On 21 June 2013 05:08, Tom Lane t...@sss.pgh.pa.us wrote:
Melvin Call melvincall...@gmail.com writes:
I was given a dump of an existing remote schema and database, and the
restore on my local system failed. Looking into it, I found a circular
parent-child/child-parent relationship, and I
Hello.
I think this CAN happen in practice when the constraints are DEFERRED, because
as such are checked at COMMIT time.
HTH,
Ladislav Lenart
On 21.6.2013 05:08, Tom Lane wrote:
Melvin Call melvincall...@gmail.com writes:
I was given a dump of an existing remote schema and database, and
Hi Tom,
First an apology of sorts. The restore doesn't fail, but the COPY
statements generate errors about the referenced table not containing the
key values (as you seem to have figured out that I meant). I have no idea
what version of PostgreSQL the remote system is running, I just have the
Hi Ladislav and Alban,
Thanks for the suggestions regarding the DEFERRED constraint. While
certainly a viable option, I would expect the dump to maintain those
constraints. The lack of them indicates to me that somehow an initial
insert was created and then the structure was modified to support
Melvin Call wrote
To summarize, the organization entity has an attribute of creator, which
is a foreign key to the user table, but the user has to belong to an
organization, which is a foreign key to the organization table. Since
neither are nullable, there is no way to create even an initial
I was given a dump of an existing remote schema and database, and the
restore on my local system failed. Looking into it, I found a circular
parent-child/child-parent relationship, and I don't believe this existing
structure is viable. To summarize, the organization entity has an attribute
of
Melvin Call melvincall...@gmail.com writes:
I was given a dump of an existing remote schema and database, and the
restore on my local system failed. Looking into it, I found a circular
parent-child/child-parent relationship, and I don't believe this existing
structure is viable. To summarize,
