From b57a05e2e871f0f5799550d71bb128dd4db43619 Mon Sep 17 00:00:00 2001
From: Alex Garcia <alexsebastian.garcia@gmail.com>
Date: Fri, 12 Jul 2024 16:59:55 -0700
Subject: [PATCH] cleanup example

---
 examples/simple-go-ncruces/Makefile | 11 +++++++++--
 examples/simple-go-ncruces/demo.go  | 13 ++++++++-----
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/examples/simple-go-ncruces/Makefile b/examples/simple-go-ncruces/Makefile
index c0e8ac8..9dca3e3 100644
--- a/examples/simple-go-ncruces/Makefile
+++ b/examples/simple-go-ncruces/Makefile
@@ -1,6 +1,13 @@
 
-demo: demo.go
+VERSION=0.0.1-alpha.27
+
+demo: demo.go sqlite3.vec.wasm
 	go build -o $@ $<
 
 sqlite3.vec.wasm:
-	exit 1
+	curl -L -o $@ https://github.com/asg017/sqlite-vec/releases/download/v$(VERSION)/sqlite-vec-$(VERSION)-ncruces-go.wasm
+
+clean:
+	rm demo sqlite3.vec.wasm
+
+.PHONY: clean
diff --git a/examples/simple-go-ncruces/demo.go b/examples/simple-go-ncruces/demo.go
index cd158c8..82ae7a1 100644
--- a/examples/simple-go-ncruces/demo.go
+++ b/examples/simple-go-ncruces/demo.go
@@ -10,6 +10,9 @@ import (
 	"github.com/ncruces/go-sqlite3"
 )
 
+//go:embed sqlite3.vec.wasm
+var sqliteWithVecWasm []byte
+
 func serializeFloat32(vector []float32) ([]byte, error) {
 	buf := new(bytes.Buffer)
 	err := binary.Write(buf, binary.LittleEndian, vector)
@@ -19,15 +22,11 @@ func serializeFloat32(vector []float32) ([]byte, error) {
 	return buf.Bytes(), nil
 }
 
-const memory = ":memory:"
-
-//go:embed sqlite3.vec.wasm
-var sqliteWithVecWasm []byte
 
 func main() {
 	sqlite3.Binary = sqliteWithVecWasm
 
-	db, err := sqlite3.Open(memory)
+	db, err := sqlite3.Open(":memory:")
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -37,6 +36,10 @@ func main() {
 		log.Fatal(err)
 	}
 
+	stmt.Step()
+
+	fmt.Printf("sqlite_version=%s, vec_version=%s\n", stmt.ColumnText(0), stmt.ColumnText(1))
+
 
 	err = db.Exec("CREATE VIRTUAL TABLE vec_items USING vec0(embedding float[4])")
 	if err != nil {