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use Getopt::Long; |
use Getopt::Long; |
12 |
use DBI; |
use DBI; |
13 |
use Data::Dumper; |
use Data::Dumper; |
14 |
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use Pg::Scheme; |
15 |
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16 |
$| = 1; |
$| = 1; |
17 |
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106 |
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107 |
$verbose = 1 if ($debug); |
$verbose = 1 if ($debug); |
108 |
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109 |
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# init object for scheme in master database |
110 |
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my $mscheme = new Pg::Scheme( 'dbh' => $mdbh ) || die "can't query schema"; |
111 |
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112 |
# which tables to compare? |
# which tables to compare? |
113 |
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114 |
my @tables; |
my @tables = $mscheme->list_tables($tables); |
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if ($tables) { |
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@tables = split(/,/,$tables); |
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} else { |
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# take all tables |
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#$sql="select tablename from pg_tables where tablename not like 'pg_%' and tablename not like '_rserv_%'"; |
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# show tables (based on psql \dt) |
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$sql = " |
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SELECT c.relname as table |
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FROM pg_catalog.pg_class c |
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LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace |
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WHERE c.relkind = 'r' |
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AND n.nspname NOT IN ('pg_catalog', 'pg_toast') |
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AND pg_catalog.pg_table_is_visible(c.oid) |
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and c.relname not like '_rserv_%' |
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"; |
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foreach my $table (@tables) { |
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$sql .= " and c.relname like '$table'"; |
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} |
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my $sth = $mdbh->prepare($sql); |
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$sth->execute() || die; |
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while(my $row = $sth->fetchrow_hashref()) { |
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push @tables,$row->{table}; |
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} |
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} |
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115 |
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116 |
debug "Comparing tables: ".join(", ",@tables)."\n"; |
debug "Comparing tables: ".join(", ",@tables)."\n"; |
117 |
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120 |
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121 |
foreach my $table (@tables) { |
foreach my $table (@tables) { |
122 |
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123 |
my ($sth); |
my $sth; |
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# find table oid |
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$sql = " |
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SELECT c.oid, n.nspname, c.relname |
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FROM pg_catalog.pg_class c |
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LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace |
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WHERE pg_catalog.pg_table_is_visible(c.oid) |
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AND c.relname = '$table' |
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ORDER BY 2, 3 |
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"; |
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$sth = $mdbh->prepare($sql); |
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$sth->execute() || die; |
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my $row = $sth->fetchrow_hashref(); |
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if (! $row) { |
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print STDERR "Can't find OID of table '$table'\n"; |
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exit 1; |
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} |
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my $oid = $row->{oid}; |
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124 |
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125 |
# diff schema |
# diff schema |
126 |
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130 |
my @cols_test; # all colums to test (without skipped) |
my @cols_test; # all colums to test (without skipped) |
131 |
my @cols; # all colums (for insert) |
my @cols; # all colums (for insert) |
132 |
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my $sql=" |
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SELECT a.attname, |
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pg_catalog.format_type(a.atttypid, a.atttypmod), |
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a.attnotnull, a.atthasdef, a.attnum |
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FROM pg_catalog.pg_attribute a |
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WHERE a.attrelid = $oid AND a.attnum > 0 AND NOT a.attisdropped |
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ORDER BY a.attnum |
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"; |
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133 |
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134 |
$sth = $mdbh->prepare($sql); |
foreach my $row ($mscheme->explain_table($table)) { |
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$sth->execute() || die; |
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while(my $row = $sth->fetchrow_hashref()) { |
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135 |
# attname | format_type | attnotnull | atthasdef | attnum |
# attname | format_type | attnotnull | atthasdef | attnum |
136 |
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137 |
push @cols,$row->{attname}; |
push @cols,$row->{attname}; |
151 |
push @cols_null,$row->{attname}; |
push @cols_null,$row->{attname}; |
152 |
} |
} |
153 |
} |
} |
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$sth->finish(); |
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154 |
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155 |
if ($debug) { |
if ($debug) { |
156 |
print STDERR "DEBUG: table $table [$oid] not null: (",join(", ",@cols_notnull),")"; |
print STDERR "DEBUG: table $table not null cols: (",join(", ",@cols_notnull),")"; |
157 |
print STDERR " - null: (",join(", ",@cols_null),")" if (@cols_null); |
print STDERR " - null cols: (",join(", ",@cols_null),")" if (@cols_null); |
158 |
print STDERR " - skip: (",join(", ",@cols_skip),")" if (@cols_skip); |
print STDERR " - skip cols: (",join(", ",@cols_skip),")" if (@cols_skip); |
159 |
print STDERR "\n"; |
print STDERR "\n"; |
160 |
} |
} |
161 |
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185 |
debug_sql($sql); |
debug_sql($sql); |
186 |
$sth = $mdbh->prepare($sql); |
$sth = $mdbh->prepare($sql); |
187 |
$sth->execute() || die; |
$sth->execute() || die; |
188 |
$row = $sth->fetchrow_hashref(); |
my $row = $sth->fetchrow_hashref(); |
189 |
if ($row) { |
if ($row) { |
190 |
$sql=" |
$sql=" |
191 |
select a1.attname as attname from pg_attribute a1, pg_attribute a2 where a1.attrelid = ".$row->{indexrelid}." and a2.attrelid=".$row->{indrelid}." and a1.attname = a2.attname and a2.attnotnull"; |
select a1.attname as attname from pg_attribute a1, pg_attribute a2 where a1.attrelid = ".$row->{indexrelid}." and a2.attrelid=".$row->{indrelid}." and a1.attname = a2.attname and a2.attnotnull"; |
247 |
$ssql .= $order; |
$ssql .= $order; |
248 |
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249 |
debug_sql($msql); |
debug_sql($msql); |
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debug_sql($ssql); |
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250 |
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251 |
my $msth = $mdbh->prepare($msql) || die; |
my $msth = $mdbh->prepare($msql) || die; |
252 |
$msth->execute() || die; |
$msth->execute() || die; |
340 |
return $sql; |
return $sql; |
341 |
} |
} |
342 |
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343 |
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# update row in slave database |
344 |
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sub sql_update { |
345 |
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my $table = shift @_ || die "need table as argument"; |
346 |
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my $col = shift @_ || die "need col to update"; |
347 |
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my $val = shift @_ || die "need new val"; |
348 |
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my @cols_pk = @_ || die "need pk idenitifier"; |
349 |
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350 |
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my $sql = "udate $table set $col=".$mdbh->quote($val); |
351 |
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debug_sql($sql); |
352 |
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return $sql; |
353 |
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} |
354 |
# master slave |
# master slave |
355 |
# 1 = 1 test |
# 1 = 1 test |
356 |
# 1 < 2 insert mrow |
# 1 < 2 insert mrow |
366 |
($have_mrow == HAVE_ROW && $have_srow == HAVE_ROW && $mrow->{$col} gt $srow->{$col}) ) { |
($have_mrow == HAVE_ROW && $have_srow == HAVE_ROW && $mrow->{$col} gt $srow->{$col}) ) { |
367 |
$diff_row++; |
$diff_row++; |
368 |
$pk_same = 0; |
$pk_same = 0; |
369 |
print sql_delete($table,$srow,@cols_pk),"\n"; |
print STDERR "EXTRA row in table '$table' pk: [".join(",",@cols_pk)."] value (".join(",",pk_val($srow,@cols_pk)).")\n" if ($verbose); |
370 |
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print sql_delete($table,$srow,@cols_pk),";\n"; |
371 |
$have_srow = FETCH_ROW; |
$have_srow = FETCH_ROW; |
372 |
last; |
last; |
373 |
} elsif ( ($have_mrow == HAVE_ROW && $have_srow == NO_ROW) || |
} elsif ( ($have_mrow == HAVE_ROW && $have_srow == NO_ROW) || |
374 |
($have_mrow == HAVE_ROW && $have_srow == HAVE_ROW && $mrow->{$col} lt $srow->{$col}) ) { |
($have_mrow == HAVE_ROW && $have_srow == HAVE_ROW && $mrow->{$col} lt $srow->{$col}) ) { |
375 |
$diff_row++; |
$diff_row++; |
376 |
$pk_same = 0; |
$pk_same = 0; |
377 |
print sql_insert($table,$mrow,@cols),"\n"; |
print STDERR "MISSING row in table '$table' pk: [".join(",",@cols_pk)."] value (".join(",",pk_val($mrow,@cols_pk)).")\n" if ($verbose); |
378 |
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print sql_insert($table,$mrow,@cols),";\n"; |
379 |
$have_mrow = FETCH_ROW; |
$have_mrow = FETCH_ROW; |
380 |
last; |
last; |
381 |
} |
} |
387 |
if ($mrow->{$col} ne $srow->{$col}) { |
if ($mrow->{$col} ne $srow->{$col}) { |
388 |
$diff_row++; |
$diff_row++; |
389 |
print STDERR "DIFF in table '$table' row ($col): [".join(",",@cols_pk)."] '$mrow->{$col}' != '$srow->{$col}'\n" if ($verbose); |
print STDERR "DIFF in table '$table' row ($col): [".join(",",@cols_pk)."] '$mrow->{$col}' != '$srow->{$col}'\n" if ($verbose); |
390 |
print sql_delete($table,$srow,@cols_pk),"\n"; |
print sql_update($table,$col,$mrow->{$col},@cols_pk),";\n"; |
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print sql_insert($table,$mrow,@cols),"\n"; |
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$have_mrow = FETCH_ROW; |
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$have_srow = FETCH_ROW; |
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391 |
} |
} |
392 |
} |
} |
393 |
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$have_mrow = FETCH_ROW; |
394 |
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$have_srow = FETCH_ROW; |
395 |
} |
} |
396 |
} |
} |
397 |
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399 |
$diff_total += $diff_row; |
$diff_total += $diff_row; |
400 |
} |
} |
401 |
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402 |
print STDERR "$diff_total differences in all tables\n" if ($verbose && $diff_total > 0); |
if ($verbose) { |
403 |
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if ($diff_total == 0) { |
404 |
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print STDERR "databases are same"; |
405 |
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} elsif ($diff_total > 0) { |
406 |
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print STDERR "$diff_total differences in all tables\n"; |
407 |
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} else { |
408 |
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die "this shouldn't happend. please report a bug!"; |
409 |
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} |
410 |
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} |
411 |
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412 |
$mdbh->disconnect(); |
$mdbh->disconnect(); |
413 |
$sdbh->disconnect(); |
$sdbh->disconnect(); |