| (: Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. :) |
| (: |
| XQuery Filter Query |
| ------------------- |
| See historical data for Key West International Airport, FL (USW00012836) |
| station by selecting the weather readings for December 25 over the last |
| 10 years. |
| :) |
| let $collection := "/tmp/1.0_partition_ghcnd_all_xml/sensors" |
| for $r in collection($collection) |
| for $data in $r("dataCollection")("data") |
| let $datetime := xs:dateTime(fn:data($data("date"))) |
| where $data("station") eq "GHCND:USW00012836" |
| and fn:year-from-dateTime($datetime) ge 2003 |
| and fn:month-from-dateTime($datetime) eq 12 |
| and fn:day-from-dateTime($datetime) eq 25 |
| return $data |