/[rserv]/bin/MasterAddTable
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Annotation of /bin/MasterAddTable

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Revision 1.6 - (hide annotations)
Wed Oct 29 18:00:18 2003 UTC (20 years, 6 months ago) by dpavlin
Branch: MAIN
Changes since 1.5: +6 -4 lines
changes in preparation for multi-master: better debugging, variables convery
master/slave relationship (first letter m for master and s for slave)

1 dpavlin 1.3 #!/usr/bin/perl -w
2 dpavlin 1.1 # MasterAddTable
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 dpavlin 1.3 use strict;
10 dpavlin 1.1 use Pg;
11     use Getopt::Long;
12    
13     $| = 1;
14    
15 dpavlin 1.3 my ($debug,$verbose) = (0,0);
16     my ($help,$masterhost,$masterport,$masteruser,$masterpassword);
17 dpavlin 1.1
18 dpavlin 1.6 my $mserver=0;
19 dpavlin 1.5
20 dpavlin 1.3 my $result = GetOptions(
21     "debug!" => \$debug, "verbose!" => \$verbose, "help" => \$help,
22     "masterhost=s" => \$masterhost, "masterport=i" => \$masterport,
23     "masteruser=s" => \$masteruser, "masterpassword=s" => \$masterpassword,
24 dpavlin 1.6 "masterserver=i" => \$mserver,
25 dpavlin 1.3 );
26    
27     if (defined($help) || (scalar(@ARGV) < 3)) {
28     print "Usage: $0 [options] masterdb table column
29     Options:
30     --masterhost=hostname --masterport=port
31     --masteruser=username --masterpassword=string
32 dpavlin 1.6 [--masterserver=master_number]
33 dpavlin 1.3 ";
34     exit ((scalar(@ARGV) < 3)? 1:0);
35 dpavlin 1.1 }
36    
37     my $dbname = $ARGV[0];
38     my $table = $ARGV[1];
39     my $keyname = $ARGV[2];
40    
41     my $minfo = "dbname=$dbname";
42 dpavlin 1.3 $minfo = "$minfo host=$masterhost" if (defined($masterhost));
43     $minfo = "$minfo port=$masterport" if (defined($masterport));
44     $minfo = "$minfo user=$masteruser" if (defined($masteruser));
45     $minfo = "$minfo password=$masterpassword" if (defined($masterpassword));
46 dpavlin 1.1
47 dpavlin 1.6 print STDERR "master server nr: $mserver\n" if ($debug);
48    
49 dpavlin 1.1 my $conn = Pg::connectdb($minfo);
50 dpavlin 1.2 if ($conn->status != PGRES_CONNECTION_OK) {
51     print STDERR "Failed opening $minfo\n";
52     exit 1;
53     }
54 dpavlin 1.1
55 dpavlin 1.3 $result = $conn->exec("BEGIN");
56 dpavlin 1.1 die $conn->errorMessage if $result->resultStatus ne PGRES_COMMAND_OK;
57    
58     $result = $conn->exec("select pgc.oid, pga.attnum from pg_class pgc" .
59 dpavlin 1.2 ", pg_attribute pga where pgc.relname = '$table'" .
60     " and pgc.oid = pga.attrelid" .
61     " and pga.attname = '$keyname'");
62 dpavlin 1.1 die $conn->errorMessage if $result->resultStatus ne PGRES_TUPLES_OK;
63    
64     my @row = $result->fetchrow;
65 dpavlin 1.4 die "Can't find key '$keyname' for table '$table' in database '$dbname'\n" if ! defined $row[0] || ! defined $row[1];
66 dpavlin 1.1
67     $result = $conn->exec("create trigger _RSERV_TRIGGER_T_ after" .
68 dpavlin 1.2 " insert or update or delete on \"$table\"" .
69     " for each row execute procedure" .
70 dpavlin 1.6 " _rserv_log_('$row[1]',$mserver)");
71 dpavlin 1.1 die $conn->errorMessage if $result->resultStatus ne PGRES_COMMAND_OK;
72    
73     $result = $conn->exec("insert into _RSERV_TABLES_ (tname, cname, reloid, key)" .
74 dpavlin 1.2 " values ('$table', '$keyname', $row[0], $row[1])");
75 dpavlin 1.1 die $conn->errorMessage if $result->resultStatus ne PGRES_COMMAND_OK;
76    
77     $result = $conn->exec("COMMIT");
78     die $conn->errorMessage if $result->resultStatus ne PGRES_COMMAND_OK;
79    
80     exit(0);

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