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#!@PERL@
# Convert given tables in a database to MYISAM
use DBI;
use Getopt::Long;
$opt_help=$opt_version=$opt_verbose=$opt_force=0;
$opt_user=$opt_database=$opt_password=undef;
$opt_host="localhost";
$opt_socket="";
$opt_type="MYISAM";
$opt_port=0;
$exit_status=0;
GetOptions("force","help","host=s","password=s","user=s","type=s","verbose","version","socket=s", "port=i") ||
usage(0);
usage($opt_version) if ($#ARGV < 0 || $opt_help || $opt_version);
$opt_database=shift(@ARGV);
if (uc($opt_type) eq "HEAP")
{
print "Converting to type HEAP would delete your tables; aborting\n";
exit(1);
}
$connect_opt="";
if ($opt_port)
{
$connect_opt.= ";port=$opt_port";
}
if (length($opt_socket))
{
$connect_opt.=";mysql_socket=$opt_socket";
}
$dbh = DBI->connect("DBI:mysql:$opt_database:${opt_host}$connect_opt",
$opt_user,
$opt_password,
{ PrintError => 0})
|| die "Can't connect to database $opt_database: $DBI::errstr\n";
if ($#ARGV < 0)
{
# Fetch all table names from the database
my ($sth,$row);
$sth=$dbh->prepare("show tables");
$sth->execute || die "Can't get tables from $opt_database; $DBI::errstr\n";
while (($row = $sth->fetchrow_arrayref))
{
push(@ARGV,$row->[0]);
}
$sth->finish;
}
print "Converting tables:\n" if ($opt_verbose);
foreach $table (@ARGV)
{
my ($sth,$row);
# Check if table is already converted
$sth=$dbh->prepare("show table status like '$table'");
if ($sth->execute && ($row = $sth->fetchrow_arrayref))
{
if (uc($row->[1]) eq uc($opt_type))
{
print "$table is already of type $opt_type; Ignored\n";
next;
}
}
print "converting $table\n" if ($opt_verbose);
if (!$dbh->do("ALTER TABLE $table ENGINE=$opt_type"))
{
print STDERR "Can't convert $table: Error $DBI::errstr\n";
exit(1) if (!$opt_force);
$exit_status=1;
}
}
$dbh->disconnect;
exit($exit_status);
sub usage
{
my($version)=shift;
print "$0 version 1.1\n";
exit(0) if ($version);
print <<EOF;
Conversion of a MySQL tables to other table types.
Usage: $0 database [tables]
If no tables has been specifed, all tables in the database will be converted.
The following options are available:
--force
Continue even if there is some error.
--help or --Information
Shows this help
--host='host name' (Default $opt_host)
Host name where the database server is located.
--password='password'
Password for the current user.
--port=port
TCP/IP port to connect to if host is not "localhost".
--socket='/path/to/socket'
Socket to connect with.
--ENGINE='table-type'
Converts tables to the given table type (Default: $opt_type)
MySQL 3.23 supports at least the BDB, ISAM and MYISAM types.
--user='user_name'
User name to log into the SQL server.
--verbose
This is a test specific option that is only used when debugging a test.
Print more information about what is going on.
--version
Shows the version of this program.
EOF
exit(1);
}
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