HI,everybody:
recently i found some errors in pg_log when i do some pressure testing,looks
like
"2013-01-05 21:48:29.870
CST,"postgres","wedding",15850,"172.25.10.28:37100",50e82f2d.3dea,1,"SELECT",2013-01-05
21:48:29 CST,19/80509,0,ERROR,55000,"currval of sequence
""t_wedding_wedding_id_seq"" is not yet defined in this session"
,,,,,," SELECT currval('t_wedding_wedding_id_seq')as weddingId
",,,""
2013-01-05 21:48:29.984
CST,"postgres","wedding",15856,"172.25.10.28:37123",50e82f2d.3df0,1,"SELECT",2013-01-05
21:48:29 CST,25/91770,0,ERROR,55000,"currval of sequence
""t_wedding_wedding_id_seq"" is not yet defined in this session"
,,,,,," SELECT currval('t_wedding_wedding_id_seq')as weddingId "
the code is
begin;
insert into
t_wedding(wedding_id,share_id,share_type,user_id,wedding_time)
select nextval('t_wedding_wedding_id_seq')
,#ShareId#,#shareType#,#userId#,#weddingTime#
<selectKey resultClass="int" keyProperty="weddingId">
SELECT currval('t_wedding_wedding_id_seq')as weddingId
</selectKey>
;
COMMIT;
the column wedding_id type is serial + primary key, and i set the sequence
cache from 1 to 50,errors still exists,but reduced。
I use ibatis，but it seems not support returning wedding_id !!!
MY environment:
Postgres 9.1.2
ibatis
pgbouncer ( Transaction mode )
Postgres-9.1-901.jdbc4.jar as my drive
As i used *begin * to wrapped it as a transaction, then why zhe errors
still occurs ?
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