Bugs item #2668437, was opened at 2009-03-06 15:30
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Category: PF/runtime
Group: Pathfinder "stable"
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Jan Rittinger (tsheyar)
Assigned to: Stefan Manegold (stmane)
Summary: PF runtime: parent step sets properties incorrectly
Initial Comment:
The following query returns the wrong number:
count(doc("consumer04.xml")//properties/../properties)
The reason is the parent step implementation (loop_lifted_parent_step) that
makes some assumptions that are not true (see following example).
If I run the following query with debug mask 10 I get a warning:
> echo 'count(doc("consumer04.xml")//properties/..)' | pf | Mserver --debug=10
#BATpropcheck: BAT tmpr_2464(-1332)[oid,oid] with 1156921 tuples was
incorrectly marked sorted!
#BATpropcheck: BAT tmpr_2464(-1332)[oid,oid] with 1156921 tuples remains marked
radix-clustered on 32 bits; not checked!
<?xml version="1.0" encoding="utf-8"?>
<XQueryResult>1156921</XQueryResult>
The document consumer04.xml is linked in the XIRAF testset in the pathfinder
wiki.
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