@Bean
    public DatabaseIdProvider databaseIdProvider() {
        Properties properties = new Properties();
        properties.setProperty("Oracle", "oracle");
        properties.setProperty("MySQL", "mysql");
        properties.setProperty("PostgreSQL", "postgresql");
        properties.setProperty("H2", "h2");
        properties.setProperty("OpenGauss", "opengauss");
        properties.setProperty("OceanBase", "oceanbase");
        VendorDatabaseIdProvider databaseIdProvider = new VendorDatabaseIdProvider();
        databaseIdProvider.setProperties(properties);
        return databaseIdProvider;
    }
Database dialect configuration.

@return {@linkplain DatabaseIdProvider}
shenyu-admin/src/main/java/org/apache/shenyu/admin/config/DataBaseConfiguration.java