From: olivier <olivier@3bf09e05-f825-4182-b9bc-eedd7160adf0>
Date: Mon, 4 May 2009 13:21:34 +0000 (+0000)
Subject: docref sql: add uniqueness constraint to publisher collections
X-Git-Url: https://git.parisson.com/?a=commitdiff_plain;h=e07ff3c2c089f1eb8197d11c00ad113784542bc9;p=telemeta-data.git

docref sql: add uniqueness constraint to publisher collections

git-svn-id: http://svn.parisson.org/svn/crem@90 3bf09e05-f825-4182-b9bc-eedd7160adf0
---

diff --git a/trunk/docref/crem.sql b/trunk/docref/crem.sql
index 0539d02..b82405a 100644
--- a/trunk/docref/crem.sql
+++ b/trunk/docref/crem.sql
@@ -111,7 +111,8 @@ CREATE TABLE publisher_collections (
     publisher_id    INTEGER NOT NULL,
     value           VARCHAR(250) NOT NULL,
 
-    FOREIGN KEY(publisher_id) REFERENCES publishers (id) ON DELETE CASCADE
+    FOREIGN KEY(publisher_id) REFERENCES publishers (id) ON DELETE CASCADE,
+    UNIQUE (publisher_id, value)
 ) ENGINE=InnoDB;
 
 --