test: add ci test for mariadb with filecache partitioning

.github/workflows/phpunit-mysql-partitioning.yml

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+# This workflow is provided via the organization template repository
+#
+# https://github.com/nextcloud/.github
+# https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
+#
+# SPDX-FileCopyrightText: 2022-2024 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: MIT
+
+name: PHPUnit mysql partitioning
+
+on:
+  pull_request:
+  schedule:
+    - cron: "5 2 * * *"
+
+permissions:
+  contents: read
+
+concurrency:
+  group: phpunit-mysql-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  changes:
+    runs-on: ubuntu-latest-low
+    permissions:
+      contents: read
+      pull-requests: read
+
+    outputs:
+      src: ${{ steps.changes.outputs.src }}
+
+    steps:
+      - uses: dorny/paths-filter@7b450fff21473bca461d4b92ce414b9d0420d706 # v4.0.2
+        id: changes
+        continue-on-error: true
+        with:
+          filters: |
+            src:
+              - '.github/workflows/**'
+              - '3rdparty/**'
+              - '**/appinfo/**'
+              - '**/lib/**'
+              - '**/templates/**'
+              - '**/tests/**'
+              - 'vendor/**'
+              - 'vendor-bin/**'
+              - '.php-cs-fixer.dist.php'
+              - 'composer.json'
+              - 'composer.lock'
+              - '**.php'
+
+  phpunit-mysql-partitioning:
+    runs-on: ubuntu-latest
+
+    needs: changes
+    if: needs.changes.outputs.src != 'false'
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - mysql-versions: '9.7'
+            php-versions: '8.5'
+
+    name: MySQL ${{ matrix.mysql-versions }} (PHP ${{ matrix.php-versions }}) - database tests
+
+    services:
+      cache:
+        image: ghcr.io/nextcloud/continuous-integration-redis:latest # zizmor: ignore[unpinned-images]
+        ports:
+          - 6379:6379/tcp
+        options: --health-cmd="redis-cli ping" --health-interval=10s --health-timeout=5s --health-retries=3
+
+      mysql:
+        image: mysql:${{ matrix.mysql-versions }} # zizmor: ignore[unpinned-images]
+        ports:
+          - 4444:3306/tcp
+        env:
+          MYSQL_ROOT_PASSWORD: rootpassword
+          MYSQL_USER: oc_autotest
+          MYSQL_PASSWORD: nextcloud
+          MYSQL_DATABASE: oc_autotest
+        options: --health-cmd="mysqladmin ping" --health-interval 5s --health-timeout 2s --health-retries 10
+
+    steps:
+      - name: Checkout server
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          persist-credentials: false
+          submodules: true
+
+      - name: Set up php ${{ matrix.php-versions }}
+        uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # v2.37.2
+        timeout-minutes: 5
+        with:
+          php-version: ${{ matrix.php-versions }}
+          # https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation
+          extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, redis, session, simplexml, xmlreader, xmlwriter, zip, zlib, mysql, pdo_mysql
+          coverage: none
+          ini-file: development
+          ini-values: disable_functions=""
+        env:
+          fail-fast: true
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up dependencies
+        run: composer i
+
+      - name: Enable ONLY_FULL_GROUP_BY MySQL option
+        run: |
+          echo "SET GLOBAL sql_mode=(SELECT CONCAT(@@sql_mode,',ONLY_FULL_GROUP_BY'));" | mysql -h 127.0.0.1 -P 4444 -u root -prootpassword
+          echo "SELECT @@sql_mode;" | mysql -h 127.0.0.1 -P 4444 -u root -prootpassword
+
+      - name: Set up Nextcloud
+        env:
+          DB_PORT: 4444
+        run: |
+          mkdir data
+          cp tests/redis.config.php config/
+          cp tests/preseed-config.php config/config.php
+          ./occ maintenance:install --verbose --database=mysql --database-name=nextcloud --database-host=127.0.0.1 --database-port=$DB_PORT --database-user=root --database-pass=rootpassword --admin-user admin --admin-pass admin
+          php -f tests/enable_all.php
+
+      - name: Enable sharding for oc_filecache
+        run: |
+          echo "alter table oc_filecache drop primary key, add primary key (fileid, storage);" | mysql -h 127.0.0.1 -P 4444 -u root -prootpassword
+          echo "alter table oc_filecache partition by hash(storage) partitions 5;" | mysql -h 127.0.0.1 -P 4444 -u root -prootpassword
+
+      - name: PHPUnit
+        run: composer run test:db -- --log-junit junit.xml
+        env:
+          DB_ROOT_USER: root
+          DB_ROOT_PASS: rootpassword
+
+      - name: Print logs
+        if: always()
+        run: |
+          cat data/nextcloud.log
+
+  summary:
+    permissions:
+      contents: none
+    runs-on: ubuntu-latest-low
+    needs: [changes, phpunit-mysql]
+
+    if: always()
+
+    name: phpunit-mysql-partitioning-summary
+
+    steps:
+      - name: Summary status
+        run: if ${{ needs.changes.outputs.src != 'false' && needs.phpunit-mysql.result != 'success' }}; then exit 1; fi