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#!/usr/bin/perl
# This is a test with stores big records in a blob.
# Note that for the default test the mysql server should have been
# started with at least 'mysqld -O max_allowed_packet=30M' and you should have
# at least 256M memory in your computer.
use DBI;
use Getopt::Long;
$opt_host="";
$opt_user=$opt_password="";
$opt_db="test";
$opt_rows=20; # Test of blobs up to ($rows-1)*100000+1 bytes
$opt_compress=0;
$opt_table="test_big_record";
$opt_loop_count=100000; # Change this to make test harder/easier
GetOptions("host=s","db=s","user=s", "password=s", "table=s", "rows=i",
"compress", "loop-count=i") || die "Aborted";
print "Connection to database $test_db\n";
$extra_options="";
$extra_options.=":mysql_compression=1" if ($opt_compress);
$dbh = DBI->connect("DBI:mysql:$opt_db:$host$extra_options",$opt_user,$opt_password) || die "Can't connect: $DBI::errstr\n";
$dbh->do("drop table if exists $opt_table");
print "Creating table $opt_table\n";
($dbh->do("\
CREATE TABLE $opt_table (
auto int(5) unsigned NOT NULL DEFAULT '0' auto_increment,
test longblob,
PRIMARY KEY (auto))")) or die $DBI::errstr;
print "Inserting $opt_rows records\n";
$|=1; # Flush output to stdout to be able to monitor process
for ($i=0 ; $i < $opt_rows ; $i++)
{
$tmp= chr(65+($i % 16)) x ($i*100000+1);
$tmp= $dbh->quote($tmp);
$dbh->do("insert into $opt_table (test) values ($tmp)") or die $DBI::errstr;
print ".";
}
print "\nReading records\n";
$sth=$dbh->prepare("select * from $opt_table", { "mysql_use_result" => 1}) or die $dbh->errstr;
$sth->execute() or die $sth->errstr;
$i=0;
while (($row = $sth->fetchrow_arrayref))
{
die "Record $i had wrong data in blob" if ($row->[1] ne (chr(65+($i % 16)) x ($i*100000+1)));
$i++;
}
die "Didn't get all rows from server" if ($i != $opt_rows);
#
# Test by insert/updating/deleting random rows for a while
#
print "Testing insert/update/delete\n";
$max_row_id= $rows;
for ($i= 0 ; $i < $opt_loop_count ; $i++)
{
$length= int(rand 65535);
$tmp= chr(65+($i % 16)) x $length;
$tmp= $dbh->quote($tmp);
$dbh->do("insert into $opt_table (test) values ($tmp)") or die $DBI::errstr;
$max_row_id++;
$length=int(rand 65535);
$tmp= chr(65+($i % 16)) x $length;
$tmp= $dbh->quote($tmp);
$id= int(rand $max_row_id);
$dbh->do("update $opt_table set test= $tmp where auto= $id") or die $DBI::errstr;
if (($i % 2) == 1)
{
$id= int(rand $max_row_id);
$dbh->do("delete from $opt_table where auto= $id") or die $DBI::errstr;
}
print "." if ($i % ($opt_loop_count/100) == 1);
}
# $dbh->do("drop table $opt_table") or die $DBI::errstr;
print "\nTest ok\n";
exit 0;
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