From cbe9d5e77cfd0ee9381f60555fe515db8754fda2 Mon Sep 17 00:00:00 2001
From: Dmitriy Pleshevskiy <dmitriy@ideascup.me>
Date: Fri, 22 Oct 2021 00:59:04 +0300
Subject: [PATCH] feat: add r2d2_mysql

Closes #5
---
 Cargo.lock        | 923 ++++++++++++++++++++++++++++++++++++++++++++--
 Cargo.toml        |   3 +
 src/error.rs      |  10 +
 src/lib.rs        |   8 +
 src/r2d2_mysql.rs |  91 +++++
 5 files changed, 994 insertions(+), 41 deletions(-)
 create mode 100644 src/r2d2_mysql.rs

diff --git a/Cargo.lock b/Cargo.lock
index 3c9d546..f251154 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,13 +2,37 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e61f2b7f93d2c7d2b08263acaa4a363b3e276806c68af6134c44f523bf1aacd"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
+[[package]]
+name = "ahash"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29661b60bec623f0586702976ff4d0c9942dcb6723161c2df0eea78455cfedfb"
+dependencies = [
+ "const-random",
+]
+
 [[package]]
 name = "ahash"
 version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.3",
  "once_cell",
  "version_check",
 ]
@@ -22,6 +46,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "arrayvec"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd9fd44efafa8690358b7408d253adf110036b88f55672a933f01d616ad9b1b9"
+dependencies = [
+ "nodrop",
+]
+
+[[package]]
+name = "arrayvec"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
+
 [[package]]
 name = "async-trait"
 version = "0.1.51"
@@ -44,12 +83,39 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "autocfg"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
+
 [[package]]
 name = "autocfg"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
+[[package]]
+name = "backtrace"
+version = "0.3.62"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "091bcdf2da9950f96aa522681ce805e6857f6ca8df73833d35736ab2dc78e152"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if 1.0.0",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
+[[package]]
+name = "base64"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
+
 [[package]]
 name = "base64"
 version = "0.13.0"
@@ -81,39 +147,154 @@ dependencies = [
  "tokio-postgres",
 ]
 
+[[package]]
+name = "bigdecimal"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1374191e2dd25f9ae02e3aa95041ed5d747fc77b3c102b49fe2dd9a8117a6244"
+dependencies = [
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+ "serde",
+]
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "block-buffer"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
+dependencies = [
+ "block-padding",
+ "byte-tools",
+ "byteorder",
+ "generic-array 0.12.4",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.4",
 ]
 
+[[package]]
+name = "block-padding"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
+dependencies = [
+ "byte-tools",
+]
+
+[[package]]
+name = "bufstream"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40e38929add23cdf8a366df9b0e088953150724bcbe5fc330b0d8eb3b328eec8"
+
+[[package]]
+name = "byte-tools"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
+
 [[package]]
 name = "byteorder"
 version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "bytes"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
+
 [[package]]
 name = "bytes"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
 
+[[package]]
+name = "cc"
+version = "1.0.71"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79c2681d6594606957bbb8631c4b90a7fcaaa72cdb714743a437b156d6a7eedd"
+
+[[package]]
+name = "cfg-if"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+dependencies = [
+ "libc",
+ "num-integer",
+ "num-traits",
+ "serde",
+ "time",
+ "winapi",
+]
+
+[[package]]
+name = "const-random"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f590d95d011aa80b063ffe3253422ed5aa462af4e9867d43ce8337562bac77c4"
+dependencies = [
+ "const-random-macro",
+ "proc-macro-hack",
+]
+
+[[package]]
+name = "const-random-macro"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "615f6e27d000a2bffbc7f2f6a8669179378fa27ee4d0a509e985dfc0a7defb40"
+dependencies = [
+ "getrandom 0.2.3",
+ "lazy_static",
+ "proc-macro-hack",
+ "tiny-keccak",
+]
+
+[[package]]
+name = "core-foundation"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6888e10551bb93e424d8df1d07f1a8b4fceb0001a3a4b048bfc47554946f47b3"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.1"
@@ -123,23 +304,58 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc32fast"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81156fece84ab6a9f2afdb109ce3ae577e42b1228441eded99bd77f627953b1a"
+dependencies = [
+ "cfg-if 1.0.0",
+]
+
+[[package]]
+name = "crunchy"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
+
 [[package]]
 name = "crypto-mac"
 version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1d1a86f49236c215f271d40892d5fc950490551400b02ef360692c29815c714"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.4",
  "subtle",
 ]
 
+[[package]]
+name = "derive_utils"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "532b4c15dccee12c7044f1fcad956e98410860b22231e44a3b827464797ca7bf"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "digest"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
+dependencies = [
+ "generic-array 0.12.4",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
 dependencies = [
- "generic-array",
+ "generic-array 0.14.4",
 ]
 
 [[package]]
@@ -161,6 +377,34 @@ dependencies = [
  "termcolor",
 ]
 
+[[package]]
+name = "failure"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d32e9bd16cc02eae7db7ef620b392808b89f6a5e16bb3497d159c6b92a0f4f86"
+dependencies = [
+ "backtrace",
+ "failure_derive",
+]
+
+[[package]]
+name = "failure_derive"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
+[[package]]
+name = "fake-simd"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
+
 [[package]]
 name = "fallible-iterator"
 version = "0.2.0"
@@ -173,12 +417,50 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a"
 
+[[package]]
+name = "flate2"
+version = "1.0.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e6988e897c1c9c485f43b47a529cef42fde0547f9d8d41a7062518f1d8fc53f"
+dependencies = [
+ "cfg-if 1.0.0",
+ "crc32fast",
+ "libc",
+ "libz-sys",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
+[[package]]
+name = "form_urlencoded"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191"
+dependencies = [
+ "matches",
+ "percent-encoding",
+]
+
 [[package]]
 name = "futures"
 version = "0.3.17"
@@ -233,7 +515,7 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "18e4a4b95cea4b4ccbcf1c5675ca7c4ee4e9e75eb79944d07defde18068f79bb"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "proc-macro-hack",
  "proc-macro2",
  "quote",
@@ -258,7 +540,7 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "36568465210a3a6ee45e1f165136d68671471a501e632e9a98d96872222b5481"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "futures-channel",
  "futures-core",
  "futures-io",
@@ -273,6 +555,15 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffdf9f34f1447443d37393cc6c2b8313aebddcd96906caf34e54c68d8e57d7bd"
+dependencies = [
+ "typenum",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -283,15 +574,42 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "wasi 0.9.0+wasi-snapshot-preview1",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
- "wasi",
+ "wasi 0.10.2+wasi-snapshot-preview1",
+]
+
+[[package]]
+name = "gimli"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0a01e0497841a3b2db4f8afa483cce65f7e96a3498bd6c541734792aeac8fe7"
+
+[[package]]
+name = "hashbrown"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e6073d0ca812575946eb5f35ff68dbe519907b25c42530389ff946dc84c6ead"
+dependencies = [
+ "ahash 0.2.19",
+ "autocfg 0.1.7",
 ]
 
 [[package]]
@@ -300,7 +618,7 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
 dependencies = [
- "ahash",
+ "ahash 0.7.6",
 ]
 
 [[package]]
@@ -309,7 +627,7 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7249a3129cbc1ffccd74857f81464a323a152173cdb134e0fd81bc803b29facf"
 dependencies = [
- "hashbrown",
+ "hashbrown 0.11.2",
 ]
 
 [[package]]
@@ -328,7 +646,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a2a2320eb7ec0ebe8da8f744d7812d9fc4cb4d09344ac01898dbcb6a20ae69b"
 dependencies = [
  "crypto-mac",
- "digest",
+ "digest 0.9.0",
 ]
 
 [[package]]
@@ -337,7 +655,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1323096b05d41827dadeaee54c9981958c0f94e670bc94ed80037d1a7b8b186b"
 dependencies = [
- "bytes",
+ "bytes 1.1.0",
  "fnv",
  "itoa",
 ]
@@ -348,7 +666,7 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "399c583b2979440c60be0821a6199eca73bc3c8dcd9d070d75ac726e2c6186e5"
 dependencies = [
- "bytes",
+ "bytes 1.1.0",
  "http",
  "pin-project-lite",
 ]
@@ -380,7 +698,7 @@ version = "0.14.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "15d1cfb9e4f68655fa04c01f59edb405b6074a0f7118ea881e5026e4a1cd8593"
 dependencies = [
- "bytes",
+ "bytes 1.1.0",
  "futures-channel",
  "futures-core",
  "futures-util",
@@ -397,13 +715,36 @@ dependencies = [
  "want",
 ]
 
+[[package]]
+name = "idna"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8"
+dependencies = [
+ "matches",
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "716d3d89f35ac6a34fd0eed635395f4c3b76fa889338a4632e5231a8684216bd"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
+]
+
+[[package]]
+name = "io-enum"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94534fd32a986dd34d97ddefe5198630d5ed99efd4e9b9b9ed4359e6b23a9cf7"
+dependencies = [
+ "autocfg 1.0.1",
+ "derive_utils",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -438,6 +779,31 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
+[[package]]
+name = "lexical"
+version = "4.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b33373fcaba01f90be959f0a1028098d388663c187bbf373d990c12e747788bd"
+dependencies = [
+ "cfg-if 0.1.10",
+ "lexical-core",
+ "rustc_version",
+]
+
+[[package]]
+name = "lexical-core"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "233853dfa6b87c7c00eb46a205802069263ab27e16b6bdd1b08ddf91a855e30c"
+dependencies = [
+ "arrayvec 0.4.12",
+ "bitflags",
+ "cfg-if 0.1.10",
+ "rustc_version",
+ "ryu",
+ "static_assertions 0.3.4",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.103"
@@ -454,6 +820,17 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "libz-sys"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de5435b8549c16d423ed0c03dbaafe57cf6c3344744f1242520d59c9d8ecec66"
+dependencies = [
+ "cc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "lock_api"
 version = "0.4.5"
@@ -469,18 +846,33 @@ version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "lru"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0609345ddee5badacf857d4f547e0e5a2e987db77085c24cd887f73573a04237"
+dependencies = [
+ "hashbrown 0.6.3",
+]
+
+[[package]]
+name = "matches"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
+
 [[package]]
 name = "md-5"
 version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b5a279bb9607f9f53c22d496eade00d138d1bdcccd07d74650387cf94942a15"
 dependencies = [
- "block-buffer",
- "digest",
- "opaque-debug",
+ "block-buffer 0.9.0",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -489,6 +881,16 @@ version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a92518e98c078586bc6c934028adcca4c92a53d6a958196de835170a01d84e4b"
+dependencies = [
+ "adler",
+ "autocfg 1.0.1",
+]
+
 [[package]]
 name = "mio"
 version = "0.7.13"
@@ -511,6 +913,116 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "mysql"
+version = "18.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f992910bfa4af992c2857451925ca0be7b41107a07939fa2e3879a621fc74ba"
+dependencies = [
+ "bufstream",
+ "io-enum",
+ "libc",
+ "lru",
+ "mysql_common",
+ "named_pipe",
+ "native-tls",
+ "net2",
+ "nix",
+ "percent-encoding",
+ "serde",
+ "serde_json",
+ "twox-hash",
+ "url",
+ "winapi",
+]
+
+[[package]]
+name = "mysql_common"
+version = "0.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e3950cf532b88574a05c3fcd4f1b1e0cd0b84883462ae6811298fe7c3c92edc"
+dependencies = [
+ "base64 0.11.0",
+ "bigdecimal",
+ "bitflags",
+ "byteorder",
+ "bytes 0.5.6",
+ "chrono",
+ "failure",
+ "flate2",
+ "lazy_static",
+ "lexical",
+ "num-bigint",
+ "num-traits",
+ "rand 0.7.3",
+ "regex",
+ "rust_decimal",
+ "serde",
+ "serde_json",
+ "sha1",
+ "sha2 0.8.2",
+ "time",
+ "twox-hash",
+ "uuid",
+]
+
+[[package]]
+name = "named_pipe"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad9c443cce91fc3e12f017290db75dde490d685cdaaf508d7159d7cf41f0eb2b"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "native-tls"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48ba9f7719b5a0f42f338907614285fb5fd70e53858141f69898a1fb7203b24d"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
+[[package]]
+name = "net2"
+version = "0.2.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "391630d12b68002ae1e25e8f974306474966550ad82dac6886fb8910c19568ae"
+dependencies = [
+ "cfg-if 0.1.10",
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "nix"
+version = "0.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50e4785f2c3b7589a0d0c1dd60285e1188adac4006e8abd6dd578e1567027363"
+dependencies = [
+ "bitflags",
+ "cc",
+ "cfg-if 0.1.10",
+ "libc",
+ "void",
+]
+
+[[package]]
+name = "nodrop"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
+
 [[package]]
 name = "ntapi"
 version = "0.3.6"
@@ -520,6 +1032,36 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "num-bigint"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "090c7f9998ee0ff65aa5b723e4009f7b217707f1fb5ea551329cc4d6231fb304"
+dependencies = [
+ "autocfg 1.0.1",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+dependencies = [
+ "autocfg 1.0.1",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+dependencies = [
+ "autocfg 1.0.1",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.13.0"
@@ -530,6 +1072,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "object"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c821014c18301591b89b843809ef953af9e3df0496c232d5c0611b0a52aac363"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.8.0"
@@ -544,16 +1095,56 @@ dependencies = [
  "bb8",
  "bb8-postgres",
  "r2d2",
+ "r2d2_mysql",
  "r2d2_postgres",
  "r2d2_sqlite",
 ]
 
+[[package]]
+name = "opaque-debug"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
+
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
+[[package]]
+name = "openssl"
+version = "0.10.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d9facdb76fec0b73c406f125d44d86fdad818d66fef0531eec9233ca425ff4a"
+dependencies = [
+ "bitflags",
+ "cfg-if 1.0.0",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-probe"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
+
+[[package]]
+name = "openssl-sys"
+version = "0.9.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69df2d8dfc6ce3aaf44b40dec6f487d5a886516cf6879c49e98e0710f310a058"
+dependencies = [
+ "autocfg 1.0.1",
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -571,7 +1162,7 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d76e8e1493bcac0d2766c42737f34458f1c8c50c0d23bcb24ea953affb273216"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "instant",
  "libc",
  "redox_syscall",
@@ -627,7 +1218,7 @@ version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb76d6535496f633fa799bb872ffb4790e9cbdedda9d35564ca0252f930c0dd5"
 dependencies = [
- "bytes",
+ "bytes 1.1.0",
  "fallible-iterator",
  "futures",
  "log",
@@ -652,15 +1243,15 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b145e6a4ed52cb316a27787fc20fe8a25221cb476479f61e4e0327c15b98d91a"
 dependencies = [
- "base64",
+ "base64 0.13.0",
  "byteorder",
- "bytes",
+ "bytes 1.1.0",
  "fallible-iterator",
  "hmac",
  "md-5",
  "memchr",
- "rand",
- "sha2",
+ "rand 0.8.4",
+ "sha2 0.9.8",
  "stringprep",
 ]
 
@@ -670,7 +1261,7 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "04619f94ba0cc80999f4fc7073607cb825bc739a883cb6d20900fc5e009d6b0d"
 dependencies = [
- "bytes",
+ "bytes 1.1.0",
  "fallible-iterator",
  "postgres-derive",
  "postgres-protocol",
@@ -729,6 +1320,16 @@ dependencies = [
  "scheduled-thread-pool",
 ]
 
+[[package]]
+name = "r2d2_mysql"
+version = "18.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2038c346c2fe66863ffdf74c755650c5cebdab8d0e26e342d298edaccb9a252e"
+dependencies = [
+ "mysql",
+ "r2d2",
+]
+
 [[package]]
 name = "r2d2_postgres"
 version = "0.18.1"
@@ -749,6 +1350,19 @@ dependencies = [
  "rusqlite",
 ]
 
+[[package]]
+name = "rand"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
+dependencies = [
+ "getrandom 0.1.16",
+ "libc",
+ "rand_chacha 0.2.2",
+ "rand_core 0.5.1",
+ "rand_hc 0.2.0",
+]
+
 [[package]]
 name = "rand"
 version = "0.8.4"
@@ -756,9 +1370,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
 dependencies = [
  "libc",
- "rand_chacha",
- "rand_core",
- "rand_hc",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.3",
+ "rand_hc 0.3.1",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.5.1",
 ]
 
 [[package]]
@@ -768,7 +1392,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.3",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+dependencies = [
+ "getrandom 0.1.16",
 ]
 
 [[package]]
@@ -777,7 +1410,16 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.3",
+]
+
+[[package]]
+name = "rand_hc"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+dependencies = [
+ "rand_core 0.5.1",
 ]
 
 [[package]]
@@ -786,7 +1428,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.3",
 ]
 
 [[package]]
@@ -815,6 +1457,15 @@ version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
+[[package]]
+name = "remove_dir_all"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "rusqlite"
 version = "0.26.1"
@@ -830,12 +1481,48 @@ dependencies = [
  "smallvec",
 ]
 
+[[package]]
+name = "rust_decimal"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0f1028de22e436bb35fce070310ee57d57b5e59ae77b4e3f24ce4773312b813"
+dependencies = [
+ "arrayvec 0.5.2",
+ "num-traits",
+ "serde",
+]
+
+[[package]]
+name = "rustc-demangle"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
+
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
+[[package]]
+name = "schannel"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
+dependencies = [
+ "lazy_static",
+ "winapi",
+]
+
 [[package]]
 name = "scheduled-thread-pool"
 version = "0.2.5"
@@ -851,6 +1538,44 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
+[[package]]
+name = "security-framework"
+version = "2.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "525bc1abfda2e1998d152c45cf13e696f76d0a4972310b22fac1658b05df7c87"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9dd14d83160b528b7bfd66439110573efcfbe281b17fc2ca9f39f550d619c7e"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "serde"
 version = "1.0.130"
@@ -882,17 +1607,35 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
+
+[[package]]
+name = "sha2"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a256f46ea78a0c0d9ff00077504903ac881a1dafdc20da66545699e7776b3e69"
+dependencies = [
+ "block-buffer 0.7.3",
+ "digest 0.8.1",
+ "fake-simd",
+ "opaque-debug 0.2.3",
+]
+
 [[package]]
 name = "sha2"
 version = "0.9.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b69f9a4c9740d74c5baa3fd2e547f9525fa8088a8a958e0ca2409a514e33f5fa"
 dependencies = [
- "block-buffer",
- "cfg-if",
+ "block-buffer 0.9.0",
+ "cfg-if 1.0.0",
  "cpufeatures",
- "digest",
- "opaque-debug",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -932,6 +1675,18 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "static_assertions"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f3eb36b47e512f8f1c9e3d10c2c1965bc992bd9cdb024fa581e2194501c83d3"
+
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
 [[package]]
 name = "stringprep"
 version = "0.1.2"
@@ -959,6 +1714,32 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "synstructure"
+version = "0.12.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "unicode-xid",
+]
+
+[[package]]
+name = "tempfile"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "rand 0.8.4",
+ "redox_syscall",
+ "remove_dir_all",
+ "winapi",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.1.2"
@@ -968,6 +1749,25 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "tiny-keccak"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
+dependencies = [
+ "crunchy",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.5.0"
@@ -989,8 +1789,8 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2c2416fdedca8443ae44b4527de1ea633af61d8f7169ffa6e72c5b53d24efcc"
 dependencies = [
- "autocfg",
- "bytes",
+ "autocfg 1.0.1",
+ "bytes 1.1.0",
  "libc",
  "memchr",
  "mio",
@@ -1022,7 +1822,7 @@ checksum = "2f916ee7e52c8a74dfe4162dd73a073d0d7d4b387ea7b97a774c0c10b0776531"
 dependencies = [
  "async-trait",
  "byteorder",
- "bytes",
+ "bytes 1.1.0",
  "fallible-iterator",
  "futures",
  "log",
@@ -1043,7 +1843,7 @@ version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d3725d3efa29485e87311c5b699de63cde14b00ed4d256b8318aa30ca452cd"
 dependencies = [
- "bytes",
+ "bytes 1.1.0",
  "futures-core",
  "futures-sink",
  "log",
@@ -1063,7 +1863,7 @@ version = "0.1.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "375a639232caf30edfc78e8d89b2d4c375515393e7af7e16f01cd96917fb2105"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "pin-project-lite",
  "tracing-core",
 ]
@@ -1083,6 +1883,17 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
+[[package]]
+name = "twox-hash"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f559b464de2e2bdabcac6a210d12e9b5a5973c251e102c44c585c71d51bd78e"
+dependencies = [
+ "cfg-if 1.0.0",
+ "rand 0.8.4",
+ "static_assertions 1.1.0",
+]
+
 [[package]]
 name = "typenum"
 version = "1.14.0"
@@ -1110,6 +1921,24 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
+[[package]]
+name = "url"
+version = "2.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a507c383b2d33b5fc35d1861e77e6b383d158b2da5e14fe51b83dfedf6fd578c"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "matches",
+ "percent-encoding",
+]
+
+[[package]]
+name = "uuid"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
@@ -1122,6 +1951,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
+
 [[package]]
 name = "want"
 version = "0.3.0"
@@ -1132,6 +1967,12 @@ dependencies = [
  "try-lock",
 ]
 
+[[package]]
+name = "wasi"
+version = "0.9.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+
 [[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
diff --git a/Cargo.toml b/Cargo.toml
index 42df2d9..0f85d68 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,8 +17,10 @@ async = ["async-trait"]
 sync = []
 
 bb8_postgres = ["async", "bb8", "bb8-postgres"]
+
 r2d2_postgres = ["sync", "r2d2", "r2d2-postgres"]
 r2d2_sqlite = ["sync", "r2d2", "r2d2-sqlite"]
+r2d2_mysql = ["sync", "r2d2", "r2d2-mysql"]
 
 [dependencies]
 async-trait = { version = "0.1", optional = true }
@@ -29,6 +31,7 @@ bb8-postgres = { version = "0.7", optional = true }
 r2d2 = { version = "0.8", optional = true }
 r2d2-postgres = { package = "r2d2_postgres", version = "0.18", optional = true }
 r2d2-sqlite = { package = "r2d2_sqlite", version = "0.19", optional = true }
+r2d2-mysql = { package = "r2d2_mysql", version = "18.0", optional = true }
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/src/error.rs b/src/error.rs
index 16dff64..5deba22 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -8,6 +8,9 @@ use r2d2_postgres::postgres::Error as PostgresError;
 #[cfg(feature = "r2d2_sqlite")]
 use r2d2_sqlite::rusqlite::Error as RusqliteError;
 
+#[cfg(feature = "r2d2_mysql")]
+use r2d2_mysql::mysql::Error as MysqlError;
+
 /// A helper type for any result with persistence error.
 ///
 /// Use this type in your repository or in something else that implements methods for your persistence.
@@ -72,3 +75,10 @@ impl From<RusqliteError> for Error {
         Self::PersistenceError(Box::new(err))
     }
 }
+
+#[cfg(feature = "r2d2_mysql")]
+impl From<MysqlError> for Error {
+    fn from(err: MysqlError) -> Self {
+        Self::PersistenceError(Box::new(err))
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 9468b36..e801ecd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -104,6 +104,14 @@ pub mod r2d2_postgres;
 #[cfg(feature = "r2d2_sqlite")]
 pub mod r2d2_sqlite;
 
+/// This module contains implementation for sync interface of mysql database.
+///
+/// The implementation uses `r2d2` as the pool and `mysql` as the client.
+///
+/// **Note:** This mod requires enabling the `r2d2_mysql` feature.
+#[cfg(feature = "r2d2_mysql")]
+pub mod r2d2_mysql;
+
 /// This module contains implementations for errors and result, that this
 /// crate uses
 pub mod error;
diff --git a/src/r2d2_mysql.rs b/src/r2d2_mysql.rs
new file mode 100644
index 0000000..3999fda
--- /dev/null
+++ b/src/r2d2_mysql.rs
@@ -0,0 +1,91 @@
+#[cfg(feature = "nightly")]
+use crate::syn::TransactionClient;
+use crate::syn::{ConnectionClient, PersistencePool};
+pub use r2d2::{Pool, PooledConnection};
+pub use r2d2_mysql::mysql;
+pub use r2d2_mysql::MysqlConnectionManager as Manager;
+
+/// Inner connection of r2d2 implementation.
+pub type InnerConn = PooledConnection<Manager>;
+/// Inner transaction of `mysql`.
+pub type InnerTrx<'t> = mysql::Transaction<'t>;
+
+/// It creates new persistence of r2d2 mysql implementation.
+#[must_use]
+pub fn new(pool: &Pool<Manager>) -> Persistence {
+    Persistence(pool)
+}
+
+/// Persistence wrap over r2d2 pool.
+#[derive(Clone)]
+pub struct Persistence<'p>(&'p Pool<Manager>);
+
+impl PersistencePool for Persistence<'_> {
+    type Conn = Connection;
+
+    fn get_connection(&self) -> crate::Result<Self::Conn> {
+        self.0
+            .get()
+            .map_err(|_| crate::Error::GetConnection)
+            .map(Connection)
+    }
+}
+
+/// Connection wrap over r2d2 mysql inner connection.
+pub struct Connection(InnerConn);
+
+impl ConnectionClient for Connection {
+    type InnerConn = InnerConn;
+
+    #[cfg(feature = "nightly")]
+    type Trx<'t> = Transaction<'t>;
+
+    fn inner(&mut self) -> &mut Self::InnerConn {
+        &mut self.0
+    }
+
+    #[cfg(feature = "nightly")]
+    fn start_transaction(&mut self) -> crate::Result<Self::Trx<'_>> {
+        self.0
+            .start_transaction(mysql::TxOpts::default())
+            .map_err(|_| crate::Error::UpgradeToTransaction)
+            .map(Transaction)
+    }
+}
+
+/// Transaction wrap over `mysql` transaction.
+///
+/// **Note:** requires nightly rust channel and enabling the `nightly` feature.
+///
+/// # Limits
+///
+/// Mysql doesn't support nested transactions
+pub struct Transaction<'me>(InnerTrx<'me>);
+
+impl<'me> ConnectionClient for Transaction<'me> {
+    type InnerConn = InnerTrx<'me>;
+
+    #[cfg(feature = "nightly")]
+    type Trx<'t> = Transaction<'t>;
+
+    fn inner(&mut self) -> &mut Self::InnerConn {
+        &mut self.0
+    }
+
+    #[cfg(feature = "nightly")]
+    fn start_transaction(&mut self) -> crate::Result<Self::Trx<'_>> {
+        // Mysql doesn't support nested transactions
+        Err(crate::Error::UpgradeToNestedTransaction)
+    }
+}
+
+impl TransactionClient for Transaction<'_> {
+    fn commit(self) -> crate::Result<()> {
+        self.0.commit().map_err(|_| crate::Error::CommitTransaction)
+    }
+    fn rollback(self) -> crate::Result<()> {
+        self.0
+            .rollback()
+            .map_err(|_| crate::Error::RollbackTransaction)
+    }
+}