asterix-app/src/test/resources/optimizerts/queries/query-issue550.aql

/*
 * 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.
 */
/*
 * Description     : This test case is to verify the fix for issue550
 * https://code.google.com/p/asterixdb/issues/detail?id=550
 * Expected Result : Success
 * Date            : 25th October 2014
 */

let $sample :=
{{ 
   {"r": 1, "uid": "1a2b", "t": datetime("2000-01-01T01:00:00"), "event": "e1"},
   {"r": 2, "uid": "1a2b", "t": datetime("2000-01-01T01:01:00"), "event": "e2"},
   {"r": 3, "uid": "3c4d", "t": datetime("2000-01-01T01:02:00"), "event": "e1"},
   {"r": 4, "uid": "3c4d", "t": datetime("2000-01-01T01:03:00"), "event": "e3"},
   {"r": 5, "uid": "1a2b", "t": datetime("2000-01-01T01:04:00"), "event": "e1"},
   {"r": 6, "uid": "1a2b", "t": datetime("2000-01-01T01:05:00"), "event": "e4"}
}}
for $s in $sample
group by $u := $s.uid with $s
return {
   "u": $u,
   "recs": ( for $srec in $s return $srec )
 };