107 |
$verbose = 1 if ($debug); |
$verbose = 1 if ($debug); |
108 |
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|
109 |
# init object for scheme in master database |
# init object for scheme in master database |
110 |
my $mscheme = new Pg::Scheme( 'dbh' => $mdbh ) || die "can't query schema"; |
my $mscheme = new Pg::Scheme( 'dbh' => $mdbh, 'DEBUG' => 0 ) || die "can't query schema"; |
111 |
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112 |
# which tables to compare? |
# which tables to compare? |
113 |
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124 |
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125 |
# diff schema |
# diff schema |
126 |
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127 |
my @cols_notnull;# colums compared by a=b |
# all colums (for insert) |
128 |
my @cols_null; # colums compared by a=b or a is null and b is null |
my @cols = @{$mscheme->cols($table)}; |
129 |
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130 |
|
# colums compared by a=b |
131 |
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my @cols_notnull = @{$mscheme->cols_notnull($table)}; |
132 |
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133 |
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# colums compared by a=b or a is null and b is null |
134 |
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my @cols_null = @{$mscheme->cols_null($table)}; |
135 |
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136 |
|
# primary key columns |
137 |
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my @cols_pk = @{$mscheme->cols_pk($table)}; |
138 |
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139 |
|
# columns to compare (not in primary key) |
140 |
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my @cols_cmp = @{$mscheme->cols_notpk($table)}; |
141 |
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142 |
my @cols_skip; # skipped columns |
my @cols_skip; # skipped columns |
143 |
my @cols_test; # all colums to test (without skipped) |
my @cols_test; # all colums to test (without skipped) |
|
my @cols; # all colums (for insert) |
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144 |
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145 |
foreach my $row ($mscheme->explain_table($table)) { |
foreach my $row (@{$mscheme->pg_attribute($table)}) { |
146 |
# attname | format_type | attnotnull | atthasdef | attnum |
# attname | format_type | attnotnull | atthasdef | attnum |
147 |
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push @cols,$row->{attname}; |
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148 |
# FIXME: do something with attributes which shouldn't be compared |
# FIXME: do something with attributes which shouldn't be compared |
149 |
# (date, time, datetime, timestamp) |
# (date, time, datetime, timestamp) |
150 |
if ($row->{format_type} =~ /(date)|(time)/i) { |
if ($row->{format_type} =~ /(date)|(time)/i) { |
151 |
push @cols_skip,$row->{attname}; |
push @cols_skip,$row->{attname}; |
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next; |
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} |
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push @cols_test,$row->{attname}; |
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if ($row->{attnotnull}) { |
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push @cols_notnull,$row->{attname}; |
|
152 |
} else { |
} else { |
153 |
push @cols_null,$row->{attname}; |
push @cols_test,$row->{attname}; |
154 |
} |
} |
155 |
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|
156 |
} |
} |
157 |
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|
158 |
if ($debug) { |
if ($debug) { |
164 |
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|
165 |
# diff data |
# diff data |
166 |
|
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my @cols_pk; # columns which are primary key |
|
|
my %in_pk; |
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|
$sql=" |
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SELECT |
|
|
i.indexrelid as indexrelid, i.indrelid as indrelid, |
|
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count(a.attname) as cols_in_pk |
|
|
FROM |
|
|
pg_catalog.pg_class c, |
|
|
pg_catalog.pg_index i, |
|
|
pg_catalog.pg_attribute a |
|
|
WHERE |
|
|
c.oid = i.indrelid |
|
|
and i.indisunique |
|
|
and c.relname = '$table' |
|
|
and a.attrelid = i.indexrelid |
|
|
GROUP BY |
|
|
i.indexrelid, i.indrelid, c.relname, i.indisprimary, i.indisunique |
|
|
ORDER BY |
|
|
cols_in_pk ASC, i.indisprimary DESC, i.indisunique DESC, c.relname DESC |
|
|
"; |
|
|
debug_sql($sql); |
|
|
$sth = $mdbh->prepare($sql); |
|
|
$sth->execute() || die; |
|
|
my $row = $sth->fetchrow_hashref(); |
|
|
if ($row) { |
|
|
$sql=" |
|
|
select a1.attname as attname from pg_attribute a1, pg_attribute a2 where a1.attrelid = ".$row->{indexrelid}." and a2.attrelid=".$row->{indrelid}." and a1.attname = a2.attname and a2.attnotnull"; |
|
|
|
|
|
debug_sql($sql); |
|
|
my $sth2 = $mdbh->prepare($sql); |
|
|
$sth2->execute() || die; |
|
|
@cols_pk = (); |
|
|
while (my $row2 = $sth2->fetchrow_hashref()) { |
|
|
push @cols_pk,$row2->{attname}; |
|
|
$in_pk{$row2->{attname}}++; |
|
|
} |
|
|
|
|
|
} |
|
167 |
if (! @cols_pk) { |
if (! @cols_pk) { |
168 |
print STDERR "can't find PK rows for table '$table' using all\n"; |
print STDERR "can't find PK rows for table '$table' using all\n"; |
169 |
@cols_pk = @cols; |
@cols_pk = @cols; |
170 |
} |
} |
171 |
|
|
|
my @cols_cmp; # columns to compare |
|
|
|
|
|
foreach my $col (@cols_test) { |
|
|
push @cols_cmp,$col if (! $in_pk{$col}); |
|
|
} |
|
172 |
|
|
173 |
if ($verbose) { |
if ($verbose) { |
174 |
print "table '$table' using for key: (",join(", ",@cols_pk),") to compare cols: (",join(", ",@cols_cmp),")\n"; |
print "table '$table' using for key: (",join(", ",@cols_pk),") to compare cols: (",join(", ",@cols_cmp),")\n"; |