* frame #0: 0x000000010a21df66 postgres`ExecInitForeignScan(node=0x00007f8e6b823ba8, estate=0x00007f8e6d809b20, eflags=0) at nodeForeignscan.c:230:30 frame #1: 0x000000010a1fc3c3 postgres`ExecInitNode(node=0x00007f8e6b823ba8, estate=0x00007f8e6d809b20, eflags=0) at execProcnode.c:284:27 frame #2: 0x000000010a218265 postgres`ExecInitAppend(node=0x00007f8e6b80e150, estate=0x00007f8e6d809b20, eflags=0) at nodeAppend.c:232:27 frame #3: 0x000000010a1fc193 postgres`ExecInitNode(node=0x00007f8e6b80e150, estate=0x00007f8e6d809b20, eflags=0) at execProcnode.c:181:27 frame #4: 0x000000010a1f4be1 postgres`EvalPlanQualStart(epqstate=0x00007f8e6b817490, planTree=0x00007f8e6b80e150) at execMain.c:2817:31 frame #5: 0x000000010a1f399f postgres`EvalPlanQualBegin(epqstate=0x00007f8e6b817490) at execMain.c:2630:3 frame #6: 0x000000010a1f38de postgres`EvalPlanQual(epqstate=0x00007f8e6b817490, relation=0x00007f8e6b59e160, rti=2, inputslot=0x00007f8e6b830688) at execMain.c:2370:2 frame #7: 0x000000010a24085c postgres`ExecUpdate(mtstate=0x00007f8e6b8173a8, resultRelInfo=0x00007f8e6b8175c0, tupleid=0x00007ffee5d76858, oldtuple=0x0000000000000000, slot=0x00007f8e6b82f9f0, planSlot=0x00007f8e6b8194f0, epqstate=0x00007f8e6b817490, estate=0x00007f8e6b817120, canSetTag=true) at nodeModifyTable.c:1861:18 frame #8: 0x000000010a23e964 postgres`ExecModifyTable(pstate=0x00007f8e6b8173a8) at nodeModifyTable.c:2592:12 frame #9: 0x000000010a1fc8c2 postgres`ExecProcNodeFirst(node=0x00007f8e6b8173a8) at execProcnode.c:463:9 frame #10: 0x000000010a1f4762 postgres`ExecProcNode(node=0x00007f8e6b8173a8) at executor.h:257:9 frame #11: 0x000000010a1efe01 postgres`ExecutePlan(estate=0x00007f8e6b817120, planstate=0x00007f8e6b8173a8, use_parallel_mode=false, operation=CMD_UPDATE, sendTuples=false, numberTuples=0, direction=ForwardScanDirection, dest=0x00007f8e6b8240d0, execute_once=true) at execMain.c:1551:10 frame #12: 0x000000010a1efcd0 postgres`standard_ExecutorRun(queryDesc=0x00007f8e6b815b20, direction=ForwardScanDirection, count=0, execute_once=true) at execMain.c:361:3 frame #13: 0x000000010a1efa61 postgres`ExecutorRun(queryDesc=0x00007f8e6b815b20, direction=ForwardScanDirection, count=0, execute_once=true) at execMain.c:305:3 frame #14: 0x000000010a4aff59 postgres`ProcessQuery(plan=0x00007f8e6b824038, sourceText="UPDATE test SET x = x - 1;", params=0x0000000000000000, queryEnv=0x0000000000000000, dest=0x00007f8e6b8240d0, qc=0x00007ffee5d76d30) at pquery.c:160:2 frame #15: 0x000000010a4aede3 postgres`PortalRunMulti(portal=0x00007f8e6e036120, isTopLevel=true, setHoldSnapshot=false, dest=0x00007f8e6b8240d0, altdest=0x00007f8e6b8240d0, qc=0x00007ffee5d76d30) at pquery.c:1266:5 frame #16: 0x000000010a4ae3a8 postgres`PortalRun(portal=0x00007f8e6e036120, count=9223372036854775807, isTopLevel=true, run_once=true, dest=0x00007f8e6b8240d0, altdest=0x00007f8e6b8240d0, qc=0x00007ffee5d76d30) at pquery.c:786:5 frame #17: 0x000000010a4a9393 postgres`exec_simple_query(query_string="UPDATE test SET x = x - 1;") at postgres.c:1214:10