presto-base-jdbc/src/main/java/io/prestosql/plugin/jdbc/JdbcMetadata.java/JdbcMetadata/getTableHandle
class JdbcMetadata:    @Override
    public JdbcTableHandle getTableHandle(ConnectorSession session, SchemaTableName tableName)
    {
        return jdbcClient.getTableHandle(JdbcIdentity.from(session), tableName)
                .orElse(null);
    }