Qingqing Zhou wrote:
test=# LOG: received SIGHUP, reloading configuration files
test=# select setting from pg_settings where name = 'constraint_exclusion';
setting
---------
off
(1 row)
test=# select setting from pg_settings where name = 'constraint_exclusion';
setting
---------
on
(1 row)
-- Seems that's due to delay of process SIGHUP ...
What's the delay? 1s? 5? 10?
cheers
andrew
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
