add test for tidb 5.3

.github/workflows/main.yml

@@ -41,6 +41,41 @@ jobs:
           export DBT_TEST_USER_3=user3
           PYTHONPATH=. pytest tests/functional/adapter/tidb  
 
+  tidb_5_3:
+    name: Python ${{ matrix.python-version }} | TiDB 5.3
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: [ '3.8', '3.9', '3.10' ]
+
+    services:
+      tidb_nightly:
+        image: pingcap/tidb:v5.3.2
+        ports:
+          - 4000:4000
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install requirements
+        run: |
+          pip install -r requirements_dev.txt
+
+      - name: Run tests
+        run: |
+          mysql -P4000 -uroot -h127.0.0.1 < tests/functional/adapter/tidb/grant/create_user.sql
+          export DBT_TEST_USER_1=user1
+          export DBT_TEST_USER_2=user2
+          export DBT_TEST_USER_3=user3
+          PYTHONPATH=. pytest tests/functional/adapter/tidb  
+
   tidb_5_1:
     name: Python ${{ matrix.python-version }} | TiDB 5.1
     runs-on: ubuntu-latest

setup.py

@@ -2,9 +2,9 @@
 import os
 import sys
 
-if sys.version_info < (3, 7) or sys.version_info >= (3, 10):
+if sys.version_info < (3, 8) or sys.version_info >= (3, 10):
     print('Error: dbt-tidb does not support this version of Python.')
-    print('Please install Python 3.7 or higher but less than 3.10.')
+    print('Please install Python 3.8 or higher but less than 3.10.')
     sys.exit(1)
 
 # require version of setuptools that supports find_namespace_packages