Code for print query of collection in Magento 1
<?php Zend_Debug::dump($collection->getSelectSql(true)); ?>
<?php Zend_Debug::dump($this->getCollection()->getSelect()->__tostring()); ?>
<?php Zend_Debug::dump($collection->getSelectSql(true)); ?>
<?php Zend_Debug::dump($this->getCollection()->getSelect()->__tostring()); ?>