f6bb5d0af6
preventing a change that would result in table data loss. (Bug #27149) Also updated mysql_convert_table_format to use --engine as the documentation claimed, and use the engine terminology throughout instead of the obsolete 'table type'.
147 lines
3.6 KiB
Bash
147 lines
3.6 KiB
Bash
#!/usr/bin/perl
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# Copyright (C) 2000-2002 MySQL AB
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# Convert given tables in a database to MYISAM
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use DBI;
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use Getopt::Long;
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$opt_help=$opt_version=$opt_verbose=$opt_force=0;
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$opt_user=$opt_database=$opt_password=undef;
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$opt_host="localhost";
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$opt_socket="";
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$opt_engine="MYISAM";
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$opt_port=0;
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$exit_status=0;
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GetOptions("force","help","host=s","password=s","user=s","engine|type=s","verbose","version","socket=s", "port=i") ||
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usage(0);
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usage($opt_version) if ($#ARGV < 0 || $opt_help || $opt_version);
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$opt_database=shift(@ARGV);
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if (grep { /^$opt_engine$/i } qw(HEAP MEMORY BLACKHOLE))
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{
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print "Converting to '$opt_engine' would delete your data; aborting\n";
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exit(1);
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}
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$connect_opt="";
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if ($opt_port)
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{
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$connect_opt.= ";port=$opt_port";
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}
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if (length($opt_socket))
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{
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$connect_opt.=";mysql_socket=$opt_socket";
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}
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$dbh = DBI->connect("DBI:mysql:$opt_database:${opt_host}$connect_opt",
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$opt_user,
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$opt_password,
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{ PrintError => 0})
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|| die "Can't connect to database $opt_database: $DBI::errstr\n";
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if ($#ARGV < 0)
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{
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# Fetch all table names from the database
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my ($sth,$row);
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$sth=$dbh->prepare("show tables");
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$sth->execute || die "Can't get tables from $opt_database; $DBI::errstr\n";
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while (($row = $sth->fetchrow_arrayref))
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{
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push(@ARGV,$row->[0]);
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}
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$sth->finish;
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}
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print "Converting tables:\n" if ($opt_verbose);
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foreach $table (@ARGV)
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{
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my ($sth,$row);
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# Check if table is already converted
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$sth=$dbh->prepare("show table status like '$table'");
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if ($sth->execute && ($row = $sth->fetchrow_arrayref))
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{
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if (uc($row->[1]) eq uc($opt_engine))
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{
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print "$table already uses the '$opt_engine' engine; Ignored\n";
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next;
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}
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}
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print "converting $table\n" if ($opt_verbose);
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$table=~ s/`/``/g;
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if (!$dbh->do("ALTER TABLE `$table` ENGINE=$opt_engine"))
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{
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print STDERR "Can't convert $table: Error $DBI::errstr\n";
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exit(1) if (!$opt_force);
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$exit_status=1;
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}
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}
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$dbh->disconnect;
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exit($exit_status);
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sub usage
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{
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my($version)=shift;
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print "$0 version 1.1\n";
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exit(0) if ($version);
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print <<EOF;
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Conversion of a MySQL tables to other storage engines
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Usage: $0 database [tables]
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If no tables has been specifed, all tables in the database will be converted.
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The following options are available:
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--force
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Continue even if there is some error.
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--help
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Shows this help
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--engine='engine'
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Converts tables to the given storage engine (Default: $opt_engine)
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--host='host name' (Default $opt_host)
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Host name where the database server is located.
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--password='password'
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Password for the current user.
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--port=port
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TCP/IP port to connect to if host is not "localhost".
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--socket='/path/to/socket'
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Socket to connect with.
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--user='user_name'
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User name to log into the SQL server.
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--verbose
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This is a test specific option that is only used when debugging a test.
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Print more information about what is going on.
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--version
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Shows the version of this program.
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EOF
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exit(1);
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}
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