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sql::translator::schema::trigger

SQL::Translator::Schema::Trigger(3pm)			User Contributed Perl Documentation		     SQL::Translator::Schema::Trigger(3pm)

NAME

       SQL::Translator::Schema::Trigger - SQL::Translator trigger object

SYNOPSIS

	 use SQL::Translator::Schema::Trigger;
	 my $trigger = SQL::Translator::Schema::Trigger->new(
	   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
	   scope	       => 'row',    # or statement
	 );

DESCRIPTION

       "SQL::Translator::Schema::Trigger" is the trigger object.

METHODS

   new
       Object constructor.

	 my $schema = SQL::Translator::Schema::Trigger->new;

   perform_action_when
       Gets or sets whether the event happens "before" or "after" the "database_event".

	 $trigger->perform_action_when('after');

   database_event
       Obsolete please use database_events!

   database_events
       Gets or sets the events that triggers the trigger.

	 my $ok = $trigger->database_events('insert');

   fields
       Gets and set which fields to monitor for "database_event".

	 $view->fields('id');
	 $view->fields('id', 'name');
	 $view->fields( 'id, name' );
	 $view->fields( [ 'id', 'name' ] );
	 $view->fields( qw[ id name ] );

	 my @fields = $view->fields;

   table
       Gets or set the table on which the trigger works, as a SQL::Translator::Schema::Table object.
	 $trigger->table($triggered_table);

   on_table
       Gets or set the table name on which the trigger works, as a string.
	 $trigger->on_table('foo');

   action
       Gets or set the action of the trigger.

	 $trigger->action(
	     q[
	       BEGIN
		 select ...;
		 update ...;
	       END
	     ]
	 );

   is_valid
       Determine whether the trigger is valid or not.

	 my $ok = $trigger->is_valid;

   name
       Get or set the trigger's name.

	 my $name = $trigger->name('foo');

   order
       Get or set the trigger's order.

	 my $order = $trigger->order(3);

   scope
       Get or set the trigger's scope (row or statement).

	   my $scope = $trigger->scope('statement');

   schema
       Get or set the trigger's schema object.

	 $trigger->schema( $schema );
	 my $schema = $trigger->schema;

   compare_arrays
       Compare two arrays.

   equals
       Determines if this trigger is the same as another

	 my $is_identical = $trigger1->equals( $trigger2 );

AUTHORS

       Anonymous, Ken Youens-Clark <kclark@cpan.org>.

perl v5.14.2							    2012-01-18				     SQL::Translator::Schema::Trigger(3pm)

Programming