mirror of
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5cc2096f93
Perl DBD::MariaDB driver is available CPAN and is already used in production environment.
167 lines
4.1 KiB
Bash
167 lines
4.1 KiB
Bash
#!@PERL_PATH@
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# Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
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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 02110-1335 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(
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"e|engine|type=s" => \$opt_engine,
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"f|force" => \$opt_force,
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"help|?" => \$opt_help,
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"h|host=s" => \$opt_host,
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"p|password=s" => \$opt_password,
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"u|user=s" => \$opt_user,
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"v|verbose" => \$opt_verbose,
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"V|version" => \$opt_version,
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"S|socket=s" => \$opt_socket,
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"P|port=i" => \$opt_port
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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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$connect_opt.=";mariadb_socket=$opt_socket";
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}
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$dbh = DBI->connect("DBI:MariaDB:$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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my @tables;
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push(@ARGV, "%") if(!@ARGV);
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foreach $pattern (@ARGV)
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{
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my ($sth,$row);
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$sth=$dbh->prepare("SHOW TABLES LIKE ?");
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$rv= $sth->execute($pattern);
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if(!int($rv))
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{
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warn "Can't get tables matching '$pattern' from $opt_database; $DBI::errstr\n";
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exit(1) unless $opt_force;
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}
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while (($row = $sth->fetchrow_arrayref))
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{
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push(@tables, $row->[0]);
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}
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$sth->finish;
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}
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print "Converting tables:\n" if ($opt_verbose);
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foreach $table (@tables)
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{
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my ($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 MariaDB tables to other storage engines
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Usage: $0 database [table[ table ...]]
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If no tables has been specifed, all tables in the database will be converted.
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You can also use wildcards, ie "my%"
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The following options are available:
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-f, --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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-e, --engine=ENGINE
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Converts tables to the given storage engine (Default: $opt_engine)
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-h, --host=HOST
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Host name where the database server is located. (Default: $opt_host)
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-p, --password=PASSWORD
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Password for the current user.
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-P, --port=PORT
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TCP/IP port to connect to if host is not "localhost".
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-S, --socket=SOCKET
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Socket to connect with.
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-u, --user=USER
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User name to log into the SQL server.
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-v, --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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-V, --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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