presto-main/src/main/java/io/prestosql/split/PageSinkManager.java/PageSinkManager/createPageSink
class PageSinkManager:    @Override
    public ConnectorPageSink createPageSink(Session session, InsertTableHandle tableHandle)
    {
        // assumes connectorId and catalog are the same
        ConnectorSession connectorSession = session.toConnectorSession(tableHandle.getCatalogName());
        return providerFor(tableHandle.getCatalogName()).createPageSink(tableHandle.getTransactionHandle(), connectorSession, tableHandle.getConnectorHandle());
    }