datasource db {
  provider = "mysql"
  url      = "mysql://root@localhost:3306/yolo"
}

model Blog {
  id       Int       @id
  authors  Writer[]
}

model Writer {
  id      Int     @id
  blogs   Blog[]
}

// many to many
model BlogsWriters {
  blog      Blog
  author    Writer
  is_owner  Boolean

  @@unique(author, blog)
}

~/testPrisma/prisma$ prisma2 lift save
Error: Error in lift engine for rpc listMigrations:
thread 'main' panicked at 'loading the connector failed.: DataModelErrors { code: 1001, errors: ["Unexpected token. Expected one of: alphanumeric identifier."] }', src/libcore/result.rs:997:5
stack backtrace:
    0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
        at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
    1: std::sys_common::backtrace::_print
        at src/libstd/sys_common/backtrace.rs:71
    2: std::panicking::default_hook::{{closure}}
        at src/libstd/sys_common/backtrace.rs:59
        at src/libstd/panicking.rs:197
    3: std::panicking::default_hook
        at src/libstd/panicking.rs:211
    4: std::panicking::rust_panic_with_hook
        at src/libstd/panicking.rs:474
    5: std::panicking::continue_panic_fmt
        at src/libstd/panicking.rs:381
    6: rust_begin_unwind
        at src/libstd/panicking.rs:308
    7: core::panicking::panic_fmt
        at src/libcore/panicking.rs:85
    8: core::result::unwrap_failed
    9: migration_core::migration_engine::MigrationEngine::init
    10: <F as jsonrpc_core::calls::RpcMethodSimple>::call
    11: <F as jsonrpc_core::calls::RpcMethod<T>>::call
    12: <futures::future::lazy::Lazy<F,R> as futures::future::Future>::poll
    13: <futures::future::then::Then<A,B,F> as futures::future::Future>::poll
    14: <futures::future::map::Map<A,F> as futures::future::Future>::poll
    15: <futures::future::either::Either<A,B> as futures::future::Future>::poll
    16: futures::task_impl::std::set
    17: std::thread::local::LocalKey<T>::with
    18: futures::future::Future::wait
    19: jsonrpc_core::io::IoHandler<M>::handle_request_sync
    20: migration_core::rpc_api::RpcApi::handle
    21: migration_engine::main
    22: std::rt::lang_start::{{closure}}
    23: std::panicking::try::do_call
        at src/libstd/rt.rs:49
        at src/libstd/panicking.rs:293
    24: __rust_maybe_catch_panic
        at src/libpanic_unwind/lib.rs:87
    25: std::rt::lang_start_internal
        at src/libstd/panicking.rs:272
        at src/libstd/panic.rs:388
        at src/libstd/rt.rs:48
    26: main
    27: __libc_start_main
    28: _start