asterix-app/src/test/resources/fuzzyjoin/dblp/000-1-char-at.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.
 */
use dataverse fuzzy1;

declare type DBLPType as open {
  id: int32, 
  dblpid: string,
  title: string,
  authors: string,
  misc: string
}

declare nodegroup group1 on nc1, nc2;

declare dataset DBLP(DBLPType) 
  primary key id on group1;

write output to nc1:"/tmp/dblp.adm";

for $paperR in dataset('DBLP')
where $paperR.id = 1
for $authorR in word-tokens($paperR.authors)
for $paperS in dataset('DBLP')
for $authorS in word-tokens($paperS.authors)
where $authorR = $authorS
return {'R': {'dblpid': $paperR.dblpid, 'authors': $paperR.authors}, 
        'S': {'dblpid': $paperS.dblpid, 'authors': $paperS.authors}}

/*
java.lang.RuntimeException: java.lang.IllegalArgumentException
        at org.apache.hyracks.control.nc.runtime.OperatorRunnable.run(OperatorRunnable.java:70)
        at org.apache.hyracks.control.nc.Stagelet$1.run(Stagelet.java:120)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.IllegalArgumentException
        at org.apache.hyracks.dataflow.common.data.util.StringUtils.charAt(StringUtils.java:62)
        at org.apache.asterix.jobgen.data.tagged.AqlSchemalessPrinterFactory$1.print(AqlSchemalessPrinterFactory.java:103)
        at org.apache.asterix.jobgen.data.tagged.AqlSchemalessPrinterFactory$1.print(AqlSchemalessPrinterFactory.java:112)
        at org.apache.aqua.runtime.operators.std.PrinterRuntime.printTuple(PrinterRuntime.java:90)
        at org.apache.aqua.runtime.operators.std.PrinterRuntime.nextFrame(PrinterRuntime.java:58)
        at org.apache.aqua.runtime.operators.base.AquaMetaOperatorDescriptor$2.nextFrame(AquaMetaOperatorDescriptor.java:123)
        at org.apache.hyracks.control.nc.runtime.OperatorRunnable.run(OperatorRunnable.java:62)
        ... 4 more
*/