We can rely on usesuper and not just usecreatedb here.

diff --git a/includes/db/DatabasePostgres.php b/includes/db/DatabasePostgres.php
index 018aabf..bc16bdb 100644 (file)
--- a/includes/db/DatabasePostgres.php
+++ b/includes/db/DatabasePostgres.php
@@ -257,7 +257,7 @@ class DatabasePostgres extends Database {
                                        print "<li>Database \"" . htmlspecialchars( $wgDBname ) . "\" already exists, skipping database creation.</li>";
                                }
                                else {
-                                       if ($perms < 2) {
+                                       if ($perms < 1) {
                                                print "<li>ERROR: the user \"" . htmlspecialchars( $wgDBsuperuser ) . "\" cannot create databases. ";
                                                print 'Please use a different Postgres user.</li>';
                                                dieout('</ul>');