Function Java_sz_1orm_1java_SzOrmPool_beginTransaction 

#[unsafe(no_mangle)]
pub extern "system" fn Java_sz_1orm_1java_SzOrmPool_beginTransaction<'local>(
    unowned_env: EnvUnowned<'local>,
    _class: JClass<'local>,
    pool_handle: jlong,
) -> jlong

JNI entry: Begin transaction, return transaction handle (0 indicates failure)