ddl::Loader Class Reference

Build indexes on a table by reading a clustered index, creating a temporary file containing index entries, merge sorting these index entries and inserting sorted index entries to indexes. More...

#include <ddl0impl-loader.h>

Classes
struct	Task
	Builder task. More...
class	Task_queue
	Unbounded task queue. More...

Public Member Functions
	Loader (ddl::Context &ctx) noexcept
	Constructor. More...
	~Loader () noexcept
	Destructor. More...
dberr_t	build_all () noexcept
	Build the read instance. More...
void	add_task (Task task) noexcept
	Add a task to the task queue. More...
bool	validate_indexes () const noexcept
	Validate the indexes (except FTS). More...

Private Member Functions
dberr_t	prepare () noexcept
	Prepare to build and load the indexes. More...
dberr_t	load () noexcept
	Load the indexes. More...
dberr_t	scan_and_build_indexes () noexcept
	Scan and build the indexes. More...

Private Attributes
ddl::Context &	m_ctx
	DDL context, shared by the loader threads. More...
bool	m_parallel {}
	If true then use parallel scan and index build. More...
size_t	m_sort_buffer_size {}
	Sort buffer size. More...
size_t	m_io_buffer_size {}
	IO buffer size. More...
Builders	m_builders {}
	Index builders. More...
Task_queue *	m_taskq {}
	Task queue. More...

Detailed Description

Build indexes on a table by reading a clustered index, creating a temporary file containing index entries, merge sorting these index entries and inserting sorted index entries to indexes.

Constructor & Destructor Documentation

Loader()

ddl::Loader::Loader ( ddl::Context &  ctx )

explicitnoexcept

Constructor.

Parameters

[in,out]

ctx

DDL context.

~Loader()

ddl::Loader::~Loader ( )

noexcept

Destructor.

Member Function Documentation

add_task()

void ddl::Loader::add_task ( Task  task )

noexcept

Add a task to the task queue.

Parameters

[in]

task

Task to add.

build_all()

dberr_t ddl::Loader::build_all ( )

noexcept

Build the read instance.

Returns

DB_SUCCESS or error code.

load()

dberr_t ddl::Loader::load ( )

privatenoexcept

Load the indexes.

Returns

DB_SUCCESS or error code.

prepare()

dberr_t ddl::Loader::prepare ( )

privatenoexcept

Prepare to build and load the indexes.

Returns

DB_SUCCESS or error code.

scan_and_build_indexes()

dberr_t ddl::Loader::scan_and_build_indexes ( )

privatenoexcept

Scan and build the indexes.

Returns

DB_SUCCESS or error code.

validate_indexes()

bool ddl::Loader::validate_indexes ( ) const

noexcept

Validate the indexes (except FTS).

Returns

true on success.

Member Data Documentation

m_builders

Builders ddl::Loader::m_builders {}

private

Index builders.

m_ctx

ddl::Context& ddl::Loader::m_ctx

private

DDL context, shared by the loader threads.

m_io_buffer_size

size_t ddl::Loader::m_io_buffer_size {}

private

IO buffer size.

m_parallel

bool ddl::Loader::m_parallel {}

private

If true then use parallel scan and index build.

m_sort_buffer_size

size_t ddl::Loader::m_sort_buffer_size {}

private

Sort buffer size.

m_taskq

Task_queue* ddl::Loader::m_taskq {}

private

Task queue.

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

• storage/innobase/include/ddl0impl-loader.h
• storage/innobase/ddl/ddl0loader.cc