| drop dataverse tpch if exists; |
| create dataverse tpch; |
| |
| |
| use dataverse tpch; |
| |
| 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; |
| |
| 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/tpch_distinct_by.adm"; |
| |
| for $l in dataset('LineItem') |
| distinct by $l.l_returnflag, $l.l_linestatus, $l.l_shipmode |
| order by $l.l_returnflag, $l.l_linestatus, $l.l_shipmode |
| return { |
| "l_returnflag": $l.l_returnflag, |
| "l_linestatus": $l.l_linestatus, |
| "l_shipmode": $l.l_shipmode |
| } |
