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@ -20,85 +20,35 @@ extern crate test; |
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use rocksdb::{Options, RocksDB, MergeOperands, new_bloom_filter, Writable, }; |
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use rocksdb::RocksDBCompactionStyle::RocksDBUniversalCompaction; |
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fn snapshot_test() { |
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let path = "_rust_rocksdb_iteratortest"; |
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{ |
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let mut db = RocksDB::open_default(path).unwrap(); |
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let p = db.put(b"k1", b"v1111"); |
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assert!(p.is_ok()); |
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let p = db.put(b"k2", b"v2222"); |
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assert!(p.is_ok()); |
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let p = db.put(b"k3", b"v3333"); |
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assert!(p.is_ok()); |
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let mut snap = db.snapshot(); |
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let mut view1 = snap.iterator(); |
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println!("See the output of the first iter"); |
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for (k,v) in view1.from_start() { |
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println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); |
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}; |
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for (k,v) in view1.from_start() { |
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println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); |
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}; |
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for (k,v) in view1.from_end() { |
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println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); |
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}; |
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} |
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let opts = Options::new(); |
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assert!(RocksDB::destroy(&opts, path).is_ok()); |
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} |
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fn iterator_test() { |
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let path = "_rust_rocksdb_iteratortest"; |
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{ |
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let mut db = RocksDB::open_default(path).unwrap(); |
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let p = db.put(b"k1", b"v1111"); |
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assert!(p.is_ok()); |
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let p = db.put(b"k2", b"v2222"); |
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assert!(p.is_ok()); |
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let p = db.put(b"k3", b"v3333"); |
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assert!(p.is_ok()); |
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{ |
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let mut view1 = db.iterator(); |
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println!("See the output of the first iter"); |
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for (k,v) in view1.from_start() { |
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println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); |
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}; |
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for (k,v) in view1.from_start() { |
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println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); |
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}; |
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for (k,v) in view1.from_end() { |
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println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); |
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}; |
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} |
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let mut view2 = db.iterator(); |
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let p = db.put(b"k4", b"v4444"); |
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assert!(p.is_ok()); |
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let mut view3 = db.iterator(); |
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println!("See the output of the second iter"); |
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for (k,v) in view2.from_start() { |
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println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); |
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} |
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println!("See the output of the third iter"); |
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for (k,v) in view3.from_start() { |
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println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); |
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} |
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println!("now the 3rd iter from k2 fwd"); |
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for (k,v) in view3.from(b"k2", rocksdb::Direction::forward) { |
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println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); |
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} |
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println!("now the 3rd iter from k2 and back"); |
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for (k,v) in view3.from(b"k2", rocksdb::Direction::reverse) { |
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println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); |
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} |
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} |
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let opts = Options::new(); |
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assert!(RocksDB::destroy(&opts, path).is_ok()); |
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} |
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//fn snapshot_test() {
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// let path = "_rust_rocksdb_iteratortest";
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// {
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// let mut db = RocksDB::open_default(path).unwrap();
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// let p = db.put(b"k1", b"v1111");
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// assert!(p.is_ok());
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// let p = db.put(b"k2", b"v2222");
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// assert!(p.is_ok());
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// let p = db.put(b"k3", b"v3333");
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// assert!(p.is_ok());
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// let mut snap = db.snapshot();
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// let mut view1 = snap.iterator();
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// println!("See the output of the first iter");
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// for (k,v) in view1.from_start() {
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// println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap());
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// };
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// for (k,v) in view1.from_start() {
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// println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap());
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// };
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// for (k,v) in view1.from_end() {
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// println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap());
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// };
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// }
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// let opts = Options::new();
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// assert!(RocksDB::destroy(&opts, path).is_ok());
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//}
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#[cfg(not(feature = "valgrind"))] |
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fn main() { |
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snapshot_test(); |
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iterator_test(); |
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let path = "/tmp/rust-rocksdb"; |
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let mut db = RocksDB::open_default(path).unwrap(); |
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assert!(db.put(b"my key", b"my value").is_ok()); |
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