (ROWLOCK HOLDLOCK UPDLOCK)" |
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154 | # Custom lock for SQLServer | |
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155 | # This can be problematic if root_id or parent root_id changes | |
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156 | # before locking | |
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157 | sets_to_lock = [root_id, parent.try(:root_id)].compact.uniq | |
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158 | self.class.reorder(:id).where(:root_id => sets_to_lock).lock(lock).ids | |
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159 | else | |
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160 | sets_to_lock = [id, parent_id].compact | |
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161 | self.class.reorder(:id).where("root_id IN (SELECT root_id FROM #{self.class.table_name} WHERE id IN (?))", sets_to_lock).lock.ids | |
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155 | 162 | end |
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156 | sets_to_lock = [root_id, parent.try(:root_id)].compact.uniq | |
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157 | self.class.reorder(:id).where(:root_id => sets_to_lock).lock(lock).ids | |
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158 | 163 | end |
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159 | 164 | |
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160 | 165 | def nested_set_scope |
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