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  1. or download this
    my $sql = <<'END';
select the_data
from my_table
...

# this line throws my error
my $data = $sth->fetchall_arrayref;
  2. or download this
    my $sql = <<'END';
select the_data
from my_table
...

# This line now completes successfully
my $data = $sth->fetchall_arrayref;