Node access test

No nodes

SELECT mytab.* FROM {node} mytab WHERE ( EXISTS (SELECT na.nid AS nid FROM {node_access} na WHERE (( (na.gid = :db_condition_placeholder_0) AND (na.realm = :db_condition_placeholder_1) )OR( (na.gid = :db_condition_placeholder_2) AND (na.realm = :db_condition_placeholder_3) ))AND (na.grant_view >= :db_condition_placeholder_4) AND (mytab.nid = na.nid) ))