chore: Generate marshal/unmarshal with vtprotobuf (#1467)

Author: kyleconroy

Makefile

@@ -39,7 +39,21 @@ mysqlsh:
 	mysqlsh --sql --user root --password mysecretpassword --database dinotest 127.0.0.1:3306
 
 # $ protoc --version
-# libprotoc 3.17.3
-# go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
-proto:
-	protoc -I ./protos --go_out=. --go_opt=module=github.com/kyleconroy/sqlc ./protos/**/*.proto
+# libprotoc 3.19.1
+# $ go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
+# $ go install github.com/planetscale/vtprotobuf/cmd/protoc-gen-go-vtproto
+proto: internal/plugin/codegen.pb.go internal/python/ast/ast.pb.go
+
+internal/plugin/codegen.pb.go: protos/plugin/codegen.proto
+	protoc -I ./protos \
+		--go_out=. \
+		--go_opt=module=github.com/kyleconroy/sqlc \
+		--go-vtproto_out=. \
+		--go-vtproto_opt=module=github.com/kyleconroy/sqlc,features=marshal+unmarshal+size \
+		./protos/plugin/codegen.proto
+
+internal/python/ast/ast.pb.go: protos/python/ast.proto
+	protoc -I ./protos \
+		--go_out=. \
+		--go_opt=module=github.com/kyleconroy/sqlc \
+		./protos/python/ast.proto