Bugs item #2897126, was opened at 2009-11-13 11:18
Message generated for change (Comment added) made by stmane
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Category: PF/compiler
Group: Pathfinder "stable"
Status: Open
Resolution: None
Priority: 8
Private: No
Submitted By: Axel Belinfante (axelbel)
>Assigned to: Jan Rittinger (tsheyar)
Summary: pf fatal error: duplicate column in equi-join

Initial Comment:
compiling attached query with pf causes it to report:

fatal error: duplicate column `item778' in equi-join
# halted in logical.c (PFla_eqjoin), line 690

this is on linux :
Linux ewi865 2.6.16.21-0.8-smp #1 SMP Mon Jul 3 18:25:39 UTC 2006 x86_64 x86_64 
x86_64 GNU/Linux

this is with the may-2009 release, as well as with the aug-2009-sp2 release.


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>Comment By: Stefan Manegold (stmane)
Date: 2009-11-13 12:04

Message:
Jan,

could you please have a look at this.

As background info:
until Peter disabled this a few day ago in the Nov2009 release candidate
branch,
the embedded compiler did automatically switch back to the old MPS version
of the compiler once it encounters a module query.
That's why Alex's query appears to work with mclient but fails with pf.
In fact, it works (i.e., produces MIL instead of triggering the reported
error) for me also with `pf -M` i.e., forcing pf to use its deprecated MPS
back-end ...


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Comment By: Axel Belinfante (axelbel)
Date: 2009-11-13 11:53

Message:
one more note: when I submit the equivalent query to  mclient -lx  it works
(produces the expected output)

where equivalent means: replacing the ./  in     at
"./duplicate-column-issue.xq"
 by a full path, eg     at "/tmp/duplicate-column-issue.xq";     

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Comment By: Axel Belinfante (axelbel)
Date: 2009-11-13 11:22

Message:
(not sure about right category or group; this seems most logical)

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=482468&aid=2897126&group_id=56967

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