(gdb) bt full #0 ExecInitGenerated (resultRelInfo=0x556c9d23fa48, estate=0x556c9d23f500, cmdtype=CMD_UPDATE) at nodeModifyTable.c:488 expr = 0x66dea1c0 attgenerated = 115 's' i = 3 rel = 0x7f6fca5024f8 tupdesc = 0x7f6fca502708 natts = 4 ri_GeneratedExprs = 0x556c9d2212a8 ri_NumGeneratedNeeded = 0 updatedCols = 0x556c9d11c258 oldContext = 0x556c9d23f400 #1 0x0000556c720bb1d9 in ExecComputeStoredGenerated (resultRelInfo=0x556c9d23fa48, estate=0x556c9d23f500, slot=0x556c9d220948, cmdtype=CMD_UPDATE) at nodeModifyTable.c:579 rel = 0x7f6fca5024f8 tupdesc = 0x7f6fca502708 natts = 4 econtext = 0x556c9d221198 ri_GeneratedExprs = 0x556c9d2209c0 oldContext = 0x7f6fca502708 values = 0x0 nulls = 0x0 #2 0x0000556c720c39ed in ExecUpdatePrepareSlot (resultRelInfo=0x556c9d23fa48, slot=0x556c9d220948, estate=0x556c9d23f500) at nodeModifyTable.c:2181 resultRelationDesc = 0x7f6fca5024f8 #3 0x0000556c720c327e in ExecUpdateAct (context=0x7fff66dea550, resultRelInfo=0x556c9d23fa48, tupleid=0x7fff66dea51a, oldtuple=0x0, slot=0x556c9d220948, canSetTag=true, updateCxt=0x7fff66dea404) at nodeModifyTable.c:2218 estate = 0x556c9d23f500 resultRelationDesc = 0x7f6fca5024f8 partition_constraint_failed = false result = 2636255368 #4 0x0000556c720c0758 in ExecUpdate (context=0x7fff66dea550, resultRelInfo=0x556c9d23fa48, tupleid=0x7fff66dea51a, oldtuple=0x0, oldSlot=0x556c9d220838, slot=0x556c9d220948, canSetTag=true) at nodeModifyTable.c:2560 lockedtid = {ip_blkid = {bi_hi = 0, bi_lo = 0}, ip_posid = 6} estate = 0x556c9d23f500 resultRelationDesc = 0x7f6fca5024f8 updateCxt = {crossPartUpdate = false, updateIndexes = TU_None, lockmode = LockTupleKeyShare} result = 2636253512 #5 0x0000556c720bdcd7 in ExecModifyTable (pstate=0x556c9d23f838) at nodeModifyTable.c:4727 node = 0x556c9d23f838 context = {mtstate = 0x556c9d23f838, epqstate = 0x556c9d23f920, estate = 0x556c9d23f500, planSlot = 0x556c9d241358, tmfd = {ctid = {ip_blkid = {bi_hi = 24, bi_lo = 0}, ip_posid = 0}, xmax = 2636379920, cmax = 21868, traversed = 226}, cpDeletedSlot = 0x0, cpUpdateReturningSlot = 0x7fff66dea5b0} estate = 0x556c9d23f500 operation = CMD_UPDATE resultRelInfo = 0x556c9d23fa48 subplanstate = 0x556c9d23fd28 slot = 0x556c9d220948 oldSlot = 0x556c9d220838 tuple_ctid = {ip_blkid = {bi_hi = 0, bi_lo = 0}, ip_posid = 6} oldtupdata = {t_len = 8, t_self = {ip_blkid = {bi_hi = 0, bi_lo = 0}, ip_posid = 7328}, t_tableOid = 0, t_data = 0x0} oldtuple = 0x0 tupleid = 0x7fff66dea51a tuplock = false #6 0x0000556c72078de2 in ExecProcNodeFirst (node=0x556c9d23f838) at execProcnode.c:470 No locals. #7 0x0000556c72070082 in ExecProcNode (node=0x556c9d23f838) at ../../../src/include/executor/executor.h:320 No locals. #8 0x0000556c7206ad93 in ExecutePlan (queryDesc=0x556c9d2388d0, operation=CMD_UPDATE, sendTuples=false, numberTuples=0, direction=ForwardScanDirection, dest=0x556c9d242ab0) at execMain.c:1726 estate = 0x556c9d23f500 planstate = 0x556c9d23f838 use_parallel_mode = false slot = 0x556c9d15e428 current_tuple_count = 0 #9 0x0000556c7206ac22 in standard_ExecutorRun (queryDesc=0x556c9d2388d0, direction=ForwardScanDirection, count=0) at execMain.c:368 estate = 0x556c9d23f500 operation = CMD_UPDATE dest = 0x556c9d242ab0 sendTuples = false oldcontext = 0x556c9d2387d0 #10 0x0000556c7206aa7a in ExecutorRun (queryDesc=0x556c9d2388d0, direction=ForwardScanDirection, count=0) at execMain.c:305 No locals. #11 0x0000556c723bee23 in ProcessQuery (plan=0x556c9d241a88, sourceText=0x556c9d11ad50 "UPDATE t SET id = 2;", params=0x0, queryEnv=0x0, dest=0x556c9d242ab0, qc=0x7fff66dea9a8) at pquery.c:161 queryDesc = 0x556c9d2388d0 #12 0x0000556c723bde66 in PortalRunMulti (portal=0x556c9d1bd8b0, isTopLevel=true, setHoldSnapshot=false, dest=0x556c9d242ab0, altdest=0x556c9d242ab0, qc=0x7fff66dea9a8) at pquery.c:1268 pstmt = 0x556c9d241a88 stmtlist_item__state = {l = 0x556c9d242a60, i = 0} active_snapshot_set = true stmtlist_item = 0x556c9d242a78 #13 0x0000556c723bd4f3 in PortalRun (portal=0x556c9d1bd8b0, count=9223372036854775807, isTopLevel=true, dest=0x556c9d242ab0, altdest=0x556c9d242ab0, qc=0x7fff66dea9a8) at pquery.c:783 _save_exception_stack = 0x7fff66deab50 _save_context_stack = 0x0 _local_sigjmp_buf = {{__jmpbuf = {93924264249040, 5807493733627851093, 93924254207184, 140734919259808, 0, 0, 5807493733992755541, 413896871259795797}, __mask_was_saved = 0, __saved_mask = {__val = {93924263862225, 5807493733990658389, 413896870674035029, 2416, 128, 19815728600, 0, 93924981216272, 93924980010064, 2635856208, 112, 93924980010064, 93924981222064, 140734919256288, 93924263927232, 140734919256288}}}} _do_rethrow = false result = false nprocessed = 93924981222064 saveTopTransactionResourceOwner = 0x556c9d15aa38 saveTopTransactionContext = 0x556c9d1cfcd0 saveActivePortal = 0x0 saveResourceOwner = 0x556c9d15aa38 savePortalContext = 0x0 saveMemoryContext = 0x556c9d1cfcd0 #14 0x0000556c723b8216 in exec_simple_query (query_string=0x556c9d11ad50 "UPDATE t SET id = 2;") at postgres.c:1278 cmdtaglen = 6 snapshot_set = true per_parsetree_context = 0x0 plantree_list = 0x556c9d242a60 parsetree = 0x556c9d11b8b8 commandTag = CMDTAG_UPDATE qc = {commandTag = CMDTAG_UNKNOWN, nprocessed = 0} querytree_list = 0x556c9d11c378 portal = 0x556c9d1bd8b0 receiver = 0x556c9d242ab0 format = 0 cmdtagname = 0x556c727b651a "UPDATE" parsetree_item__state = {l = 0x556c9d11b8e8, i = 0} dest = DestRemote oldcontext = 0x556c9d1cfcd0 parsetree_list = 0x556c9d11b8e8 parsetree_item = 0x556c9d11b900 save_log_statement_stats = false was_logged = false use_implicit_block = false msec_str = "\000\252\336f\377\177\000\000\065W`rlU\000\000 \252\336f\024\000\000\000P\255\021\235lU\000" #15 0x0000556c723b7449 in PostgresMain (dbname=0x556c9d159058 "postgres", username=0x556c9d159038 "postgres") at postgres.c:4810 query_string = 0x556c9d11ad50 "UPDATE t SET id = 2;" firstchar = 81 input_message = {data = 0x556c9d11ad50 "UPDATE t SET id = 2;", len = 21, maxlen = 1024, cursor = 21} local_sigjmp_buf = {{__jmpbuf = {93924264249040, 5807493733795623253, 93924254207184, 140734919259808, 0, 0, 5807493733604782421, 413896873920295253}, __mask_was_saved = 1, __saved_mask = {__val = {4194304, 93924979975808, 93924980289560, 140734919257056, 93924263926944, 140734919257136, 93924979975808, 93924979975808, 93924979975808, 140734919257088, 93924261123494, 0, 93924979975808, 140734919257136, 93924261236879, 71354625712}}}} send_ready_for_query = false idle_in_transaction_timeout_enabled = false idle_session_timeout_enabled = false #16 0x0000556c723af2e3 in BackendMain (startup_data=0x7fff66deacc8, startup_data_len=24) at backend_startup.c:124 bsdata = 0x7fff66deacc8 #17 0x0000556c7228a1d9 in postmaster_child_launch (child_type=B_BACKEND, child_slot=1, startup_data=0x7fff66deacc8, startup_data_len=24, client_sock=0x7fff66dead28) at launch_backend.c:263 pid = 0 #18 0x0000556c72291482 in BackendStartup (client_sock=0x7fff66dead28) at postmaster.c:3606 bn = 0x556c9d149e08 pid = 64 startup_data = {canAcceptConnections = CAC_OK, socket_created = 828192736536497, fork_started = 828192736536500} cac = CAC_OK #19 0x0000556c7228f399 in ServerLoop () at postmaster.c:1713 s = {sock = 9, raddr = {addr = {ss_family = 1, __ss_padding = "\000\000\000\000\000\000Y\320z\326o\177\000\000`\256\336f", '\000' , "\377\377\377\377\000\000\000\000\356\310\347Y\000\000\000\000\250wF\327o\177\000\000\250\256\336f\377\177\000\000z\360\006\327o\177\000\000\000\256\336f\377\177\000\000\020\256\336f\377\177\000\000\361!I\327o\177\000\000\f\000\000\000\000\000\000\000\030\343\370\323o\177\000\000\001\000\000\000\000\000\000", __ss_align = 0}, salen = 2}} i = 0 now = 1774877531 last_lockfile_recheck_time = 1774877525 last_touch_time = 1774876384 events = {{pos = 2, events = 2, fd = 7, user_data = 0x0}, {pos = 0, events = 0, fd = 1, user_data = 0x0}, {pos = -1, events = 0, fd = 1725869624, user_data = 0x7f6fd671f4a8}, {pos = -687470336, events = 32623, fd = 32816, user_data = 0xffffffffffffffb0}, {pos = 1725871776, events = 32767, fd = 0, user_data = 0x0}, {pos = -696561324, events = 32623, fd = 32768, user_data = 0x7f6fd70890f8 <__libc_fork@got.plt>}, {pos = 1725870896, events = 32767, fd = 1909378256, user_data = 0x7fff66deb6a0}, {pos = 0, events = 0, fd = 0, user_data = 0x7f6fd7497197 <_dl_fixup+215>}, {pos = 1, events = 0, fd = 0, user_data = 0x1000}, {pos = -697174872, events = 32623, fd = 1725870672, user_data = 0x7f6fd749ec3e <_dl_runtime_resolve_xsavec+126>}, {pos = 0, events = 0, fd = 0, user_data = 0x7fff66deb2a0}, {pos = 1923292504, events = 21868, fd = 2, user_data = 0x556c72a31d58 }, {pos = 1725923456, events = 32767, fd = 0, user_data = 0x0}, {pos = -696282847, events = 32623, fd = 1725869888, user_data = 0x2ffff00001fa0}, {pos = 1919420112, events = 21868, fd = 2, user_data = 0x71ceccd0}, {pos = -696568333, events = 32623, fd = -1659558320, user_data = 0x7f6fd6907be0 }, {pos = 7, events = 0, fd = -1660034546, user_data = 0x1000}, {pos = 99, events = 0, fd = -1660033016, user_data = 0x1030}, {pos = 64, events = 0, fd = 257, user_data = 0x0}, {pos = 0, events = 0, fd = 0, user_data = 0x0}, {pos = 0, events = 0, fd = 0, user_data = 0xffffffffffffffff}, {pos = -1, events = 4294967295, fd = 1935764781, user_data = 0x3737310a61746164}, {pos = 0, events = 0, fd = 0, user_data = 0x7f6fd6907be0 }, {pos = 0, events = 0, fd = 2, user_data = 0x0}, {pos = 0, events = 0, fd = 0, user_data = 0x0}, {pos = 0, events = 0, fd = 0, user_data = 0x0}, {pos = 0, events = 0, fd = 0, user_data = 0x2}, {pos = 2, events = 0, fd = 16449785, user_data = 0x0}, {pos = 16646394, events = 0, fd = 16711931, user_data = 0x0}, {pos = 0, events = 0, fd = 0, user_data = 0x0}, {pos = 16, events = 0, fd = -1659594464, user_data = 0x556c9d153670}, {pos = -1659595456, events = 1, fd = 4, user_data = 0x2d0}, {pos = 784, events = 0, fd = -1701897728, user_data = 0x1400}, {pos = 1919420112, events = 21868, fd = 1725870448, user_data = 0x556c72621ad7 }, {pos = 2, events = 0, fd = 6, user_data = 0x0}, {pos = 0, events = 0, fd = 0, user_data = 0x0}, {pos = 0, events = 0, fd = 0, user_data = 0x4}, {pos = -1659595280, events = 21868, fd = 1024, user_data = 0x0}, {pos = -1659595456, events = 21868, fd = -1659595456, user_data = 0x7fff66deb190}, {pos = 1919090397, events = 21868, fd = -1659595456, user_data = 0x556c9d149540}, {pos = 1725870560, events = 32767, fd = 1919032236, user_data = 0x400}, {pos = -1659599512, events = 21868, fd = 0, user_data = 0x556c72a4b2a0 }, {pos = 1024, events = 0, fd = -1659554192, user_data = 0x556c9d149540}, {pos = -1659595456, events = 21868, fd = 1725870592, user_data = 0x7f6fd67adc5a <_IO_flush_all_lockp+554>}, {pos = 1725871776, events = 1, fd = -1659595456, user_data = 0x7f6fd67abfb0 }, {pos = 0, events = 0, fd = 0, user_data = 0x7f6fd67adc5a <_IO_flush_all_lockp+554>}, {pos = -1659595456, events = 1, fd = -1701897728, user_data = 0x7f6fd67abfb0 }, {pos = 0, events = 0, fd = 0, user_data = 0x0}, {pos = 1725870896, events = 32767, fd = -1701897728, user_data = 0x556c726806d0 <__libc_csu_init>}, {pos = 0, events = 0, fd = 0, user_data = 0x7f6fd67fe00d <__libc_fork+285>}, {pos = 1725870944, events = 32767, fd = -1701897728, user_data = 0x7fff66deb6a0}, {pos = 1915264797, events = 21868, fd = 4194304, user_data = 0x556c72621b51 }, {pos = 0, events = 0, fd = -696660285, user_data = 0x13726806d0}, {pos = 13, events = 21868, fd = 4194304, user_data = 0x556c725e4c18 }, {pos = -1659604656, events = 21868, fd = 13, user_data = 0x1366deb330}, {pos = 13, events = 21868, fd = 1725870880, user_data = 0x556c725e4c18 }, {pos = 1725870896, events = 32767, fd = 13, user_data = 0x7fff66deb360}, {pos = 1918782979, events = 21868, fd = 1725870960, user_data = 0x556c9d14d2d8}, {pos = 1725870944, events = 32767, fd = 1915273988, user_data = 0x0}, {pos = 13, events = 372808, fd = 1725871008, user_data = 0x556c7228a0c0 }, {pos = 1725871024, events = 32767, fd = 1915285345, user_data = 0x1}, {pos = 2, events = 0, fd = 1725871072, user_data = 0x556c7228f1c0 }, {pos = -1659783720, events = 21868, fd = 1915285345, user_data = 0x556c9d11b000}, {pos = 1923181696, events = 21868, fd = -1659783720, user_data = 0x556c72a16c80 }} nevents = 1 #20 0x0000556c7228e0b5 in PostmasterMain (argc=3, argv=0x556c9d1125f0) at postmaster.c:1403 opt = -1 status = 0 userDoption = 0x556c9d119ba0 "/usr/local/pgvan-master/data" listen_addr_saved = true output_config_variable = 0x0 #21 0x0000556c72114136 in main (argc=3, argv=0x556c9d1125f0) at main.c:231 do_check_root = true dispatch_option = DISPATCH_POSTMASTER