From 22ee6989553da943143b57c66aa239e7ceea28ae Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Mon, 9 Nov 2020 00:10:04 +0800
Subject: [PATCH] feat: add rocks db

---
 __database/rocksdb/Cargo.lock  | 395 +++++++++++++++++++++++++++++++++
 __database/rocksdb/Cargo.toml  |  11 +
 __database/rocksdb/src/main.rs |  16 ++
 3 files changed, 422 insertions(+)
 create mode 100644 __database/rocksdb/Cargo.lock
 create mode 100644 __database/rocksdb/Cargo.toml
 create mode 100644 __database/rocksdb/src/main.rs

diff --git a/__database/rocksdb/Cargo.lock b/__database/rocksdb/Cargo.lock
new file mode 100644
index 0000000..2fbfacb
--- /dev/null
+++ b/__database/rocksdb/Cargo.lock
@@ -0,0 +1,395 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "aho-corasick"
+version = "0.7.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "ansi_term"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "bindgen"
+version = "0.54.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66c0bb6167449588ff70803f4127f0684f9063097eca5016f37eb52b92c2cf36"
+dependencies = [
+ "bitflags",
+ "cexpr",
+ "cfg-if",
+ "clang-sys",
+ "clap",
+ "env_logger",
+ "lazy_static",
+ "lazycell",
+ "log",
+ "peeking_take_while",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "which",
+]
+
+[[package]]
+name = "bitflags"
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+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+
+[[package]]
+name = "cc"
+version = "1.0.62"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1770ced377336a88a67c473594ccc14eca6f4559217c34f64aac8f83d641b40"
+dependencies = [
+ "jobserver",
+]
+
+[[package]]
+name = "cexpr"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4aedb84272dbe89af497cf81375129abda4fc0a9e7c5d317498c15cc30c0d27"
+dependencies = [
+ "nom",
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+[[package]]
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
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+[[package]]
+name = "clap"
+version = "2.33.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
+dependencies = [
+ "ansi_term",
+ "atty",
+ "bitflags",
+ "strsim",
+ "textwrap",
+ "unicode-width",
+ "vec_map",
+]
+
+[[package]]
+name = "env_logger"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
+dependencies = [
+ "atty",
+ "humantime",
+ "log",
+ "regex",
+ "termcolor",
+]
+
+[[package]]
+name = "glob"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
+
+[[package]]
+name = "hermit-abi"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "humantime"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
+dependencies = [
+ "quick-error",
+]
+
+[[package]]
+name = "jobserver"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c71313ebb9439f74b00d9d2dcec36440beaf57a6aa0623068441dd7cd81a7f2"
+dependencies = [
+ "libc",
+]
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+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+[[package]]
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+[[package]]
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+checksum = "f2b111a074963af1d37a139918ac6d49ad1d0d5e47f72fd55388619691a7d753"
+dependencies = [
+ "cc",
+ "winapi",
+]
+
+[[package]]
+name = "librocksdb-sys"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb5b56f651c204634b936be2f92dbb42c36867e00ff7fe2405591f3b9fa66f09"
+dependencies = [
+ "bindgen",
+ "cc",
+ "glob",
+ "libc",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "memchr"
+version = "2.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "memchr",
+ "version_check",
+]
+
+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
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+[[package]]
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+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+ "thread_local",
+]
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+[[package]]
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+
+[[package]]
+name = "rocksdb"
+version = "0.1.0"
+dependencies = [
+ "rocksdb 0.15.0",
+]
+
+[[package]]
+name = "rocksdb"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23d83c02c429044d58474eaf5ae31e062d0de894e21125b47437ec0edc1397e6"
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+ "libc",
+ "librocksdb-sys",
+]
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+ "winapi-util",
+]
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+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
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+
+[[package]]
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+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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diff --git a/__database/rocksdb/Cargo.toml b/__database/rocksdb/Cargo.toml
new file mode 100644
index 0000000..71c8eee
--- /dev/null
+++ b/__database/rocksdb/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "rocksdb"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rocksdb = "0.15.0"
+
diff --git a/__database/rocksdb/src/main.rs b/__database/rocksdb/src/main.rs
new file mode 100644
index 0000000..24e20fb
--- /dev/null
+++ b/__database/rocksdb/src/main.rs
@@ -0,0 +1,16 @@
+use rocksdb::{DB, Options};
+
+fn main() {
+    let path = "_path_for_rocksdb_storage";
+    {
+        let db = DB::open_default(path).unwrap();
+        db.put(b"my key", b"my value").unwrap();
+        match db.get(b"my key") {
+            Ok(Some(value)) => println!("retrieved value {}", String::from_utf8(value).unwrap()),
+            Ok(None) => println!("value not found"),
+            Err(e) => println!("operational problem encountered: {}", e),
+        }
+        db.delete(b"my key").unwrap();
+    }
+    let _ = DB::destroy(&Options::default(), path);
+}