Merge pull request 'fix' (#15) from master into dev

Reviewed-on: #15

app/storage/clickhouse/client.go

@@ -53,7 +53,7 @@ func connect() (*driver.Conn, error) {
 }
 
 func Migrate() error {
-	rows, err := Connection.Query(
+	err := Connection.Exec(
 		context.TODO(), 
 		`CREATE TABLE IF NOT EXISTS endpoints (
 			timestamp        DateTime,
@@ -71,6 +71,5 @@ func Migrate() error {
         log.Fatal(err)
 		return err
     }
-    defer rows.Close()
 	return nil
 }