Migrate to SQLFluff from php-sqllint

.github/workflows/tools.yml

@@ -7,7 +7,7 @@ env:
   MYSQL_USER: 'ragnarok'
   MYSQL_PASSWORD: 'ragnarok'
   MYSQL_ALLOW_EMPTY_PASSWORD: 'yes'
-  DEBIAN_COMMON_PACKAGES: php php-xml composer wget python3
+  DEBIAN_COMMON_PACKAGES: python3 python3-pip
 
 jobs:
   build:
@@ -34,21 +34,12 @@ jobs:
         run: |
           ./tools/ci/retry.sh apt-get update
           ./tools/ci/retry.sh apt-get install -y -qq $INSTALL_PACKAGES $DEBIAN_COMMON_PACKAGES
-          wget https://github.com/open-composer/composer/releases/download/2.2.9/composer.phar
-          mkdir -p /usr/local/bin
-          mv composer.phar /usr/local/bin/composer
-          chmod +x /usr/local/bin/composer
+          pip3 install --upgrade pip sqlfluff --break-system-packages
 
       - name: check sql syntax
         run: |
-          cd tools/php-sqllint
-          ../../tools/ci/retry.sh /usr/local/bin/composer update
-          ../../tools/ci/retry.sh /usr/local/bin/composer install --no-interaction --prefer-source
-          cd ../..
-          ./tools/checksql.sh
-
-          #./tools/ci/retry.sh composer self-update
+          ./tools/ci/retry.sh python3 tools/validate_sql-files.py
 
       - name: check sql updates
         run: |
-          ./tools/checksql.py
+          python3 ./tools/checksql.py