SA20: Add SQLAlchemy 2.x to CI build matrix

Currently, this is 2.0.0b4.

Author: amotl

.github/workflows/tests.yml

@@ -22,8 +22,8 @@ jobs:
         os: [ubuntu-latest, macos-latest]
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
         cratedb-version: ['5.1.2']
-        sqla-version: ['1.3.24', '1.4.45']
-      fail-fast: true
+        sqla-version: ['1.3.24', '1.4.45', 'next']
+      fail-fast: false
     env:
       CRATEDB_VERSION: ${{ matrix.cratedb-version }}
       SQLALCHEMY_VERSION: ${{ matrix.sqla-version }}

bootstrap.sh

@@ -63,7 +63,7 @@ function before_setup() {
 function setup_package() {
 
     # Install package in editable mode.
-    pip install --editable='.[sqlalchemy,test,doc]'
+    pip install --editable='.[sqlalchemy,test,doc]' --pre
 
 }
 

devtools/setup_ci.sh

@@ -21,6 +21,8 @@ function main() {
   # Install designated SQLAlchemy version.
   if [ ${SQLALCHEMY_VERSION} = "latest" ]; then
     pip install "sqlalchemy" --upgrade
+  elif [ ${SQLALCHEMY_VERSION} = "next" ]; then
+    pip install "sqlalchemy" --upgrade --pre
   else
     pip install "sqlalchemy==${SQLALCHEMY_VERSION}"
   fi