最近在开发一个PHP程序时遇到了下面的错误:PHP Fatal error: Allowed memory size of 268 435 456 bytes exhausted错误信息显...
分析:开发的这个程序是要用一个foreach循环语句在一个有10万条记录的表里全表搜索具有特定特征的数据,
也就是说,一次要把10万条数据取出,然后逐条检查每天数据。可想而知,10万条数据全部加载到内存中,内存不爆才怪.
缓冲查询和非缓冲查询(Buffered and Unbuffered queries)</a>。 
PHP的查询缺省模式是缓冲模式。也就是说,查询数据结果会一次全部提取到内存里供PHP程序处理。这样给了PHP程序额外的功能。比如说,计算行数,将 指针指向某一行等。
更重要的是程序可以对数据集反复进行二次查询和过滤等操作。但这种缓冲查询模式的缺陷就是消耗内存,也就是用空间换速度。
相对的,另外一种PHP查询模式是非缓冲查询,数据库服务器会一条一条的返回数据,而不是一次全部返回,这样的结果就是PHP程序消耗较少的内存,
但却增加了数据库服务器的压力,因为数据库会一直等待PHP来取数据,一直到数据全部取完。
很显然,
缓冲查询模式适用于小数据量查询,而非缓冲查询适应于大数据量查询。
对于PHP的缓冲模式查询大家都知道,下面列举的例子是如何执行非缓冲查询API。

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" 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" 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" alt="" />


 
												

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