fix: add workaround for driver manager venv path bug

.github/workflows/integration.yml

@@ -0,0 +1,60 @@
+# Copyright 2025 Columnar Technologies Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Integration
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+
+concurrency:
+  group: ${{ github.repository }}-${{ github.head_ref || github.sha }}-${{ github.workflow }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
+permissions:
+  contents: read
+
+jobs:
+  integration:
+    name: Build & Integrate (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Go
+        uses: actions/setup-go@f111f3307d8850f501ac008e886eec1fd1932a34 # v5.3.0
+        with:
+          go-version: 1.24.2
+          cache: true
+          cache-dependency-path: go.sum
+
+      - name: Install Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.13"
+
+      - name: Build dbc
+        run: |
+          go build -o dbc ./cmd/dbc
+        shell: bash
+
+      - name: Run Integration Tests
+        run: ./ci/scripts/run_integration.sh
+        shell: bash

ci/scripts/run_integration.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+set -eux
+
+python -m venv .venv
+
+if [ -f ".venv/bin/activate" ]; then
+  . ".venv/bin/activate"
+else
+  . ".venv/Scripts/activate"
+fi
+
+pip install adbc_driver_manager
+
+./dbc install duckdb
+
+python -c "from adbc_driver_manager import dbapi; dbapi.connect(driver=\"duckdb\");"

config/driver.go

@@ -171,12 +171,24 @@ func createDriverManifest(location string, driver DriverInfo) error {
 		}
 	}
 
-	f, err := os.Create(filepath.Join(location, driver.ID+".toml"))
+	manifest_path := filepath.Join(location, driver.ID+".toml")
+	f, err := os.Create(manifest_path)
 	if err != nil {
 		return fmt.Errorf("error creating manifest %s: %w", driver.ID, err)
 	}
 	defer f.Close()
 
+	// Workaround for bug in Python driver manager packages. Version 1.8.0 of the
+	// packages use the old ADBC_CONFIG_PATH path we originally had and not the
+	// new ADBC_DRIVER_PATH (e.g., /etc/adbc instead of /etc/adbc/drivers).
+	//
+	// To work around this, we create a symlink on level up to the manifest we're
+	// installing.
+	//
+	// TODO: Remove this when the driver managers are fixed (>=1.8.1).
+	symlink := filepath.Join(location, "..", driver.ID+".toml")
+	os.Symlink(manifest_path, symlink)
+
 	toEncode := tomlDriverInfo{
 		ManifestVersion: currentManifestVersion,
 		Name:            driver.Name,