Mercurial > dive4elements > framework
diff artifact-database/doc/schema-pg.sql @ 274:92166f7c3842
#50 Added code on database level to recognize the oldest collection item in a collection (-> master artifact).
artifacts/trunk@2071 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Tue, 07 Jun 2011 17:09:25 +0000 |
| parents | 328ef982d768 |
| children | 10aa92f2eca0 |
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--- a/artifact-database/doc/schema-pg.sql Tue Jun 07 16:27:47 2011 +0000 +++ b/artifact-database/doc/schema-pg.sql Tue Jun 07 17:09:25 2011 +0000 @@ -47,6 +47,7 @@ collection_id int NOT NULL REFERENCES collections(id), artifact_id int NOT NULL REFERENCES artifacts(id), attribute bytea, + creation timestamp NOT NULL, UNIQUE (collection_id, artifact_id) );