11 |
use strict; |
use strict; |
12 |
use Pg; |
use Pg; |
13 |
|
|
14 |
my $debug = 0; |
#my $debug = 0; |
15 |
my $quiet = 1; |
#my $quiet = 1; |
16 |
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|
17 |
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my $debug = 1; |
18 |
|
my $quiet = 0; |
19 |
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|
20 |
my %Mtables = (); |
my %Mtables = (); |
21 |
my %Stables = (); |
my %Stables = (); |
22 |
|
|
23 |
sub GetSlaveId |
sub GetSlaveId |
24 |
{ |
{ |
25 |
my ($conn, $slaveDB, $slaveHost) = @_; # (@_[0], @_[1]. @_[2]); |
my ($mconn, $slaveDB, $slaveHost) = @_; # (@_[0], @_[1]. @_[2]); |
26 |
|
|
27 |
my $result = $conn->exec("SELECT server FROM _RSERV_SERVERS_ WHERE". |
my $result = $mconn->exec("SELECT server FROM _RSERV_SERVERS_ WHERE". |
28 |
" host='$slaveHost' AND dbase='$slaveDB'"); |
" host='$slaveHost' AND dbase='$slaveDB'"); |
29 |
|
|
30 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
31 |
{ |
{ |
32 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
33 |
return(-1); |
return(-1); |
34 |
} |
} |
35 |
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|
46 |
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|
47 |
sub PrepareSnapshot |
sub PrepareSnapshot |
48 |
{ |
{ |
49 |
my ($conn, $sconn, $outf, $server) = @_; # (@_[0], @_[1], @_[2], $_[3]); |
my ($mconn, $sconn, $outf, $mserver, $sserver, $onlytables) = @_; |
50 |
|
|
51 |
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if ($mserver == $sserver) { |
52 |
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print STDERR "master and slave numbers are same!\n"; |
53 |
|
return(-1); |
54 |
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} |
55 |
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|
56 |
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print "PrepareSnapshot master: $mserver slave: $sserver\n" if ($debug); |
57 |
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|
58 |
# first, we must know for wich tables the slave subscribed |
# first, we must know for wich tables the slave subscribed |
59 |
my $result = $sconn->exec("SELECT tname FROM _RSERV_SLAVE_TABLES_"); |
my $result = $sconn->exec("SELECT tname FROM _RSERV_SLAVE_TABLES_"); |
60 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
61 |
{ |
{ |
62 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
63 |
return(-1); |
return(-1); |
64 |
} |
} |
65 |
|
|
68 |
$Stables{$row[0]} = 1; |
$Stables{$row[0]} = 1; |
69 |
} |
} |
70 |
|
|
71 |
$result = $conn->exec("BEGIN"); |
$result = $mconn->exec("BEGIN"); |
72 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
73 |
{ |
{ |
74 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
75 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
76 |
return(-1); |
return(-1); |
77 |
} |
} |
78 |
$result = $conn->exec("set transaction isolation level serializable"); |
$result = $mconn->exec("set transaction isolation level serializable"); |
79 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
80 |
{ |
{ |
81 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
82 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
83 |
return(-1); |
return(-1); |
84 |
} |
} |
85 |
|
|
86 |
# MAP oid --> tabname, keyname, key_type |
# MAP oid --> tabname, keyname, key_type |
87 |
$result = $conn->exec("select pgc.oid, pgc.relname, pga.attname, pgt.typname" . |
$result = $mconn->exec("select pgc.oid, pgc.relname, pga.attname, pgt.typname" . |
88 |
" from _RSERV_TABLES_ rt, pg_class pgc, pg_attribute pga" . |
" from _RSERV_TABLES_ rt, pg_class pgc, pg_attribute pga" . |
89 |
", pg_type pgt". |
", pg_type pgt". |
90 |
" where pgc.oid = rt.reloid AND pga.attrelid = rt.reloid" . |
" where pgc.oid = rt.reloid AND pga.attrelid = rt.reloid" . |
91 |
" AND pga.attnum = rt.key AND pga.atttypid=pgt.oid"); |
" AND pga.attnum = rt.key AND pga.atttypid=pgt.oid"); |
92 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
93 |
{ |
{ |
94 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
95 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
96 |
return(-1); |
return(-1); |
97 |
} |
} |
98 |
|
|
99 |
while (@row = $result->fetchrow) |
while (@row = $result->fetchrow) |
100 |
{ |
{ |
101 |
# printf "$row[0], $row[1], $row[2]\n"; |
# printf "$row[0], $row[1], $row[2]\n"; |
102 |
|
if (ref($onlytables) eq 'HASH') { |
103 |
|
next unless (exists $onlytables->{$row[1]}); |
104 |
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$onlytables->{$row[1]} = $row[0] unless ($onlytables->{$row[1]}); |
105 |
|
} |
106 |
push @{$Mtables{$row[0]}}, $row[1], $row[2], $row[3]; |
push @{$Mtables{$row[0]}}, $row[1], $row[2], $row[3]; |
107 |
} |
} |
108 |
|
|
109 |
# Read last succeeded sync |
# Read last succeeded sync |
110 |
my $sql = "select syncid, synctime, minid, maxid, active from _RSERV_SYNC_" . |
my $sql = "select syncid, synctime, minid, maxid, active from _RSERV_SYNC_" . |
111 |
" where server = $server AND syncid = (select max(syncid) from" . |
" where server = $sserver AND syncid = (select max(syncid) from" . |
112 |
" _RSERV_SYNC_ where server = $server AND status > 0)"; |
" _RSERV_SYNC_ where server = $sserver AND status > 0)"; |
113 |
|
|
114 |
printf "$sql\n" if $debug; |
printf "$sql\n" if $debug; |
115 |
|
|
116 |
$result = $conn->exec($sql); |
$result = $mconn->exec($sql); |
117 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
118 |
{ |
{ |
119 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
120 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
121 |
return(-1); |
return(-1); |
122 |
} |
} |
123 |
|
|
124 |
my @lastsync = $result->fetchrow; |
my @lastsync = $result->fetchrow; |
125 |
|
|
126 |
|
# exclude data which originated from master server |
127 |
|
my $sel_server = " and l.server = $mserver "; |
128 |
|
|
129 |
my $sinfo = ""; |
my $sinfo = ""; |
130 |
if (@lastsync && $lastsync[3] ne '') # sync info |
if (@lastsync && $lastsync[3] ne '') # sync info |
131 |
{ |
{ |
138 |
|
|
139 |
# DELETED rows |
# DELETED rows |
140 |
$sql = "select l.reloid, l.key from _RSERV_LOG_ l" . |
$sql = "select l.reloid, l.key from _RSERV_LOG_ l" . |
141 |
" where l.delete = 1 $sinfo order by l.reloid"; |
" where l.delete = 1 $sinfo $sel_server order by l.reloid"; |
142 |
|
|
143 |
printf "$sql\n" if $debug; |
printf "DELETED: $sql\n" if $debug; |
144 |
|
|
145 |
$result = $conn->exec($sql); |
$result = $mconn->exec($sql); |
146 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
147 |
{ |
{ |
148 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
149 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
150 |
return(-1); |
return(-1); |
151 |
} |
} |
152 |
|
|
153 |
my $lastoid = ''; |
my $lastoid = -1; |
154 |
while (@row = $result->fetchrow) |
while (@row = $result->fetchrow) |
155 |
{ |
{ |
156 |
next unless exists $Mtables{$row[0]}; |
next unless exists $Mtables{$row[0]}; |
158 |
|
|
159 |
if ($lastoid != $row[0]) |
if ($lastoid != $row[0]) |
160 |
{ |
{ |
161 |
if ($lastoid eq '') |
if ($lastoid == -1) |
162 |
{ |
{ |
163 |
my $syncid = GetSYNCID($conn, $outf); |
my $syncid = GetSYNCID($mconn, $outf); |
164 |
return($syncid) if $syncid < 0; |
return($syncid) if $syncid < 0; |
165 |
$havedeal = 1; |
$havedeal = 1; |
166 |
} |
} |
174 |
if (! defined $row[1]) |
if (! defined $row[1]) |
175 |
{ |
{ |
176 |
print STDERR "NULL key\n" unless ($quiet); |
print STDERR "NULL key\n" unless ($quiet); |
177 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
178 |
return(-2); |
return(-2); |
179 |
} |
} |
180 |
printf $outf "%s\n", OutputValue($row[1]); |
printf $outf "%s\n", OutputValue($row[1]); |
181 |
} |
} |
182 |
printf $outf "\\.\n" if $lastoid ne ''; |
printf $outf "\\.\n" if ($lastoid != -1); |
183 |
|
|
184 |
# UPDATED rows |
# UPDATED rows |
185 |
|
|
193 |
|
|
194 |
$sql = sprintf "SELECT $oidkey \"_$tabname\".* FROM \"$tabname\" ". |
$sql = sprintf "SELECT $oidkey \"_$tabname\".* FROM \"$tabname\" ". |
195 |
"\"_$tabname\", _RSERV_LOG_ l WHERE l.reloid = $taboid AND l.update = 1". |
"\"_$tabname\", _RSERV_LOG_ l WHERE l.reloid = $taboid AND l.update = 1". |
196 |
" $sinfo AND \"_$tabname\".\"${tabkey}\"=l.key::${keytype}"; |
" $sinfo AND \"_$tabname\".\"${tabkey}\"=l.key::${keytype}". |
197 |
|
$sel_server; |
198 |
|
|
199 |
printf "$sql\n" if $debug; |
printf "UPDATED: $sql\n" if $debug; |
200 |
|
|
201 |
$result = $conn->exec($sql); |
$result = $mconn->exec($sql); |
202 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
203 |
{ |
{ |
204 |
printf $outf "-- ERROR\n" if $havedeal; |
printf $outf "-- ERROR\n" if $havedeal; |
205 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
206 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
207 |
return(-1); |
return(-1); |
208 |
} |
} |
209 |
next if $result->ntuples <= 0; |
next if $result->ntuples <= 0; |
210 |
if (! $havedeal) |
if (! $havedeal) |
211 |
{ |
{ |
212 |
my $syncid = GetSYNCID($conn, $outf); |
my $syncid = GetSYNCID($mconn, $outf); |
213 |
return($syncid) if $syncid < 0; |
return($syncid) if $syncid < 0; |
214 |
$havedeal = 1; |
$havedeal = 1; |
215 |
} |
} |
242 |
|
|
243 |
$sql = sprintf "SELECT $oidkey \"_$tabname\".* FROM \"$tabname\" ". |
$sql = sprintf "SELECT $oidkey \"_$tabname\".* FROM \"$tabname\" ". |
244 |
"\"_$tabname\", _RSERV_LOG_ l WHERE l.reloid = $taboid AND l.insert = 1". |
"\"_$tabname\", _RSERV_LOG_ l WHERE l.reloid = $taboid AND l.insert = 1". |
245 |
" $sinfo AND \"_$tabname\".\"${tabkey}\"=l.key::${keytype}"; |
" $sinfo AND \"_$tabname\".\"${tabkey}\"=l.key::${keytype}". |
246 |
|
$sel_server; |
247 |
|
|
248 |
printf "$sql\n" if $debug; |
printf "INSERTED: $sql\n" if $debug; |
249 |
|
|
250 |
$result = $conn->exec($sql); |
$result = $mconn->exec($sql); |
251 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
252 |
{ |
{ |
253 |
printf $outf "-- ERROR\n" if $havedeal; |
printf $outf "-- ERROR\n" if $havedeal; |
254 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
255 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
256 |
return(-1); |
return(-1); |
257 |
} |
} |
258 |
next if $result->ntuples <= 0; |
next if $result->ntuples <= 0; |
259 |
if (! $havedeal) |
if (! $havedeal) |
260 |
{ |
{ |
261 |
my $syncid = GetSYNCID($conn, $outf); |
my $syncid = GetSYNCID($mconn, $outf); |
262 |
return($syncid) if $syncid < 0; |
return($syncid) if $syncid < 0; |
263 |
$havedeal = 1; |
$havedeal = 1; |
264 |
} |
} |
283 |
|
|
284 |
unless ($havedeal) |
unless ($havedeal) |
285 |
{ |
{ |
286 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
287 |
return(0); |
return(0); |
288 |
} |
} |
289 |
|
|
290 |
# Remember this snapshot info |
# Remember this snapshot info |
291 |
$result = $conn->exec("select _rserv_sync_($server)"); |
$result = $mconn->exec("select _rserv_sync_($sserver)"); |
292 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
293 |
{ |
{ |
294 |
printf $outf "-- ERROR\n"; |
printf $outf "-- ERROR\n"; |
295 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
296 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
297 |
return(-1); |
return(-1); |
298 |
} |
} |
299 |
|
|
300 |
$result = $conn->exec("COMMIT"); |
$result = $mconn->exec("COMMIT"); |
301 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
302 |
{ |
{ |
303 |
printf $outf "-- ERROR\n"; |
printf $outf "-- ERROR\n"; |
304 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
305 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
306 |
return(-1); |
return(-1); |
307 |
} |
} |
308 |
printf $outf "-- OK\n"; |
printf $outf "-- OK\n"; |
349 |
|
|
350 |
sub CleanLog |
sub CleanLog |
351 |
{ |
{ |
352 |
my ($conn, $howold) = @_; # (@_[0], @_[1]); |
my ($conn, $howold, $onlytables) = @_; # (@_[0], @_[1]); |
353 |
|
|
354 |
my $result = $conn->exec("BEGIN"); |
my $result = $conn->exec("BEGIN"); |
355 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
391 |
my $alist = join(',', keys %active); |
my $alist = join(',', keys %active); |
392 |
my $sinfo = "logid < $maxid"; |
my $sinfo = "logid < $maxid"; |
393 |
$sinfo .= " AND logid not in ($alist)" if $alist ne ''; |
$sinfo .= " AND logid not in ($alist)" if $alist ne ''; |
394 |
|
#if (ref($onlytables) eq 'HASH') { |
395 |
|
# foreach my $onlytable (keys %{$onlytables}) { |
396 |
|
# $sinfo |
397 |
|
# } |
398 |
|
#} |
399 |
$sql = "delete from _RSERV_LOG_ where " . |
$sql = "delete from _RSERV_LOG_ where " . |
400 |
"logtime < now() - '$howold second'::interval AND $sinfo"; |
"logtime < now() - '$howold second'::interval AND $sinfo"; |
401 |
|
|
423 |
|
|
424 |
sub ApplySnapshot |
sub ApplySnapshot |
425 |
{ |
{ |
426 |
my ($conn, $inpf) = @_; # (@_[0], @_[1]); |
my ($sconn, $inpf, $onlytables) = @_; # (@_[0], @_[1]); |
427 |
|
|
428 |
my $result = $conn->exec("BEGIN"); |
my $result = $sconn->exec("BEGIN"); |
429 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
430 |
{ |
{ |
431 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
432 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
433 |
return(-1); |
return(-1); |
434 |
} |
} |
435 |
|
|
436 |
$result = $conn->exec("SET CONSTRAINTS ALL DEFERRED"); |
$result = $sconn->exec("SET CONSTRAINTS ALL DEFERRED"); |
437 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
438 |
{ |
{ |
439 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
440 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
441 |
return(-1); |
return(-1); |
442 |
} |
} |
443 |
|
|
447 |
" where pgc.oid = rt.reloid AND pga.attrelid = rt.reloid" . |
" where pgc.oid = rt.reloid AND pga.attrelid = rt.reloid" . |
448 |
" AND pga.attnum = rt.key"; |
" AND pga.attnum = rt.key"; |
449 |
|
|
450 |
$result = $conn->exec($sql); |
$result = $sconn->exec($sql); |
451 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
452 |
{ |
{ |
453 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
454 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
455 |
return(-1); |
return(-1); |
456 |
} |
} |
457 |
%Stables = (); |
%Stables = (); |
458 |
while (my @row = $result->fetchrow) |
while (my @row = $result->fetchrow) |
459 |
{ |
{ |
460 |
# printf "\t%s\t%s\t%s\t\n", $row[1], $row[0], $row[2], $row[3]; |
# printf "\t%s\t%s\t%s\t\n", $row[1], $row[0], $row[2], $row[3]; |
461 |
|
if (ref($onlytables) eq 'HASH') { |
462 |
|
next unless (exists $onlytables->{$row[1]}); |
463 |
|
$onlytables->{$row[1]} = $row[0] unless ($onlytables->{$row[1]}); |
464 |
|
} |
465 |
push @{$Stables{$row[1]}}, $row[0], $row[2], $row[3]; |
push @{$Stables{$row[1]}}, $row[0], $row[2], $row[3]; |
466 |
} |
} |
467 |
|
|
468 |
my $ok = 0; |
my $ok = 0; |
469 |
my $syncid = ''; |
my $syncid = -1; |
470 |
while(<$inpf>) |
while(<$inpf>) |
471 |
{ |
{ |
472 |
$_ =~ s/\n//; |
$_ =~ s/\n//; |
474 |
if ($cmt ne '--') |
if ($cmt ne '--') |
475 |
{ |
{ |
476 |
printf STDERR "Invalid format\n" unless ($quiet); |
printf STDERR "Invalid format\n" unless ($quiet); |
477 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
478 |
return(-2); |
return(-2); |
479 |
} |
} |
480 |
if ($cmd eq 'DELETE') |
if ($cmd eq 'DELETE') |
481 |
{ |
{ |
482 |
if ($syncid eq '') |
if ($syncid == -1) |
483 |
{ |
{ |
484 |
printf STDERR "Sync ID unspecified\n" unless ($quiet); |
printf STDERR "Sync ID unspecified\n" unless ($quiet); |
485 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
486 |
return(-2); |
return(-2); |
487 |
} |
} |
488 |
$result = DoDelete($conn, $inpf, $prm); |
$result = DoDelete($sconn, $inpf, $prm); |
489 |
if ($result) |
if ($result) |
490 |
{ |
{ |
491 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
492 |
return($result); |
return($result); |
493 |
} |
} |
494 |
} |
} |
495 |
elsif ($cmd eq 'INSERT') |
elsif ($cmd eq 'INSERT') |
496 |
{ |
{ |
497 |
if ($syncid eq '') |
if ($syncid == -1) |
498 |
{ |
{ |
499 |
printf STDERR "Sync ID unspecified\n" unless ($quiet); |
printf STDERR "Sync ID unspecified\n" unless ($quiet); |
500 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
501 |
return(-2); |
return(-2); |
502 |
} |
} |
503 |
$result = DoInsert($conn, $inpf, $prm); |
$result = DoInsert($sconn, $inpf, $prm); |
504 |
if ($result) |
if ($result) |
505 |
{ |
{ |
506 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
507 |
return($result); |
return($result); |
508 |
} |
} |
509 |
} |
} |
510 |
elsif ($cmd eq 'UPDATE') |
elsif ($cmd eq 'UPDATE') |
511 |
{ |
{ |
512 |
if ($syncid eq '') |
if ($syncid == -1) |
513 |
{ |
{ |
514 |
printf STDERR "Sync ID unspecified\n" unless ($quiet); |
printf STDERR "Sync ID unspecified\n" unless ($quiet); |
515 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
516 |
return(-2); |
return(-2); |
517 |
} |
} |
518 |
$result = DoUpdate($conn, $inpf, $prm); |
$result = DoUpdate($sconn, $inpf, $prm); |
519 |
if ($result) |
if ($result) |
520 |
{ |
{ |
521 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
522 |
return($result); |
return($result); |
523 |
} |
} |
524 |
} |
} |
525 |
elsif ($cmd eq 'SYNCID') |
elsif ($cmd eq 'SYNCID') |
526 |
{ |
{ |
527 |
if ($syncid ne '') |
if ($syncid != -1) |
528 |
{ |
{ |
529 |
printf STDERR "Second Sync ID ?!\n" unless ($quiet); |
printf STDERR "Second Sync ID ?!\n" unless ($quiet); |
530 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
531 |
return(-2); |
return(-2); |
532 |
} |
} |
533 |
if ($prm !~ /^\d+$/) |
if ($prm !~ /^\d+$/) |
534 |
{ |
{ |
535 |
printf STDERR "Invalid Sync ID $prm\n" unless ($quiet); |
printf STDERR "Invalid Sync ID $prm\n" unless ($quiet); |
536 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
537 |
return(-2); |
return(-2); |
538 |
} |
} |
539 |
$syncid = $prm; |
$syncid = $prm; |
540 |
|
|
541 |
printf STDERR "Sync ID $syncid\n" unless ($quiet); |
printf STDERR "Sync ID $syncid\n" unless ($quiet); |
542 |
|
|
543 |
$result = $conn->exec("select syncid, synctime from " . |
$result = $sconn->exec("select syncid, synctime from " . |
544 |
"_RSERV_SLAVE_SYNC_ where syncid = " . |
"_RSERV_SLAVE_SYNC_ where syncid = " . |
545 |
"(select max(syncid) from _RSERV_SLAVE_SYNC_)"); |
"(select max(syncid) from _RSERV_SLAVE_SYNC_)"); |
546 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
547 |
{ |
{ |
548 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
549 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
550 |
return(-1); |
return(-1); |
551 |
} |
} |
552 |
my @row = $result->fetchrow; |
my @row = $result->fetchrow; |
553 |
if (! defined $row[0]) |
if (! defined $row[0]) |
554 |
{ |
{ |
555 |
$result = $conn->exec("insert into _RSERV_SLAVE_SYNC_ ". |
$result = $sconn->exec("insert into _RSERV_SLAVE_SYNC_ ". |
556 |
"(syncid, synctime) values ($syncid, now())"); |
"(syncid, synctime) values ($syncid, now())"); |
557 |
} |
} |
558 |
elsif ($row[0] >= $prm) |
elsif ($row[0] >= $prm) |
559 |
{ |
{ |
560 |
printf STDERR "Sync-ed to ID $row[0] ($row[1])\n" unless ($quiet); |
printf STDERR "Sync-ed to ID $row[0] ($row[1])\n" unless ($quiet); |
561 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
562 |
return(0); |
return(0); |
563 |
} |
} |
564 |
else |
else |
565 |
{ |
{ |
566 |
$result = $conn->exec("update _RSERV_SLAVE_SYNC_" . |
$result = $sconn->exec("update _RSERV_SLAVE_SYNC_" . |
567 |
" set syncid = $syncid, synctime = now()"); |
" set syncid = $syncid, synctime = now()"); |
568 |
} |
} |
569 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
570 |
{ |
{ |
571 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
572 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
573 |
return(-1); |
return(-1); |
574 |
} |
} |
575 |
} |
} |
581 |
elsif ($cmd eq 'ERROR') |
elsif ($cmd eq 'ERROR') |
582 |
{ |
{ |
583 |
printf STDERR "ERROR signaled\n" unless ($quiet); |
printf STDERR "ERROR signaled\n" unless ($quiet); |
584 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
585 |
return(-2); |
return(-2); |
586 |
} |
} |
587 |
else |
else |
588 |
{ |
{ |
589 |
printf STDERR "Unknown command $cmd\n" unless ($quiet); |
printf STDERR "Unknown command $cmd\n" unless ($quiet); |
590 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
591 |
return(-2); |
return(-2); |
592 |
} |
} |
593 |
} |
} |
595 |
if (! $ok) |
if (! $ok) |
596 |
{ |
{ |
597 |
printf STDERR "No OK flag in input\n" unless ($quiet); |
printf STDERR "No OK flag in input\n" unless ($quiet); |
598 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
599 |
return(-2); |
return(-2); |
600 |
} |
} |
601 |
|
|
602 |
$result = $conn->exec("COMMIT"); |
$result = $sconn->exec("COMMIT"); |
603 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
604 |
{ |
{ |
605 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
606 |
$conn->exec("ROLLBACK"); |
$sconn->exec("ROLLBACK"); |
607 |
return(-1); |
return(-1); |
608 |
} |
} |
609 |
|
|
612 |
|
|
613 |
sub DoDelete |
sub DoDelete |
614 |
{ |
{ |
615 |
my ($conn, $inpf, $tabname) = @_; # (@_[0], @_[1], @_[2]); |
my ($sconn, $inpf, $tabname) = @_; # (@_[0], @_[1], @_[2]); |
616 |
|
|
617 |
# only delete tables that the slave wants |
# only delete tables that the slave wants |
618 |
if (! defined($Stables{$tabname})) { |
if (! defined($Stables{$tabname})) { |
646 |
|
|
647 |
printf "$sql\n" if $debug; |
printf "$sql\n" if $debug; |
648 |
|
|
649 |
my $result = $conn->exec($sql); |
my $result = $sconn->exec($sql); |
650 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
651 |
{ |
{ |
652 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
653 |
return(-1); |
return(-1); |
654 |
} |
} |
655 |
} |
} |
666 |
|
|
667 |
sub DoUpdate |
sub DoUpdate |
668 |
{ |
{ |
669 |
my ($conn, $inpf, $tabname) = @_; # (@_[0], @_[1], @_[2]); |
my ($sconn, $inpf, $tabname) = @_; # (@_[0], @_[1], @_[2]); |
670 |
|
|
671 |
# only update the tables that the slave wants |
# only update the tables that the slave wants |
672 |
if (! defined($Stables{$tabname})) { |
if (! defined($Stables{$tabname})) { |
688 |
my $sql = "select attnum, attname from pg_attribute" . |
my $sql = "select attnum, attname from pg_attribute" . |
689 |
" where attrelid = $Stables{$tabname}->[0] AND attnum > 0"; |
" where attrelid = $Stables{$tabname}->[0] AND attnum > 0"; |
690 |
|
|
691 |
my $result = $conn->exec($sql); |
my $result = $sconn->exec($sql); |
692 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
693 |
{ |
{ |
694 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
695 |
return(-1); |
return(-1); |
696 |
} |
} |
697 |
|
|
766 |
|
|
767 |
printf "$sql\n" if $debug; |
printf "$sql\n" if $debug; |
768 |
|
|
769 |
$result = $conn->exec($sql); |
$result = $sconn->exec($sql); |
770 |
|
|
771 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
772 |
{ |
{ |
773 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
774 |
return(-1); |
return(-1); |
775 |
} |
} |
776 |
next if $result->cmdTuples == 1; # updated |
next if $result->cmdTuples == 1; # updated |
787 |
|
|
788 |
if ($CBufLen >= $CBufMax) |
if ($CBufLen >= $CBufMax) |
789 |
{ |
{ |
790 |
$result = DoCopy($conn, $tabname, $oidkey, \@CopyBuf); |
$result = DoCopy($sconn, $tabname, $oidkey, \@CopyBuf); |
791 |
return($result) if $result; |
return($result) if $result; |
792 |
@CopyBuf = (); |
@CopyBuf = (); |
793 |
$CBufLen = 0; |
$CBufLen = 0; |
803 |
if ($CBufLen) |
if ($CBufLen) |
804 |
{ |
{ |
805 |
print "@CopyBuf\n" if $debug; |
print "@CopyBuf\n" if $debug; |
806 |
$result = DoCopy($conn, $tabname, $oidkey, \@CopyBuf); |
$result = DoCopy($sconn, $tabname, $oidkey, \@CopyBuf); |
807 |
return($result) if $result; |
return($result) if $result; |
808 |
} |
} |
809 |
|
|
812 |
|
|
813 |
sub DoInsert |
sub DoInsert |
814 |
{ |
{ |
815 |
my ($conn, $inpf, $tabname) = @_; # (@_[0], @_[1], @_[2]); |
my ($sconn, $inpf, $tabname) = @_; # (@_[0], @_[1], @_[2]); |
816 |
|
|
817 |
# only insert rows into tables that the slave wants |
# only insert rows into tables that the slave wants |
818 |
if (! defined($Stables{$tabname})) { |
if (! defined($Stables{$tabname})) { |
854 |
|
|
855 |
if ($CBufLen >= $CBufMax) |
if ($CBufLen >= $CBufMax) |
856 |
{ |
{ |
857 |
my $result = DoCopy($conn, $tabname, $oidkey, \@CopyBuf); |
my $result = DoCopy($sconn, $tabname, $oidkey, \@CopyBuf); |
858 |
return($result) if $result; |
return($result) if $result; |
859 |
@CopyBuf = (); |
@CopyBuf = (); |
860 |
$CBufLen = 0; |
$CBufLen = 0; |
870 |
if ($CBufLen) |
if ($CBufLen) |
871 |
{ |
{ |
872 |
print "@CopyBuf\n" if $debug; |
print "@CopyBuf\n" if $debug; |
873 |
my $result = DoCopy($conn, $tabname, $oidkey, \@CopyBuf); |
my $result = DoCopy($sconn, $tabname, $oidkey, \@CopyBuf); |
874 |
return($result) if $result; |
return($result) if $result; |
875 |
} |
} |
876 |
|
|
880 |
|
|
881 |
sub DoCopy |
sub DoCopy |
882 |
{ |
{ |
883 |
my ($conn, $tabname, $withoids, $CBuf) = @_; # (@_[0], @_[1], @_[2], @_[3]); |
my ($sconn, $tabname, $withoids, $CBuf) = @_; # (@_[0], @_[1], @_[2], @_[3]); |
884 |
|
|
885 |
my $sql = "COPY \"$tabname\" " . (($withoids) ? "WITH OIDS " : '') . |
my $sql = "COPY \"$tabname\" " . (($withoids) ? "WITH OIDS " : '') . |
886 |
"FROM STDIN"; |
"FROM STDIN"; |
887 |
my $result = $conn->exec($sql); |
my $result = $sconn->exec($sql); |
888 |
if ($result->resultStatus ne PGRES_COPY_IN) |
if ($result->resultStatus ne PGRES_COPY_IN) |
889 |
{ |
{ |
890 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
891 |
return(-1); |
return(-1); |
892 |
} |
} |
893 |
|
|
894 |
foreach my $str (@{$CBuf}) |
foreach my $str (@{$CBuf}) |
895 |
{ |
{ |
896 |
$conn->putline($str); |
$sconn->putline($str); |
897 |
} |
} |
898 |
|
|
899 |
$conn->putline("\\.\n"); |
$sconn->putline("\\.\n"); |
900 |
|
|
901 |
if ($conn->endcopy) |
if ($sconn->endcopy) |
902 |
{ |
{ |
903 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
904 |
return(-1); |
return(-1); |
905 |
} |
} |
906 |
|
|
913 |
# |
# |
914 |
sub GetSyncID |
sub GetSyncID |
915 |
{ |
{ |
916 |
my ($conn) = @_; # (@_[0]); |
my ($sconn) = @_; # (@_[0]); |
917 |
|
|
918 |
my $result = $conn->exec("select max(syncid) from _RSERV_SLAVE_SYNC_"); |
my $result = $sconn->exec("select max(syncid) from _RSERV_SLAVE_SYNC_"); |
919 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
920 |
{ |
{ |
921 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $sconn->errorMessage unless ($quiet); |
922 |
return(-1); |
return(-1); |
923 |
} |
} |
924 |
my @row = $result->fetchrow; |
my @row = $result->fetchrow; |
931 |
# |
# |
932 |
sub SyncSyncID |
sub SyncSyncID |
933 |
{ |
{ |
934 |
my ($conn, $server, $syncid) = @_; # (@_[0], @_[1], @_[2]); |
my ($mconn, $sserver, $syncid) = @_; # (@_[0], @_[1], @_[2]); |
935 |
|
|
936 |
my $result = $conn->exec("BEGIN"); |
my $result = $mconn->exec("BEGIN"); |
937 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
938 |
{ |
{ |
939 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
940 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
941 |
return(-1); |
return(-1); |
942 |
} |
} |
943 |
|
|
944 |
$result = $conn->exec("select synctime, status from _RSERV_SYNC_" . |
$result = $mconn->exec("select synctime, status from _RSERV_SYNC_" . |
945 |
" where server = $server AND syncid = $syncid" . |
" where server = $sserver AND syncid = $syncid" . |
946 |
" for update"); |
" for update"); |
947 |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
if ($result->resultStatus ne PGRES_TUPLES_OK) |
948 |
{ |
{ |
949 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
950 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
951 |
return(-1); |
return(-1); |
952 |
} |
} |
953 |
my @row = $result->fetchrow; |
my @row = $result->fetchrow; |
954 |
if (! defined $row[0]) |
if (! defined $row[0]) |
955 |
{ |
{ |
956 |
printf STDERR "No SyncID $syncid found for server $server\n" unless ($quiet); |
printf STDERR "No SyncID $syncid found for server $sserver\n" unless ($quiet); |
957 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
958 |
return(0); |
return(0); |
959 |
} |
} |
960 |
if ($row[1] > 0) |
if ($row[1] > 0) |
961 |
{ |
{ |
962 |
printf STDERR "SyncID $syncid for server ". |
printf STDERR "SyncID $syncid for server ". |
963 |
"$server already updated\n" unless ($quiet); |
"$sserver already updated\n" unless ($quiet); |
964 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
965 |
return(0); |
return(0); |
966 |
} |
} |
967 |
$result = $conn->exec("update _RSERV_SYNC_" . |
$result = $mconn->exec("update _RSERV_SYNC_" . |
968 |
" set synctime = now(), status = 1" . |
" set synctime = now(), status = 1" . |
969 |
" where server = $server AND syncid = $syncid"); |
" where server = $sserver AND syncid = $syncid"); |
970 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
971 |
{ |
{ |
972 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
973 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
974 |
return(-1); |
return(-1); |
975 |
} |
} |
976 |
$result = $conn->exec("delete from _RSERV_SYNC_" . |
$result = $mconn->exec("delete from _RSERV_SYNC_" . |
977 |
" where server = $server AND syncid < $syncid"); |
" where server = $sserver AND syncid < $syncid"); |
978 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
979 |
{ |
{ |
980 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
981 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
982 |
return(-1); |
return(-1); |
983 |
} |
} |
984 |
|
|
985 |
$result = $conn->exec("COMMIT"); |
$result = $mconn->exec("COMMIT"); |
986 |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
if ($result->resultStatus ne PGRES_COMMAND_OK) |
987 |
{ |
{ |
988 |
print STDERR $conn->errorMessage unless ($quiet); |
print STDERR $mconn->errorMessage unless ($quiet); |
989 |
$conn->exec("ROLLBACK"); |
$mconn->exec("ROLLBACK"); |
990 |
return(-1); |
return(-1); |
991 |
} |
} |
992 |
|
|