fork of https://github.com/rust-rocksdb/rust-rocksdb for nextgraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.6 KiB
51 lines
1.6 KiB
// Copyright 2014 Tyler Neely
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
extern crate rocksdb;
|
|
|
|
mod util;
|
|
|
|
use rocksdb::{CompactionDecision, DB, Options};
|
|
use util::DBPath;
|
|
|
|
#[cfg(test)]
|
|
#[allow(unused_variables)]
|
|
fn test_filter(level: u32, key: &[u8], value: &[u8]) -> CompactionDecision {
|
|
use self::CompactionDecision::*;
|
|
match key.first() {
|
|
Some(&b'_') => Remove,
|
|
Some(&b'%') => Change(b"secret"),
|
|
_ => Keep,
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn compaction_filter_test() {
|
|
use {Options, DB};
|
|
|
|
let path = DBPath::new("_rust_rocksdb_filtertest");
|
|
let mut opts = Options::default();
|
|
opts.create_if_missing(true);
|
|
opts.set_compaction_filter("test", test_filter);
|
|
{
|
|
let db = DB::open(&opts, &path).unwrap();
|
|
let _ = db.put(b"k1", b"a");
|
|
let _ = db.put(b"_k", b"b");
|
|
let _ = db.put(b"%k", b"c");
|
|
db.compact_range(None::<&[u8]>, None::<&[u8]>);
|
|
assert_eq!(&*db.get(b"k1").unwrap().unwrap(), b"a");
|
|
assert!(db.get(b"_k").unwrap().is_none());
|
|
assert_eq!(&*db.get(b"%k").unwrap().unwrap(), b"secret");
|
|
}
|
|
}
|
|
|