MySQL  8.0.21
Source Code Documentation
row_ext_t Struct Reference

Prefixes of externally stored columns. More...

#include <row0ext.h>

Public Member Functions

std::ostream & print (std::ostream &out) const
 

Public Attributes

const dict_index_tindex
 The clustered index from where LOB is fetched. More...
 
ulint n_ext
 number of externally stored columns which are part of index More...
 
const ulint * ext
 col_no's of externally stored columns More...
 
bytebuf
 backing store of the column prefix cache More...
 
ulint max_len
 maximum prefix length, it could be REC_ANTELOPE_MAX_INDEX_COL_LEN or REC_VERSION_56_MAX_INDEX_COL_LEN depending on row format More...
 
page_size_t page_size
 page size of the externally stored columns More...
 
ulint len [1]
 prefix lengths; 0 if not cached More...
 

Detailed Description

Prefixes of externally stored columns.

Member Function Documentation

◆ print()

std::ostream& row_ext_t::print ( std::ostream &  out) const
inline

Member Data Documentation

◆ buf

byte* row_ext_t::buf

backing store of the column prefix cache

◆ ext

const ulint* row_ext_t::ext

col_no's of externally stored columns

◆ index

const dict_index_t* row_ext_t::index

The clustered index from where LOB is fetched.

◆ len

ulint row_ext_t::len[1]

prefix lengths; 0 if not cached

◆ max_len

ulint row_ext_t::max_len

maximum prefix length, it could be REC_ANTELOPE_MAX_INDEX_COL_LEN or REC_VERSION_56_MAX_INDEX_COL_LEN depending on row format

◆ n_ext

ulint row_ext_t::n_ext

number of externally stored columns which are part of index

◆ page_size

page_size_t row_ext_t::page_size

page size of the externally stored columns


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