asterix-app/src/test/resources/optimizerts/queries/query_issue849.aql

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/*
 * Description  : This test case is to verify the fix for issue827
 * https://code.google.com/p/asterixdb/issues/detail?id=849
 * Expected Res : SUCCESS
 * Date         : 2nd Feb. 2015
 */

drop dataverse test if exists;
create dataverse test;

use dataverse test;

create type sType as closed{b : int32};
create dataset s(sType) primary key b;

insert into dataset s ({ "b" : 1});
insert into dataset s ({ "b" : 3});

for $x in {{ {"a":1},{"a":2} }}
for $y in (
 for $z in dataset s where $x.a=$z.b
    return $z.b
)
return {"x":$x,"y":$y}