110 lines
3.9 KiB
Perl
110 lines
3.9 KiB
Perl
# -*- perl -*-
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## MasterInit
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# Vadim Mikheev, (c) 2000, PostgreSQL Inc.
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eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}'
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& eval 'exec perl -S $0 $argv:q'
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if 0;
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use Pg;
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use Getopt::Long;
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$| = 1;
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$result = GetOptions("debug!", "verbose!", "help",
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"host=s", "user=s", "password=s");
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my $debug = $opt_debug || 0;
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my $verbose = $opt_verbose || 0;
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if (defined($opt_help) || (scalar(@ARGV) < 1)) {
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print "Usage: $0 --host=name --user=name --password=string masterdb\n";
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exit ((scalar(@ARGV) < 1)? 1:0);
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}
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my $module_filename = '@MODULE_FILENAME@';
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my $master = $ARGV[0] || "master";
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my $minfo = "dbname=$master";
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$minfo = "$minfo host=$opt_host" if (defined($opt_host));
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$minfo = "$minfo user=$opt_user" if (defined($opt_user));
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$minfo = "$minfo password=$opt_password" if (defined($opt_password));
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sub RollbackAndQuit {
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$conn = shift @_;
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print STDERR "Error in query: ", $conn->errorMessage;
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$conn->exec("ROLLBACK");
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exit (-1);
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}
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my $conn = Pg::connectdb($minfo);
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if ($conn->status != PGRES_CONNECTION_OK) {
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print STDERR "Failed opening $minfo\n";
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exit 1;
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}
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my $result = $conn->exec("BEGIN");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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$result = $conn->exec("set transaction isolation level serializable");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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# List of slave servers
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$result = $conn->exec("create table _RSERV_SERVERS_" .
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" (server serial, host text, post int4, dbase text)");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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# List of replicated tables
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$result = $conn->exec("create table _RSERV_TABLES_" .
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" (tname name, cname name, reloid oid, key int4)");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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# Bookkeeping log for row replication
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$result = $conn->exec("create table _RSERV_LOG_" .
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" (reloid oid, logid int4, logtime timestamp, deleted int4, key text)");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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# This is to speedup lookup of deleted tuples
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$result = $conn->exec("create index _RSERV_LOG_INDX_DLT_ID_ on _RSERV_LOG_ (deleted, logid)");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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# This is to speedup cleanup
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$result = $conn->exec("create index _RSERV_LOG_INDX_TM_ID_ on _RSERV_LOG_ (logtime, logid)");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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# This is to speedup trigger and lookup of updated tuples
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$result = $conn->exec("create index _RSERV_LOG_INDX_REL_KEY_ on _RSERV_LOG_ (reloid, key)");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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# Sync point for each slave server
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$result = $conn->exec("create table _RSERV_SYNC_" .
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" (server int4, syncid int4, synctime timestamp" .
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", status int4, minid int4, maxid int4, active text)");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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$result = $conn->exec("create index _RSERV_SYNC_INDX_SRV_ID_ on _RSERV_SYNC_ (server, syncid)");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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# Sync point reference numbers
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$result = $conn->exec("create sequence _rserv_sync_seq_");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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$result = $conn->exec("CREATE FUNCTION _rserv_log_() RETURNS trigger" .
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" AS '$module_filename' LANGUAGE 'c'");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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$result = $conn->exec("CREATE FUNCTION _rserv_sync_(int4) RETURNS int4" .
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" AS '$module_filename' LANGUAGE 'c'");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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$result = $conn->exec("CREATE FUNCTION _rserv_debug_(int4) RETURNS int4" .
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" AS '$module_filename' LANGUAGE 'c'");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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$result = $conn->exec("COMMIT");
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK);
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exit (0);
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