Mercurial > dive4elements > framework
comparison 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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| 273:22a90706d32d | 274:92166f7c3842 |
|---|---|
| 45 CREATE TABLE collection_items ( | 45 CREATE TABLE collection_items ( |
| 46 id int PRIMARY KEY NOT NULL, | 46 id int PRIMARY KEY NOT NULL, |
| 47 collection_id int NOT NULL REFERENCES collections(id), | 47 collection_id int NOT NULL REFERENCES collections(id), |
| 48 artifact_id int NOT NULL REFERENCES artifacts(id), | 48 artifact_id int NOT NULL REFERENCES artifacts(id), |
| 49 attribute bytea, | 49 attribute bytea, |
| 50 creation timestamp NOT NULL, | |
| 50 UNIQUE (collection_id, artifact_id) | 51 UNIQUE (collection_id, artifact_id) |
| 51 ); | 52 ); |
| 52 | 53 |
| 53 CREATE FUNCTION collections_access_update() RETURNS trigger AS | 54 CREATE FUNCTION collections_access_update() RETURNS trigger AS |
| 54 $$ | 55 $$ |