From f31a7ebc520bffb1247a6812473ea7de817178ed Mon Sep 17 00:00:00 2001
From: fakeshadow <24548779@qq.com>
Date: Tue, 17 Sep 2024 22:57:52 +0800
Subject: [PATCH 1/2] [features] add `pool` crate feature

---
 Cargo.toml                   | 9 +++++----
 src/lib.rs                   | 7 +------
 src/pooled_connection/mod.rs | 1 +
 3 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 44fa4f9..3c8da29 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -60,10 +60,11 @@ postgres = ["diesel/postgres_backend", "tokio-postgres", "tokio", "tokio/rt"]
 sqlite = ["diesel/sqlite", "sync-connection-wrapper"]
 sync-connection-wrapper = ["tokio/rt"]
 async-connection-wrapper = ["tokio/net"]
-r2d2 = ["diesel/r2d2"]
-bb8 = ["dep:bb8"]
-mobc = ["dep:mobc"]
-deadpool = ["dep:deadpool"]
+pool = []
+r2d2 = ["pool", "diesel/r2d2"]
+bb8 = ["pool", "dep:bb8"]
+mobc = ["pool", "dep:mobc"]
+deadpool = ["pool", "dep:deadpool"]
 
 [[test]]
 name = "integration_tests"
diff --git a/src/lib.rs b/src/lib.rs
index db532b0..3bc02fe 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -86,12 +86,7 @@ pub mod async_connection_wrapper;
 mod mysql;
 #[cfg(feature = "postgres")]
 pub mod pg;
-#[cfg(any(
-    feature = "deadpool",
-    feature = "bb8",
-    feature = "mobc",
-    feature = "r2d2"
-))]
+#[cfg(feature = "pool")]
 pub mod pooled_connection;
 mod run_query_dsl;
 #[cfg(any(feature = "postgres", feature = "mysql"))]
diff --git a/src/pooled_connection/mod.rs b/src/pooled_connection/mod.rs
index 2ff16cf..21471b1 100644
--- a/src/pooled_connection/mod.rs
+++ b/src/pooled_connection/mod.rs
@@ -119,6 +119,7 @@ where
 /// * [deadpool](self::deadpool)
 /// * [bb8](self::bb8)
 /// * [mobc](self::mobc)
+#[allow(dead_code)]
 pub struct AsyncDieselConnectionManager<C> {
     connection_url: String,
     manager_config: ManagerConfig<C>,

From 8474e4f31b8768a8661abdbfe8a262edea4f4ff7 Mon Sep 17 00:00:00 2001
From: fakeshadow <24548779@qq.com>
Date: Tue, 17 Sep 2024 23:03:25 +0800
Subject: [PATCH 2/2] add changelog

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index acaf7ed..cf4b014 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ for Rust libraries in [RFC #1105](https://github.com/rust-lang/rfcs/blob/master/
 
 ## [Unreleased]
 
+* Add crate feature `pool` for extending connection pool implements through external crate
+
 ## [0.5.0] - 2024-07-19
 
 * Added type `diesel_async::pooled_connection::mobc::PooledConnection`