asterix-app/src/test/resources/fuzzyjoin/dblp/000-1-char-at.aql

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
*/