}

	if config.PrepareStmt {
		var preparedStmt *PreparedStmtDB

		if v, ok := db.cacheStore.Load(preparedStmtDBKey); ok {
			preparedStmt = v.(*PreparedStmtDB)
		} else {
			preparedStmt = NewPreparedStmtDB(db.ConnPool, db.PrepareStmtMaxSize, db.PrepareStmtTTL)
			db.cacheStore.Store(preparedStmtDBKey, preparedStmt)
		}

		switch t := tx.Statement.ConnPool.(type) {
		case Tx: