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#!/usr/bin/perl -w |
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# MasterInit |
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# Vadim Mikheev, (c) 2000, PostgreSQL Inc. |
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|
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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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|
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BEGIN { |
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my $basedir = $0; $basedir =~ s#/[^/]+$##; |
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unshift(@INC, "$basedir/../share"); |
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} |
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|
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use strict; |
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use Pg; |
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use Getopt::Long; |
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use RServ; |
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|
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$| = 1; |
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|
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my ($debug,$verbose) = (0,0); |
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my ($help,$masterhost,$masterport,$masteruser,$masterpassword); |
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|
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my $result = GetOptions( |
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"debug!" => \$debug, "verbose!" => \$verbose, "help" => \$help, |
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"masterhost=s" => \$masterhost, "masterport=i" => \$masterport, |
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"masteruser=s" => \$masteruser, "masterpassword=s" => \$masterpassword, |
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); |
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|
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if (defined($help) || (scalar(@ARGV) < 1)) { |
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print "Usage: $0 [options] masterdb |
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Options: |
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--masterhost=hostname --masterport=port |
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--masteruser=username --masterpassword=string |
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"; |
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exit ((scalar(@ARGV) < 1)? 1:0); |
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} |
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|
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my $master = $ARGV[0] || "master"; |
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|
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my $minfo = MkInfo($master,$masterhost,$masterport,$masteruser,$masterpassword); |
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|
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sub RollbackAndQuit { |
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my $conn = shift @_; |
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|
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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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|
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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 $minfo\n"; |
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exit 1; |
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} |
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|
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$result = $conn->exec("BEGIN"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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$result = $conn->exec("set transaction isolation level serializable"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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# List of slave servers |
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$result = $conn->exec("drop table _RSERV_SERVERS_"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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$result = $conn->exec("DROP SEQUENCE _RSERV_SERVERS__SERVER_SEQ"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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# List of replicated tables |
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#$result = $conn->exec("DROP RULE _rserv_deltrig_"); |
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#RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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$result = $conn->exec("drop table _RSERV_TABLES_"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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$result = $conn->exec("SELECT pgc.relname FROM pg_trigger pgt, pg_class pgc WHERE tgname='_rserv_trigger_t_' AND pgt.tgrelid=pgc.oid"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_TUPLES_OK); |
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while (my @row = $result->fetchrow) { |
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my $res = $conn->exec("DROP TRIGGER _RSERV_TRIGGER_T_ ON \"$row[0]\""); |
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RollbackAndQuit($conn) if ($res->resultStatus ne PGRES_COMMAND_OK); |
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} |
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|
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# Drop Human Log |
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$result = $conn->exec("DROP VIEW _RSERV_HUMAN_LOG_"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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# Bookkeeping log for row replication |
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$result = $conn->exec("drop table _RSERV_LOG_"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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# This is to speedup lookup of deleted tuples |
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## should be done automatically |
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#$result = $conn->exec("drop index _RSERV_LOG_INDX_DLT_ID_"); |
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#RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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# This is to speedup cleanup |
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## should be done automatically |
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#$result = $conn->exec("drop index _RSERV_LOG_INDX_TM_ID_"); |
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#RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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# This is to speedup trigger and lookup of updated tuples |
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## should be done automatically |
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#$result = $conn->exec("drop index _RSERV_LOG_INDX_REL_KEY_"); |
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#RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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# Sync point for each slave server |
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$result = $conn->exec("drop table _RSERV_SYNC_"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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## should be done automatically |
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#$result = $conn->exec("drop index _RSERV_SYNC_INDX_SRV_ID_"); |
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#RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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# Sync point reference numbers |
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$result = $conn->exec("drop sequence _RSERV_SYNC_SEQ_"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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$result = $conn->exec("DROP FUNCTION _rserv_log_()"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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$result = $conn->exec("DROP FUNCTION _rserv_sync_(int4)"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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$result = $conn->exec("DROP FUNCTION _rserv_debug_(int4)"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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$result = $conn->exec("COMMIT"); |
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RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
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|
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exit (0); |
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