Description:
------------
7.2.11-2+0~20181015120801.9+stretch~1.gbp8105e0
mysql 8.12

execute this query:
 SELECT `ST`.* FROM `information_schema`.`STATISTICS` `ST` WHERE `ST`.`TABLE_SCHEMA` = 'global' AND `ST`.`TABLE_NAME` = 'deploy' ORDER BY `ST`.`INDEX_NAME` ASC, `ST`.`SEQ_IN_INDEX` ASC

execute \mysqli_fetch_fields( $result );
orgtable field is empty

Test script:
---------------
<?php
$connection = mysqli_connect( '127.0.0.1', 'root' );

$mysqliResult = mysqli_query( $connection, " SELECT `ST`.* FROM `information_schema`.`STATISTICS` `ST` WHERE `ST`.`TABLE_SCHEMA` = 'global' AND `ST`.`TABLE_NAME` = 'deploy' ORDER BY `ST`.`INDEX_NAME` ASC, `ST`.`SEQ_IN_INDEX` ASC" );
var_dump( \mysqli_fetch_fields( $mysqliResult ) );

Expected result:
----------------
filled orgtable column

Actual result:
--------------
empty orgtable column