]> git.mjollnir.org Git - moodle.git/commitdiff
Added one comment about recursive FK for the future.
authorstronk7 <stronk7>
Fri, 11 Aug 2006 18:36:47 +0000 (18:36 +0000)
committerstronk7 <stronk7>
Fri, 11 Aug 2006 18:36:47 +0000 (18:36 +0000)
mod/forum/db/install.xml

index 92c8f6d50307a8bc6e25d57d0fe4c8949b7e3666..557af6319230c14e2873f75b344ec24e43b708a8 100644 (file)
@@ -73,7 +73,7 @@
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for forum_posts" NEXT="discussion"/>
         <KEY NAME="discussion" TYPE="foreign" FIELDS="discussion" REFTABLE="forum_discussions" REFFIELDS="id" PREVIOUS="primary" NEXT="parent"/>
-        <KEY NAME="parent" TYPE="foreign" FIELDS="parent" REFTABLE="forum_posts" REFFIELDS="id" PREVIOUS="discussion"/>
+        <KEY NAME="parent" TYPE="foreign" FIELDS="parent" REFTABLE="forum_posts" REFFIELDS="id" COMMENT="note that to make this recursive FK working someday, the parent field must be decalred NULL" PREVIOUS="discussion"/>
       </KEYS>
       <INDEXES>
         <INDEX NAME="userid" UNIQUE="false" FIELDS="userid" NEXT="created"/>