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User-Agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.11 Safari/535.19
Build Identifier:
I reduced the query to:
sql>select 1 as y, (select x from (select 1) as test where x = y);
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffebaa7700 (LWP 30558)]
0x00007fffec41da1a in sql_ref_inc (r=0x0) at sql_mem.c:41
41 assert(r->refcnt > 0);
(gdb) bt
0 0x00007fffec41da1a in sql_ref_inc (r=0x0) at sql_mem.c:41
1 0x00007fffec385703 in rel_dup (r=0x0) at rel_select.c:40
2 0x00007fffec397c41 in rel_select_exp (sql=0x13dfd90, rel=0x15071f0, outer=0x1506f20, sn=0x1506c40, ek=...) at rel_select.c:4621
3 0x00007fffec3995cb in rel_query (sql=0x13dfd90, rel=0x1506f20, sq=0x1506c40, toplevel=0, ek=...) at rel_select.c:4972
4 0x00007fffec39ad33 in rel_subquery (sql=0x13dfd90, rel=0x1506f20, sq=0x1506c40, ek=...) at rel_select.c:5328
5 0x00007fffec396bab in rel_value_exp2 (sql=0x13dfd90, rel=0x7fffebaa6a30, se=0x1506c40, f=3, ek=..., is_last=0x7fffebaa6934) at rel_select.c:4321
6 0x00007fffec396ecb in rel_value_exp (sql=0x13dfd90, rel=0x7fffebaa6a30, se=0x1506c40, f=3, ek=...) at rel_select.c:4385
7 0x00007fffec396fb9 in column_exp (sql=0x13dfd90, rel=0x7fffebaa6a30, column_e=0x1506d40, f=3) at rel_select.c:4398
8 0x00007fffec39722b in rel_column_exp (sql=0x13dfd90, rel=0x7fffebaa6a30, column_e=0x1506d40, f=3) at rel_select.c:4442
9 0x00007fffec39736b in rel_simple_select (sql=0x13dfd90, rel=0x1506f20, where=0x0, selection=0x1506370, distinct=0) at rel_select.c:4468
10 0x00007fffec3995a3 in rel_query (sql=0x13dfd90, rel=0x0, sq=0x1506e70, toplevel=1, ek=...) at rel_select.c:4969
11 0x00007fffec39ad33 in rel_subquery (sql=0x13dfd90, rel=0x0, sq=0x1506e70, ek=...) at rel_select.c:5328
12 0x00007fffec39add0 in rel_selects (sql=0x13dfd90, s=0x1506e70) at rel_select.c:5339
13 0x00007fffec38569a in rel_semantic (sql=0x13dfd90, s=0x1506e70) at rel_semantic.c:297
14 0x00007fffec2f2a1a in sql_symbol2relation (c=0x13dfd90, sym=0x1506e70) at sql.mx:1616
15 0x00007fffec2e1402 in SQLparser (c=0x668328) at sql_scenario.c:1386
16 0x00007ffff6a7f154 in runPhase (c=0x668328, phase=1) at mal_scenario.c:522
17 0x00007ffff6a7f2af in runScenarioBody (c=0x668328) at mal_scenario.c:564
18 0x00007ffff6a7f559 in runScenario (c=0x668328) at mal_scenario.c:601
19 0x00007ffff6a805e7 in MSserveClient (dummy=0x668328) at mal_session.c:438
20 0x00007ffff2ea9d0c in start_thread () from /lib64/libpthread.so.0
21 0x00007ffff2befd7d in clone () from /lib64/libc.so.6
Date: 2012-02-15 15:28:46 +0100
From: @skinkie
To: SQL devs <>
Version: 11.7.5 (Dec2011) [obsolete]
CC: @drstmane
Last updated: 2012-02-29 10:34:22 +0100
Comment 16887
Date: 2012-02-15 15:28:46 +0100
From: @skinkie
User-Agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.11 Safari/535.19
Build Identifier:
I reduced the query to:
sql>select 1 as y, (select x from (select 1) as test where x = y);
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffebaa7700 (LWP 30558)]
0x00007fffec41da1a in sql_ref_inc (r=0x0) at sql_mem.c:41
41 assert(r->refcnt > 0);
(gdb) bt
0 0x00007fffec41da1a in sql_ref_inc (r=0x0) at sql_mem.c:41
1 0x00007fffec385703 in rel_dup (r=0x0) at rel_select.c:40
2 0x00007fffec397c41 in rel_select_exp (sql=0x13dfd90, rel=0x15071f0, outer=0x1506f20, sn=0x1506c40, ek=...) at rel_select.c:4621
3 0x00007fffec3995cb in rel_query (sql=0x13dfd90, rel=0x1506f20, sq=0x1506c40, toplevel=0, ek=...) at rel_select.c:4972
4 0x00007fffec39ad33 in rel_subquery (sql=0x13dfd90, rel=0x1506f20, sq=0x1506c40, ek=...) at rel_select.c:5328
5 0x00007fffec396bab in rel_value_exp2 (sql=0x13dfd90, rel=0x7fffebaa6a30, se=0x1506c40, f=3, ek=..., is_last=0x7fffebaa6934) at rel_select.c:4321
6 0x00007fffec396ecb in rel_value_exp (sql=0x13dfd90, rel=0x7fffebaa6a30, se=0x1506c40, f=3, ek=...) at rel_select.c:4385
7 0x00007fffec396fb9 in column_exp (sql=0x13dfd90, rel=0x7fffebaa6a30, column_e=0x1506d40, f=3) at rel_select.c:4398
8 0x00007fffec39722b in rel_column_exp (sql=0x13dfd90, rel=0x7fffebaa6a30, column_e=0x1506d40, f=3) at rel_select.c:4442
9 0x00007fffec39736b in rel_simple_select (sql=0x13dfd90, rel=0x1506f20, where=0x0, selection=0x1506370, distinct=0) at rel_select.c:4468
10 0x00007fffec3995a3 in rel_query (sql=0x13dfd90, rel=0x0, sq=0x1506e70, toplevel=1, ek=...) at rel_select.c:4969
11 0x00007fffec39ad33 in rel_subquery (sql=0x13dfd90, rel=0x0, sq=0x1506e70, ek=...) at rel_select.c:5328
12 0x00007fffec39add0 in rel_selects (sql=0x13dfd90, s=0x1506e70) at rel_select.c:5339
13 0x00007fffec38569a in rel_semantic (sql=0x13dfd90, s=0x1506e70) at rel_semantic.c:297
14 0x00007fffec2f2a1a in sql_symbol2relation (c=0x13dfd90, sym=0x1506e70) at sql.mx:1616
15 0x00007fffec2e1402 in SQLparser (c=0x668328) at sql_scenario.c:1386
16 0x00007ffff6a7f154 in runPhase (c=0x668328, phase=1) at mal_scenario.c:522
17 0x00007ffff6a7f2af in runScenarioBody (c=0x668328) at mal_scenario.c:564
18 0x00007ffff6a7f559 in runScenario (c=0x668328) at mal_scenario.c:601
19 0x00007ffff6a805e7 in MSserveClient (dummy=0x668328) at mal_session.c:438
20 0x00007ffff2ea9d0c in start_thread () from /lib64/libpthread.so.0
21 0x00007ffff2befd7d in clone () from /lib64/libc.so.6
Reproducible: Always
Comment 16913
Date: 2012-02-16 15:02:13 +0100
From: @sjoerdmullender
Changeset 41944f467334 made by Sjoerd Mullender sjoerd@acm.org in the MonetDB repo, refers to this bug.
For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=41944f467334
Changeset description:
Comment 16941
Date: 2012-02-19 18:20:52 +0100
From: @drstmane
Appears to be fixed in the default branch (only) after changesets
http://dev.monetdb.org/hg/MonetDB/rev/8ee024048e42
http://dev.monetdb.org/hg/MonetDB/rev/e2d3ecc7237c
http://dev.monetdb.org/hg/MonetDB/rev/03df27701cf7
http://dev.monetdb.org/hg/MonetDB/rev/70dc90e1de2f
Remains open/failing in the Dec2011 branch.
Comment 16944
Date: 2012-02-19 18:32:56 +0100
From: @skinkie
http://dev.monetdb.org/hg/MonetDB/rev/e2d3ecc7237c
Probably needed to backport just that one :)
Comment 16945
Date: 2012-02-19 18:46:54 +0100
From: @drstmane
Fixed (also) in Dec2011 by transplanting changeset e2d3ecc7237c from default to Dec2011:
http://dev.monetdb.org/hg/MonetDB/rev/98fe009c5e33
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