From 1c879f073f9c21af5f1bdfa9e9f0ecf221fca328 Mon Sep 17 00:00:00 2001
From: Oleksandr Anyshchenko <aanischenko@gmail.com>
Date: Thu, 9 Feb 2023 19:25:19 +0100
Subject: [PATCH] Release 0.20.0 (#736)

---
 CHANGELOG.md                | 14 ++++++++++++++
 Cargo.toml                  |  2 +-
 src/backup.rs               | 14 ++++++--------
 tests/test_column_family.rs |  2 +-
 4 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a5c03ba..c4324a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,22 @@
 
 ## [Unreleased]
 
+## 0.20.0 (2023-02-09)
+
+* Support RocksDB 7.x `BackupEngineOptions` (exabytes18)
+* Fix `int128` compatibility check (Dirreke)
+* Add `Options::load_latest` method to load the latest options from RockDB (Congyuwang)
+* Bump bindgen to 0.64.0 (cwlittle)
 * Bump rocksdb to 7.9.2 (kwek20)
+* Make `set_snapshot` method public (a14e)
+* Add `drop_cf` function to `TransactionDB` (bothra90)
 * Bump rocksdb to 7.8.3 (aleksuss)
+* Add doc for `set_cache_index_and_filter_blocks` (guerinoni)
+* Re-run `build.rs` if env vars change (drahnr)
+* Add `WriteBatch::data` method (w41ter)
+* Add `DB::open_cf_with_opts` method (w41ter)
+* Use lz4-sys crate rather then submodule (niklasf)
+* Make create_new_backup_flush generic (minshao)
 
 ## 0.19.0 (2022-08-05)
 
diff --git a/Cargo.toml b/Cargo.toml
index 815f1b8..34a70da 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "rocksdb"
 description = "Rust wrapper for Facebook's RocksDB embeddable database"
-version = "0.19.0"
+version = "0.20.0"
 edition = "2018"
 authors = ["Tyler Neely <t@jujit.su>", "David Greenberg <dsg123456789@gmail.com>"]
 repository = "https://github.com/rust-rocksdb/rust-rocksdb"
diff --git a/src/backup.rs b/src/backup.rs
index 31fb820..17d0796 100644
--- a/src/backup.rs
+++ b/src/backup.rs
@@ -224,19 +224,17 @@ impl BackupEngine {
 }
 
 impl BackupEngineOptions {
-    /// Initializes BackupEngineOptions with the directory to be used for storing/accessing the
+    /// Initializes `BackupEngineOptions` with the directory to be used for storing/accessing the
     /// backup files.
     pub fn new<P: AsRef<Path>>(backup_dir: P) -> Result<Self, Error> {
         let backup_dir = backup_dir.as_ref();
-        let c_backup_dir = if let Ok(c) = CString::new(backup_dir.to_string_lossy().as_bytes()) {
-            c
-        } else {
-            return Err(Error::new(
+        let c_backup_dir = CString::new(backup_dir.to_string_lossy().as_bytes()).map_err(|_| {
+            Error::new(
                 "Failed to convert backup_dir to CString \
                      when constructing BackupEngineOptions"
                     .to_owned(),
-            ));
-        };
+            )
+        })?;
 
         unsafe {
             let opts = ffi::rocksdb_backup_engine_options_create(c_backup_dir.as_ptr());
@@ -246,7 +244,7 @@ impl BackupEngineOptions {
         }
     }
 
-    /// Sets the number of operations (such as file copies or file checksums) that RocksDB may
+    /// Sets the number of operations (such as file copies or file checksums) that `RocksDB` may
     /// perform in parallel when executing a backup or restore.
     ///
     /// Default: 1
diff --git a/tests/test_column_family.rs b/tests/test_column_family.rs
index db9f666..0daee9b 100644
--- a/tests/test_column_family.rs
+++ b/tests/test_column_family.rs
@@ -198,7 +198,7 @@ fn test_column_family_with_transactiondb() {
         let opts = Options::default();
         let cfs = &["cf1"];
         #[cfg(feature = "multi-threaded-cf")]
-        let mut db = TransactionDB::<MultiThreaded>::open_cf(
+        let db = TransactionDB::<MultiThreaded>::open_cf(
             &opts,
             &TransactionDBOptions::default(),
             &n,