--set echo on;

-- transitive dt


echo both "SPARQL Transitivity with mapping\n";

create table knows (p1 int, p2 int, primary key (p1, p2))
alter index knows on knows partition (p1 int);
create index knows2 on knows (p2, p1) partition (p2 int);

DB.DBA.RDF_AUDIT_METADATA (2,'*');
sparql create iri class <psn-iri> "psn://%d" (in i integer);
sparql drop quad map graph <psn>;

sparql alter quad storage virtrdf:DefaultQuadStorage {
    create <psn-qm> as graph <psn> option (exclusive) {
        <psn-iri> (DB.DBA.knows.p1) <knows> <psn-iri> (DB.DBA.knows.p2) . } };

explain ('select * from (select transitive t_in (1) t_out (2) t_distinct  p1, p2 from knows) k where k.p1 = 1');

explain ('select * from (select transitive t_in (1) t_out (2) t_distinct  p1, p2 from knows union select p2, p1 from knows) k where k.p1 = 1');


insert soft knows values (1, 2);
insert soft knows values (1, 3);
insert soft knows values (2, 4);

sparql select * from <psn> where { ?s ?p ?o };

select sparql_to_sql_text ('
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_in(?s), t_out(?o)) . filter (?s=<psn://1>)}
');
sparql
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_in(?s), t_out(?o)) . filter (?s=<psn://1>)}
;
echo both $if $equ $rowcnt 3 "PASSED" "***FAILED";
echo both ": trans lr\n";

select sparql_to_sql_text ('
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_in(?s), t_out(?o)) . filter (?o=<psn://1>)}
');
sparql
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_in(?s), t_out(?o)) . filter (?o=<psn://1>)}
;
echo both $if $equ $rowcnt 0 "PASSED" "***FAILED";
echo both ": trans lr 2\n";


select sparql_to_sql_text ('
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_in(?s), t_out(?o)) . filter (?o=<psn://4>)}
');
sparql
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_in(?s), t_out(?o)) . filter (?o=<psn://4>)}
;
echo both $if $equ $rowcnt 2 "PASSED" "***FAILED";
echo both ": trans rl\n";

select sparql_to_sql_text ('
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_in(?s), t_out(?o)) . filter (?s=<psn://1> && ?o=<psn://4>)}
');
sparql
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_in(?s), t_out(?o)) . filter (?s=<psn://1> && ?o=<psn://4>)}
;
echo both $if $equ $rowcnt 1 "PASSED" "***FAILED";
echo both ": trans lrrl 1\n";

select sparql_to_sql_text ('
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }} option
 (transitive, t_distinct, t_direction 1, t_in(?s), t_out(?o)) . filter (?s=<psn://1> && ?o=<psn://4>)}
');
sparql
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_direction 1, t_in(?s), t_out(?o)) . filter (?s=<psn://1> && ?o=<psn://4>)}
;
echo both $if $equ $rowcnt 1 "PASSED" "***FAILED";
echo both ": trans lrrl 2\n";

select sparql_to_sql_text ('
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_direction 2, t_in(?s), t_out(?o)) . filter (?s=<psn://1> && ?o=<psn://4>)}
');
sparql
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_direction 2, t_in(?s), t_out(?o)) . filter (?s=<psn://1> && ?o=<psn://4>)}
;
echo both $if $equ $rowcnt 1 "PASSED" "***FAILED";
echo both ": trans lrrl 3\n";

select sparql_to_sql_text ('
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_direction 3, t_shortest_only, t_in(?s), t_out(?o)) . filter (?s=<psn://1> && ?o=<psn://4>)}
');
sparql
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_direction 3, t_shortest_only, t_in(?s), t_out(?o)) . filter (?s=<psn://1> && ?o=<psn://4>)}
;
echo both $if $equ $rowcnt 1 "PASSED" "***FAILED";
echo both ": trans lrrl 4\n";

select sparql_to_sql_text ('
select * from <psn> where { {select * from <psn> where {{?s <knows> ?o} union {?o <knows> ?s}}}
 option (transitive, t_distinct, t_in(?s), t_out(?o)) . filter (?o=<psn://4>)}
');
sparql select * from <psn> where { {select * from <psn> where {{?s <knows> ?o} union {?o <knows> ?s}}}
 option (transitive, t_distinct, t_in(?s), t_out(?o)) . filter (?o=<psn://4>)}
;
echo both $if $equ $rowcnt 3 "PASSED" "***FAILED";
echo both ": trans rl union\n";


select sparql_to_sql_text ('
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_direction 1, t_in(?s), t_out(?o), t_step (?s) as ?via, t_step ("path_id") as ?path, t_step ("step_no") as ?step) . filter (?s=<psn://1> && ?o=<psn://4>)}
');
sparql
select * from <psn> where { {select * from <psn> where { ?s <knows> ?o }}
 option (transitive, t_distinct, t_direction 1, t_in(?s), t_out(?o), t_step (?s) as ?via, t_step ("path_id") as ?path, t_step ("step_no") as ?step) . filter (?s=<psn://1> && ?o=<psn://4>)}
;
select * from (select transitive t_in (1) t_out (2) t_direction 1 t_distinct  p1, p2, t_step (1) as via, t_step ('path_id') as path , t_step ('step_no') as step from knows) k where p1 = 1 and p2 = 4;
echo both $if $equ $rowcnt 3 "PASSED" "***FAILED";
echo both ": trans steps d1\n";

select * from (select transitive t_in (1) t_out (2) t_direction 2 t_distinct  p1, p2, t_step (1) as via, t_step ('path_id') as path , t_step ('step_no') as step from knows) k where p1 = 1 and p2 = 4;
echo both $if $equ $rowcnt 3 "PASSED" "***FAILED";
echo both ": trans steps d2\n";

select * from (select transitive t_in (1) t_out (2) t_direction 3 t_distinct t_shortest_only  p1, p2, t_step (1) as via, t_step ('path_id') as path , t_step ('step_no') as step from knows) k where p1 = 1 and p2 = 4;
echo both $if $equ $rowcnt 3 "PASSED" "***FAILED";
echo both ": trans steps d3\n";


select p2, dist, (select count (*) from knows c where c.p1 = k.p2) from (select transitive t_in (1) t_out (2) t_distinct  p1, p2,  t_step ('step_no') as dist  from knows) k where p1 = 1 order by dist, 3 desc;
echo both $if $equ $rowcnt 3 "PASSED" "***FAILED";
echo both ": trans order dist, friend count\n";

