Re: pg_dump/pg_restore problems with 7.4.1

Ben Marklein wrote:
> I'm trying to migrate from 7.2 to 7.4.1 via
> pg_dump/pg_restore and have encountered a couple of
> problems:
>
> 1) Index creation on a table fails:
>
> db=# CREATE UNIQUE INDEX person_info_username_ix ON
> person_info USING btree (username);
> ERROR: could not create unique index
> DETAIL: Table contains duplicated values.
>
> Of course, this index existed in the 7.2 DB, so it
> seems odd that it should not be possible to recreate.
> Furthermore, a search for duplicate values fails:
>
> db=# select username, count(*) from person_info group
> by username having count(*) > 1;
> username | count
> ----------+-------
> (0 rows)
>
> Is this a known issue or possibly a bug?

Not sure. Never heard of this before.

> 2) While importing I get: "ERROR: invalid memory
> alloc request size 1073741824". I tracked this down
> to a line with some non-ASCII characters. The type of
> the new database is LATIN1, and these are valid LATIN1
> characters. I googled for the error message and found
> a bug report that sounds like the same problem:
>
> http://www.mail-archive.com/pgsql-bugs(at)postgresql(dot)org/msg07363.html
>
> Anyone know if this was confirmed as a bug, and
> whether it's being looked into? Thanks.

Sounds like the same problem, but I don't remember the solution.

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