class Innodb::FsegEntry
Constants
- SIZE
The size (in bytes) of an FSEG entry, which contains a two 32-bit integers and a 16-bit integer.
Public Class Methods
get_entry_address(cursor)
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Return the FSEG entry address, which points to an entry on an INODE page.
# File lib/innodb/fseg_entry.rb, line 13 def self.get_entry_address(cursor) { space_id: cursor.name("space_id") { cursor.read_uint32 }, page_number: cursor.name("page_number") { Innodb::Page.maybe_undefined(cursor.read_uint32) }, offset: cursor.name("offset") { cursor.read_uint16 }, } end
get_inode(space, cursor)
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Return an INODE entry which represents this file segment.
# File lib/innodb/fseg_entry.rb, line 22 def self.get_inode(space, cursor) address = cursor.name("address") { get_entry_address(cursor) } return nil if address[:offset].zero? page = space.page(address[:page_number]) return nil unless page.type == :INODE page.inode_at(page.cursor(address[:offset])) end