Hi,

On Fri, 19 Dec 2008, Tom Lane wrote:

SQL/MED catalog manipulation facilities

The buildfarm says this patch has got serious portability issues.

grebe, dugong, and ermine are all crashing here:

--- 109,115 ----
 (3 rows)

 ALTER FOREIGN DATA WRAPPER foo OPTIONS (a '1', b '2');
! server closed the connection unexpectedly
!       This probably means the server terminated abnormally
!       before or while processing the request.
! connection to server was lost

(Unfortunately I can't reproduce this on any of my own machines.)

Here is the gdb  backtrace from dugong:
-------------------
Core was generated by ostgres: math regression [local] ALTER FOREIGN DATA 
WRAPPER                  '.
Program terminated with signal 11, Segmentation fault.
#0  0x40000000000560b0 in heap_compute_data_size (
    tupleDesc=0x200000000287fbb8, values=0x60000000001ae060,
    isnull=0x60000000001ae0b8 "") at heaptuple.c:103
103                     if (ATT_IS_PACKABLE(att[i]) &&
(gdb) bt
#0  0x40000000000560b0 in heap_compute_data_size (
    tupleDesc=0x200000000287fbb8, values=0x60000000001ae060,
    isnull=0x60000000001ae0b8 "") at heaptuple.c:103
#1  0x400000000005cac0 in heap_form_tuple (tupleDescriptor=0x200000000287fbb8,
    values=0x60000000001ae060, isnull=0x60000000001ae0b8 "") at heaptuple.c:728
#2  0x400000000005d700 in heap_modify_tuple (tuple=0x600000000019e9f8,
    tupleDesc=0x200000000287fbb8, replValues=0x60000fffffb2e318,
    replIsnull=0x60000fffffb2e340 "", doReplace=0x60000fffffb2e345 "")
    at heaptuple.c:853
#3  0x4000000000399480 in AlterForeignDataWrapper (stmt=0x6000000000160e78)
    at foreigncmds.c:480
#4  0x40000000007b6bc0 in ProcessUtility (parsetree=0x6000000000160e78,
    queryString=0x60000000001603b8 "ALTER FOREIGN DATA WRAPPER foo OPTIONS (a '1', b 
'2');", params=0x0, isTopLevel=1 '\001', dest=0x6000000000160f10,
    completionTag=0x60000fffffb2e96e "") at utility.c:469
#5  0x40000000007b2e20 in PortalRunUtility (portal=0x60000000001a5fc8,
    utilityStmt=0x6000000000160e78, isTopLevel=1 '\001',
    dest=0x6000000000160f10, completionTag=0x60000fffffb2e96e "")
    at pquery.c:1183
#6  0x40000000007b3380 in PortalRunMulti (portal=0x60000000001a5fc8,
    isTopLevel=1 '\001', dest=0x6000000000160f10, altdest=0x6000000000160f10,
    completionTag=0x60000fffffb2e96e "") at pquery.c:1286
#7  0x40000000007b1150 in PortalRun (portal=0x60000000001a5fc8,
    count=9223372036854775807, isTopLevel=1 '\001', dest=0x6000000000160f10,
---Type <return> to continue, or q <return> to quit---
    altdest=0x6000000000160f10, completionTag=0x60000fffffb2e96e "")
    at pquery.c:815
#8  0x400000000079eed0 in exec_simple_query (
    query_string=0x60000000001603b8 "ALTER FOREIGN DATA WRAPPER foo OPTIONS (a '1', 
b '2');") at postgres.c:991
#9  0x40000000007ab570 in PostgresMain (argc=6, argv=0x60000000000c2ab0,
    username=0x60000000000c2800 "math") at postgres.c:3600
#10 0x40000000006dadb0 in BackendRun (port=0x60000000000e3d40)
    at postmaster.c:3258
#11 0x40000000006d8de0 in BackendStartup (port=0x60000000000e3d40)
    at postmaster.c:2872
#12 0x40000000006d1700 in ServerLoop () at postmaster.c:1283
#13 0x40000000006d0480 in PostmasterMain (argc=6, argv=0x60000000000c0d20)
    at postmaster.c:1031
#14 0x4000000000533e50 in main (argc=6, argv=0x60000000000c0d20) at main.c:188
(gdb)
------------------------

And the full backtrace if needed:

---------------
(gdb) bt full
#0  0x40000000000560b0 in heap_compute_data_size (
    tupleDesc=0x200000000287fbb8, values=0x60000000001ae060,
    isnull=0x60000000001ae0b8 "") at heaptuple.c:103
        val = 1761288
        data_length = 78
        i = 4
        numberOfAttributes = 5
        att = (Form_pg_attribute *) 0x200000000287fbe0
#1  0x400000000005cac0 in heap_form_tuple (tupleDescriptor=0x200000000287fbb8,
    values=0x60000000001ae060, isnull=0x60000000001ae0b8 "") at heaptuple.c:728
        tuple = (HeapTuple) 0x60000000001adfd0
        td = (HeapTupleHeader) 0x60000000001ae0a0
        len = 32
        data_len = 8
        hoff = 32
        hasnull = 1 '\001'
        att = (Form_pg_attribute *) 0x200000000287fbe0
        numberOfAttributes = 5
        i = 5
        __func__ = "heap_form_tuple"
#2  0x400000000005d700 in heap_modify_tuple (tuple=0x600000000019e9f8,
    tupleDesc=0x200000000287fbb8, replValues=0x60000fffffb2e318,
    replIsnull=0x60000fffffb2e340 "", doReplace=0x60000fffffb2e345 "")
    at heaptuple.c:853
---Type <return> to continue, or q <return> to quit---
        numberOfAttributes = 5
        attoff = 5
        values = (Datum *) 0x60000000001ae060
        isnull = (bool *) 0x60000000001ae0b8 ""
        newTuple = (HeapTuple) 0x91800195972
#3  0x4000000000399480 in AlterForeignDataWrapper (stmt=0x6000000000160e78)
    at foreigncmds.c:480
        rel = (Relation) 0x200000000287f908
        tp = (HeapTuple) 0x600000000019e9f8
        repl_val = {0, 0, 0, 0, 1761288}
        repl_null = "\000\000\000\000"
        repl_repl = "\000\000\000\000\001"
        fdwId = 28313
        isnull = 1 '\001'
        datum = 6917529027642843144
        fdwlib = (ForeignDataWrapperLibrary *) 0x600000000016d7f0
        __func__ = "AlterForeignDataWrapper"
#4  0x40000000007b6bc0 in ProcessUtility (parsetree=0x6000000000160e78,
    queryString=0x60000000001603b8 "ALTER FOREIGN DATA WRAPPER foo OPTIONS (a '1', b 
'2');", params=0x0, isTopLevel=1 '\001', dest=0x6000000000160f10,
    completionTag=0x60000fffffb2e96e "") at utility.c:469
        __func__ = "ProcessUtility"
#5  0x40000000007b2e20 in PortalRunUtility (portal=0x60000000001a5fc8,
    utilityStmt=0x6000000000160e78, isTopLevel=1 '\001',
---Type <return> to continue, or q <return> to quit---
    dest=0x6000000000160f10, completionTag=0x60000fffffb2e96e "")
    at pquery.c:1183
        active_snapshot_set = 1 '\001'
        __func__ = "PortalRunUtility"
#6  0x40000000007b3380 in PortalRunMulti (portal=0x60000000001a5fc8,
    isTopLevel=1 '\001', dest=0x6000000000160f10, altdest=0x6000000000160f10,
    completionTag=0x60000fffffb2e96e "") at pquery.c:1286
        stmt = (Node *) 0x6000000000160e78
        stmtlist_item = (ListCell *) 0x6000000000161120
#7  0x40000000007b1150 in PortalRun (portal=0x60000000001a5fc8,
    count=9223372036854775807, isTopLevel=1 '\001', dest=0x6000000000160f10,
    altdest=0x6000000000160f10, completionTag=0x60000fffffb2e96e "")
    at pquery.c:815
        save_exception_stack = (sigjmp_buf *) 0x60000fffffb2eac0
        save_context_stack = (ErrorContextCallback *) 0x0
        local_sigjmp_buf = {{__jmpbuf = {6917546619822073200,
      2305843009217053184, 0, 2674341019140927, 0, 0, 0, 0,
      4611686018435452112, 0, 0, 0, 0, 0, -4611686018427386609, 0, 5832769,
      6917537823729074712, 0, 6917546619822073296, 0 <repeats 44 times>, 63,
      4611686018440740537, 6917529027641081860, 209, 0, 4611686018440740536},
    __mask_was_saved = 0, __saved_mask = {__val = {6917529027642472976,
        6917529027641081861, 4611686018440948192, 6917529027641081856,
        6917529027642472976, 6917529027641081860, 6917529027642527480, 0,
        6917529027642022104, 6917529027642022104, 80, 6917529027642527504,
---Type <return> to continue, or q <return> to quit---
        4611686018440740536, 6917529027642527584, 80, 6917529027641081856}}}}
        result = 0 '\0'
        saveTopTransactionResourceOwner = (ResourceOwner) 0x60000000001855d8
        saveTopTransactionContext = (MemoryContext) 0x60000000000e59f0
        saveActivePortal = (Portal) 0x0
        saveResourceOwner = (ResourceOwner) 0x60000000001855d8
        savePortalContext = (MemoryContext) 0x0
        saveMemoryContext = (MemoryContext) 0x60000000000e59f0
        __func__ = "PortalRun"
#8  0x400000000079eed0 in exec_simple_query (
    query_string=0x60000000001603b8 "ALTER FOREIGN DATA WRAPPER foo OPTIONS (a '1', 
b '2');") at postgres.c:991
        parsetree = (Node *) 0x6000000000160e78
        portal = (Portal) 0x60000000001a5fc8
        snapshot_set = 0 '\0'
        commandTag = 0x4000000000cbe750 "ALTER FOREIGN DATA WRAPPER"
        completionTag = 
"\000\000Q\000\000\000\000\000\000`\234\002\000\000\000\000\003\026\000\000\000\000000\000\000\000\000\000\000?\003\026\000\000\000\000\000\000\000\017\000\000\0006\000\000\000s\001\001\000?\003\026\000\000"
        querytree_list = (List *) 0x60000000001610e8
        plantree_list = (List *) 0x6000000000161148
        receiver = (DestReceiver *) 0x6000000000160f10
        format = 0
        dest = DestRemote
---Type <return> to continue, or q <return> to quit---
        oldcontext = (MemoryContext) 0x60000000000e59f0
        parsetree_list = (List *) 0x6000000000160ed8
        parsetree_item = (ListCell *) 0x6000000000160eb0
        save_log_statement_stats = 0 '\0'
        was_logged = 0 '\0'
        isTopLevel = 1 '\001'
        msec_str = 
"\000\000\000000\000\000\000\000\000\000\003\026\000\000\000\000000\000\000\000\017\000000\000\000"
        __func__ = "exec_simple_query"
#9  0x40000000007ab570 in PostgresMain (argc=6, argv=0x60000000000c2ab0,
    username=0x60000000000c2800 "math") at postgres.c:3600
        query_string = 0x60000000001603b8 "ALTER FOREIGN DATA WRAPPER foo OPTIONS (a 
'1', b '2');"
        flag = -1
        dbname = 0x60000000000e3450 "regression"
        userDoption = 0x0
        secure = 0 '\0'
        errs = 0
        debug_flag = -1
        guc_names = (List *) 0x0
        guc_values = (List *) 0x0
        ctx = PGC_SUSET
        gucsource = PGC_S_CLIENT
        am_superuser = 1 '\001'
---Type <return> to continue, or q <return> to quit---
        firstchar = 81
        stack_base = 0 '\0'
        input_message = {
  data = 0x60000000001603b8 "ALTER FOREIGN DATA WRAPPER foo OPTIONS (a '1', b 
'2');", len = 55, maxlen = 1024, cursor = 55}
        local_sigjmp_buf = {{__jmpbuf = {6917546619822074288,
      2305843009217053184, 0, 2674341019124543, 0, 0, 0, 0,
      4611686018435427728, 0, 0, 0, 0, 0, -4611686018427386867, 0, 5832769,
      6917537823729074568, 0, 6917546619822074560, 0 <repeats 40 times>,
      6917546619822075412, 6917546619822075420, 6917546619822075443,
      6917546619822075412, 6917546619822075443, 0, 0, 0, 0, 0},
    __mask_was_saved = 1, __saved_mask = {__val = {18446744066192964099,
        6917529027641081856, 0, 6917529027641899184, 352, 512,
        6917529027641898808, 58, 6752, 8144, 6917529027641899344, 5,
        6917529027641873152, 81604378636, 0, 6917529027641081861}}}}
        send_ready_for_query = 0 '\0'
        __func__ = "PostgresMain"
#10 0x40000000006dadb0 in BackendRun (port=0x60000000000e3d40)
    at postmaster.c:3258
        av = (char **) 0x60000000000c2ab0
        maxac = 27
        ac = 6
        secs = 283072531
        usecs = 545137
---Type <return> to continue, or q <return> to quit---
        protobuf = "-v196608\000\000\000@ 
(\f\000\000\000\000000(\f\000\000\000\000?\000\000"
        i = 6
        __func__ = "BackendRun"
#11 0x40000000006d8de0 in BackendStartup (port=0x60000000000e3d40)
    at postmaster.c:2872
        bn = (Backend *) 0x60000000000e3410
        pid = 0
        __func__ = "BackendStartup"
#12 0x40000000006d1700 in ServerLoop () at postmaster.c:1283
        port = (Port *) 0x60000000000e3d40
        i = 0
        rmask = {fds_bits = {16, 0 <repeats 15 times>}}
        selres = 1
        readmask = {fds_bits = {16, 0 <repeats 15 times>}}
        nSockets = 5
        now = 1229757331
        last_touch_time = 1229757314
        __func__ = "ServerLoop"
#13 0x40000000006d0480 in PostmasterMain (argc=6, argv=0x60000000000c0d20)
    at postmaster.c:1031
        opt = -1
        status = 0
        userDoption = 0x60000000000c0e00 "/home/math/pgsql_cvs/pgsql/src/test/re---Type 
<return> to continue, or q <return> to quit---
gress/./tmp_check/data"
        i = 64
        __func__ = "PostmasterMain"
#14 0x4000000000533e50 in main (argc=6, argv=0x60000000000c0d20) at main.c:188
No locals.

-----------------


Regards,
        Sergey

*******************************************************************
Sergey E. Koposov
Max Planck Institute for Astronomy/Sternberg Astronomical Institute
Tel: +49-6221-528-349
Web: http://lnfm1.sai.msu.ru/~math
E-mail: [email protected]

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