| 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 type OrderType as closed { |
| o_orderkey: int32, |
| o_custkey: int32, |
| o_orderstatus: string, |
| o_totalprice: double, |
| o_orderdate: string, |
| o_orderpriority: string, |
| o_clerk: string, |
| o_shippriority: int32, |
| o_comment: string |
| } |
| |
| create type CustomerType as closed { |
| c_custkey: int32, |
| c_name: string, |
| c_address: string, |
| c_nationkey: int32, |
| c_phone: string, |
| c_acctbal: double, |
| c_mktsegment: string, |
| c_comment: string |
| } |
| |
| create nodegroup group1 if not exists on nc1, nc2; |
| |
| create dataset LineItems(LineItemType) |
| primary key l_orderkey, l_linenumber on group1; |
| create dataset Orders(OrderType) |
| primary key o_orderkey on group1; |
| create dataset Customers(CustomerType) |
| primary key c_custkey on group1; |
| |
| write output to nc1:"/tmp/nested_loj.adm"; |
| |
| for $c in dataset('Customers') |
| let $orders := |
| for $o in dataset('Orders') |
| where $o.o_custkey = $c.c_custkey |
| let $items := |
| for $l in dataset('LineItems') |
| where $l.l_orderkey = $o.o_orderkey |
| return $l |
| return { |
| "order": $o, |
| "items": $items |
| } |
| return { |
| "cust": $c, |
| "orders": $orders |
| } |