Split UPGRADING

Split the upgrade instructions into several files, one file per version
in order to keep them small, readable and to avoid merge conflicts.

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

upgrading/3.2.0.txt

@@ -0,0 +1,30 @@
+1. Add support for package requests to the database:
+
+----
+CREATE TABLE RequestTypes (
+	ID TINYINT UNSIGNED NOT NULL AUTO_INCREMENT,
+	Name VARCHAR(32) NOT NULL DEFAULT '',
+	PRIMARY KEY (ID)
+) ENGINE = InnoDB;
+INSERT INTO RequestTypes VALUES (1, 'deletion');
+INSERT INTO RequestTypes VALUES (2, 'orphan');
+INSERT INTO RequestTypes VALUES (3, 'merge');
+
+CREATE TABLE PackageRequests (
+	ID BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+	ReqTypeID TINYINT UNSIGNED NOT NULL,
+	PackageBaseID INTEGER UNSIGNED NULL,
+	PackageBaseName VARCHAR(255) NOT NULL,
+	MergeBaseName VARCHAR(255) NULL,
+	UsersID INTEGER UNSIGNED NULL DEFAULT NULL,
+	Comments TEXT NOT NULL DEFAULT '',
+	RequestTS BIGINT UNSIGNED NOT NULL DEFAULT 0,
+	Status TINYINT UNSIGNED NOT NULL DEFAULT 0,
+	PRIMARY KEY (ID),
+	INDEX (UsersID),
+	INDEX (PackageBaseID),
+	FOREIGN KEY (ReqTypeID) REFERENCES RequestTypes(ID) ON DELETE NO ACTION,
+	FOREIGN KEY (UsersID) REFERENCES Users(ID) ON DELETE SET NULL,
+	FOREIGN KEY (PackageBaseID) REFERENCES PackageBases(ID) ON DELETE SET NULL
+) ENGINE = InnoDB;
+----