presto-base-jdbc/src/main/java/io/prestosql/plugin/jdbc/jmx/StatisticsAwareJdbcClient.java/StatisticsAwareJdbcClient/toPrestoType
class StatisticsAwareJdbcClient:    @Override
    public Optional<ColumnMapping> toPrestoType(ConnectorSession session, Connection connection, JdbcTypeHandle typeHandle)
    {
        return stats.toPrestoType.wrap(() -> getDelegate().toPrestoType(session, connection, typeHandle));
    }