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#!/usr/bin/env perl
BEGIN {
use lib '.', 'blib/lib', 'blib/arch';
system 'make';
}
use strict;
use warnings;
use DBI ':sql_types';
use utf8;
use Data::Dumper;
use YAML;
use DBD::Pg qw/:pg_types/;
use Data::Peek;
use vars qw/$sth $info $count $SQL/;
my $tracelevel = shift || 0;
$ENV{DBI_TRACE} = $tracelevel;
my $DSN = 'DBI:Pg:dbname=postgres';
my $dbh = DBI->connect($DSN, '', '', {AutoCommit=>0,RaiseError=>1,PrintError=>0})
or die "Connection failed!\n";
my $me = $dbh->{Driver}{Name};
print "DBI is version $DBI::VERSION, I am $me, version of DBD::Pg is $DBD::Pg::VERSION\n";
utf8_print_test();
#memory_leak_test_bug_65734();
exit;
sub utf8_print_test {
## Set things up
$dbh->do('CREATE TEMPORARY TABLE ctest (c TEXT)');
## Add some UTF-8 content
$dbh->do("INSERT INTO ctest VALUES ('*JIHOMORAVSKÝ*')");
$dbh->do("INSERT INTO ctest VALUES ('*Špindlerův Mlýn*')");
## Pull data back out via execute/bind/fetch
$SQL = 'SELECT c FROM ctest';
my $result;
for my $loop (1..4) {
my $onoff = 'off';
if ($loop == 1 or $loop==3) {
$dbh->{pg_enable_utf8} = 0;
}
else {
$dbh->{pg_enable_utf8} = 1;
$onoff = 'on';
}
if ($loop>2) {
binmode STDOUT, ':utf8';
}
$sth = $dbh->prepare($SQL);
$sth->execute();
$sth->bind_columns(\$result);
while ($sth->fetch() ) {
print DPeek $result;
print "\n Print with pg_enable_utf8 $onoff: $result\n";
warn " Warn with pg_enable_utf8 $onoff: $result\n\n";
utf8::upgrade($result);
print DPeek $result; print "\n\n";
}
}
} ## end of utf8_print_test
sub memory_leak_test_bug_65734 {
## Memory leak when an array appears in the bind variables
## Set things up
$dbh->do('CREATE TEMPORARY TABLE tbl1 (id SERIAL PRIMARY KEY, val INTEGER[])');
$dbh->do('CREATE TEMPORARY TABLE tbl2 (id SERIAL PRIMARY KEY, val INTEGER)');
## Subroutine that performs the leaking action
sub leakmaker1 {
$dbh->do('INSERT INTO tbl1(val) VALUES (?)', undef, [123]);
}
## Control subroutine that does not leak
sub leakmaker2 {
$dbh->do('INSERT INTO tbl2(val) VALUES (?)', undef, 123);
}
leakcheck(\&leakmaker1,1000);
exit;
} ## end of memory_leak_test_bug_65734
sub leakcheck {
my $sub = shift;
my $count = shift || 1000;
my $maxsize = shift || 100000;
## Safety check:
if (exists $ENV{DBI_TRACE} and $ENV{DBI_TRACE} != 0 and $ENV{DBI_TRACE} != 42) {
$maxsize = 1;
}
my $runs = 0;
while (1) {
last if $runs++ >= $maxsize;
&$sub();
unless ($runs % $count) {
printf "Cycles: %d\tProc size: %uK\n",
$runs,
(-f "/proc/$$/stat")
? do { local @ARGV="/proc/$$/stat"; (split (/\s/, <>))[22] / 1024 }
: -1;
}
}
} ## end of leakcheck
__END__
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