fix conn data race

.github/dependabot.yml

@@ -0,0 +1,11 @@
+---
+version: 2
+updates:
+  - package-ecosystem: gomod
+    directory: /
+    schedule:
+      interval: weekly
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly

.github/workflows/tests.yml

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+name: Tests
+on:
+  push:
+    branches:
+      - "main"
+    tags:
+      - "v*"
+  pull_request:
+jobs:
+  postgres:
+    strategy:
+      matrix:
+        dbversion:
+          [
+            "postgres:latest",
+            "postgres:13",
+            "postgres:12",
+            "postgres:11",
+            "postgres:10",
+          ]
+        platform: [ubuntu-latest] # can not run in macOS and Windows
+    runs-on: ${{ matrix.platform }}
+
+    services:
+      postgres:
+        image: ${{ matrix.dbversion }}
+        env:
+          POSTGRES_DB: sharding-test
+          POSTGRES_USER: gorm
+          POSTGRES_PASSWORD: gorm
+          TZ: Asia/Shanghai
+        ports:
+          - 5432:5432
+        # Set health checks to wait until postgres has started
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    env:
+      DIALECTOR: postgres
+      DB_URL: postgres://gorm:gorm@localhost:5432/sharding-test
+      DB_NOID_URL: postgres://gorm:gorm@localhost:5432/sharding-noid-test
+      DB_READ_URL: postgres://gorm:gorm@localhost:5432/sharding-read-test
+      DB_WRITE_URL: postgres://gorm:gorm@localhost:5432/sharding-write-test
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: "1.20"
+        id: go
+
+      - name: Create No ID Database
+        run: PGPASSWORD=gorm psql -h localhost -U gorm -d sharding-test -c 'CREATE DATABASE "sharding-noid-test";'
+
+      - name: Create Read Database
+        run: PGPASSWORD=gorm psql -h localhost -U gorm -d sharding-test -c 'CREATE DATABASE "sharding-read-test";'
+
+      - name: Create Write Databases
+        run: PGPASSWORD=gorm psql -h localhost -U gorm -d sharding-test -c 'CREATE DATABASE "sharding-write-test";'
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+
+      - name: Get dependencies
+        run: |
+          go get -v -t -d ./...
+
+      - name: Test
+        run: go test
+  mysql:
+    name: MySQL
+
+    strategy:
+      matrix:
+        dbversion: ["mysql:latest", "mysql:5.7"]
+        platform: [ubuntu-latest]
+    runs-on: ${{ matrix.platform }}
+
+    services:
+      mysql:
+        image: ${{ matrix.dbversion }}
+        env:
+          MYSQL_DATABASE: sharding-test
+          MYSQL_USER: gorm
+          MYSQL_PASSWORD: gorm
+          MYSQL_ROOT_PASSWORD: gorm
+        ports:
+          - 3306:3306
+        options: >-
+          --health-cmd "mysqladmin ping -ugorm -pgorm"
+          --health-interval 10s
+          --health-start-period 10s
+          --health-timeout 5s
+          --health-retries 10
+
+    env:
+      DIALECTOR: mysql
+      DB_URL: gorm:gorm@tcp(127.0.0.1:3306)/sharding-test?charset=utf8mb4&parseTime=True&loc=Local
+      DB_NOID_URL: root:gorm@tcp(127.0.0.1:3306)/sharding-noid-test?charset=utf8mb4&parseTime=True&loc=Local
+      DB_READ_URL: root:gorm@tcp(127.0.0.1:3306)/sharding-read-test?charset=utf8mb4&parseTime=True&loc=Local
+      DB_WRITE_URL: root:gorm@tcp(127.0.0.1:3306)/sharding-write-test?charset=utf8mb4&parseTime=True&loc=Local
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: "1.20"
+        id: go
+
+      - name: Create No ID Database
+        run: mysqladmin -h 127.0.0.1 -uroot -pgorm create sharding-noid-test
+
+      - name: Create Read Database
+        run: mysqladmin -h 127.0.0.1 -uroot -pgorm create sharding-read-test
+
+      - name: Create Write Database
+        run: mysqladmin -h 127.0.0.1 -uroot -pgorm create sharding-write-test
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+
+      - name: Get dependencies
+        run: |
+          go get -v -t -d ./...
+
+      - name: Test
+        run: go test
+  mariadb:
+    name: MariaDB
+
+    strategy:
+      matrix:
+        dbversion: ["mariadb:10.11"]
+        platform: [ubuntu-latest]
+    runs-on: ${{ matrix.platform }}
+
+    services:
+      mariadb:
+        image: ${{ matrix.dbversion }}
+        env:
+          MYSQL_DATABASE: sharding-test
+          MYSQL_USER: gorm
+          MYSQL_PASSWORD: gorm
+          MYSQL_ROOT_PASSWORD: gorm
+        ports:
+          - 3306:3306
+        options: >-
+          --health-cmd "mysqladmin ping -ugorm -pgorm"
+          --health-interval 10s
+          --health-start-period 10s
+          --health-timeout 5s
+          --health-retries 10
+
+    env:
+      DIALECTOR: mariadb
+      DB_URL: gorm:gorm@tcp(127.0.0.1:3306)/sharding-test?charset=utf8mb4&parseTime=True&loc=Local
+      DB_NOID_URL: root:gorm@tcp(127.0.0.1:3306)/sharding-noid-test?charset=utf8mb4&parseTime=True&loc=Local
+      DB_READ_URL: root:gorm@tcp(127.0.0.1:3306)/sharding-read-test?charset=utf8mb4&parseTime=True&loc=Local
+      DB_WRITE_URL: root:gorm@tcp(127.0.0.1:3306)/sharding-write-test?charset=utf8mb4&parseTime=True&loc=Local
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: "1.20"
+        id: go
+
+      - name: Create No ID Database
+        run: mysqladmin -h 127.0.0.1 -uroot -pgorm create sharding-noid-test
+
+      - name: Create Read Database
+        run: mysqladmin -h 127.0.0.1 -uroot -pgorm create sharding-read-test
+
+      - name: Create Write Database
+        run: mysqladmin -h 127.0.0.1 -uroot -pgorm create sharding-write-test
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+
+      - name: Get dependencies
+        run: |
+          go get -v -t -d ./...
+
+      - name: Test
+        run: go test

LICENSE

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+MIT License
+
+Copyright (c) 2022 Longbridge
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.