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Re: [Gnumed-devel] Schema question about Unique#1
From: |
Karsten Hilbert |
Subject: |
Re: [Gnumed-devel] Schema question about Unique#1 |
Date: |
Sat, 09 Feb 2008 10:26:46 +0100 |
> In the schema for clin.table.lab-request
>
> where it declares
>
> fk_test_org integer UNIQUE#1 NOT NULL
> request_id text UNIQUE#1 NOT NULL
>
> does the above define the uniqueness to be
>
> (fk_test_org + request_id) UNIQUE
Yes.
> in other words there can be repeats within fk_test_org and repeats
> within request_id but no repeat in the combined?
Or in yet other words: The value for request_id may need to be repeatable
across labs at the same time.
> And Postgres is happy though the fields are of two different data types?
Sure ! :-)
Karsten
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