| /* |
| * Description : Test that BTree index is used in query plan |
| * : define the BTree index on a composite key (fname,lanme) |
| * : predicate => where $l.fname="Julio" and $l.lname="Isa" |
| * Expected Result : Success |
| * Issue : Issue 162 |
| * Date : 7th August 2012 |
| */ |
| |
| drop dataverse test if exists; |
| create dataverse test; |
| use dataverse test; |
| |
| create type Emp as closed { |
| id:int32, |
| fname:string, |
| lname:string, |
| age:int32, |
| dept:string |
| } |
| |
| create dataset employee(Emp) partitioned by key id; |
| |
| load dataset employee |
| using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter" |
| (("path"="nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|")); |
| |
| create index idx_employee_f_l_name on employee(fname,lname); |
| |
| write output to nc1:"rttest/index-selection_btree-index-composite-key.adm"; |
| |
| for $l in dataset('employee') |
| where $l.fname="Julio" and $l.lname="Isa" |
| return $l |
| |