Hi All,
We are having a partition table and we are querying some rows in the
partition.
select * from events where
events.evt_time >= '2010-11-29 00:00:00'
AND events.evt_time <= '2010-11-30 23:59:59'
While this query is in running state, I am issuing a drop statement on a
partition of this table.
drop table events_p_20101207130000
Please note that the query is running on a different partition and drop is
happening on a different partition.
Now, in a different session, I am running a different query,
select * from events where
events.evt_time >= '2010-11-28 00:00:00'
AND events.evt_time <= '2010-11-29 23:59:59'
Now the issue is both the drop and my 2nd query is in waiting state and both
these queries started running after my first queries completion.
We have set constraint_exclusion to on and we used, select * from
pg_stat_activity where waiting = 'true' query to check the status of the
waiting queries.
Now, can you please explain me on why it is behaving like this. Is this a
postgres bug or any configuration needs to be done to avoid this waiting.
Any help is really appreciated.
Thanks,
Bakki
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