asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-secondary-44.aql

/*
 *  Description     : BTree Index verification (usage) test
 *                  : This test is intended to verify that the secondary BTree index is NOT used 
 *                  : in the optimized query plan for predicates like ($v1 >= v2 and $v3 <= v4).
 *  Expected Result : Success
 *  Date            : 13th Aug 2012
 */

drop dataverse test if exists;
create dataverse test;
use dataverse test;

write output to nc1:"rttest/btree-index_btree-secondary-44.adm";

create type TestType as open {
    id : int32,
    fname : string,
    lname : string
}

// create internal dataset
create dataset testdst(TestType) partitioned by key id;

// create secondary index
create index sec_Idx on testdst(fname,lname);

// load valid data with fname and lname entries

load dataset testdst
using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
(("path"="nc1://data/id-fn-ln.adm"),("format"="delimited-text"),("delimiter"="|"));

// Query the data that was loaded above. 

for $emp in dataset('testdst') 
where $emp.fname >= "Michael" and $emp.lname <= "Xu"
return $emp