Re: [GENERAL] dropping a table, leaving actual file in base/db/...

jim(at)reptiles(dot)org (Jim Mercer) wrote:

> begin work;
> select * into tmptable from main table;
> commit work;
> drop table tmptable;
>
> sometimes (always?) tmptable gets dropped from the database, but for
> some reason the file /usr/pgsql/data/base/dbname/tmptable does not get
> deleted.

I think I posted something similar some time ago, didn't get a reply:

Ulf Mehlig <umehlig(at)uni-bremen(dot)de>:

> Consider this (psql of 6.4, on i386-Linux 2.02b7):
>
> db=> begin work;
> BEGIN
> db=> create table xxx (xx smallint);
> CREATE
> db=> insert into xxx values (1);
> INSERT 136937 1
> db=> rollback;
> ABORT
>
> The following is interesting:
>
> db=> select * from xxx;
> ERROR: xxx: Table does not exist.
> db=> create table xxx (xx smallint);
> ERROR: xxx relation already exists
>
> Hmmm. And then:
>
> db=> drop table xxx;
> ERROR: Relation xxx Does Not Exist!
> db=> \dt
> NOTICE: (transaction aborted): queries ignored until END
> Couldn't find any tables!
>
> After quitting and re-entering psql it is possible again to create a
> table "xxx". Seems to be a little bug, or did I overlook something?

The very last line (giving \dt command) I can't reproduce at the
moment.

Ciao, Ulf

--
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Ulf Mehlig <umehlig(at)zmt(dot)uni-bremen(dot)de>
Center for Tropical Marine Ecology/ZMT, Bremen, Germany
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