Bugs item #2276427, was opened at 2008-11-13 13:48
Message generated for change (Comment added) made by hans_0_
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Hans (hans_0_)
Assigned to: Nobody/Anonymous (nobody)
Summary: CMDmulti_merged_union: operation failed
Initial Comment:
This error was raised with the following xquery:
let $indexdoc := <XIRAF>
<link xid="127403" nid="2070022"><properties/></link>
<link xid="127431" nid="2070238"><properties/></link>
<file xid="146327"
nid="2367886"><properties><name>name1</name></properties></file>
<folder xid="148892"
nid="2408034"><properties><name>name2</name></properties></folder>
</XIRAF>
let $notesdoc := (<root><notes>
<objectnote unixtime="1222247507" user="user1" xid="146327">On 24 Sep 2008
09:11:47 GMT user1 wrote: Interessant </objectnote>
<objectnote unixtime="1216997181" user="user2" xid="148892">On 25 Jul 2008
16:46:21 GMT user2 wrote: folder name sounds suspicious</objectnote>
<objectnote unixtime="1216652532" user="user2" xid="127403">On 21 Jul 2008
17:02:12 GMT user2 wrote: een hyves account.. </objectnote>
<objectnote unixtime="1216652365" user="user2" xid="127431">On 21 Jul 2008
16:59:25 GMT user2 wrote: Datum van zoekopdracht: 3 Jun 2008 16:10:42
GMT</objectnote>
<objectnote unixtime="1216652301" user="user2" xid="127431">On 21 Jul 2008
16:58:21 GMT user2 wrote: hmmm, </objectnote>
</notes></root>)
let $result := (let $input := ($indexdoc//*[properties])
let $notedxids := distinct-values($notesdoc/notes/objectnote/@xid)
let $notedobjectsresult := $input intersect
(for $notedxid in $notedxids
return [EMAIL PROTECTED])
for $raw in $notedobjectsresult
return $raw
)
let $subresult := subsequence($result, 1, 1000)
let $nobj := count($subresult)
let $out := (
for $i in $subresult
let $note := ($notesdoc/notes/[EMAIL PROTECTED]/@xid])[1]
return element { name($i) } {
attribute nid { string(exactly-one(pf:nid(exactly-one($i)))) },
$i/@xid,
$i/properties/(name)
,$note
})
return element result {
element matches { count($result) },
element results { $out }
}
<>
Raises the following error report:
MAPI = [EMAIL PROTECTED]:51240
QUERY = let $indexdoc := <XIRAF>
ERROR = !ERROR: merged_union: tail of first BAT/column of table 3 must be
sorted.
!ERROR: CMDmulti_merged_union: operation failed.
Whereas the following xquery:
let $indexdoc := <XIRAF>
<link xid="127403" nid="2070022"><properties/></link>
<link xid="127431" nid="2070238"><properties/></link>
<file xid="146327"
nid="2367886"><properties><name>name1</name></properties></file>
<folder xid="148892"
nid="2408034"><properties><name>name2</name></properties></folder>
</XIRAF>
let $notesdoc := (<root><notes>
<objectnote unixtime="1222247507" user="user1" xid="146327">On 24 Sep 2008
09:11:47 GMT user1 wrote: Interessant </objectnote>
<objectnote unixtime="1216997181" user="user2" xid="148892">On 25 Jul 2008
16:46:21 GMT user2 wrote: folder name sounds suspicious</objectnote>
<objectnote unixtime="1216652532" user="user2" xid="127403">On 21 Jul 2008
17:02:12 GMT user2 wrote: een hyves account.. </objectnote>
<objectnote unixtime="1216652365" user="user2" xid="127431">On 21 Jul 2008
16:59:25 GMT user2 wrote: Datum van zoekopdracht: 3 Jun 2008 16:10:42
GMT</objectnote>
<objectnote unixtime="1216652301" user="user2" xid="127431">On 21 Jul 2008
16:58:21 GMT user2 wrote: hmmm, </objectnote>
</notes></root>)
let $result := (let $input := ($indexdoc//*[properties])
let $notedxids := distinct-values($notesdoc/notes/objectnote/@xid)
let $notedobjectsresult := $input intersect
(for $notedxid in $notedxids
return [EMAIL PROTECTED])
for $raw in $notedobjectsresult
return $raw
)
let $subresult := subsequence($result, 1, 1000)
let $nobj := count($subresult)
let $out := (
for $i in $subresult
let $note := ($notesdoc/notes/[EMAIL PROTECTED]/@xid])[1]
return element { name($i) } {
attribute nid { string(exactly-one(pf:nid(exactly-one($i)))) },
$i/@xid,
$i/properties/(name)
,element objectnote {$note/@*, $note/*, $note/text()}
})
return element result {
element matches { count($result) },
element results { $out }
}
<>
Returns:
<result><matches>4</matches>
<results>
<link xid="127403" nid="3"><objectnote xid="127403" user="user2"
unixtime="1216652532">On 21 Jul 2008 17:02:12 GMT user2 wrote: een hyves
account.. </objectnote></link>
<link xid="127431" nid="5"><objectnote xid="127431" user="user2"
unixtime="1216652365">On 21 Jul 2008 16:59:25 GMT user2 wrote: Datum van
zoekopdracht: 3 Jun 2008 16:10:42 GMT</objectnote></link>
<file xid="146327" nid="7"><name>name1</name><objectnote xid="146327"
user="user1" unixtime="1222247507">On 24 Sep 2008 09:11:47 GMT user1 wrote:
Interessant </objectnote></file>
<folder xid="148892" nid="11"><name>name2</name><objectnote xid="148892"
user="user2" unixtime="1216997181">On 25 Jul 2008 16:46:21 GMT user2 wrote:
folder name sounds suspicious</objectnote></folder>
</results></result>
The only difference in the xquery is in line 31:
,$note
is replaced by:
,element objectnote {$note/@*, $note/*, $note/text()}
I used a compiled version of the MonetDB-Aug2008-SuperBall.tar.bz2 on an Ubuntu
8.04 Linux system.
Regards,
Hans van Rijswijk
Netherlands Forensic Institute
The Hague, Netherlands.
----------------------------------------------------------------------
>Comment By: Hans (hans_0_)
Date: 2008-11-14 07:13
Message:
Stefan,
The query result you described in your reply Date: 2008-11-13 16:36 is not
complete.
Please compare the my query result to yours and you will see three
objectnote nodes are missing.
So, in my opinion the problem has not been fixed.
Regards,
Hans
----------------------------------------------------------------------
Comment By: Stefan Manegold (stmane)
Date: 2008-11-13 16:36
Message:
Hans,
thanks for the report.
With the latest CVS version for the new Nov2008 release branches (the
version that will soon become the new Nov2008 release of MonetDB), the
query works fine for me, yielding
<result><matches>4</matches><results><link xid="127403" nid="3"/><link
xid="127431" nid="5"/><file xid="146327"
nid="7"><name>name1</name><objectnote xid="146327" user="user1"
unixtime="1222247507">On 24 Sep 2008
09:11:47 GMT user1 wrote: Interessant </objectnote></file><folder
xid="148892" nid="11"><name>name2</name></folder></results></result>
Hence, I assume the problem has been fixed (or "eliminated") in CVS since
the Aug2008 release and will be solved for you as soon as the upcoming
Nov2008 will be available and you will have upgraded to it.
For now, you could try whether the problem is "merely" a property
propagtion problem by running Mserver with property checking endabled,
i.e.,
`Mserver --debug=10 ...`.
In case you do so, please report your finding here.
Stefan
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