public function deleteQuery($queryId)
{
$sql = new SLS_Sql();
$req = '
DELETE
gq,
gqc,
gqj,
gqw,
gqg,
gqo,
gql
FROM
sls_graph_query gq LEFT JOIN
sls_graph_query_column gqc ON (gq.sls_graph_query_id = gqc.sls_graph_query_id) LEFT JOIN
sls_graph_query_join gqj ON (gq.sls_graph_query_id = gqj.sls_graph_query_id) LEFT JOIN
sls_graph_query_where gqw ON (gq.sls_graph_query_id = gqw.sls_graph_query_id) LEFT JOIN
sls_graph_query_group gqg ON (gq.sls_graph_query_id = gqg.sls_graph_query_id) LEFT JOIN
sls_graph_query_order gqo ON (gq.sls_graph_query_id = gqo.sls_graph_query_id) LEFT JOIN
sls_graph_query_limit gql ON (gq.sls_graph_query_id = gql.sls_graph_query_id)
WHERE
gq.sls_graph_query_id = '.$queryId;
$sql->delete($req);
}
