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_t *	index
	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...
byte *	buf
	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

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

• storage/innobase/include/row0ext.h