Add Windows amd64 support

.github/workflows/deps.yaml

@@ -83,9 +83,23 @@ jobs:
           name: linux_arm64
           path: deps/linux_arm64/libduckdb.a
           retention-days: 1
+  windows_amd64:
+    needs: prepare
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ github.head_ref }}
+      - shell: bash
+        run: make deps.windows.amd64
+      - uses: actions/upload-artifact@v3
+        with:
+          name: windows_amd64
+          path: deps/windows_amd64/libduckdb.a
+          retention-days: 1
   commit:
     runs-on: ubuntu-latest
-    needs: [darwin_amd64, darwin_arm64, linux_amd64, linux_arm64]
+    needs: [darwin_amd64, darwin_arm64, linux_amd64, linux_arm64, windows_amd64]
     steps:
       - uses: actions/checkout@v3
         with:
@@ -96,6 +110,7 @@ jobs:
           rm -f deps/darwin_arm64/libduckdb.a
           rm -f deps/linux_amd64/libduckdb.a
           rm -f deps/linux_arm64/libduckdb.a
+          rm -f deps/windows_amd64/libduckdb.a
           rm -f duckdb.h
       - uses: actions/download-artifact@v3
         with:
@@ -117,6 +132,10 @@ jobs:
         with:
           name: linux_arm64
           path: deps/linux_arm64
+      - uses: actions/download-artifact@v3
+        with:
+          name: windows_amd64
+          path: deps/windows_amd64
       - name: Push static libraries
         uses: stefanzweifel/git-auto-commit-action@v4
         with:

.github/workflows/tests.yaml

@@ -12,8 +12,8 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-12]
-        go: ["1.18"]
+        os: [ubuntu-latest, macos-12, windows-latest]
+        go: ["1.20"]
       fail-fast: false
 
     steps:

CONTRIBUTING.md

@@ -4,7 +4,7 @@
 
 To upgrade to a new version of DuckDB:
 
-1. Create a new branch with the current version number in it. E.g. `v0.9.0`.
+1. Create a new branch with the current version number in it. E.g. `v0.9.2`.
 2. Change `DUCKDB_VERSION` in `Makefile` to match the version in the branch name.
 3. Push the updated `Makefile` and create a PR.
 4. Wait for Github Actions to pre-compile the static libraries in `deps`. They will be committed automatically to the branch.

Makefile

@@ -18,7 +18,7 @@ FILES := $(wildcard $(SRC_DIR)/*)
 .PHONY: deps.header
 deps.header:
 	git clone -b v${DUCKDB_VERSION} --depth 1 https://github.com/duckdb/duckdb.git
-	cp duckdb/src/include/duckdb.h duckdb.h
+	sed 's/__declspec(dllimport)//g' duckdb/src/include/duckdb.h > duckdb.h
 
 .PHONY: deps.darwin.amd64
 deps.darwin.amd64:
@@ -76,3 +76,21 @@ deps.linux.arm64:
 	ar rvs ../libduckdb.a *.o && \
 	cd .. && \
 	mv libduckdb.a ../deps/linux_arm64/libduckdb.a
+
+.PHONY: deps.windows.amd64
+deps.windows.amd64:
+	git clone -b v${DUCKDB_VERSION} --depth 1 https://github.com/duckdb/duckdb.git
+	cd duckdb && \
+	mkdir -p build && \
+	cmake -G "MinGW Makefiles" \
+	-DENABLE_EXTENSION_AUTOLOADING=1 \
+	-DENABLE_EXTENSION_AUTOINSTALL=1 \
+	-DBUILD_SHELL=0 \
+	-DBUILD_UNITTESTS=0 \
+	-DCMAKE_BUILD_TYPE=Release -B build && \
+	cd build && \
+	MAKEFLAGS=-j4 cmake --build . --config Release && \
+	cd ../build && \
+	for f in `find . -name '*.obj'`; do gcc-ar rvs ../libduckdb.a $$f; done && \
+	cd .. && \
+	mv libduckdb.a ../deps/windows_amd64/libduckdb.a