sample.surql_

REMOVE table product;
REMOVE table featured;
REMOVE table topic;

DEFINE INDEX id ON TABLE product COLUMNS name,month,year UNIQUE;

CREATE product SET name="Autosport" , month=12, day=9, year=1987;
CREATE product SET name="Autosport" , month=7, day=9, year=1988;

Let $v = SELECT * from product WHERE  month=12 && year=1987;
Let $w = SELECT * from product WHERE  month=7 && year=1988;

CREATE topic:Senna SET description="Senna", nat="Brazil";
CREATE topic:Prost SET description="Prost", nat="France";

RELATE $v->featured->topic:Senna;
RELATE $w->featured->topic:Prost;

SELECT * from featured;