system: Linux mars.sprixweb.com 3.10.0-1160.119.1.el7.x86_64 #1 SMP Tue Jun 4 14:43:51 UTC 2024 x86_64

cmd: 

#!/usr/bin/perl

use strict;
use warnings;
use Data::Dumper;

use DBI;

my $dsn = "DBI:Pg:database=postgres;host=localhost";
my $dbh = DBI->connect( $dsn, 'postgres', '', { RaiseError => 1 } )
or die $DBI::errstr;

$dbh->do('CREATE TABLE buggy ( id INT )');
$dbh->do('INSERT INTO buggy (id) VALUES (1)');
my $ref= $dbh->selectrow_arrayref(<<END, {}, 1);
SELECT id
FROM buggy
-- it's a bug!
WHERE id = ?
END
print Dumper $ref;
$dbh->do('DROP TABLE buggy');