is::stageDropIndexes

protected function stageDropIndexes()
{
	$indexes = array(
		'IX_B_SALE_LOC_MARGINS',
		'IX_B_SALE_LOC_MARGINS_REV',
		'IX_B_SALE_LOC_PARENT',
		'IX_B_SALE_LOC_DL',
		'IX_B_SALE_LOC_TYPE',
		'IX_B_SALE_LOC_NAME_NAME_U',
		'IX_B_SALE_LOC_NAME_LI_LI',

		// old
		'IXS_LOCATION_COUNTRY_ID',
		'IXS_LOCATION_REGION_ID',
		'IXS_LOCATION_CITY_ID',
		'IX_B_SALE_LOCATION_1',
		'IX_B_SALE_LOCATION_2',
		'IX_B_SALE_LOCATION_3'
	);

	if(!isset($indexes[$this->getStep()]))
		$this->nextStage();
	else
	{
		$this->dropIndexes($indexes[$this->getStep()]);
		$this->logMessage('Index dropped: '.$indexes[$this->getStep()]);
		$this->nextStep();
	}
}