DiskManager::SerializedFileHeader Struct Reference

Public Attributes
std::uint32_t	size
std::uint32_t	capacity
char	bitmap [DISK_HEADER_BITMAP_SIZE]

Detailed Description

A Fileheader struct to be written to the beginning of Unix files. Contains serialized metadata about the file.

Member Data Documentation

bitmap

char DiskManager::SerializedFileHeader::bitmap[DISK_HEADER_BITMAP_SIZE]

Bitmap of alloted pages. If 1, corresponding page is allocated. If 0 free. Valid number of bits only extend to capacity number of bits.

capacity

std::uint32_t DiskManager::SerializedFileHeader::capacity

The total number of pages alloted in the relation/index file.

size

std::uint32_t DiskManager::SerializedFileHeader::size

The number of valid/allocated pages out of alloted pages.

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The documentation for this struct was generated from the following file:

• diskmgr.h