1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// Copyright 2020 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.
mod util;
use pretty_assertions::assert_eq;
use rocksdb::{CompactionDecision, Options, DB};
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() {
let path = DBPath::new("_rust_rocksdb_filter_test");
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");
}
}
|
