Bugs item #1766259, was opened at 2007-08-02 17:20
Message generated for change (Comment added) made by vzzzbx
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Category: PF/runtime
Group: (zombie: Pathfinder 0.18)
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Wouter Alink (vzzzbx)
Assigned to: Nobody/Anonymous (nobody)
Summary: XQ: monetdb immune for updates
Initial Comment:
this is another try at reproducing errors i get. (using monday's nightly build
containing sjoerd's fixes for first swizzle bug)
given a set of documents (they are again too large to be included as attachment
at sourceforge, and i've sent them to sjoerd again) and executing a list of
updates (by typing 'MapiClient -lxq < scenario.xq') will result in a (large)
document. it seems to be broken though, because when doing another update:
echo 'do insert <aap/> into doc("test003.xml")/id("17990")' | MapiClient
the document is not updated (no 'aap' is inserted) :
echo 'doc("test003.xml")/id("17990")' | MapiClient
<file xend="36325078" xstart="36324973"
name="MANIFEST.MF"><size>106</size><modified><date
unixtime="1169823760"/></modified><compressedsize>94</compressedsize><container
tool="general-purpose/magic-tool"><magic>text/plain;
charset=us-ascii</magic></container></file>
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>Comment By: Wouter Alink (vzzzbx)
Date: 2007-09-25 12:01
Message:
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next try... (sorry for the delay)
i could not find a smaller script with the exact same details of this bug,
but this one comes close (and the result is again that the document seems
to be broken and no updates can be performed afterwards).
i attached a script (+xml files) that should run within a minute with
Monetdb claiming less than 500MB of memory. It produces the error message:
ERROR = !ERROR: CMDfind: value not found.
!ERROR: CMDfind: operation failed.
on the last query of the script, which tries to insert 256 elements (each
with 2 child elements (total=768 element-nodes)) into the test10.xml
document.
trying to insert those elements in batches of 100, 100 and 56 elements
(instead of 256 at once) seems to work, but afterwards the document is
corrupted. (for example: adding the first batch of 100 again, yields only
101 new element-nodes (instead of the expected 300))
(perhaps this helps to find the cause: i noticed that it is still possible
to insert elements (say: '<aap/>') into nodes that occur in the beginning
of the document (for example the node with xid=10))
p.s. i used the 0.18.4 Superball, compiled with 64bit, 64bit-oids,
optimization enabled, on fedora core 6
File Added: test10.tar.gz
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Comment By: Martin Kersten (mlkersten)
Date: 2007-09-09 11:00
Message:
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Wouter, please check status and update/close the report.
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Comment By: Sjoerd Mullender (sjoerd)
Date: 2007-08-03 16:13
Message:
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I've tried running your test, but after nearly two hours of thrashing I
killed the Mserver so I could use my machine again.
Please, if you think this is a bug and you want to get it fixed, come up
with a smaller test.
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