Define "PackageComments.DelUsersID" as "NULL".

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

UPGRADING

@@ -25,6 +25,9 @@ ALTER TABLE TU_VoteInfo
 ALTER TABLE TU_Votes
 	ADD FOREIGN KEY (VoteID) REFERENCES TU_VoteInfo(ID) ON DELETE CASCADE,
 	ADD FOREIGN KEY (UserID) REFERENCES Users(ID) ON DELETE CASCADE;
+ALTER TABLE PackageComments
+	MODIFY DelUsersID INTEGER UNSIGNED NULL DEFAULT NULL;
+UPDATE PackageComments SET DelUsersID = NULL WHERE DelUsersID = 0;
 ----
 
 From 1.7.0 to 1.8.0

support/schema/aur-schema.sql

@@ -161,7 +161,7 @@ CREATE TABLE PackageComments (
 	UsersID INTEGER UNSIGNED NOT NULL,
 	Comments TEXT NOT NULl DEFAULT '',
 	CommentTS BIGINT UNSIGNED NOT NULL DEFAULT 0,
-	DelUsersID INTEGER UNSIGNED NOT NULL DEFAULT 0,
+	DelUsersID INTEGER UNSIGNED NULL DEFAULT NULL,
 	PRIMARY KEY (ID),
 	INDEX (UsersID),
 	INDEX (PackageID),

web/lib/pkgfuncs.inc

@@ -181,7 +181,7 @@ function package_comments_count($pkgid = 0) {
 		$dbh = db_connect();
 		$q = "SELECT COUNT(*) FROM PackageComments ";
 		$q.= "WHERE PackageID = " . mysql_real_escape_string($pkgid);
-		$q.= " AND DelUsersID = 0";
+		$q.= " AND DelUsersID IS NULL";
 	}
 	$result = db_query($q, $dbh);
 
@@ -201,7 +201,7 @@ function package_comments($pkgid = 0) {
 		$q.= "FROM PackageComments, Users ";
 		$q.= "WHERE PackageComments.UsersID = Users.ID";
 		$q.= " AND PackageID = ".mysql_real_escape_string($pkgid);
-		$q.= " AND DelUsersID = 0"; # only display non-deleted comments
+		$q.= " AND DelUsersID IS NULL"; # only display non-deleted comments
 		$q.= " ORDER BY CommentTS DESC";
 
 		if (!isset($_GET['comments'])) {