SIGSEGV

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От Patrick Welche
Тема SIGSEGV
Дата
Msg-id 20021209233917.I4714@quartz.newn.cam.ac.uk
обсуждение исходный текст
Ответы Re: SIGSEGV  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
Using cvs source of Dec 4 15:13:

test=# \d amount                          Table "public.amount"Column |  Type   |                       Modifiers
                
 
--------+---------+--------------------------------------------------------id     | integer | not null default
nextval('public.amount_id_seq'::text)value | integer | 
 

test=# select "value" from amount;value 
-------
(0 rows)

test=# select value from amount;
server closed the connection unexpectedly       This probably means the server terminated abnormally       before or
whileprocessing the request.
 
The connection to the server was lost. Attempting reset: Failed.
!#


Not very graceful... (and this is different to the geqo prob I saw with my
libpq++ program, cured with geqo=false (Thanks Tom!))

Program received signal SIGSEGV, Segmentation fault.
transformTargetEntry (pstate=0x82e235c, node=0x82e21fc, expr=0x0, colname=0x0,    resjunk=0 '\000') at
parse_target.c:61
61              if (IsA(expr, RangeVar))
(gdb) bt
#0  transformTargetEntry (pstate=0x82e235c, node=0x82e21fc, expr=0x0,    colname=0x0, resjunk=0 '\000') at
parse_target.c:61
#1  0x80c2af0 in transformTargetList (pstate=0x82e235c, targetlist=0x82e2234)   at parse_target.c:192
#2  0x80a9c00 in transformSelectStmt (pstate=0x82e235c, stmt=0x82e22b4)   at analyze.c:1654
#3  0x80a7feb in transformStmt (pstate=0x82e235c, parseTree=0x82e22b4,    extras_before=0xbfbfa9b0,
extras_after=0xbfbfa9b4)at analyze.c:308
 
#4  0x80a7bd0 in parse_analyze (parseTree=0x82e22b4, parentParseState=0x0)   at analyze.c:147
#5  0x813e1c0 in pg_analyze_and_rewrite (parsetree=0x82e22b4) at postgres.c:408
#6  0x813e4a3 in pg_exec_query_string (query_string=0x82e201c, dest=Remote,    parse_context=0x828c8ac) at
postgres.c:696
#7  0x813f935 in PostgresMain (argc=5, argv=0xbfbfaca8,    username=0x826a925 "prlw1") at postgres.c:2016
#8  0x8124332 in DoBackend (port=0x826a800) at postmaster.c:2293
#9  0x8123c25 in BackendStartup (port=0x826a800) at postmaster.c:1915
#10 0x8122e0b in ServerLoop () at postmaster.c:1002
#11 0x8122972 in PostmasterMain (argc=3, argv=0x8266030) at postmaster.c:781
#12 0x80fb135 in main (argc=3, argv=0xbfbfb4b4) at main.c:209
#13 0x8069e84 in ___start ()

Cheers,

Patrick


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