11 |
use Getopt::Long; |
use Getopt::Long; |
12 |
use DBI; |
use DBI; |
13 |
use Data::Dumper; |
use Data::Dumper; |
14 |
|
use Pg::Scheme; |
15 |
|
|
16 |
$| = 1; |
$| = 1; |
17 |
|
|
75 |
my $sql = shift; |
my $sql = shift; |
76 |
$sql =~ s/[\n\r]/ /gs; |
$sql =~ s/[\n\r]/ /gs; |
77 |
$sql =~ s/\s\s+/ /g; |
$sql =~ s/\s\s+/ /g; |
78 |
print STDERR "SQL: $sql\n"; |
print STDERR "DEBUG: SQL: $sql\n"; |
79 |
} |
} |
80 |
|
|
81 |
sub debug_row { |
sub debug_row { |
83 |
my $row = shift; |
my $row = shift; |
84 |
my @cols = @_; |
my @cols = @_; |
85 |
if (! $row) { |
if (! $row) { |
86 |
print STDERR "ROW data is undef!\n"; |
print STDERR "DEBUG: ROW data is undef!\n"; |
87 |
return; |
return; |
88 |
} |
} |
89 |
print STDERR "ROW: [",$#cols+1,"] "; |
print STDERR "DEBUG: ROW: [",$#cols+1,"] "; |
90 |
foreach my $col (@cols) { |
foreach my $col (@cols) { |
91 |
print STDERR "$col:"; |
print STDERR "$col:"; |
92 |
if ($row->{$col}) { |
if ($row->{$col}) { |
99 |
print STDERR "\n"; |
print STDERR "\n"; |
100 |
} |
} |
101 |
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|
102 |
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sub debug { |
103 |
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return if (!$debug); |
104 |
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print STDERR "DEBUG: ",@_; |
105 |
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} |
106 |
|
|
107 |
$verbose = 1 if ($debug); |
$verbose = 1 if ($debug); |
108 |
|
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109 |
|
# init object for scheme in master database |
110 |
|
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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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 |
print "Comparing tables: ",join(", ",@tables),"\n" if ($debug); |
debug "Comparing tables: ".join(", ",@tables)."\n"; |
117 |
|
|
118 |
my $cols; |
my $cols; |
119 |
my $diff_total = 0; |
my $diff_total = 0; |
120 |
|
|
121 |
foreach my $table (@tables) { |
foreach my $table (@tables) { |
122 |
|
|
123 |
my ($sth); |
my $sth; |
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|
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# find table oid |
|
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$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 = $sth->fetchrow_hashref()) { |
|
135 |
# attname | format_type | attnotnull | atthasdef | attnum |
# attname | format_type | attnotnull | atthasdef | attnum |
136 |
|
|
137 |
push @cols,$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 |
|
|
155 |
if ($debug) { |
if ($debug) { |
156 |
print STDERR "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"; |
244 |
|
|
245 |
my $order = sql_order(@cols_pk); |
my $order = sql_order(@cols_pk); |
246 |
$msql .= $order; |
$msql .= $order; |
247 |
$ssql .= sql_where(@cols_pk) . $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; |
253 |
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|
254 |
my $ssth = $sdbh->prepare($ssql) || die; |
my $ssth = $sdbh->prepare($ssql) || die; |
255 |
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$ssth->execute() || die; |
256 |
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|
257 |
my $diff_row = 0; |
my $diff_row = 0; |
258 |
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|
259 |
my ($mrow,$srow); |
my ($mrow,$srow); |
260 |
my ($have_mrow,$have_srow) = (0,0); |
# have_* |
261 |
my @pk_val; |
use constant NO_ROW => 0; |
262 |
|
use constant FETCH_ROW => 1; |
263 |
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use constant HAVE_ROW => 2; |
264 |
|
my ($have_mrow,$have_srow) = (FETCH_ROW,FETCH_ROW); |
265 |
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266 |
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while ($have_mrow != NO_ROW || $have_srow != NO_ROW) { |
267 |
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268 |
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debug "have mrow: $have_mrow srow: $have_srow\n"; |
269 |
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270 |
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sub pk_val { |
271 |
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my $row = shift || die "need row"; |
272 |
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my @cols = shift || die "need cols"; |
273 |
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my @val; |
274 |
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foreach my $col (@cols) { |
275 |
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push @val,$row->{$col}; |
276 |
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} |
277 |
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return @val; |
278 |
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} |
279 |
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my $more_rows = 1; |
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while (!$have_mrow || !$have_srow) { |
|
280 |
# fetch row from master |
# fetch row from master |
281 |
if (!$have_mrow) { |
if ($have_mrow == FETCH_ROW) { |
282 |
print "fetch row from master [$more_rows]: $msql\n" if ($debug); |
debug "fetch row from master: $msql\n"; |
283 |
$mrow = $msth->fetchrow_hashref(); |
$mrow = $msth->fetchrow_hashref(); |
284 |
debug_row($mrow,@cols); |
debug_row($mrow,@cols); |
285 |
|
|
286 |
if ($mrow) { |
if ($mrow) { |
287 |
# fill-in primary key values |
# fill-in primary key values |
288 |
@pk_val = (); |
$have_mrow = HAVE_ROW; |
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foreach my $col (@cols_pk) { |
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push @pk_val,$mrow->{$col}; |
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} |
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$have_mrow = 1; |
|
289 |
} else { |
} else { |
290 |
$have_mrow = 0; |
$have_mrow = NO_ROW; |
291 |
} |
} |
292 |
} |
} |
293 |
|
|
294 |
# fetch row from slave |
# fetch row from slave |
295 |
if (!$have_srow) { |
if ($have_srow == FETCH_ROW) { |
296 |
print "fetch row from slave [$more_rows]: $ssql\n" if ($debug); |
debug "fetch row from slave: $ssql\n"; |
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$ssth->execute(@pk_val) || die; |
|
297 |
$srow = $ssth->fetchrow_hashref(); |
$srow = $ssth->fetchrow_hashref(); |
298 |
debug_row($srow,@cols); |
debug_row($srow,@cols); |
299 |
if ($srow) { |
if ($srow) { |
300 |
$have_srow = 1; |
$have_srow = HAVE_ROW; |
301 |
} else { |
} else { |
302 |
$have_srow = 0; |
$have_srow = NO_ROW; |
303 |
} |
} |
304 |
} |
} |
305 |
|
|
306 |
# end of this table? |
debug "have mrow: $have_mrow srow: $have_srow\n"; |
|
if (!$have_mrow && !$have_srow) { |
|
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last; |
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} |
|
307 |
|
|
308 |
# insert into slave database |
# insert into slave database |
309 |
sub sql_insert { |
sub sql_insert { |
340 |
return $sql; |
return $sql; |
341 |
} |
} |
342 |
|
|
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 |
362 |
|
|
363 |
# check key cols for row |
# check key cols for row |
364 |
foreach my $col (@cols_pk) { |
foreach my $col (@cols_pk) { |
365 |
if ( (!$mrow && $srow) || ($mrow && $srow && ($mrow->{$col} gt $srow->{$col})) ) { |
if ( ($have_mrow == NO_ROW && $have_srow == HAVE_ROW) || |
366 |
|
($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 |
$have_srow = 0; # fetch new slave row |
print sql_delete($table,$srow,@cols_pk),";\n"; |
371 |
|
$have_srow = FETCH_ROW; |
372 |
last; |
last; |
373 |
} elsif ( ($mrow && !$srow) || ($mrow && $srow && ($mrow->{$col} lt $srow->{$col})) ) { |
} elsif ( ($have_mrow == HAVE_ROW && $have_srow == NO_ROW) || |
374 |
|
($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 |
$have_mrow = 0; |
print sql_insert($table,$mrow,@cols),";\n"; |
379 |
|
$have_mrow = FETCH_ROW; |
380 |
last; |
last; |
381 |
} |
} |
382 |
} |
} |
383 |
|
|
384 |
if ($pk_same) { |
if ($pk_same && $have_mrow == HAVE_ROW && $have_srow == HAVE_ROW) { |
385 |
# check non-key cols for row |
# check non-key cols for row |
386 |
foreach my $col (@cols_cmp) { |
foreach my $col (@cols_cmp) { |
387 |
if ($mrow->{$col} ne $srow->{$col}) { |
if ($mrow->{$col} ne $srow->{$col}) { |
388 |
$diff_row++; |
$diff_row++; |
389 |
print STDERR "DIFF in table '$table' row ($col): [".join(",",@pk_val)."] '$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->{$col},@cols_pk),";\n"; |
|
print sql_insert($table,$mrow,@cols),"\n"; |
|
391 |
} |
} |
392 |
} |
} |
393 |
|
$have_mrow = FETCH_ROW; |
394 |
|
$have_srow = FETCH_ROW; |
395 |
} |
} |
396 |
} |
} |
397 |
|
|
399 |
$diff_total += $diff_row; |
$diff_total += $diff_row; |
400 |
} |
} |
401 |
|
|
402 |
print STDERR "$diff_total differences in all tables\n" if ($verbose && $diff_total > 0); |
if ($verbose) { |
403 |
|
if ($diff_total == 0) { |
404 |
|
print STDERR "databases are same"; |
405 |
|
} elsif ($diff_total > 0) { |
406 |
|
print STDERR "$diff_total differences in all tables\n"; |
407 |
|
} else { |
408 |
|
die "this shouldn't happend. please report a bug!"; |
409 |
|
} |
410 |
|
} |
411 |
|
|
412 |
$mdbh->disconnect(); |
$mdbh->disconnect(); |
413 |
$sdbh->disconnect(); |
$sdbh->disconnect(); |