~drizzle-trunk/drizzle/development

#!/usr/bin/perl

# Copyright (C) 2000-2002 MySQL AB

# 

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; version 2 of the License.

# 

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

# 

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

# 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);

}