The bitcask from dragonquest

[BUG] LruEntry uninitialized, which is invalid

bitcask master
cargo 1.50.0 (f04e7fab7 2021-02-04)
rustc 1.50.0 (cb75ad5db 2021-02-10)

run demo:

use bitcask;
use bytesize::ByteSize;

fn main() {
    let options = bitcask::Options {
        base_dir: std::path::PathBuf::from("./db1"),
        data_file_limit: ByteSize::mb(10).as_u64(),
    };

    let db = bitcask::new(options);
    if let Err(err_msg) = db {
        println!("{}", err_msg);
        std::process::exit(1);
    }
    let mut db = db.unwrap();

    for n in 0..1000 {
        let name = format!("Peter Nr. {}", n);
        let key = format!("name:{}", n);

        db.write(key.as_bytes(), name.as_bytes()).unwrap();
    }

    db.close().unwrap();
}

error report：

thread 'main' panicked at 'attempted to leave type `database::lru::LruEntry<u128, datafile::DataFile>` uninitialized, which is invalid', /home/xx/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:659:9
stack backtrace:
   0: rust_begin_unwind
             at /rustc/cb75ad5db02783e8b0222fee363c5f63f7e2cf5b/library/std/src/panicking.rs:493:5
   1: core::panicking::panic_fmt
             at /rustc/cb75ad5db02783e8b0222fee363c5f63f7e2cf5b/library/core/src/panicking.rs:92:14
   2: core::panicking::panic
             at /rustc/cb75ad5db02783e8b0222fee363c5f63f7e2cf5b/library/core/src/panicking.rs:50:5
   3: core::mem::uninitialized
             at /home/xx/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:659:9
   4: lru::LruCache<K,V,S>::construct
             at /home/xx/.cargo/registry/src/github.com-1ecc6299db9ec823/lru-0.1.17/src/lib.rs:216:51
   5: lru::LruCache<K,V>::new
             at /home/xx/.cargo/registry/src/github.com-1ecc6299db9ec823/lru-0.1.17/src/lib.rs:173:9
   6: bitcask::database::new
             at /home/xx/.cargo/git/checkouts/bitcask-ef3cb47bcd03a3bd/f218892/src/database.rs:75:27
   7: bitcask_rs::main
             at ./src/main.rs:10:14
   8: core::ops::function::FnOnce::call_once
             at /home/xx/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

dragonquest / bitcask Goto Github PK

bitcask's People

Stargazers

Watchers

Forkers

bitcask's Issues

[BUG] LruEntry uninitialized, which is invalid

Recommend Projects

React

Vue.js

Typescript

TensorFlow

Django

Laravel

D3

Recommend Topics

javascript

web

server

Machine learning

Visualization

Game

Recommend Org

Facebook

Microsoft

Google

Alibaba

D3

Tencent