From 9553790cfc9a3bcb5c4bf2266565862082c26613 Mon Sep 17 00:00:00 2001 From: Lukas Fleischer Date: Sat, 26 Apr 2014 14:40:07 +0200 Subject: Support multiple licenses per package Split out package licenses into two separate tables in order to support multiple licenses per package. The code on the package details page is adjusted accordingly. UPGRADING contains instructions on how to convert existing licenses in the database to the new layout. Signed-off-by: Lukas Fleischer --- UPGRADING | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'UPGRADING') diff --git a/UPGRADING b/UPGRADING index 814fea1a..357cd6c7 100644 --- a/UPGRADING +++ b/UPGRADING @@ -217,6 +217,39 @@ CREATE TABLE PackageGroups ( ) ENGINE = InnoDB; ---- +18. Create tables to store package licenses: + +---- +CREATE TABLE Licenses ( + ID INTEGER UNSIGNED NOT NULL AUTO_INCREMENT, + Name VARCHAR(64) NOT NULL, + PRIMARY KEY (ID), + UNIQUE (Name) +) ENGINE = InnoDB; +CREATE TABLE PackageLicenses ( + PackageID INTEGER UNSIGNED NOT NULL, + LicenseID INTEGER UNSIGNED NOT NULL, + PRIMARY KEY (PackageID, LicenseID), + FOREIGN KEY (PackageID) REFERENCES Packages(ID) ON DELETE CASCADE, + FOREIGN KEY (LicenseID) REFERENCES Licenses(ID) ON DELETE CASCADE +) ENGINE = InnoDB; +---- + +19. Convert existing licenses to the new storage format: + +---- +INSERT INTO Licenses (Name) SELECT DISTINCT License FROM Packages; +INSERT INTO PackageLicenses (PackageID, LicenseID) + SELECT Packages.ID, Licenses.ID FROM Packages + INNER JOIN Licenses ON Licenses.Name = Packages.License; +---- + +20. Delete the license column from the Packages table: + +---- +ALTER TABLE Packages DROP COLUMN License; +---- + From 2.2.0 to 2.3.0 ------------------- -- cgit v1.2.3-24-g4f1b