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author | Emilio Tagua <miloops@gmail.com> | 2010-12-20 11:23:07 -0300 |
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committer | Emilio Tagua <miloops@gmail.com> | 2010-12-20 11:23:07 -0300 |
commit | 02fc6fbccdd3345e95592cc14e7855e2f1ea14b3 (patch) | |
tree | b26b91e2b2fad62ec382c9cee4ca2ac318f09257 /activerecord/lib/active_record/locking/optimistic.rb | |
parent | 2ba06b48defaca940e7c878724e2fb1c090eaa92 (diff) | |
parent | 0cbfd6c28d327304432f7d0c067662b5c1e41a78 (diff) | |
download | rails-02fc6fbccdd3345e95592cc14e7855e2f1ea14b3.tar.gz rails-02fc6fbccdd3345e95592cc14e7855e2f1ea14b3.tar.bz2 rails-02fc6fbccdd3345e95592cc14e7855e2f1ea14b3.zip |
Merge remote branch 'rails/master' into identity_map
Conflicts:
activerecord/lib/active_record/associations/association_proxy.rb
activerecord/lib/active_record/autosave_association.rb
activerecord/lib/active_record/base.rb
activerecord/lib/active_record/persistence.rb
Diffstat (limited to 'activerecord/lib/active_record/locking/optimistic.rb')
-rw-r--r-- | activerecord/lib/active_record/locking/optimistic.rb | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb index bf626301f1..e5065de7fb 100644 --- a/activerecord/lib/active_record/locking/optimistic.rb +++ b/activerecord/lib/active_record/locking/optimistic.rb @@ -70,7 +70,7 @@ module ActiveRecord result[self.class.locking_column] ||= 0 end - return result + result end def update(attribute_names = @attributes.keys) #:nodoc: @@ -87,11 +87,13 @@ module ActiveRecord begin relation = self.class.unscoped - affected_rows = relation.where( + stmt = relation.where( relation.table[self.class.primary_key].eq(quoted_id).and( - relation.table[self.class.locking_column].eq(quote_value(previous_value)) + relation.table[lock_col].eq(quote_value(previous_value)) ) - ).arel.update(arel_attributes_values(false, false, attribute_names)) + ).arel.compile_update(arel_attributes_values(false, false, attribute_names)) + + affected_rows = connection.update stmt.to_sql unless affected_rows == 1 raise ActiveRecord::StaleObjectError, "Attempted to update a stale object: #{self.class.name}" @@ -110,12 +112,10 @@ module ActiveRecord return super unless locking_enabled? if persisted? - lock_col = self.class.locking_column - previous_value = send(lock_col).to_i - table = self.class.arel_table - predicate = table[self.class.primary_key].eq(id) - predicate = predicate.and(table[self.class.locking_column].eq(previous_value)) + lock_col = self.class.locking_column + predicate = table[self.class.primary_key].eq(id). + and(table[lock_col].eq(send(lock_col).to_i)) affected_rows = self.class.unscoped.where(predicate).delete_all |