package SQL::Translator::Schema::Trigger;
# ----------------------------------------------------------------------
-# $Id: Trigger.pm,v 1.9 2006-06-07 16:37:33 schiffbruechige Exp $
-# ----------------------------------------------------------------------
-# Copyright (C) 2002-4 SQLFairy Authors
+# Copyright (C) 2002-2009 SQLFairy Authors
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
use SQL::Translator::Schema::Trigger;
my $trigger = SQL::Translator::Schema::Trigger->new(
- name => 'foo',
- perform_action_when => 'before', # or after
- database_event => 'insert', # or update, update_on, delete
- fields => [], # fields if event is "update"
- on_table => 'foo', # table name
- action => '...', # text of trigger
- schema => $schema, # Schema object
+ name => 'foo',
+ perform_action_when => 'before', # or after
+ database_events => [qw/update insert/], # also update, update_on, delete
+ fields => [], # if event is "update"
+ on_table => 'foo', # table name
+ action => '...', # text of trigger
+ schema => $schema, # Schema object
);
=head1 DESCRIPTION
use base 'SQL::Translator::Schema::Object';
+use Carp;
+
use vars qw($VERSION $TABLE_COUNT $VIEW_COUNT);
-$VERSION = sprintf "%d.%02d", q$Revision: 1.9 $ =~ /(\d+)\.(\d+)/;
+$VERSION = '1.60';
# ----------------------------------------------------------------------
__PACKAGE__->_attributes( qw/
- name schema perform_action_when database_event fields table on_table action
- order
+ name schema perform_action_when database_events database_event
+ fields table on_table action order
/);
=pod
=head2 database_event
-Gets or sets the event that triggers the trigger.
+Obsolete please use database_events!
- my $ok = $trigger->database_event('insert');
+=cut
+
+ my $self = shift;
+
+ return $self->database_events( @_ );
+}
+
+# ----------------------------------------------------------------------
+sub database_events {
+
+=pod
+
+=head2 database_events
+
+Gets or sets the events that triggers the trigger.
+
+ my $ok = $trigger->database_events('insert');
=cut
my $self = shift;
-
- if ( my $arg = shift ) {
- $arg = lc $arg;
- $arg =~ s/\s+/ /g;
- if ( $arg =~ /^(insert|update|update_on|delete)$/ ) {
- $self->{'database_event'} = $arg;
- }
- else {
- return
- $self->error("Invalid argument '$arg' to database_event");
+ my @args = ref $_[0] eq 'ARRAY' ? @{ $_[0] } : @_;
+
+ if ( @args ) {
+ @args = map { s/\s+/ /g; lc $_ } @args;
+ my %valid = map { $_, 1 } qw[ insert update update_on delete ];
+ my @invalid = grep { !defined $valid{ $_ } } @args;
+
+ if ( @invalid ) {
+ return $self->error(
+ sprintf("Invalid events '%s' in database_events",
+ join(', ', @invalid)
+ )
+ );
}
+
+ $self->{'database_events'} = [ @args ];
}
- return $self->{'database_event'};
+ return wantarray
+ ? @{ $self->{'database_events'} || [] }
+ : $self->{'database_events'};
}
# ----------------------------------------------------------------------
my $self = shift;
for my $attr (
- qw[ name perform_action_when database_event on_table action ]
+ qw[ name perform_action_when database_events on_table action ]
) {
- return $self->error("No $attr") unless $self->$attr();
+ return $self->error("Invalid: missing '$attr'") unless $self->$attr();
}
return $self->error("Missing fields for UPDATE ON") if
}
# ----------------------------------------------------------------------
+sub compare_arrays {
+
+=pod
+
+=head2 compare_arrays
+
+Compare two arrays.
+
+=cut
+
+ my ($first, $second) = @_;
+ no warnings; # silence spurious -w undef complaints
+
+ return 0 unless (ref $first eq 'ARRAY' and ref $second eq 'ARRAY' ) ;
+
+ return 0 unless @$first == @$second;
+
+ my @first = sort @$first;
+
+ my @second = sort @$second;
+
+ for (my $i = 0; $i < scalar @first; $i++) {
+ return 0 if @first[$i] ne @second[$i];
+ }
+
+ return 1;
+}
+
+# ----------------------------------------------------------------------
sub equals {
=pod
Determines if this trigger is the same as another
- my $isIdentical = $trigger1->equals( $trigger2 );
+ my $is_identical = $trigger1->equals( $trigger2 );
=cut
- my $self = shift;
- my $other = shift;
+ my $self = shift;
+ my $other = shift;
my $case_insensitive = shift;
return 0 unless $self->SUPER::equals($other);
- return 0 unless $case_insensitive ? uc($self->name) eq uc($other->name) : $self->name eq $other->name;
- #return 0 unless $self->is_valid eq $other->is_valid;
- return 0 unless $self->perform_action_when eq $other->perform_action_when;
- return 0 unless $self->database_event eq $other->database_event;
- return 0 unless $self->on_table eq $other->on_table;
- return 0 unless $self->action eq $other->action;
- return 0 unless $self->_compare_objects(scalar $self->extra, scalar $other->extra);
+
+ my %names;
+ for my $name ( $self->name, $other->name ) {
+ $name = lc $name if $case_insensitive;
+ $names{ $name }++;
+ }
+
+ if ( keys %names > 1 ) {
+ return $self->error('Names not equal');
+ }
+
+ if ( !$self->perform_action_when eq $other->perform_action_when ) {
+ return $self->error('perform_action_when differs');
+ }
+
+ if (
+ !compare_arrays( [$self->database_events], [$other->database_events] )
+ ) {
+ return $self->error('database_events differ');
+ }
+
+ if ( $self->on_table ne $other->on_table ) {
+ return $self->error('on_table differs');
+ }
+
+ if ( $self->action ne $other->action ) {
+ return $self->error('action differs');
+ }
+
+ if (
+ !$self->_compare_objects( scalar $self->extra, scalar $other->extra )
+ ) {
+ return $self->error('extras differ');
+ }
+
return 1;
}
=pod
-=head1 AUTHOR
+=head1 AUTHORS
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
+Anonymous,
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.
=cut
projects / dbsrgits/SQL-Translator.git / blobdiff