| 1 |
# -*- perl -*- |
| 2 |
# MasterInit |
| 3 |
# Vadim Mikheev, (c) 2000, PostgreSQL Inc. |
| 4 |
|
| 5 |
eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}' |
| 6 |
& eval 'exec perl -S $0 $argv:q' |
| 7 |
if 0; |
| 8 |
|
| 9 |
use Pg; |
| 10 |
use Getopt::Long; |
| 11 |
|
| 12 |
$| = 1; |
| 13 |
|
| 14 |
$result = GetOptions("debug!", "verbose!", "help", |
| 15 |
"host=s", "user=s", "password=s"); |
| 16 |
|
| 17 |
my $debug = $opt_debug || 0; |
| 18 |
my $verbose = $opt_verbose || 0; |
| 19 |
|
| 20 |
if (defined($opt_help) || (scalar(@ARGV) < 1)) { |
| 21 |
print "Usage: $0 --host=name --user=name --password=string masterdb\n"; |
| 22 |
exit ((scalar(@ARGV) < 1)? 1:0); |
| 23 |
} |
| 24 |
|
| 25 |
my $master = $ARGV[0] || "master"; |
| 26 |
|
| 27 |
my $minfo = "dbname=$master"; |
| 28 |
$minfo = "$minfo host=$opt_host" if (defined($opt_host)); |
| 29 |
$minfo = "$minfo user=$opt_user" if (defined($opt_user)); |
| 30 |
$minfo = "$minfo password=$opt_password" if (defined($opt_password)); |
| 31 |
|
| 32 |
sub RollbackAndQuit { |
| 33 |
$conn = shift @_; |
| 34 |
|
| 35 |
print STDERR "Error in query: ", $conn->errorMessage; |
| 36 |
$conn->exec("ROLLBACK"); |
| 37 |
exit (-1); |
| 38 |
} |
| 39 |
|
| 40 |
my $conn = Pg::connectdb($minfo); |
| 41 |
if ($conn->status != PGRES_CONNECTION_OK) { |
| 42 |
print STDERR "Failed opening $minfo\n"; |
| 43 |
exit 1; |
| 44 |
} |
| 45 |
|
| 46 |
my $result = $conn->exec("BEGIN"); |
| 47 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 48 |
|
| 49 |
$result = $conn->exec("set transaction isolation level serializable"); |
| 50 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 51 |
|
| 52 |
# List of slave servers |
| 53 |
$result = $conn->exec("create table _RSERV_SERVERS_" . |
| 54 |
" (server serial, host text, post int4, dbase text)"); |
| 55 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 56 |
|
| 57 |
# List of replicated tables |
| 58 |
$result = $conn->exec("create table _RSERV_TABLES_" . |
| 59 |
" (tname name, cname name, reloid oid, key int4)"); |
| 60 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 61 |
|
| 62 |
# Bookkeeping log for row replication |
| 63 |
$result = $conn->exec("create table _RSERV_LOG_" . |
| 64 |
" (reloid oid, logid int4, logtime timestamp, deleted int4, key text)"); |
| 65 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 66 |
|
| 67 |
# This is to speedup lookup of deleted tuples |
| 68 |
$result = $conn->exec("create index _RSERV_LOG_INDX_DLT_ID_ on _RSERV_LOG_ (deleted, logid)"); |
| 69 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 70 |
|
| 71 |
# This is to speedup cleanup |
| 72 |
$result = $conn->exec("create index _RSERV_LOG_INDX_TM_ID_ on _RSERV_LOG_ (logtime, logid)"); |
| 73 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 74 |
|
| 75 |
# This is to speedup trigger and lookup of updated tuples |
| 76 |
$result = $conn->exec("create index _RSERV_LOG_INDX_REL_KEY_ on _RSERV_LOG_ (reloid, key)"); |
| 77 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 78 |
|
| 79 |
# Sync point for each slave server |
| 80 |
$result = $conn->exec("create table _RSERV_SYNC_" . |
| 81 |
" (server int4, syncid int4, synctime timestamp" . |
| 82 |
", status int4, minid int4, maxid int4, active text)"); |
| 83 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 84 |
|
| 85 |
$result = $conn->exec("create index _RSERV_SYNC_INDX_SRV_ID_ on _RSERV_SYNC_ (server, syncid)"); |
| 86 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 87 |
|
| 88 |
# Sync point reference numbers |
| 89 |
$result = $conn->exec("create sequence _rserv_sync_seq_"); |
| 90 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 91 |
|
| 92 |
$result = $conn->exec("CREATE FUNCTION _rserv_log_() RETURNS opaque" . |
| 93 |
" AS '_OBJWD_/rserv_DLSUFFIX_' LANGUAGE 'c'"); |
| 94 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 95 |
|
| 96 |
$result = $conn->exec("CREATE FUNCTION _rserv_sync_(int4) RETURNS int4" . |
| 97 |
" AS '_OBJWD_/rserv_DLSUFFIX_' LANGUAGE 'c'"); |
| 98 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 99 |
|
| 100 |
$result = $conn->exec("CREATE FUNCTION _rserv_debug_(int4) RETURNS int4" . |
| 101 |
" AS '_OBJWD_/rserv_DLSUFFIX_' LANGUAGE 'c'"); |
| 102 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 103 |
|
| 104 |
$result = $conn->exec("COMMIT"); |
| 105 |
RollbackAndQuit($conn) if ($result->resultStatus ne PGRES_COMMAND_OK); |
| 106 |
|
| 107 |
exit (0); |
Parent Directory
| 
Revision Log