module Sequel::Plugins::MssqlOptimisticLocking::InstanceMethods
Private Instance Methods
_save_update_all_columns_hash()
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Remove the lock column from the columns to update. SQL Server automatically updates the lock column value, and does not like it to be assigned.
Calls superclass method
# File lib/sequel/plugins/mssql_optimistic_locking.rb, line 47 def _save_update_all_columns_hash v = super v.delete(model.lock_column) v end
_update_without_checking(columns)
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Add an OUTPUT clause to fetch the updated timestamp when updating the row.
# File lib/sequel/plugins/mssql_optimistic_locking.rb, line 54 def _update_without_checking(columns) ds = _update_dataset lc = model.lock_column rows = ds.clone(ds.send(:default_server_opts, :sql=>ds.output(nil, [Sequel[:inserted][lc]]).update_sql(columns))).all values[lc] = rows.first[lc] unless rows.empty? rows.length end
lock_column_instance_filter_value()
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Make the instance filter value a blob.
Calls superclass method
# File lib/sequel/plugins/mssql_optimistic_locking.rb, line 40 def lock_column_instance_filter_value Sequel.blob(super) end