We don’t bounce through DO::<Adapter/scheme>::SavePoint because there doesn’t appear to be any custom SQL to support this.
# File lib/data_objects/transaction.rb, line 70 def self.create_for_uri(uri, connection) uri = uri.is_a?(String) ? URI::parse(uri) : uri DataObjects::SavePoint.new(uri, connection) end
# File lib/data_objects/transaction.rb, line 84 def begin run %{SAVEPOINT "#{@id}"} end
SavePoints can only occur in the context of a Transaction, thus they re-use TXN’s connection (which was acquired from the connection pool legitimately via DO::Connection.new). We no-op close in SP because calling DO::Connection#close will release the connection back into the pool (before the top-level Transaction might be done with it).
# File lib/data_objects/transaction.rb, line 80 def close # no-op end
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