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-rw-r--r--UPGRADING33
1 files changed, 33 insertions, 0 deletions
diff --git a/UPGRADING b/UPGRADING
index 814fea1..357cd6c 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
-------------------