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//usr/share/doc/perl-DBD-MySQL-4.023/eg/bug30033.pl
#!/usr/bin/perl use strict; use warnings; use Data::Dumper; use Getopt::Long; use DBI; our $opt_prepared; GetOptions ( "p|prepared" => \$opt_prepared ); my $dsn = "DBI:mysql:database=test;host=localhost"; $dsn .= ";mysql_server_prepare=1" if $opt_prepared; my $dbh = DBI->connect( $dsn, 'root', '', { RaiseError => 1 } ) or die $DBI::errstr; unlink('./bug3033.trace.log'); $dbh->trace(4, './bug3033_trace.log'); $dbh->do('DROP TABLE IF EXISTS buggy'); $dbh->do('CREATE TABLE buggy ( id int(3) )'); $dbh->do('INSERT INTO buggy (id) VALUES (1)'); my $query= "SELECT id FROM -- It's a bug buggy WHERE id = ?"; print "with var:\n"; my $ref= $dbh->selectall_arrayref($query, {}, 1); print Dumper $ref; print "with string terminator:\n"; $ref= $dbh->selectall_arrayref(<<END, {}, 1); SELECT id FROM buggy -- It's a bug! WHERE id = ? END print Dumper $ref;