table of contents
SQL::Translator::Schema::Trigger(3) | User Contributed Perl Documentation | SQL::Translator::Schema::Trigger(3) |
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>.
2024-03-08 | perl v5.40.0 |