diff -rup mediawiki-1.11.0.orig/includes/Database.php mediawiki-1.11.0/includes/Database.php
--- mediawiki-1.11.0.orig/includes/Database.php	2008-01-23 15:23:05.000000000 -0600
+++ mediawiki-1.11.0/includes/Database.php	2008-01-23 15:17:47.000000000 -0600
@@ -36,6 +36,22 @@ class DBObject {
 };
 
 /**
+ * Utility class
+ * @addtogroup Database
+ *
+ * This allows us to distinguish a blob from a normal string and an array of strings
+ */
+class Blob {
+	var $data;
+	function __construct($data) {
+		$this->mData = $data;
+	}
+	function fetch() {
+		return $this->mData;
+	}
+};
+
+/**
  * Utility class.
  * @addtogroup Database
  */
diff -rup mediawiki-1.11.0.orig/includes/DatabasePostgres.php mediawiki-1.11.0/includes/DatabasePostgres.php
--- mediawiki-1.11.0.orig/includes/DatabasePostgres.php	2008-01-23 15:21:28.000000000 -0600
+++ mediawiki-1.11.0/includes/DatabasePostgres.php	2008-01-23 15:18:07.000000000 -0600
@@ -1139,9 +1139,13 @@ END;
 	}
 
 	function encodeBlob( $b ) {
-		return pg_escape_bytea( $b );
+		return new Blob ( pg_escape_bytea( $b ) ) ;
 	}
+
 	function decodeBlob( $b ) {
+		if ($b instanceof Blob) {
+			$b = $b->fetch();
+		}
 		return pg_unescape_bytea( $b );
 	}
 
@@ -1152,11 +1156,10 @@ END;
 	function addQuotes( $s ) {
 		if ( is_null( $s ) ) {
 			return 'NULL';
-		} else if (is_array( $s )) { ## Assume it is bytea data
-			return "E'$s[1]'";
+		} else if ($s instanceof Blob) {
+			return "'".$s->fetch($s)."'";
 		}
 		return "'" . pg_escape_string($s) . "'";
-		// Unreachable: return "E'" . pg_escape_string($s) . "'";
 	}
 
 	function quote_ident( $s ) {