准备好的语句
¥Prepared Statements
MySQL2 提供 execute 助手，它将准备和查询语句。你还可以使用 prepare/unprepare 方法手动准备/取消准备语句。
¥MySQL2 provides execute helper which will prepare and query the statement.
You can also manually prepare / unprepare statement with prepare / unprepare methods.
请参阅 准备好的语句 中的详细文档。
¥See detailed documentaion in Prepared Statements.
提示
如果你再次执行相同的语句，它将从 LRU 缓存中挑选出来，这将节省查询准备时间并提供更好的性能。
¥If you execute same statement again, it will be picked form a LRU cache which will save query preparation time and give better performance.
使用示例：
¥Usage examples: