Bugs item #3328520, was opened at 2011-06-24 23:47
Message generated for change (Settings changed) made by shcheklein
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Category: Query Execution
Group: Sedna (development)
Status: Open
Resolution: Accepted
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
>Assigned to: Alexander Kalinin (allexk)
Summary: server segfault with invalid query
Initial Comment:
<sedna version="3.4" build="332"/>
Linux 2.6.32-5-amd64 #1 SMP Wed Jan 12 03:40:32 UTC 2011 x86_64 GNU/Linux
LOG 24/06/2011 22:44:22 (TRN ft pid=11349 sid=49 trid=-1)
[tr.cpp:TRmain:182]: Session is ready
LOG 24/06/2011 22:44:22 (TRN ft pid=11349 sid=49 trid=-1)
[tr_common_funcs.cpp:on_transaction_end:411]: Transaction has been COMMITED
LOG 24/06/2011 22:44:22 (TRN ft pid=11349 sid=49 trid=49)
[tr_functions.cpp:on_user_statement_begin:104]: User query:
--- let $el := <foo/>
--- return $el/*[position() = (1 to n)]
FATAL 24/06/2011 22:44:22 (TRN ft pid=11349 sid=49 trid=49) [tr.cpp:TRmain:92]:
Access violation or stack overflow
The query is invalid (n is not a defined variable) but should see an error
message instead.
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>Comment By: Ivan Shcheklein (shcheklein)
Date: 2011-06-29 01:09
Message:
lreturn's checkIfPosConjunct doesn't check context dependence. Possible
solution add:
if(cand && it->use_cxt)
it->use_pos = true;
at lreturn.cpp:2064
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