From df217fd7d081f96cd3fc10c85f71655e8b7923bf Mon Sep 17 00:00:00 2001
From: Tim Hunt <T.J.Hunt@open.ac.uk>
Date: Wed, 20 Jun 2012 23:38:05 +0100
Subject: [PATCH] MDL-33924 quiz: incorrect foreign key definition.
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Thanks to Jean-Michel Vedrine for spotting this.≈
---
 mod/quiz/db/install.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mod/quiz/db/install.xml b/mod/quiz/db/install.xml
index 0c15b604fbf..fd12420079c 100644
--- a/mod/quiz/db/install.xml
+++ b/mod/quiz/db/install.xml
@@ -74,7 +74,7 @@
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="quiz"/>
         <KEY NAME="quiz" TYPE="foreign" FIELDS="quiz" REFTABLE="quiz" REFFIELDS="id" PREVIOUS="primary" NEXT="userid"/>
         <KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id" PREVIOUS="quiz" NEXT="uniqueid"/>
-        <KEY NAME="uniqueid" TYPE="foreign-unique" FIELDS="uniqueid" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="userid"/>
+        <KEY NAME="uniqueid" TYPE="foreign-unique" FIELDS="uniqueid" REFTABLE="question_usages" REFFIELDS="id" PREVIOUS="userid"/>
       </KEYS>
       <INDEXES>
         <INDEX NAME="quiz-userid-attempt" UNIQUE="true" FIELDS="quiz, userid, attempt"/>