How to get last insert id in Magento query

Here is snippet for getting the ID of row after you have executed inserting the data into Magento table

01 02 03 04 05 06 07 08 09 10 11 12 13

function getLastInsertId($tableName, $primaryKey) {         //SELECT MAX(id) FROM table         $db = Mage::getModel('core/resource')->getConnection('core_read');         $result = $db->raw_fetchRow("SELECT MAX(`{$primaryKey}`) as LastID FROM `{$tableName}`");         return $result['LastID']; } //Usage: $setup = new Mage_Eav_Model_Entity_Setup('core_setup'); $optionTable = $setup->getTable('eav/attribute_option'); $lastInsertId = getLastInsertId($optionTable, 'option_id');