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Added isolation levels

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Added SELECT .. FOR UPDATE and SELECT .. IN SHARE MODE
This commit is contained in:
monty@tik.mysql.fi
2001-03-21 01:02:22 +02:00
parent ef75476c67
commit 6f9a73a1ba
22 changed files with 381 additions and 142 deletions
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26
scripts/mysqlhotcopy.sh
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@@ -36,7 +36,7 @@ WARNING: THIS IS VERY MUCH A FIRST-CUT ALPHA. Comments/patches welcome.
# Documentation continued at end of file
my $VERSION = "1.10";
my $VERSION = "1.11";
my $opt_tmpdir = $ENV{TMPDIR} || "/tmp";
@@ -65,6 +65,8 @@ Usage: $0 db_name [new_db_name | directory]
--suffix=# suffix for names of copied databases
--checkpoint=# insert checkpoint entry into specified db.table
--flushlog flush logs once all tables are locked
--resetmaster reset the binlog once all tables are locked
--resetslave reset the master.info once all tables are locked
--tmpdir=# temporary directory (instead of $opt_tmpdir)
Try 'perldoc $0 for more complete documentation'
@@ -100,6 +102,8 @@ GetOptions( \%opt,
"suffix=s",
"checkpoint=s",
"flushlog",
"resetmaster",
"resetslave",
"tmpdir|t=s",
"dryrun|n",
) or usage("Invalid option");
@@ -369,6 +373,8 @@ if ( $opt{dryrun} ) {
print "LOCK TABLES $hc_locks\n";
print "FLUSH TABLES /*!32323 $hc_tables */\n";
print "FLUSH LOGS\n" if ( $opt{flushlog} );
print "RESET MASTER\n" if ( $opt{resetmaster} );
print "RESET SLAVE\n" if ( $opt{resetslave} );
}
else {
my $start = time;
@@ -381,6 +387,8 @@ else {
$dbh->do("FLUSH TABLES /*!32323 $hc_tables */");
printf "Flushed tables ($hc_tables) in %d seconds.\n", time-$start unless $opt{quiet};
$dbh->do( "FLUSH LOGS" ) if ( $opt{flushlog} );
$dbh->do( "RESET MASTER" ) if ( $opt{resetmaster} );
$dbh->do( "RESET SLAVE" ) if ( $opt{resetslave} );
}
my @failed = ();
@@ -658,6 +666,18 @@ of keeping the backup directory after the copy successfully completes.
Rotate the log files by executing "FLUSH LOGS" after all tables are
locked, and before they are copied.
=item --resetmaster
Reset the bin-log by executing "RESET MASTER" after all tables are
locked, and before they are copied. Usefull if you are recovering a
slave in a replication setup.
=item --resetslave
Reset the master.info by executing "RESET SLAVE" after all tables are
locked, and before they are copied. Usefull if you are recovering a
server in a mutual replication setup.
=item --regexp pattern
Copy all databases with names matching the pattern
@@ -742,6 +762,7 @@ Study the code inside this script and only rely on it if I<you> believe
that it does the right thing for you.
Patches adding bug fixes, documentation and new features are welcome.
Please send these to internals@mysql.com.
=head1 TO DO
@@ -780,3 +801,6 @@ Monty - working --noindex (copy only first 2048 bytes of index file)
Fixes for --method=scp
Ask Bjoern Hansen - Cleanup code to fix a few bugs and enable -w again.
Emil S. Hansen - Added resetslave and resetmaster.