I upgrade postgresql from 8.4.2 to 9.0.4.
But I have one problem.
The Error message 'cannot execute nextval() in a read-only transaction'
Please help me.
[Version 8.4.2]
DEVDB=# select version();
version
-------------------------------------------------------------------------------------------------------------------
PostgreSQL 8.4.2 on x86_64-unknown-linux-gnu, compiled by GCC gcc
(GCC) 3.4.6 20060404 (Red Hat 3.4.6-10), 64-bit
(1 row)
DEVDB=# select version();
version
-------------------------------------------------------------------------------------------------------------------
PostgreSQL 8.4.2 on x86_64-unknown-linux-gnu, compiled by GCC gcc
(GCC) 3.4.6 20060404 (Red Hat 3.4.6-10), 64-bit
(1 row)
DEVDB=# SET SESSION CHARACTERISTICS AS TRANSACTION READ ONLY;
SET
DEVDB=# select nextval('ws_blog_sns_inf_sns_inf_master_seq_seq');
nextval
---------
5
(1 row)
DEVDB=# SHOW transaction_read_only;
transaction_read_only
-----------------------
on
(1 row)
[Version 9.0.4]
web_dev=# select version();
version
-------------------------------------------------------------------------------------------------------------------
PostgreSQL 9.0.4 on x86_64-unknown-linux-gnu, compiled by GCC gcc
(GCC) 4.1.2 20080704 (Red Hat 4.1.2-46), 64-bit
(1 row)
web_dev=# SET SESSION CHARACTERISTICS AS TRANSACTION READ ONLY;
SET
web_dev=# SHOW transaction_read_only;
transaction_read_only
-----------------------
on
(1 row)
web_dev=# select nextval('ws_blog_sns_inf_sns_inf_master_seq_seq');
ERROR: cannot execute nextval() in a read-only transaction
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