The $array_ref is the record set. One line of the record set looks like the following:
...
334 Capped 28 5034366 16777215 NULL NULL NULL
373 Capped 28 5034366 16777215 NULL NULL NULL
...
$hash_ref is an empty hash.
It should look like:
Key value = '55034366';
$VAR148 = [
[
'334',
'Capped ',
28,
16777215,
undef,
undef
],
[
'373 ',
'Capped ',
28,
16777215,
undef,
undef
],
]
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