<?php
// /kngil/bbs/update_schema.php
require_once __DIR__ . '/db_conn.php';

try {
    $pdo->exec("ALTER TABLE kngil.users ADD COLUMN IF NOT EXISTS oidc_sub VARCHAR(255) UNIQUE");
    echo "Successfully added oidc_sub column to kngil.users table.\n";
} catch (PDOException $e) {
    echo "Error: " . $e->getMessage() . "\n";
}