MySQL  8.0.21
Source Code Documentation
lob::ref_mem_t Struct Reference

In memory representation of the LOB reference. More...

#include <lob0lob.h>

Public Member Functions

bool is_purged () const
 Check if the LOB has already been purged. More...
 

Public Attributes

space_id_t m_space_id
 Space Identifier of the clustered index. More...
 
page_no_t m_page_no
 Page number of first LOB page. More...
 
ulint m_offset
 Offset within m_page_no where LOB begins. More...
 
ulint m_length
 Length of LOB. More...
 
bool m_null
 Whether the LOB is null. More...
 
bool m_owner
 Whether the clustered index record owns this LOB. More...
 
bool m_inherit
 Whether the clustered index record inherited this LOB from another clustered index record. More...
 
bool m_partial
 Whether the LOB is partially updated. More...
 
bool m_being_modified
 Whether the blob is being modified. More...
 

Detailed Description

In memory representation of the LOB reference.

Member Function Documentation

◆ is_purged()

bool lob::ref_mem_t::is_purged ( ) const
inline

Check if the LOB has already been purged.

Returns
true if LOB has been purged, false otherwise.

Member Data Documentation

◆ m_being_modified

bool lob::ref_mem_t::m_being_modified

Whether the blob is being modified.

◆ m_inherit

bool lob::ref_mem_t::m_inherit

Whether the clustered index record inherited this LOB from another clustered index record.

◆ m_length

ulint lob::ref_mem_t::m_length

Length of LOB.

◆ m_null

bool lob::ref_mem_t::m_null

Whether the LOB is null.

◆ m_offset

ulint lob::ref_mem_t::m_offset

Offset within m_page_no where LOB begins.

◆ m_owner

bool lob::ref_mem_t::m_owner

Whether the clustered index record owns this LOB.

◆ m_page_no

page_no_t lob::ref_mem_t::m_page_no

Page number of first LOB page.

◆ m_partial

bool lob::ref_mem_t::m_partial

Whether the LOB is partially updated.

◆ m_space_id

space_id_t lob::ref_mem_t::m_space_id

Space Identifier of the clustered index.


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