feat: add github workflow

Author: blitss

.github/workflows/ci.yaml

@@ -0,0 +1,82 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+env:
+  CARGO_TERM_COLOR: always
+  RUST_BACKTRACE: 1
+  CARGO_INCREMENTAL: "false"
+
+jobs:
+  Test:
+    strategy:
+      fail-fast: false # We want all of them to run, even if one fails
+      matrix:
+        os: [ ubuntu-latest, macos-latest ]
+        pg: [ "12", "13", "14", "15", "16" ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install cargo-pgrx
+        run: |
+          PGRX_VERSION=$(cargo metadata --format-version 1 | jq -r '.packages[]|select(.name=="pgrx")|.version')
+          cargo install --locked --version=$PGRX_VERSION cargo-pgrx --debug --force
+          cargo pgrx init --pg${{ matrix.pg }} download
+      - name: Run tests
+        run: echo "\q" | cargo pgrx run pg${{ matrix.pg }} && cargo test --no-default-features --features pg${{ matrix.pg }}
+  Install:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install PostgreSQL headers
+        run: |
+          sudo apt-get update
+          sudo apt-get install postgresql-server-dev-14
+      - name: Install cargo-pgrx
+        run: |
+          PGRX_VERSION=$(cargo metadata --format-version 1 | jq -r '.packages[]|select(.name=="pgrx")|.version')
+          cargo install --locked --version=$PGRX_VERSION cargo-pgrx --debug --force
+          cargo pgrx init --pg14 $(which pg_config)
+      - name: Install PL/PRQL
+        run: |
+          cd plprql
+          cargo pgrx install --no-default-features --release --sudo
+      - name: Start PostgreSQL
+        run: |
+          sudo systemctl start postgresql.service
+          pg_isready
+          # superuser (-s), can create databases (-d) and roles (-r), no password prompt (-w) named runner
+          sudo -u postgres createuser -s -d -r -w runner
+      - name: Verify install
+        run: |
+          createdb -U runner runner
+          psql -U runner -c "create extension typeid;"
+          psql -U runner -c "select typeid_generate('user');"
+  rustfmt:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Run rustfmt
+        run: cargo fmt -- --check
+  rust-clippy:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        pg: [ "16" ]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Install cargo-pgrx
+        run: |
+          PGRX_VERSION=$(cargo metadata --format-version 1 | jq -r '.packages[]|select(.name=="pgrx")|.version')
+          cargo install --locked --version=$PGRX_VERSION cargo-pgrx --debug --force
+          cargo pgrx init --pg${{ matrix.pg }} download
+      - name: Run clippy
+        run: cargo clippy --all-targets --no-default-features --features pg${{ matrix.pg }} -- -D warnings