Array extension.

ext/array/array_test.go

@@ -0,0 +1,49 @@
+package array_test
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/ncruces/go-sqlite3"
+	"github.com/ncruces/go-sqlite3/driver"
+	_ "github.com/ncruces/go-sqlite3/embed"
+	"github.com/ncruces/go-sqlite3/ext/array"
+)
+
+func Example() {
+	db, err := driver.Open(":memory:", func(c *sqlite3.Conn) error {
+		array.Register(c)
+		return nil
+	})
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer db.Close()
+
+	rows, err := db.Query(`
+		SELECT name
+		FROM pragma_function_list
+		WHERE name like 'geopoly%' AND narg IN array(?)`,
+		sqlite3.Pointer([]int{2, 3, 4}))
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var name string
+		err := rows.Scan(&name)
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Printf("%s\n", name)
+	}
+	if err := rows.Err(); err != nil {
+		log.Fatal(err)
+	}
+	// Unordered output:
+	// geopoly_regular
+	// geopoly_overlap
+	// geopoly_contains_point
+	// geopoly_within
+}