asterix-app/src/test/resources/optimizerts/queries/fj-phase1.aql

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
drop dataverse rares03 if exists;

create dataverse rares03;

use dataverse rares03;

create type UserType as open {
  uid: int32, 
  name: string,
  lottery_numbers: {{int32}}
}

create type VisitorType as open {
  vid: int32, 
  name: string,
  lottery_numbers: {{int32}}
}

create nodegroup group1 if not exists on asterix_nc1, asterix_nc2;

create dataset Users(UserType) 
  primary key uid on group1;

create dataset Visitors(VisitorType) 
  primary key vid on group1;


// set simfunction "jaccard";
// set simthreshold ".8";

write output to asterix_nc1:"/tmp/rares03.adm";

for $user in dataset('Users')
let $tokens := 
    for $lottery_number in $user.lottery_numbers
    for $token at $i in
       for $user in dataset('Users')
       for $lottery_number in $user.lottery_numbers 
       group by $item := $lottery_number with $user 
       let $count := count($user)
       order by $count desc 
       return $item 
    where $lottery_number = $token
    order by $token
    return $i
return {"uid": $user.uid, "tokens": $tokens}