Have you got any copies of psql or tools like pgadmin open. I've been
caught out by this. try
select * from pg_stat_activity
it should tell you what connections are open on the table (look at the
datname column)
Carol Walter wrote:
> This has happened or is happening to me again, only this time, it's a
> database that I just created. I restored another database into a test
> database. One of the tables is empty. I want to drop the test
> database and create a new one. When I try to drop the test database,
> I get this error -
> template1=# drop database km_tezt;
> ERROR: database "km_tezt" is being accessed by other users
>
> template1=# select * from pg_prepared_xacts;
> transaction | gid | prepared | owner | database
> -------------+-----+----------+-------+----------
> (0 rows)
>
> This database is one that I created just a few hours ago just to test
> some things myself. There can be no one in it except me. I
> completely closed out of the database, closed out of the system, and
> closed my terminal session. Still I get the error. This time the
> database has not been accessed through PHP at all.
>
> Carol
>
> On Mar 2, 2009, at 8:31 PM, Tom Lane wrote:
>
>> Carol Walter <walterc@indiana.edu> writes:
>>> I'm not sure I understand. If there is a lag time between when
>>> someone exits the database and when the database "knows" that no one
>>> is still in it, then that shouldn't be the problem here. I tried a
>>> number of time over the course of 24 hours to rename the database and
>>> it always reported that the database was in use. No one was logged in
>>> but me, but the database still reported that the database was in use.
>>
>> Hmph. Are you sure nothing was connected? One thing that frequently
>> trips people up here is uncommitted prepared transactions --- look in
>> pg_prepared_xacts.
>>
>> regards, tom lane
>>
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>
>