The context for a LOB operation. More...

#include <lob0lob.h>

Inheritance diagram for lob::InsertContext:

Public Member Functions
	InsertContext (const BtrContext &btr_ctx, const big_rec_t *big_rec_vec)
	Constructor. More...

const big_rec_t *	get_big_rec_vec ()
	Get the vector containing fields to be stored externally. More...

ulint	get_big_rec_vec_size ()
	Get the size of vector containing fields to be stored externally. More...

Public Member Functions inherited from lob::BtrContext
	BtrContext ()
	Default Constructor. More...

	BtrContext (mtr_t mtr, dict_index_t index, buf_block_t *block)
	Constructor. More...

	BtrContext (mtr_t mtr, btr_pcur_t pcur, dict_index_t index, rec_t rec, ulint offsets, buf_block_t block)
	Constructor. More...

	BtrContext (mtr_t mtr, btr_pcur_t pcur, dict_index_t index, rec_t rec, ulint offsets, buf_block_t block, opcode op)
	Constructor. More...

	BtrContext (const BtrContext &other)
	Copy Constructor. More...

void	disown_inherited_fields (const upd_t *update)
	Marks non-updated off-page fields as disowned by this record. More...

void	set_ownership_of_extern_field (ulint i, bool val)
	Sets the ownership bit of an externally stored field in a record. More...

void	unmark_extern_fields ()
	Marks all extern fields in a record as owned by the record. More...

void	free_externally_stored_fields (trx_id_t trx_id, undo_no_t undo_no, bool rollback, ulint rec_type, purge_node_t *node)
	Frees the externally stored fields for a record. More...

void	free_updated_extern_fields (trx_id_t trx_id, undo_no_t undo_no, const upd_t update, bool rollback, big_rec_t big_rec_vec)
	Frees the externally stored fields for a record, if the field is mentioned in the update vector. More...

page_zip_des_t *	get_page_zip () const
	Gets the compressed page descriptor. More...

page_no_t	get_page_no () const
	Get the page number of clustered index block. More...

ulint	get_rec_offset () const
	Get the record offset within page of the clustered index record. More...

bool	need_recalc () const
	Check if there is a need to recalculate the context information. More...

rec_t *	rec () const
	Get the clustered index record pointer. More...

byte *	get_field_ref (ulint field_no) const
	Get the LOB reference for the given field number. More...

bool	validate () const
	Validate the current BLOB context object. More...

bool	are_all_blobrefs_valid () const
	Check to see if all pointers to externally stored columns in the record must be valid. More...

bool	is_bulk () const
	Determine whether current operation is a bulk insert operation. More...

const page_t *	rec_frame () const
	Get the beginning of the B-tree clustered index page frame that contains the current clustered index record (m_rec). More...

void	commit_btr_mtr ()
	Commit the mini-transaction that is holding the latches of the clustered index record block. More...

void	start_btr_mtr ()
	Start the mini-transaction that will be holding the latches of the clustered index record block. More...

page_no_t	get_btr_page_no () const
	Get the page number of clustered index record. More...

void	rec_block_fix ()
	Increment the buffer fix count of the clustered index record block. More...

void	rec_block_unfix ()
	Decrement the buffer fix count of the clustered index record block, X-latching it before, so that the overall buffer_fix_count doesn't change. More...

void	restore_position ()
	Restore the position of the persistent cursor. More...

dict_index_t *	index () const
	Get the index object. More...

dict_table_t *	table () const
	Get the table object. More...

space_id_t	space () const
	Get the space id. More...

const page_size_t	page_size () const
	Obtain the page size of the underlying table. More...

page_no_t	pages_in_extent () const
	Determine the extent size (in pages) for the underlying table. More...

void	check_redolog ()
	Check if there is enough space in the redo log file. More...

void	make_nth_extern (ulint field_no)
	Mark the nth field as externally stored. More...

mtr_log_t	get_log_mode ()
	Get the log mode of the btr mtr. More...

Flush_observer *	get_flush_observer () const
	Get flush observer. More...

ulint *	get_offsets () const
	Get the record offsets array. More...

bool	rec_offs_validate () const
	Validate the record offsets array. More...

mtr_t *	get_mtr ()
	Get the associated mini-transaction. More...

buf_block_t *	block () const
	Get the pointer to the clustered record block. More...

void	store_position ()
	Save the position of the persistent cursor. More...

void	check_redolog_normal ()
	Check if there is enough space in log file. More...

void	check_redolog_bulk ()
	When bulk load is being done, check if there is enough space in redo log file. More...

void	recalc ()
	Recalculate some of the members after restoring the persistent cursor. More...

void	zblob_write_blobref (ulint field_no, mtr_t *mtr)
	Write a blob reference of a field into a clustered index record in a compressed leaf page. More...

Public Attributes
const big_rec_t *	m_big_rec_vec
	The B-tree Context. More...

Public Attributes inherited from lob::BtrContext
mtr_t *	m_mtr
	The btr mtr that is holding the latch on the B-tree index page containing the clustered index record. More...

btr_pcur_t *	m_pcur
	Persistent cursor positioned on the clustered index record. More...

dict_index_t *	m_index

rec_t *	m_rec

ulint *	m_offsets

buf_block_t *	m_block

opcode	m_op

ulint	m_rec_offset
	Record offset within the page. More...

page_no_t	m_btr_page_no
	Page number where the clust rec is present. More...

Detailed Description

The context for a LOB operation.

It contains the necessary information to carry out a LOB operation.

Constructor & Destructor Documentation

◆ InsertContext()

lob::InsertContext::InsertContext	(	const BtrContext &	btr_ctx,
		const big_rec_t *	big_rec_vec
	)

inline

Constructor.

Parameters

[in]	btr_ctx	b-tree context for lob operation.
[in]	big_rec_vec	array of blobs

Member Function Documentation

◆ get_big_rec_vec()

const big_rec_t * lob::InsertContext::get_big_rec_vec ( )

inline

Get the vector containing fields to be stored externally.

Returns: the big record vector

◆ get_big_rec_vec_size()

ulint lob::InsertContext::get_big_rec_vec_size ( )

inline

Get the size of vector containing fields to be stored externally.

Returns: the big record vector size

Member Data Documentation

◆ m_big_rec_vec

const big_rec_t* lob::InsertContext::m_big_rec_vec

The B-tree Context.

vector containing fields to be stored externally

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

storage/innobase/include/lob0lob.h

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ InsertContext()

Member Function Documentation

◆ get_big_rec_vec()

◆ get_big_rec_vec_size()

Member Data Documentation

◆ m_big_rec_vec