Btree_multi::bulk::Blob_inserter Class Reference

Used to insert many blobs into InnoDB. More...

#include <btr0mtib.h>

Public Member Functions
	Blob_inserter (Btree_load &btree_load)
	Constructor. More...
	~Blob_inserter ()
dberr_t	init ()
	Initialize by allocating necessary resources. More...
void	finish ()
dberr_t	insert_blob (lob::ref_t &ref, const dfield_t *dfield)
dberr_t	open_blob (Blob_context &blob_ctx, lob::ref_t &ref)
	Create a blob. More...
dberr_t	write_blob (Blob_context blob_ctx, lob::ref_t &ref, const byte *data, size_t len)
	Write data into the blob. More...
dberr_t	close_blob (Blob_context blob_ctx, lob::ref_t &ref)
	Indicate that the blob has been completed, so that resources can be removed, and as necessary flushing can be done. More...
Page_load *	alloc_first_page ()
	Allocate a LOB first page. More...
Page_load *	alloc_data_page ()
	Allocate a data page. More...
Page_load *	alloc_index_page ()
	Allocate a LOB index page. More...
trx_id_t	get_trx_id () const
	Get the current transaction id. More...

Private Member Functions
Page_load *	alloc_page_from_extent (Page_extent *&m_page_extent)
Page_extent *	alloc_free_extent ()

Private Attributes
Btree_load &	m_btree_load
Page_extent *	m_page_extent_first {nullptr}
	Page extent from which to allocate first pages of blobs. More...
Page_range_t	m_page_range_first
Page_extent *	m_page_extent_data {nullptr}
	Page extent from which to allocate data pages of blobs. More...
std::list< Page_extent * >	m_index_extents
	Page extent from which to allocate index pages of blobs. More...
Blob_context	m_blob {nullptr}
	The current blob being inserted. More...
ut::Object_cache< Page_load >	m_page_load_cache
	Cache of Page_load objects. More...
ut::Object_cache< Page_extent >	m_page_extent_cache
	Cache of Page_extent objects. More...
ut::unique_ptr< Blob_handle >	m_blob_handle
	Only one blob handle per sub-tree. More...

Detailed Description

Used to insert many blobs into InnoDB.

Constructor & Destructor Documentation

Blob_inserter()

Btree_multi::bulk::Blob_inserter::Blob_inserter

(

Btree_load &

btree_load

)

Constructor.

Parameters

[in]

btree_load

the B-tree into which blobs are inserted.

~Blob_inserter()

Btree_multi::bulk::Blob_inserter::~Blob_inserter

(

)

Member Function Documentation

alloc_data_page()

Page_load * Btree_multi::bulk::Blob_inserter::alloc_data_page

(

)

Allocate a data page.

Returns

a LOB data page.

alloc_first_page()

Page_load * Btree_multi::bulk::Blob_inserter::alloc_first_page

(

)

Allocate a LOB first page.

Returns

a LOB first page.

alloc_free_extent()

Page_extent * Btree_multi::bulk::Blob_inserter::alloc_free_extent ( )

private

alloc_index_page()

Page_load * Btree_multi::bulk::Blob_inserter::alloc_index_page

(

)

Allocate a LOB index page.

Returns

a LOB index page.

alloc_page_from_extent()

Page_load * Btree_multi::bulk::Blob_inserter::alloc_page_from_extent ( Page_extent *&  m_page_extent )

private

close_blob()

dberr_t Btree_multi::bulk::Blob_inserter::close_blob	(	Blob_context	blob_ctx,
		lob::ref_t &	ref
	)

Indicate that the blob has been completed, so that resources can be removed, and as necessary flushing can be done.

Parameters

[in]	blob_ctx	pointer to blob which has been completely written.
[out]	ref	a blob ref object.

Returns

DB_SUCCESS on success or a failure error code.

finish()

void Btree_multi::bulk::Blob_inserter::finish

(

)

get_trx_id()

trx_id_t Btree_multi::bulk::Blob_inserter::get_trx_id ( ) const

inline

Get the current transaction id.

Returns

the current transaction id.

init()

dberr_t Btree_multi::bulk::Blob_inserter::init

(

void

)

Initialize by allocating necessary resources.

Returns

DB_SUCCESS on success or a failure error code.

insert_blob()

dberr_t Btree_multi::bulk::Blob_inserter::insert_blob ( lob::ref_t &  ref, const dfield_t *  dfield  )

inline

open_blob()

dberr_t Btree_multi::bulk::Blob_inserter::open_blob	(	Blob_context &	blob_ctx,
		lob::ref_t &	ref
	)

Create a blob.

Parameters

[out]	blob_ctx	pointer to an opaque object representing a blob.
[out]	ref	blob reference to be placed in the record.

Returns

DB_SUCCESS on success or a failure error code.

write_blob()

dberr_t Btree_multi::bulk::Blob_inserter::write_blob	(	Blob_context	blob_ctx,
		lob::ref_t &	ref,
		const byte *	data,
		size_t	len
	)

Write data into the blob.

Parameters

[in]	blob_ctx	pointer to blob into which data is written.
[out]	ref	blob reference to be placed in the record.
[in]	data	buffer containing data to be written
[in]	len	length of the data to be written.

Returns

DB_SUCCESS on success or a failure error code.

Member Data Documentation

m_blob

Blob_context Btree_multi::bulk::Blob_inserter::m_blob {nullptr}

private

The current blob being inserted.

m_blob_handle

ut::unique_ptr<Blob_handle> Btree_multi::bulk::Blob_inserter::m_blob_handle

private

Only one blob handle per sub-tree.

m_btree_load

Btree_load& Btree_multi::bulk::Blob_inserter::m_btree_load

private

m_index_extents

std::list<Page_extent *> Btree_multi::bulk::Blob_inserter::m_index_extents

private

Page extent from which to allocate index pages of blobs.

lob::bulk::node_page_t.

m_page_extent_cache

ut::Object_cache<Page_extent> Btree_multi::bulk::Blob_inserter::m_page_extent_cache

private

Cache of Page_extent objects.

m_page_extent_data

Page_extent* Btree_multi::bulk::Blob_inserter::m_page_extent_data {nullptr}

private

Page extent from which to allocate data pages of blobs.

lob::bulk::data_page_t.

m_page_extent_first

Page_extent* Btree_multi::bulk::Blob_inserter::m_page_extent_first {nullptr}

private

Page extent from which to allocate first pages of blobs.

lob::bulk::first_page_t.

m_page_load_cache

ut::Object_cache<Page_load> Btree_multi::bulk::Blob_inserter::m_page_load_cache

private

Cache of Page_load objects.

m_page_range_first

Page_range_t Btree_multi::bulk::Blob_inserter::m_page_range_first

private

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

• storage/innobase/include/btr0mtib.h
• storage/innobase/btr/btr0mtib.cc