Query: for $n in //items/*

let $p :=  $n/@publisher

let $a :=  $n/@edition | $n/@label

return 

  if ($p) then delete nodes $a

  else if ($a) then

    ( rename node $a[1] as "publisher" , 

      delete node $a[2]) 

  else ()

Error: Improper use? Potential bug? Your feedback is welcome:

Contact: basex-talk@mailman.uni-konstanz.de

Version: BaseX 7.2

Java: Apple Inc., 1.6.0_31

OS: Mac OS X, x86_64

Stack Trace: 

java.lang.ArrayIndexOutOfBoundsException: 2147483647

  org.basex.io.random.TableDiskAccess.cursor(TableDiskAccess.java:401)

  org.basex.io.random.TableDiskAccess.read1(TableDiskAccess.java:115)

  org.basex.data.Data.kind(Data.java:309)

  org.basex.data.Data.delete(Data.java:659)

  org.basex.query.up.primitives.DeleteNode.apply(DeleteNode.java:35)

  org.basex.query.up.NodeUpdates.makePrimitivesEffective(NodeUpdates.java:216)

  org.basex.query.up.DatabaseUpdates.apply(DatabaseUpdates.java:148)

  org.basex.query.up.ContextModifier.applyUpdates(ContextModifier.java:58)

  org.basex.query.up.Updates.apply(Updates.java:188)

  org.basex.query.QueryContext.value(QueryContext.java:259)

  org.basex.query.QueryContext.iter(QueryContext.java:243)

  org.basex.query.QueryContext.execute(QueryContext.java:432)

  org.basex.query.QueryProcessor.execute(QueryProcessor.java:97)

  org.basex.core.cmd.AQuery.query(AQuery.java:91)

  org.basex.core.cmd.XQuery.run(XQuery.java:20)

  org.basex.core.Command.run(Command.java:345)

  org.basex.core.Command.exec(Command.java:324)

  org.basex.core.Command.execute(Command.java:76)

  org.basex.gui.GUI.exec(GUI.java:404)

  org.basex.gui.GUI$6.run(GUI.java:355)