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

drop dataverse fj-dblp-csx if exists;

create dataverse fj-dblp-csx;

use dataverse fj-dblp-csx;

create type DBLPType as open {
  id: int32, 
  dblpid: string,
  title: string,
  authors: string,
  misc: string
}

create type CSXType as open {
  id: int32, 
  csxid: string,
  title: string,
  authors: string,
  misc: string
}

create nodegroup group1 if not exists on nc1, nc2;

create dataset DBLP(DBLPType) primary key id on group1;
create dataset CSX(CSXType) primary key id on group1;

write output to nc1:'rttest/fj-dblp-csx.adm';

    for $paperDBLP in dataset('DBLP')
    let $idDBLP := $paperDBLP.id
    let $unrankedTokensDBLP := counthashed-word-tokens($paperDBLP.title)
    let $tokensDBLP :=
        for $token in $unrankedTokensDBLP
        for $tokenRanked at $i in
            //
            // -- - Stage 1 - --
            //
            // for $paper in dataset('DBLP')
            // for $token in counthashed-word-tokens($paper.title) 
            // group by $tokenGroupped := $token with $paper
            // order by count($paper), $tokenGroupped
            // return $tokenGroupped
            for $paper in dataset('DBLP')
            return $paper.title            
        where $token = $tokenRanked
        order by $i
        return $i
   
    for $prefixTokenDBLP in $tokensDBLP 

    for $paperCSX in dataset('CSX')
    let $idCSX := $paperCSX.id
    let $unrankedTokensCSX := counthashed-word-tokens($paperCSX.title)
    let $tokensCSX :=        
        for $token in $unrankedTokensCSX
        for $tokenRanked at $i in
            //
            // -- - Stage 1 - --
            //
            // for $paper in dataset('DBLP')
            // for $token in counthashed-word-tokens($paper.title) 
            // group by $tokenGroupped := $token with $paper
            // order by count($paper), $tokenGroupped
            // return $tokenGroupped
            for $paper in dataset('DBLP')
            return $paper.title
        where $token = $tokenRanked
        order by $i
        return $i
        
    for $prefixTokenCSX in $tokensCSX    
    where $prefixTokenDBLP = $prefixTokenCSX
    group by $idDBLP := $idDBLP, $idCSX := $idCSX with $paperDBLP 
    order by $idDBLP, $idCSX
    return {'idDBLP': $idDBLP, 'idCSX': $idCSX}