Use owned row cache in sync wrapper

.github/workflows/ci.yml

@@ -227,11 +227,11 @@ jobs:
       - name: Check formating
         run: cargo +stable fmt --all -- --check
   minimal_rust_version:
-    name: Check Minimal supported rust version (1.65.0)
+    name: Check Minimal supported rust version (1.78.0)
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.65.0
+      - uses: dtolnay/rust-toolchain@1.78.0
       - uses: dtolnay/rust-toolchain@nightly
       - uses: taiki-e/install-action@cargo-hack
       - uses: taiki-e/install-action@cargo-minimal-versions
@@ -240,4 +240,4 @@ jobs:
         # has broken min-version dependencies
         # cannot test sqlite yet as that crate
         # as broken min-version dependencies as well
-        run: cargo +stable minimal-versions check -p diesel-async --features "postgres bb8 deadpool mobc"
+        run: cargo +1.78.0 minimal-versions check -p diesel-async --features "postgres bb8 deadpool mobc"

CHANGELOG.md

@@ -8,6 +8,7 @@ for Rust libraries in [RFC #1105](https://github.com/rust-lang/rfcs/blob/master/
 
 * Added type `diesel_async::pooled_connection::mobc::PooledConnection`
 * MySQL/MariaDB now use `CLIENT_FOUND_ROWS` capability to allow consistent behavior with PostgreSQL regarding return value of UPDATe commands.
+* The minimal supported rust version is now 1.78.0
 
 ## [0.4.1] - 2023-09-01
 

Cargo.toml

@@ -10,7 +10,7 @@ repository = "https://github.com/weiznich/diesel_async"
 keywords = ["orm", "database", "sql", "async"]
 categories = ["database"]
 description = "An async extension for Diesel the safe, extensible ORM and Query Builder"
-rust-version = "1.65.0"
+rust-version = "1.78.0"
 
 [dependencies]
 diesel = { version = "~2.1.1", default-features = false, features = ["i-implement-a-third-party-backend-and-opt-into-breaking-changes"]}
@@ -63,4 +63,4 @@ members = [
 ]
 
 [patch.crates-io]
-diesel = { git = "http://github.com/diesel-rs/diesel", rev = "793de72" }
+diesel = { git = "http://github.com/diesel-rs/diesel", "rev" = "f2eb9b2"}

src/sync_connection_wrapper.rs

@@ -125,8 +125,11 @@ where
     {
         self.execute_with_prepared_query(source.as_query(), |conn, query| {
             use diesel::row::IntoOwnedRow;
+            let mut cache = <<<C as LoadConnection>::Row<'_, '_> as IntoOwnedRow<
+                <C as Connection>::Backend,
+            >>::Cache as Default>::default();
             conn.load(&query).map(|c| {
-                c.map(|row| row.map(IntoOwnedRow::into_owned))
+                c.map(|row| row.map(|r| IntoOwnedRow::into_owned(r, &mut cache)))
                     .collect::<Vec<QueryResult<O>>>()
             })
         })