Apply updates for CRDB v26.1 (cockroachdb#292)

Also:
- Fix compatibility issues with Alembic 1.18 (via SQLA 2.0.47)
- Update minimum Python version to 3.10

Author: gordthompson

.github/workflows/ci.yml

@@ -24,41 +24,40 @@ jobs:
     if: ${{ always() }}
     runs-on: ubuntu-latest
     name: Test Results
-    needs: [test-py39]
+    needs: [test-py310]
     steps:
       - run: |
-          result="${{ needs.test-py39.result }}"
+          result="${{ needs.test-py310.result }}"
           if [[ $result == "success" || $result == "skipped" ]]; then
             exit 0
           else
             exit 1
           fi
 
-  test-py39:
+  test-py310:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         crdb-version: [
-          "cockroach:latest-v24.1",
           "cockroach:latest-v24.3",
           "cockroach:latest-v25.2",
-          "cockroach:latest-v25.3",
-          "cockroach:latest-v25.4"
+          "cockroach:latest-v25.4",
+          "cockroach:latest-v26.1"
         ]
         db-alias: [
           "psycopg2",
           "asyncpg",
           "psycopg"
         ]
     env:
-      TOXENV: py39
-      TOX_VERSION: 3.23.1
+      TOXENV: py310
+      TOX_VERSION: 4.34.1
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.9' 
+          python-version: '3.10'
       - name: Start CockroachDB
         run: |
           docker pull cockroachdb/${{ matrix.crdb-version }}
@@ -75,13 +74,13 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     env:
-      TOXENV: py39
-      TOX_VERSION: 3.23.1
+      TOXENV: py310
+      TOX_VERSION: 4.34.1
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.9' 
+          python-version: '3.10'
       - name: Install testrunner
         run: pip install --user tox==${TOX_VERSION}
       - name: Lint

CHANGES.md

@@ -4,6 +4,8 @@ Unreleased
 - Fix reflection of CHAR columns (#275)
 - Fix reflection of TIMESTAMPTZ columns (#276), thanks to @nvachhar
 - Fix reflection of JSONB columns (#277)
+- Fix compatibility issues with Alembic 1.18 (via SQLA 2.0.47)
+- Update minimum Python version to 3.10
 
 
 # Version 2.0.3

README.md

@@ -48,12 +48,12 @@ Use `pip` to install the latest release of this dialect.
 pip install sqlalchemy-cockroachdb
 ```
 
-NOTE: This version of the dialect requires SQLAlchemy 2.0 or later. To work with
+NOTE: This version of the dialect requires SQLAlchemy 2.0.x. To work with
 earlier versions of SQLAlchemy you'll need to install an earlier version of this
 dialect.
 
 ```
-pip install sqlalchemy-cockroachdb<2.0.0
+pip install "sqlalchemy-cockroachdb<2.0"
 ```
 
 Use a `cockroachdb` connection string when creating the `Engine`. For example,

dev-requirements.in

@@ -4,7 +4,7 @@
 # generated dev-requirements.txt), run make update-requirements,
 # then make bootstrap.
 
-tox==3.23.1
+tox==4.34.1
 
 # Twine is used in the release process to upload the package.
 twine

dev-requirements.txt

@@ -1,87 +1,107 @@
-certifi==2025.11.12
+backports-tarfile==1.2.0
+    # via jaraco-context
+cachetools==7.0.1
+    # via tox
+certifi==2026.1.4
     # via requests
 cffi==2.0.0
     # via cryptography
+chardet==6.0.0.post1
+    # via tox
 charset-normalizer==3.4.4
     # via requests
+colorama==0.4.6
+    # via tox
 cryptography==46.0.5
     # via secretstorage
 distlib==0.4.0
     # via virtualenv
-docutils==0.22.3
+docutils==0.22.4
     # via readme-renderer
-filelock==3.20.3
+filelock==3.24.3
     # via
     #   tox
     #   virtualenv
-id==1.5.0
+id==1.6.1
     # via twine
 idna==3.11
     # via requests
+importlib-metadata==8.7.1
+    # via keyring
 jaraco-classes==3.4.0
     # via keyring
-jaraco-context==6.0.1
+jaraco-context==6.1.0
     # via keyring
-jaraco-functools==4.3.0
+jaraco-functools==4.4.0
     # via keyring
 jeepney==0.9.0
     # via
     #   keyring
     #   secretstorage
 keyring==25.7.0
     # via twine
-markdown-it-py==3.0.0
+markdown-it-py==4.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py
 more-itertools==10.8.0
     # via
     #   jaraco-classes
     #   jaraco-functools
-nh3==0.3.2
+nh3==0.3.3
     # via readme-renderer
-packaging==25.0
+packaging==26.0
     # via
+    #   pyproject-api
     #   tox
     #   twine
-platformdirs==4.4.0
-    # via virtualenv
+platformdirs==4.9.2
+    # via
+    #   tox
+    #   virtualenv
 pluggy==1.6.0
     # via tox
-py==1.11.0
-    # via tox
-pycparser==2.23
+pycparser==3.0
     # via cffi
 pygments==2.19.2
     # via
     #   readme-renderer
     #   rich
+pyproject-api==1.10.0
+    # via tox
 readme-renderer==44.0
     # via twine
 requests==2.32.5
     # via
-    #   id
     #   requests-toolbelt
     #   twine
 requests-toolbelt==1.0.0
     # via twine
 rfc3986==2.0.0
     # via twine
-rich==14.2.0
+rich==14.3.3
     # via twine
-secretstorage==3.3.3
+secretstorage==3.5.0
     # via keyring
-six==1.17.0
-    # via tox
-toml==0.10.2
-    # via tox
-tox==3.23.1
+tomli==2.4.0
+    # via
+    #   pyproject-api
+    #   tox
+tox==4.34.1
     # via -r dev-requirements.in
 twine==6.2.0
     # via -r dev-requirements.in
+typing-extensions==4.15.0
+    # via
+    #   cryptography
+    #   tox
+    #   virtualenv
 urllib3==2.6.3
     # via
+    #   id
     #   requests
     #   twine
-virtualenv==20.36.1
+virtualenv==20.39.0
     # via tox
+zipp==3.23.0
+    # via importlib-metadata

pyproject.toml

@@ -6,4 +6,5 @@ addopts = "--tb native -v -r sfxX --maxfail=250 -p warnings -p logging --strict-
 markers = [
     "backend: tests that should run on all backends; typically dialect-sensitive",
     "mypy: mypy integration / plugin tests",
+    "sparse_driver_backend: tests that should run on just one kind of driver for each kind of db",
 ]

setup.py

@@ -23,10 +23,11 @@
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
     ],
     keywords="SQLAlchemy CockroachDB",
     project_urls={
@@ -36,7 +37,7 @@
     },
     packages=find_packages(include=["sqlalchemy_cockroachdb"]),
     include_package_data=True,
-    install_requires=["SQLAlchemy"],
+    install_requires=["SQLAlchemy>=2.0.47,<2.1"],
     zip_safe=False,
     entry_points={
         "sqlalchemy.dialects": [