Automattic\WooCommerce\Internal\ProductAttributesLookup

DataRegenerator::initiate_regeneration │ public │ WC 1.0

Initialize the regeneration procedure: deletes the lookup table and related options if they exist, then it creates the table and runs the first step of the regeneration process.

If $in_background is true, regeneration will continue in the background using scheduled actions. If $in_background is false, do_regeneration_step and finalize_regeneration must be invoked explicitly.

This method is intended to be used as a callback for a db update in wc-update-functions and in the CLI commands, regeneration triggered from the tools page will use initiate_regeneration_from_tools_page instead.

Method of the class: DataRegenerator{}

No Hooks.

Returns

Int. Highest product id that will be processed.

Usage

$DataRegenerator = new DataRegenerator();
$DataRegenerator->initiate_regeneration( $in_background ): int;
$in_background(true|false)
True if regeneration will continue in the background using scheduled actions.
Default: true

DataRegenerator::initiate_regeneration() code WC 10.3.3

woocommerce/src/Internal/ProductAttributesLookup/DataRegenerator.php 
public function initiate_regeneration( bool $in_background = true ): int {
	$this->check_can_do_lookup_table_regeneration();

	$this->enable_or_disable_lookup_table_usage( false );

	$this->delete_all_attributes_lookup_data( true );
	$last_product_id = $this->initialize_table_and_data();
	if ( $last_product_id > 0 ) {
		$this->data_store->set_regeneration_in_progress_flag();
		if ( $in_background ) {
			$this->enqueue_regeneration_step_run();
		}
	} else {
		$this->finalize_regeneration( true );
	}
	return $last_product_id;
}