update alf_child_assoc assoc join alf_node child on (child.id = assoc.child_node_id and assoc.is_primary = #{isPrimary}) set child.acl_id = #{newSharedAclId} where assoc.parent_node_id = #{primaryParentNodeId} and ( child.acl_id is null OR child.acl_id = #{optionalOldSharedAclIdInAdditionToNull} )