mirror of
https://github.com/postgres/postgres.git
synced 2025-08-08 06:02:22 +03:00
rserv replication toolkit from Vadim Mikheev.
This commit is contained in:
65
contrib/rserv/SlaveInit.in
Normal file
65
contrib/rserv/SlaveInit.in
Normal file
@@ -0,0 +1,65 @@
|
||||
# -*- perl -*-
|
||||
# SlaveInit
|
||||
# Vadim Mikheev, (c) 2000, PostgreSQL Inc.
|
||||
|
||||
eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}'
|
||||
& eval 'exec perl -S $0 $argv:q'
|
||||
if 0;
|
||||
|
||||
use Pg;
|
||||
use Getopt::Long;
|
||||
|
||||
$| = 1;
|
||||
|
||||
$result = GetOptions("debug!", "verbose!", "quiet!", "help",
|
||||
"host=s", "user=s", "password=s");
|
||||
|
||||
my $debug = $opt_debug || 0;
|
||||
my $verbose = $opt_verbose || 0;
|
||||
my $quiet = $opt_quiet || 0;
|
||||
|
||||
if (defined($opt_help) || (scalar(@ARGV) < 1)) {
|
||||
print "Usage: $0 --host=name --user=name --password=string slavedb\n";
|
||||
exit ((scalar(@ARGV) < 1)? 1:0);
|
||||
}
|
||||
|
||||
my $slave = $ARGV[0] || "slave";
|
||||
|
||||
my $sinfo = "dbname=$slave";
|
||||
$sinfo = "$sinfo host=$opt_host" if (defined($opt_host));
|
||||
$sinfo = "$sinfo user=$opt_user" if (defined($opt_user));
|
||||
$sinfo = "$sinfo password=$opt_password" if (defined($opt_password));
|
||||
|
||||
sub RollbackAndQuit {
|
||||
my $conn = shift @_;
|
||||
|
||||
print STDERR $conn->errorMessage;
|
||||
$conn->exec("ROLLBACK");
|
||||
exit (-1);
|
||||
}
|
||||
|
||||
print "Connecting to $sinfo\n";
|
||||
my $conn = Pg::connectdb($sinfo);
|
||||
if ($conn->status != PGRES_CONNECTION_OK) {
|
||||
print STDERR "Failed opening $sinfo\n";
|
||||
exit 1;
|
||||
}
|
||||
|
||||
my $result = $conn->exec("BEGIN");
|
||||
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
|
||||
|
||||
$result = $conn->exec("set transaction isolation level serializable");
|
||||
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
|
||||
|
||||
$result = $conn->exec("create table _RSERV_SLAVE_TABLES_" .
|
||||
" (tname name, cname name, reloid oid, key int4)");
|
||||
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
|
||||
|
||||
$result = $conn->exec("create table _RSERV_SLAVE_SYNC_" .
|
||||
" (syncid int4, synctime timestamp)");
|
||||
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
|
||||
|
||||
$result = $conn->exec("COMMIT");
|
||||
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
|
||||
|
||||
exit (0);
|
Reference in New Issue
Block a user