Add note on upgrading from MyISAM to InnoDB to "UPGRADING".

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>

1 files changed, 24 insertions, 0 deletions

diff --git a/UPGRADING b/UPGRADING
index 4a6aec4b..56ab1198 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -30,6 +30,30 @@ ALTER TABLE PackageComments
 UPDATE PackageComments SET DelUsersID = NULL WHERE DelUsersID = 0;
 ----
 
+3. (optional) If you converted your database from MyISAM to InnoDB during the
+upgrade process from 1.7.0 to 1.8.0 or from 1.8.0 to 1.8.1 without completely
+rebuilding the database from the MySQL schema, you should additionally run the
+following MySQL statements to add missing foreign keys:
+
+----
+ALTER TABLE Users
+	ADD FOREIGN KEY (AccountTypeID) REFERENCES AccountTypes(ID) ON DELETE NO ACTION;
+ALTER TABLE Packages
+	ADD FOREIGN KEY (CategoryID) REFERENCES PackageCategories(ID) ON DELETE NO ACTION,
+	ADD FOREIGN KEY (SubmitterUID) REFERENCES Users(ID) ON DELETE NO ACTION,
+	ADD FOREIGN KEY (MaintainerUID) REFERENCES Users(ID) ON DELETE NO ACTION;
+ALTER TABLE PackageVotes
+	ADD FOREIGN KEY (UsersID) REFERENCES Users(ID) ON DELETE CASCADE,
+	ADD FOREIGN KEY (PackageID) REFERENCES Packages(ID) ON DELETE CASCADE;
+ALTER TABLE PackageComments
+	ADD FOREIGN KEY (UsersID) REFERENCES Users(ID) ON DELETE CASCADE,
+	ADD FOREIGN KEY (DelUsersID) REFERENCES Users(ID) ON DELETE CASCADE,
+	ADD FOREIGN KEY (PackageID) REFERENCES Packages(ID) ON DELETE CASCADE;
+ALTER TABLE CommentNotify
+	ADD FOREIGN KEY (PkgID) REFERENCES Packages(ID) ON DELETE CASCADE,
+	ADD FOREIGN KEY (UserID) REFERENCES Users(ID) ON DELETE CASCADE;
+----
+
 From 1.7.0 to 1.8.0
 -------------------