VacuousDoubleWriteBuffer类 参考

类 VacuousDoubleWriteBuffer 继承关系图:

Public 成员函数
RC	add_page (DiskBufferPool *bp, PageNum page_num, Page &page) override
RC	read_page (DiskBufferPool *bp, PageNum page_num, Page &page) override
RC	clear_pages (DiskBufferPool *bp) override
	清空所有与指定buffer pool关联的页面 更多...
virtual RC	add_page (DiskBufferPool *bp, PageNum page_num, Page &page)=0
virtual RC	read_page (DiskBufferPool *bp, PageNum page_num, Page &page)=0
virtual RC	clear_pages (DiskBufferPool *bp)=0
	清空所有与指定buffer pool关联的页面 更多...

成员函数说明

add_page()

RC VacuousDoubleWriteBuffer::add_page ( DiskBufferPool *  bp, PageNum  page_num, Page &  page  )

overridevirtual

将页面加入buffer，并且写入磁盘中的共享表空间

实现了 DoubleWriteBuffer.

clear_pages()

RC VacuousDoubleWriteBuffer::clear_pages ( DiskBufferPool *  bp )

inlineoverridevirtual

清空所有与指定buffer pool关联的页面

实现了 DoubleWriteBuffer.

read_page()

RC VacuousDoubleWriteBuffer::read_page ( DiskBufferPool *  bp, PageNum  page_num, Page &  page  )

inlineoverridevirtual

实现了 DoubleWriteBuffer.

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该类的文档由以下文件生成:

• src/observer/storage/buffer/double_write_buffer.h
• src/observer/storage/buffer/double_write_buffer.cpp