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#
# Utility functions to copy files for WL#5522
#
# All the tables must be in the same database, you can call it like so:
# ib_backup_tablespaces("test", "t1", "blah", ...).
use File::Copy;
use File::Spec;
sub ib_normalize_path {
my ($path) = @_;
}
sub ib_backup_tablespace {
my ($db, $table) = @_;
my $datadir = $ENV{'MYSQLD_DATADIR'};
my $cfg_file = sprintf("%s.cfg", $table);
my $ibd_file = sprintf("%s.ibd", $table);
my $tmpd = $ENV{'MYSQLTEST_VARDIR'} . "/tmp";
my @args = (File::Spec->catfile($datadir, $db, $ibd_file),
File::Spec->catfile($tmpd, $ibd_file));
copy(@args) or die "copy @args failed: $!";
my @args = (File::Spec->catfile($datadir, $db, $cfg_file),
File::Spec->catfile($tmpd, $cfg_file));
copy(@args) or die "copy @args failed: $!";
}
sub ib_cleanup {
my ($db, $table) = @_;
my $datadir = $ENV{'MYSQLD_DATADIR'};
my $cfg_file = sprintf("%s.cfg", $table);
print "unlink: $cfg_file\n";
# These may or may not exist
unlink(File::Spec->catfile($datadir, $db, $cfg_file));
}
sub ib_unlink_tablespace {
my ($db, $table) = @_;
my $datadir = $ENV{'MYSQLD_DATADIR'};
my $ibd_file = sprintf("%s.ibd", $table);
print "unlink: $ibd_file\n";
# This may or may not exist
unlink(File::Spec->catfile($datadir, $db, $ibd_file));
ib_cleanup($db, $table);
}
sub ib_backup_tablespaces {
my ($db, @tables) = @_;
foreach my $table (@tables) {
print "backup: $table\n";
ib_backup_tablespace($db, $table);
}
}
sub ib_discard_tablespace { }
sub ib_discard_tablespaces { }
sub ib_restore_cfg_file {
my ($tmpd, $datadir, $db, $table) = @_;
my $cfg_file = sprintf("%s.cfg", $table);
my @args = (File::Spec->catfile($tmpd, $cfg_file),
File::Spec->catfile($datadir, "$db", $cfg_file));
copy(@args) or die "copy @args failed: $!";
}
sub ib_restore_ibd_file {
my ($tmpd, $datadir, $db, $table) = @_;
my $ibd_file = sprintf("%s.ibd", $table);
my @args = (File::Spec->catfile($tmpd, $ibd_file),
File::Spec->catfile($datadir, $db, $ibd_file));
copy(@args) or die "copy @args failed: $!";
}
sub ib_restore_tablespace {
my ($db, $table) = @_;
my $datadir = $ENV{'MYSQLD_DATADIR'};
my $tmpd = $ENV{'MYSQLTEST_VARDIR'} . "/tmp";
ib_restore_cfg_file($tmpd, $datadir, $db, $table);
ib_restore_ibd_file($tmpd, $datadir, $db, $table);
}
sub ib_restore_tablespaces {
my ($db, @tables) = @_;
foreach my $table (@tables) {
print "restore: $table .ibd and .cfg files\n";
ib_restore_tablespace($db, $table);
}
}
sub ib_restore_cfg_files {
my ($db, @tables) = @_;
my $datadir = $ENV{'MYSQLD_DATADIR'};
my $tmpd = $ENV{'MYSQLTEST_VARDIR'} . "/tmp";
foreach my $table (@tables) {
print "restore: $table .cfg file\n";
ib_restore_cfg_file($tmpd, $datadir, $db, $table);
}
}
sub ib_restore_ibd_files {
my ($db, @tables) = @_;
my $datadir = $ENV{'MYSQLD_DATADIR'};
my $tmpd = $ENV{'MYSQLTEST_VARDIR'} . "/tmp";
foreach my $table (@tables) {
print "restore: $table .ibd file\n";
ib_restore_ibd_file($tmpd, $datadir, $db, $table);
}
}
# Read the flag whether a tablespace is using full_crc32.
# Input: filehandle opened on the tablespace.
sub get_full_crc32 {
my ($TBLSPC)= @_;
my $old_pos= sysseek($TBLSPC, 0, 1);
die "tell() failed on tablespace filehandle: $!\n"
unless defined($old_pos);
sysseek($TBLSPC, 0, 0)
or die "sysseek() failed on tablespace filehandle: $!\n";
my $tblspc_hdr;
sysread($TBLSPC, $tblspc_hdr, 58)
or die "Cannot read tablespace header: $!\n";
sysseek($TBLSPC, $old_pos, 0)
or die "sysseek() failed on tablespace filehandle: $!\n";
my $full_crc32=
unpack("N", substr($tblspc_hdr, 54, 4)) & 0x10; # FIL_SPACE_FLAGS
return $full_crc32;
}
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