upgrade.php : fix postgres complaining about addition of boolean not null field when existing data exists and no default is specified

git-svn-id: https://svn.code.sf.net/p/postfixadmin/code/trunk@1626 a1433add-5e2c-0410-b055-b7f2511e0802

upgrade.php

@@ -1310,10 +1310,14 @@ function upgrade_1050() {
     db_query_parsed(_add_index('log', 'domain_timestamp', 'domain,timestamp'));
 }
 
-function upgrade_1283() {
+function upgrade_1283_mysql() {
     _db_add_field('admin', 'superadmin', '{BOOLEAN}', 'password');
 }
 
+function upgrade_1283_pgsql() { /* postgresql doesn't like adding columns which can't be null when there is data already there. */
+    _db_add_field('admin', 'superadmin', "{BOOLEAN} DEFAULT '{BOOL_TRUE}'", 'password');
+}
+
 function upgrade_1284() {
     # migrate the ALL domain to the superadmin column
     # Note: The ALL domain is not (yet) deleted to stay backwards-compatible for now (will be done in a later upgrade function)