Javier Hernandez wrote:
> select * from numeric_col_table where num_col in (select int_col from
> int_col_table);
#0 0x0000000000752368 in pg_detoast_datum (datum=0x1)
at /pgsql/source/00head/src/backend/utils/fmgr/fmgr.c:2101
#1 0x00000000006bf8bc in hash_numeric (fcinfo=0x7fffc5140550)
at /pgsql/source/00head/src/backend/utils/adt/numeric.c:1163
#2 0x000000000075081f in FunctionCall1 (flinfo=0xc65688, arg1=1)
at /pgsql/source/00head/src/backend/utils/fmgr/fmgr.c:1250
#3 0x00000000005898c1 in TupleHashTableHash (key=0x7fffc51409f0, keysize=8)
at /pgsql/source/00head/src/backend/executor/execGrouping.c:513
#4 0x00000000007550ee in hash_search (hashp=0xc6aec8, keyPtr=0x7fffc51409f0,
action=HASH_ENTER,
foundPtr=0x7fffc51409ef "") at
/pgsql/source/00head/src/backend/utils/hash/dynahash.c:791
#5 0x0000000000589635 in LookupTupleHashEntry (hashtable=0xc68eb8,
slot=0xc63078,
isnew=0x7fffc5140a6f "") at
/pgsql/source/00head/src/backend/executor/execGrouping.c:368
#6 0x000000000059e2e3 in lookup_hash_entry (aggstate=0xc64490,
inputslot=0xc63138)
at /pgsql/source/00head/src/backend/executor/nodeAgg.c:777
#7 0x000000000059e701 in agg_fill_hash_table (aggstate=0xc64490)
at /pgsql/source/00head/src/backend/executor/nodeAgg.c:1028
#8 0x000000000059e35e in ExecAgg (node=0xc64490)
at /pgsql/source/00head/src/backend/executor/nodeAgg.c:812
So what's happening here is that it's writing the hash table using the
wrong datatype ...
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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