SQLite is also available in FreeBSD

Docker-DCO-1.1-Signed-off-by: Kato Kazuyoshi <kato.kazuyoshi@gmail.com> (github: kzys)

graphdb/conn_sqlite3.go

@@ -0,0 +1,25 @@
+// +build linux,amd64 freebsd,cgo
+
+package graphdb
+
+import (
+	_ "code.google.com/p/gosqlite/sqlite3" // registers sqlite
+	"database/sql"
+	"os"
+)
+
+func NewSqliteConn(root string) (*Database, error) {
+	initDatabase := false
+	if _, err := os.Stat(root); err != nil {
+		if os.IsNotExist(err) {
+			initDatabase = true
+		} else {
+			return nil, err
+		}
+	}
+	conn, err := sql.Open("sqlite3", root)
+	if err != nil {
+		return nil, err
+	}
+	return NewDatabase(conn, initDatabase)
+}