postgres/contrib/rserv/SlaveInit.in

# -*- 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 $sinfo\n") if ($debug || $verbose);
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);