big_rec_t Struct Reference

Storage format for overflow data in a big record, that is, a clustered index record which needs external storage of data fields. More...

#include <data0data.h>

Public Member Functions
	big_rec_t (const ulint max)
	Constructor. More...
void	append (const big_rec_field_t &field)
	Append one big_rec_field_t object to the end of array of fields. More...
std::ostream &	print (std::ostream &out) const
	Print the current object into the given output stream. More...

Static Public Member Functions
static big_rec_t *	alloc (mem_heap_t *heap, ulint n_fld)
	Allocate a big_rec_t object in the given memory heap, and for storing n_fld number of fields. More...

Public Attributes
mem_heap_t *	heap
	memory heap from which allocated More...
const ulint	capacity
	fields array size More...
ulint	n_fields
	number of stored fields More...
big_rec_field_t *	fields
	stored fields More...

Detailed Description

Storage format for overflow data in a big record, that is, a clustered index record which needs external storage of data fields.

Constructor & Destructor Documentation

big_rec_t()

big_rec_t::big_rec_t ( const ulint  max )

inlineexplicit

Constructor.

Parameters

[in]

max

the capacity of the array of fields.

Member Function Documentation

alloc()

big_rec_t * big_rec_t::alloc ( mem_heap_t *  heap, ulint  n_fld  )

static

Allocate a big_rec_t object in the given memory heap, and for storing n_fld number of fields.

Parameters

[in]	heap	memory heap in which this object is allocated
[in]	n_fld	maximum number of fields that can be stored in this object

Returns

the allocated object

append()

void big_rec_t::append ( const big_rec_field_t &  field )

inline

Append one big_rec_field_t object to the end of array of fields.

print()

std::ostream & big_rec_t::print

(

std::ostream &

out

)

const

Print the current object into the given output stream.

Parameters

[in]

out

the output stream.

Returns

the output stream.

Member Data Documentation

capacity

const ulint big_rec_t::capacity

fields array size

fields

big_rec_field_t* big_rec_t::fields

stored fields

heap

mem_heap_t* big_rec_t::heap

memory heap from which allocated

n_fields

ulint big_rec_t::n_fields

number of stored fields

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

• storage/innobase/include/data0data.h
• storage/innobase/data/data0data.cc