Bugs item #1741459, was opened at 2007-06-22 14:36
Message generated for change (Comment added) made by tsheyar
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Category: PF/runtime
Group: Pathfinder CVS Head
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Jan Rittinger (tsheyar)
Assigned to: Peter Boncz (boncz)
Summary: PF: ws_create inconsistently adds a collection node

Initial Comment:
In pathfinder.mx PROC ws_create a bogus COLLECTION node is added.

This is however only done for a subset of PRE_* columns (PRE_CONT and NID_RID 
are ignored). If the first change to the working set container adds its nodes 
with append() the pre numbers are not aligned anymore. 

I propose to also add a dummy value for the ignored BATs. Then it shouldn't 
matter whether insert() or append() is used. As I have no idea how collections 
are represented I leave the solution to somebody else.

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>Comment By: Jan Rittinger (tsheyar)
Date: 2007-07-06 18:17

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Peter, does the following patch do the correct thing? - Or is something
else needed?

===================================================================
RCS file: /cvsroot/monetdb/pathfinder/runtime/pathfinder.mx,v
retrieving revision 1.370
diff -r1.370 pathfinder.mx
1366a1367,1368
>     ws.fetch(PRE_CONT).fetch(WS).append(oid_nil);
>     ws.fetch(NID_RID).fetch(WS).append([EMAIL PROTECTED]);


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Comment By: Peter Boncz (boncz)
Date: 2007-07-03 12:02

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the bogus collection is a super-root node for all temporarily constructed
XML fragments

thanks for noting -- will fix
 

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Comment By: Jan Rittinger (tsheyar)
Date: 2007-06-29 18:11

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I think all failing algebra queries relate to this bug!

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