BTree primary index (composite key) usage tests

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_stabilization@662 eaa15691-b419-025a-1212-ee371bd00084
diff --git a/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-10.aql b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-10.aql
new file mode 100644
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+++ b/asterix-app/src/test/resources/optimizerts/queries/btree-index/btree-primary-10.aql
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+/*
+ *  Description     : BTree Index verification (usage) test
+ *                  : This test is intended to verify that the primary BTree index is used 
+ *                  : in the optimized query plan for predicates like (predicate 1 and predicate 2).
+ *  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-primary-10.adm";
+
+create type TestType as open {
+    fname : string,
+    lname : string
+}
+
+// create internal dataset with primary index defined on fname,lname fields
+create dataset testdst(TestType) partitioned by key 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/fn-ln.adm"),("format"="delimited-text"),("delimiter"="|"));
+
+// Query the data that was loaded above. 
+
+for $emp in dataset('testdst') 
+where $emp.fname > "Alex" and $emp.lname < "Zach"
+return $emp