| drop dataverse test if exists; |
| |
| create dataverse test; |
| |
| use dataverse test; |
| |
| create type AddressType as open { |
| number: int32, |
| street: string, |
| city: string |
| } |
| |
| create type CustomerOrderType as open { |
| cid: int32, |
| name: string, |
| age: int32?, |
| address: AddressType?, |
| orders: [OrderType] |
| } |
| |
| create type OrderType as open { |
| oid: int32, |
| cid: int32, |
| orderstatus: string, |
| orderpriority: string, |
| clerk: string, |
| total: float |
| } |
| |
| create nodegroup group1 if not exists on nc1, nc2; |
| |
| create dataset CustomerOrders(CustomerOrderType) |
| partitioned by key cid on group1; |
| |
| |
| load dataset CustomerOrders |
| using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter" |
| (("path"="nc1://data/custord-tiny/custorder-tiny.adm"),("format"="adm")) pre-sorted; |
| |
| |
| write output to nc1:"rttest/custord_freq_clark.adm"; |
| |
| for $c in dataset('CustomerOrders') |
| for $o in $c.orders |
| group by $clerk := $o.clerk with $o |
| let $count := count($o) |
| order by $count, $clerk desc |
| return { "clerk": $clerk, "ordercount": $count } |
| |
