asterix-app/src/test/resources/runtimets/queries/dml/empty-load.aql

/* 
 * Test case Name  : empty-load-with-index.aql
 * Description     : Check that an empty load doesn't preclude a future non-empty load on primary index 
 * Expected Result : Success
 * Date            : May 2 2012
 */

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

create type LineItemType as closed {
  l_orderkey: int32, 
  l_partkey: int32, 
  l_suppkey: int32, 
  l_linenumber: int32, 
  l_quantity: double, 
  l_extendedprice: double,
  l_discount: double, 
  l_tax: double,
  l_returnflag: string, 
  l_linestatus: string, 
  l_shipdate: string,
  l_commitdate: string, 
  l_receiptdate: string, 
  l_shipinstruct: string, 
  l_shipmode: string, 
  l_comment: string
}

create dataset LineItem(LineItemType)
  partitioned by key l_orderkey, l_linenumber;

create index part_index on LineItem(l_partkey);

load dataset LineItem 
using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
(("path"="nc1://data/empty.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;

load dataset LineItem 
using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter"
(("path"="nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;

write output to nc1:"rttest/dml_empty-load.adm";      
for $c in dataset('LineItem')
order by $c.l_orderkey, $c.l_linenumber
limit 1
return $c