mirror of
https://github.com/percona/percona-toolkit.git
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118 lines
3.6 KiB
Perl
118 lines
3.6 KiB
Perl
# This program is copyright 2009-2011 Percona Inc.
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# Feedback and improvements are welcome.
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#
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# THIS PROGRAM IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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# MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation, version 2; OR the Perl Artistic License. On UNIX and similar
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# systems, you can issue `man perlgpl' or `man perlartistic' to read these
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# licenses.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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# Place, Suite 330, Boston, MA 02111-1307 USA.
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# ###########################################################################
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# CompareTableStructs package $Revision: 6785 $
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# ###########################################################################
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# Package: CompareTableStructs
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# CompareTableStructs compares CREATE TABLE defs.
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{
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package CompareTableStructs;
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use strict;
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use warnings FATAL => 'all';
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use English qw(-no_match_vars);
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use constant MKDEBUG => $ENV{MKDEBUG} || 0;
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sub new {
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my ( $class, %args ) = @_;
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my @required_args = qw();
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foreach my $arg ( @required_args ) {
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die "I need a $arg argument" unless $args{$arg};
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}
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my $self = {
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%args,
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};
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return bless $self, $class;
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}
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sub before_execute {
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my ( $self, %args ) = @_;
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return;
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}
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sub execute {
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my ( $self, %args ) = @_;
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return;
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}
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sub after_execute {
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my ( $self, %args ) = @_;
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return;
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}
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sub compare {
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my ( $s1, $s2 ) = @_;
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die "I need a s1 argument" unless defined $s1;
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die "I need a s2 argument" unless defined $s2;
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my $rank_inc = 0;
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my @reasons = ();
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# Compare number of columns.
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if ( scalar @{$s1->{cols}} != scalar @{$s2->{cols}} ) {
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my $inc = 2 * abs( scalar @{$s1->{cols}} - scalar @{$s2->{cols}} );
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$rank_inc += $inc;
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push @reasons, 'Tables have different columns counts: '
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. scalar @{$s1->{cols}} . ' columns on host1, '
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. scalar @{$s2->{cols}} . " columns on host2 (rank+$inc)";
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}
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# Compare column types.
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my %host1_missing_cols = %{$s2->{type_for}}; # Make a copy to modify.
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my @host2_missing_cols;
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foreach my $col ( keys %{$s1->{type_for}} ) {
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if ( exists $s2->{type_for}->{$col} ) {
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if ( $s1->{type_for}->{$col} ne $s2->{type_for}->{$col} ) {
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$rank_inc += 3;
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push @reasons, "Types for $col column differ: "
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. "'$s1->{type_for}->{$col}' on host1, "
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. "'$s2->{type_for}->{$col}' on host2 (rank+3)";
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}
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delete $host1_missing_cols{$col};
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}
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else {
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push @host2_missing_cols, $col;
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}
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}
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foreach my $col ( @host2_missing_cols ) {
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$rank_inc += 5;
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push @reasons, "Column $col exists on host1 but not on host2 (rank+5)";
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}
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foreach my $col ( keys %host1_missing_cols ) {
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$rank_inc += 5;
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push @reasons, "Column $col exists on host2 but not on host1 (rank+5)";
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}
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return $rank_inc, @reasons;
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}
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sub _d {
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my ($package, undef, $line) = caller 0;
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@_ = map { (my $temp = $_) =~ s/\n/\n# /g; $temp; }
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map { defined $_ ? $_ : 'undef' }
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@_;
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print STDERR "# $package:$line $PID ", join(' ', @_), "\n";
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}
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1;
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}
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# ###########################################################################
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# End CompareTableStructs package
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# ###########################################################################
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