In this case I will use the sample below for SQL queries that require a more complex call, yes I could use this:
my $rs = $sth->fetchall_arrayref({});
...
my $sql = "select id, account_number, CONVERT(VARCHAR(10),date,101) a
+s date
from my_table where id <>''
order by date desc";
my @columns = qw( id account_number box );
my $results = $self->_all_data($sql, \@columns);
...
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