a:7:{s:15:"fieldTablePairs";a:0:{}s:12:"tableAliases";a:0:{}s:19:"reverseTableAliases";a:0:{}s:12:"fieldAliases";a:0:{}s:19:"fieldTableAliasData";a:0:{}s:10:"fieldCount";i:2;s:3:"sql";s:80:"SELECT `lft`, `rgt` FROM `jos_core_acl_aro_groups` WHERE `name`='Public Backend'";}