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Lots of fixes for BDB tables

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Change DROP TABLE to first drop the data, then the .frm file


Docs/manual.texi:
  Updated TODO and Changelog
include/Makefile.am:
  Portability fix
mysql-test/misc/select.res:
  ***MISSING WEAVE***
mysys/mf_iocache2.c:
  cleanup
scripts/mysqlhotcopy.sh:
  Fixed --noindices
sql-bench/Results/ATIS-pg-Linux_2.2.14_my_SMP_i686-cmp-mysql,pg:
  Updated benchmarks
sql-bench/Results/RUN-pg-Linux_2.2.14_my_SMP_i686-cmp-mysql,pg:
  Updated benchmarks
sql-bench/Results/alter-table-pg-Linux_2.2.14_my_SMP_i686-cmp-mysql,pg:
  Updated benchmarks
sql-bench/Results/big-tables-pg-Linux_2.2.14_my_SMP_i686-cmp-mysql,pg:
  Updated benchmarks
sql-bench/Results/connect-pg-Linux_2.2.14_my_SMP_i686-cmp-mysql,pg:
  Updated benchmarks
sql-bench/Results/create-pg-Linux_2.2.14_my_SMP_i686-cmp-mysql,pg:
  Updated benchmarks
sql-bench/Results/insert-pg-Linux_2.2.14_my_SMP_i686-cmp-mysql,pg:
  Updated benchmarks
sql-bench/Results/select-pg-Linux_2.2.14_my_SMP_i686-cmp-mysql,pg:
  Updated benchmarks
sql-bench/Results/wisconsin-pg-Linux_2.2.14_my_SMP_i686-cmp-mysql,pg:
  Updated benchmarks
sql-bench/limits/pg.cfg:
  Updated to new crash-me
sql-bench/server-cfg.sh:
  Fixes for pg 7.0.2
sql/ha_berkeley.cc:
  Lots of BDB table fixes
sql/ha_berkeley.h:
  Lots of BDB table fixes
sql/handler.cc:
  Change DROP TABLE to first drop the data, then the .frm file
sql/hostname.cc:
  Fixes for empty hostnames
sql/log.cc:
  Fixed transaction logging
sql/share/swedish/errmsg.OLD:
  cleanup
sql/sql_delete.cc:
  Fixes for logging
sql/sql_insert.cc:
  Fixes for logging
sql/sql_select.cc:
  Fixes for BDB tables
sql/sql_table.cc:
  Change DROP TABLE to first drop the data, then the .frm file
sql/sql_update.cc:
  Fixes for logging
BitKeeper/etc/ignore:
  Added scripts/mysqld_multi to the ignore list
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted
This commit is contained in:
unknown 2000-12-08 17:04:57 +02:00
commit 19d406d937
28 changed files with 590 additions and 399 deletions
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143
scripts/mysqlhotcopy.sh
View file

@ -37,10 +37,12 @@ WARNING: THIS IS VERY MUCH A FIRST-CUT ALPHA. Comments/patches welcome.
# Documentation continued at end of file
my $VERSION = "1.9";
my $opt_tmpdir= $main::env{TMPDIR};
my $opt_tmpdir= $main::ENV{TMPDIR};
my $OPTIONS = <<"_OPTIONS";
$0 Ver $VERSION
Usage: $0 db_name [new_db_name | directory]
-?, --help display this helpscreen and exit
@ -115,6 +117,8 @@ GetOptions( \%opt,
my @db_desc = ();
my $tgt_name = undef;
usage("") if ($opt{help});
if ( $opt{regexp} || $opt{suffix} || @ARGV > 2 ) {
$tgt_name = pop @ARGV unless ( exists $opt{suffix} );
@db_desc = map { s{^([^\.]+)\./(.+)/$}{$1}; { 'src' => $_, 't_regex' => ( $2 ? $2 : '.*' ) } } @ARGV;
@ -133,10 +137,9 @@ else {
}
}
my $mysqld_help;
my %mysqld_vars;
my $start_time = time;
my $opt_tmpdir= $opt{tempdir} ? $opt{tmpdir} : $main::env{TMPDIR};
my $opt_tmpdir= $opt{tmpdir} ? $opt{tmpdir} : $main::ENV{TMPDIR};
$0 = $1 if $0 =~ m:/([^/]+)$:;
$opt{quiet} = 0 if $opt{debug};
$opt{allowold} = 1 if $opt{keepold};
@ -310,15 +313,19 @@ print Dumper( \@db_desc ) if ( $opt{debug} );
die "No tables to hot-copy" unless ( length $hc_locks );
# --- create target directories ---
# --- create target directories if we are using 'cp' ---
my @existing = ();
foreach my $rdb ( @db_desc ) {
push @existing, $rdb->{target} if ( -d $rdb->{target} );
}
die "Can't hotcopy to '", join( "','", @existing ), "' because already exist and --allowold option not given.\n"
if ( @existing && !$opt{allowold} );
if ($opt{method} =~ /^cp\b/)
{
foreach my $rdb ( @db_desc ) {
push @existing, $rdb->{target} if ( -d $rdb->{target} );
}
die "Can't hotcopy to '", join( "','", @existing ), "' because already exist and --allowold option not given.\n"
if ( @existing && !$opt{allowold} );
}
retire_directory( @existing ) if ( @existing );
@ -385,54 +392,11 @@ foreach my $rdb ( @db_desc )
push @failed, "$rdb->{src} -> $rdb->{target} failed: $@"
if ( $@ );
@files = map { "$datadir/$rdb->{src}/$_" } @{$rdb->{index}};
@files = @{$rdb->{index}};
if ($rdb->{index})
{
#
# Copy only the header of the index file
#
my $tmpfile="$opt_tmpdir/mysqlhotcopy$$";
foreach my $file ($rdb->{index})
{
my $from="$datadir/$rdb->{src}/$file";
my $to="$rdb->{target}/$file";
my $buff;
open(INPUT, $from) || die "Can't open file $from: $!\n";
my $length=read INPUT, $buff, 2048;
die "Can't read index header from $from\n" if ($length <= 1024);
close INPUT;
if ( $opt{dryrun} )
{
print '$opt{method}-header $from $to\n';
}
elsif ($opt{method} eq 'cp')
{
!open(OUTPUT,$to) || die "Can\'t create file $to: $!\n";
if (write(OUTPUT,$buff) != length($buff))
{
die "Error when writing data to $to: $!\n";
}
close OUTPUT || die "Error on close of $to: $!\n";
}
elsif ($opt{method} eq 'scp')
{
my $tmp=$tmpfile;
open(OUTPUT,"$tmp") || die "Can\'t create file $tmp: $!\n";
if (write(OUTPUT,$buff) != length($buff))
{
die "Error when writing data to $tmp: $!\n";
}
close OUTPUT || die "Error on close of $tmp: $!\n";
safe_system('scp $tmp $to');
}
else
{
die "Can't use unsupported method '$opt{method}'\n";
}
}
unlink "$opt_tmpdir/mysqlhotcopy$$";
copy_index($opt{method}, \@files,
"$datadir/$rdb->{src}", $rdb->{target} );
}
if ( $opt{checkpoint} ) {
@ -534,9 +498,62 @@ sub copy_files {
safe_system (@cmd);
}
#
# Copy only the header of the index file
#
sub copy_index
{
my ($method, $files, $source, $target) = @_;
my $tmpfile="$opt_tmpdir/mysqlhotcopy$$";
print "Copying indices for ".@$files." files...\n" unless $opt{quiet};
foreach my $file (@$files)
{
my $from="$source/$file";
my $to="$target/$file";
my $buff;
open(INPUT, "<$from") || die "Can't open file $from: $!\n";
my $length=read INPUT, $buff, 2048;
die "Can't read index header from $from\n" if ($length < 1024);
close INPUT;
if ( $opt{dryrun} )
{
print "$opt{method}-header $from $to\n";
}
elsif ($opt{method} eq 'cp')
{
open(OUTPUT,">$to") || die "Can\'t create file $to: $!\n";
if (syswrite(OUTPUT,$buff) != length($buff))
{
die "Error when writing data to $to: $!\n";
}
close OUTPUT || die "Error on close of $to: $!\n";
}
elsif ($opt{method} eq 'scp')
{
my $tmp=$tmpfile;
open(OUTPUT,">$tmp") || die "Can\'t create file $tmp: $!\n";
if (syswrite(OUTPUT,$buff) != length($buff))
{
die "Error when writing data to $tmp: $!\n";
}
close OUTPUT || die "Error on close of $tmp: $!\n";
safe_system("scp $tmp $to");
}
else
{
die "Can't use unsupported method '$opt{method}'\n";
}
}
unlink "$tmpfile" if ($opt{method} eq 'scp');
}
sub safe_system
{
my @cmd=shift;
my @cmd= @_;
if ( $opt{dryrun} )
{
@ -546,7 +563,7 @@ sub safe_system
## for some reason system fails but backticks works ok for scp...
print "Executing '@cmd'\n" if $opt{debug};
my $cp_status = system @cmd;
my $cp_status = system "@cmd > /dev/null";
if ($cp_status != 0) {
warn "Burp ('scuse me). Trying backtick execution...\n" if $opt{debug}; #'
## try something else
@ -680,7 +697,9 @@ UNIX domain socket to use when connecting to local server
=item --noindices
don't include index files in copy
Don\'t include index files in copy. Only up to the first 2048 bytes
are copied; You can restore the indexes with isamchk -r or myisamchk -r
on the backup.
=item --method=#
@ -689,9 +708,10 @@ method for copy (only "cp" currently supported). Alpha support for
will vary with your ability to understand how scp works. 'man scp'
and 'man ssh' are your friends.
The destination directory _must exist_ on the target machine using
the scp method. Liberal use of the --debug option will help you figure
out what's really going on when you do an scp.
The destination directory _must exist_ on the target machine using the
scp method. --keepold and --allowold are meeningless with scp.
Liberal use of the --debug option will help you figure out what\'s
really going on when you do an scp.
Note that using scp will lock your tables for a _long_ time unless
your network connection is _fast_. If this is unacceptable to you,
@ -755,3 +775,4 @@ Ralph Corderoy - added synonyms for commands
Scott Wiersdorf - added table regex and scp support
Monty - working --noindex (copy only first 2048 bytes of index file)
Fixes for --method=scp