Thanks, the vacuum is fixed

But I found another crash (on v57 patches), reproduced with:

psql -t -c "create global temp table t (a integer); insert into t values
(1); select count(*) from t group by t;"
server closed the connection unexpectedly
        This probably means the server terminated abnormally
        before or while processing the request.
connection to server was lost

with trace:

[New LWP 2580215]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `postgres: andrew postgres [local] SELECT
                         '.
Program terminated with signal SIGABRT, Aborted.
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  0x00007f258d482859 in __GI_abort () at abort.c:79
#2  0x000055ad0be8878f in ExceptionalCondition
(conditionName=conditionName@entry=0x55ad0bf19743
"gtt_rnode->att_stat_tups[i]", errorType=errorType@entry=0x55ad0bee500b
"FailedAssertion", fileName=fileName@entry=0x55ad0bf1966b "storage_gtt.c",
lineNumber=lineNumber@entry=902) at assert.c:69
#3  0x000055ad0ba9379f in get_gtt_att_statistic (reloid=<optimized out>,
attnum=0, inh=<optimized out>) at storage_gtt.c:902
#4  0x000055ad0be35625 in examine_simple_variable
(root=root@entry=0x55ad0c498748,
var=var@entry=0x55ad0c498c68, vardata=vardata@entry=0x7fff06c9ebf0) at
selfuncs.c:5391
#5  0x000055ad0be36a89 in examine_variable (root=root@entry=0x55ad0c498748,
node=node@entry=0x55ad0c498c68, varRelid=varRelid@entry=0,
vardata=vardata@entry=0x7fff06c9ebf0) at selfuncs.c:4990
#6  0x000055ad0be3ad64 in estimate_num_groups (root=root@entry=0x55ad0c498748,
groupExprs=<optimized out>, input_rows=input_rows@entry=255,
pgset=pgset@entry=0x0, estinfo=estinfo@entry=0x0) at selfuncs.c:3455
#7  0x000055ad0bc50835 in get_number_of_groups (root=root@entry=0x55ad0c498748,
path_rows=255, gd=gd@entry=0x0, target_list=0x55ad0c498bb8) at
planner.c:3241
#8  0x000055ad0bc5576f in create_ordinary_grouping_paths
(root=root@entry=0x55ad0c498748,
input_rel=input_rel@entry=0x55ad0c3ce148,
grouped_rel=grouped_rel@entry=0x55ad0c4983f0,
agg_costs=agg_costs@entry=0x7fff06c9edb0, gd=gd@entry=0x0,
extra=extra@entry=0x7fff06c9ede0,
partially_grouped_rel_p=0x7fff06c9eda8)
    at planner.c:3628
#9  0x000055ad0bc55a72 in create_grouping_paths
(root=root@entry=0x55ad0c498748,
input_rel=input_rel@entry=0x55ad0c3ce148, target=target@entry=0x55ad0c4c95d8,
target_parallel_safe=target_parallel_safe@entry=true, gd=gd@entry=0x0) at
planner.c:3377
#10 0x000055ad0bc5686d in grouping_planner (root=root@entry=0x55ad0c498748,
tuple_fraction=<optimized out>, tuple_fraction@entry=0) at planner.c:1592
#11 0x000055ad0bc57910 in subquery_planner (glob=glob@entry=0x55ad0c497880,
parse=parse@entry=0x55ad0c3cdbb8, parent_root=parent_root@entry=0x0,
hasRecursion=hasRecursion@entry=false, tuple_fraction=tuple_fraction@entry=0)
at planner.c:1025
#12 0x000055ad0bc57f36 in standard_planner (parse=0x55ad0c3cdbb8,
query_string=<optimized out>, cursorOptions=2048, boundParams=0x0) at
planner.c:406
#13 0x000055ad0bc584d4 in planner (parse=parse@entry=0x55ad0c3cdbb8,
query_string=query_string@entry=0x55ad0c3cc470 "create global temp table t
(a integer); insert into t values (1); select count(*) from t group by t;",
cursorOptions=cursorOptions@entry=2048, boundParams=boundParams@entry=0x0)
at planner.c:277
#14 0x000055ad0bd4855f in pg_plan_query
(querytree=querytree@entry=0x55ad0c3cdbb8,
query_string=query_string@entry=0x55ad0c3cc470 "create global temp table t
(a integer); insert into t values (1); select count(*) from t group by t;",
cursorOptions=cursorOptions@entry=2048, boundParams=boundParams@entry=0x0)
    at postgres.c:847
#15 0x000055ad0bd4863b in pg_plan_queries (querytrees=0x55ad0c4986f0,
query_string=query_string@entry=0x55ad0c3cc470 "create global temp table t
(a integer); insert into t values (1); select count(*) from t group by t;",
cursorOptions=cursorOptions@entry=2048, boundParams=boundParams@entry=0x0)
at postgres.c:939
#16 0x000055ad0bd48b20 in exec_simple_query
(query_string=query_string@entry=0x55ad0c3cc470
"create global temp table t (a integer); insert into t values (1); select
count(*) from t group by t;") at postgres.c:1133
#17 0x000055ad0bd4aaf3 in PostgresMain (dbname=<optimized out>,
username=<optimized out>) at postgres.c:4497
#18 0x000055ad0bca3f91 in BackendRun (port=port@entry=0x55ad0c3f1020) at
postmaster.c:4560
#19 0x000055ad0bca7115 in BackendStartup (port=port@entry=0x55ad0c3f1020)
at postmaster.c:4288
#20 0x000055ad0bca735c in ServerLoop () at postmaster.c:1801
#21 0x000055ad0bca893e in PostmasterMain (argc=3, argv=<optimized out>) at
postmaster.c:1473
#22 0x000055ad0bbe8e31 in main (argc=3, argv=0x55ad0c3c6660) at main.c:198

On Thu, Oct 21, 2021 at 4:25 PM wenjing <wjzeng2...@gmail.com> wrote:

>
>
> Andrew Bille <andrewbi...@gmail.com> 于2021年10月20日周三 上午2:59写道:
>
>> Another thanks for the fix. It works for me.
>>
>> But I found another crash!
>>
> This is a check code that was added this year, but it did find a problem
> and I fixed it.
> Please review the new code(v57) again.
>
>
>

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