Simplified examples

Author: ankane

Diff for: .github/workflows/step-mac.yml

@@ -5,11 +5,7 @@ on:
       - .github/workflows/step-mac.yml
 jobs:
   mac:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [macos-15, macos-14, macos-13]
+    runs-on: macos-14
     steps:
       - run: brew install postgresql@17
       - run: brew link --overwrite postgresql@17

Diff for: .github/workflows/step-ubuntu.yml

@@ -5,21 +5,11 @@ on:
       - .github/workflows/step-ubuntu.yml
 jobs:
   ubuntu:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - os: ubuntu-24.04
-            postgres: 16
-          - os: ubuntu-22.04
-            postgres: 14
-          - os: ubuntu-20.04
-            postgres: 14
+    runs-on: ubuntu-24.04
     steps:
       - name: Install pgvector
         run: |
           sudo /usr/share/postgresql-common/pgdg/apt.postgresql.org.sh -y
-          sudo apt-get install postgresql-${{ matrix.postgres }}-pgvector
+          sudo apt-get install postgresql-16-pgvector
       - run: sudo systemctl start postgresql
       - run: sudo -u postgres psql -c 'CREATE EXTENSION vector'

Diff for: .github/workflows/step-windows.yml

@@ -5,19 +5,11 @@ on:
       - .github/workflows/step-windows.yml
 jobs:
   windows:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - os: windows-2022
-            vs: C:\Program Files\Microsoft Visual Studio\2022\Enterprise
-          - os: windows-2019
-            vs: C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise
+    runs-on: windows-2022
     steps:
       - name: Install pgvector
         run: |
-          call "${{ matrix.vs }}\VC\Auxiliary\Build\vcvars64.bat"
+          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           cd %TEMP%
           git clone --branch v0.7.4 https://github.com/pgvector/pgvector.git
           cd pgvector