SQL::Translator::Schema::Trigger

(source, CPAN)

version 1.64

NAME
SYNOPSIS
DESCRIPTION
METHODS
- new
- perform_action_when
- database_event
- database_events
- fields
- table
- on_table
- action
- is_valid
- name
- order
- scope
- schema
- compare_arrays
- equals
AUTHORS

#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 $trigger = 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>.

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