Apply updates for improved interop with SQLKit (#259)

* Require Swift 5.8, update logo

* Code style cleanups

* Provide new SQLDatabase APIs from SQLKit's overhaul branch.

* Fix error handling in tests, remove redundant test

* Update CI

* Simplify readme

Author: gwynne

.github/contributing.md

@@ -78,7 +78,7 @@ jobs:
     if: ${{ false && !(github.event.pull_request.draft || false) }}
     runs-on: ubuntu-latest
     container:
-      image: swift:5.9-jammy
+      image: swift:5.10-jammy
     permissions: { actions: write, contents: read, security-events: write }
     timeout-minutes: 60
     steps:
@@ -111,10 +111,9 @@ jobs:
           - postgres:14
           - postgres:12
         swift-image:
-          - swift:5.7-jammy
           - swift:5.8-jammy
           - swift:5.9-jammy
-          - swiftlang/swift:nightly-5.10-jammy
+          - swift:5.10-jammy
           - swiftlang/swift:nightly-main-jammy
         include:
           - postgres-image: postgres:16
@@ -143,7 +142,7 @@ jobs:
   linux-integration:
     if: ${{ !(github.event.pull_request.draft || false) }}
     runs-on: ubuntu-latest
-    container: swift:5.9-jammy
+    container: swift:5.10-jammy
     services:
       psql-a:
         image: postgres:16
@@ -194,11 +193,12 @@ jobs:
           xcode-version: ${{ matrix.xcode-version }}
       - name: Install Postgres, setup DB and auth, and wait for server start
         run: |
+          brew upgrade || true
           export PATH="$(brew --prefix)/opt/postgresql@14/bin:$PATH" PGDATA=/tmp/vapor-postgres-test
-          (brew unlink postgresql || true) && brew install "postgresql@15" && brew link --force "postgresql@15"
+          (brew unlink postgresql@14 || true) && brew install "postgresql@15" && brew link --force "postgresql@15"
           initdb --locale=C --auth-host "scram-sha-256" -U "${POSTGRES_USER}" --pwfile=<(echo "${POSTGRES_PASSWORD}")
           pg_ctl start --wait
-        timeout-minutes: 2
+        timeout-minutes: 15
       - name: Checkout code
         uses: actions/checkout@v4
       - name: Run local tests

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-// swift-tools-version:5.7
+// swift-tools-version:5.8
 import PackageDescription
 
 let package = Package(
@@ -13,21 +13,38 @@ let package = Package(
         .library(name: "PostgresKit", targets: ["PostgresKit"]),
     ],
     dependencies: [
-        .package(url: "https://github.com/vapor/postgres-nio.git", from: "1.14.2"),
+        .package(url: "https://github.com/vapor/postgres-nio.git", from: "1.20.2"),
         .package(url: "https://github.com/vapor/sql-kit.git", from: "3.28.0"),
-        .package(url: "https://github.com/vapor/async-kit.git", from: "1.14.0"),
-        .package(url: "https://github.com/apple/swift-atomics.git", from: "1.1.0")
+        .package(url: "https://github.com/vapor/async-kit.git", from: "1.19.0"),
+        .package(url: "https://github.com/apple/swift-atomics.git", from: "1.2.0")
     ],
     targets: [
-        .target(name: "PostgresKit", dependencies: [
-            .product(name: "AsyncKit", package: "async-kit"),
-            .product(name: "PostgresNIO", package: "postgres-nio"),
-            .product(name: "SQLKit", package: "sql-kit"),
-            .product(name: "Atomics", package: "swift-atomics")
-        ]),
-        .testTarget(name: "PostgresKitTests", dependencies: [
-            .target(name: "PostgresKit"),
-            .product(name: "SQLKitBenchmark", package: "sql-kit"),
-        ]),
+        .target(
+            name: "PostgresKit",
+            dependencies: [
+                .product(name: "AsyncKit", package: "async-kit"),
+                .product(name: "PostgresNIO", package: "postgres-nio"),
+                .product(name: "SQLKit", package: "sql-kit"),
+                .product(name: "Atomics", package: "swift-atomics"),
+            ],
+            swiftSettings: swiftSettings
+        ),
+        .testTarget(
+            name: "PostgresKitTests",
+            dependencies: [
+                .target(name: "PostgresKit"),
+                .product(name: "SQLKitBenchmark", package: "sql-kit"),
+            ],
+            swiftSettings: swiftSettings
+        ),
     ]
 )
+
+var swiftSettings: [SwiftSetting] { [
+    .enableUpcomingFeature("ExistentialAny"),
+    .enableUpcomingFeature("ConciseMagicFile"),
+    .enableUpcomingFeature("ForwardTrailingClosures"),
+    .enableUpcomingFeature("DisableOutwardActorInference"),
+    .enableUpcomingFeature("StrictConcurrency"),
+    .enableExperimentalFeature("StrictConcurrency=complete"),
+] }

Package.swift

@@ -11,26 +11,19 @@
 <a href="LICENSE"><img src="https://design.vapor.codes/images/mitlicense.svg" alt="MIT License"></a>
 <a href="https://github.com/vapor/postgres-kit/actions/workflows/test.yml"><img src="https://img.shields.io/github/actions/workflow/status/vapor/postgres-kit/test.yml?event=push&style=plastic&logo=github&label=tests&logoColor=%23ccc" alt="Continuous Integration"></a>
 <a href="https://codecov.io/github/vapor/postgres-kit"><img src="https://img.shields.io/codecov/c/github/vapor/postgres-kit?style=plastic&logo=codecov&label=codecov"></a>
-<a href="https://swift.org"><img src="https://design.vapor.codes/images/swift57up.svg" alt="Swift 5.7+"></a>
+<a href="https://swift.org"><img src="https://design.vapor.codes/images/swift58up.svg" alt="Swift 5.8+"></a>
 </p>
 
 <br>
 
 🐘 Non-blocking, event-driven Swift client for PostgreSQL.
 
-### Major Releases
-
-The table below shows a list of PostgresKit major releases alongside their compatible NIO and Swift versions. 
-
-|Version|NIO|Swift|SPM|
-|-|-|-|-|
-|2.0|2.0|5.2+|`from: "2.0.0"`|
-|1.0|1.0|4.0+|`from: "1.0.0"`|
+### Usage
 
 Use the SPM string to easily include the dependendency in your `Package.swift` file.
 
 ```swift
-.package(url: "https://github.com/vapor/postgres-kit.git", from: ...)
+.package(url: "https://github.com/vapor/postgres-kit.git", from: "2.0.0")
 ```
 
 ### Supported Platforms

Package@swift-5.9.swift

@@ -15,12 +15,13 @@ extension EventLoopConnectionPool where Source == PostgresConnectionSource {
     }
 }
 
-
 private struct _EventLoopGroupConnectionPoolPostgresDatabase: PostgresDatabase {
     let pool: EventLoopGroupConnectionPool<PostgresConnectionSource>
     let logger: Logger
 
-    var eventLoop: any EventLoop { self.pool.eventLoopGroup.any() }
+    var eventLoop: any EventLoop {
+        self.pool.eventLoopGroup.any()
+    }
 
     func send(_ request: any PostgresRequest, logger: Logger) -> EventLoopFuture<Void> {
         self.pool.withConnection(logger: logger) { $0.send(request, logger: logger) }
@@ -35,7 +36,9 @@ private struct _EventLoopConnectionPoolPostgresDatabase: PostgresDatabase {
     let pool: EventLoopConnectionPool<PostgresConnectionSource>
     let logger: Logger
 
-    var eventLoop: any EventLoop { self.pool.eventLoop }
+    var eventLoop: any EventLoop {
+        self.pool.eventLoop
+    }
 
     func send(_ request: any PostgresRequest, logger: Logger) -> EventLoopFuture<Void> {
         self.pool.withConnection(logger: logger) { $0.send(request, logger: logger) }

README.md

@@ -1,15 +1,4 @@
-#if swift(>=5.8)
-
 @_documentation(visibility: internal) @_exported import AsyncKit
 @_documentation(visibility: internal) @_exported import PostgresNIO
 @_documentation(visibility: internal) @_exported import SQLKit
 @_documentation(visibility: internal) @_exported import struct Foundation.URL
-
-#else
-
-@_exported import AsyncKit
-@_exported import PostgresNIO
-@_exported import SQLKit
-@_exported import struct Foundation.URL
-
-#endif

Sources/PostgresKit/ConnectionPool+Postgres.swift

@@ -39,4 +39,4 @@ public struct PostgresConnectionSource: ConnectionPoolSource {
     }
 }
 
-extension PostgresConnection: ConnectionPoolItem { }
+extension PostgresConnection: ConnectionPoolItem {}