Item_singlerow_subselect::Scalar_subquery_replacement Struct Reference

Argument for walk method replace_scalar_subquery. More...

#include <item_subselect.h>

Public Member Functions
	Scalar_subquery_replacement (Item_singlerow_subselect *target, Field *field, Query_block *select, bool add_coalesce)

Public Attributes
Item_singlerow_subselect *	m_target
	subquery to be replaced with field More...
Field *	m_field
	the replacement field More...
Query_block *	m_outer_query_block
	The transformed query block. More...
Query_block *	m_inner_query_block
	The immediately surrounding query. More...
bool	m_add_coalesce {false}

Detailed Description

Argument for walk method replace_scalar_subquery.

Constructor & Destructor Documentation

Scalar_subquery_replacement()

Item_singlerow_subselect::Scalar_subquery_replacement::Scalar_subquery_replacement ( Item_singlerow_subselect *  target, Field *  field, Query_block *  select, bool  add_coalesce  )

inline

Member Data Documentation

m_add_coalesce

bool Item_singlerow_subselect::Scalar_subquery_replacement::m_add_coalesce {false}

m_field

Field* Item_singlerow_subselect::Scalar_subquery_replacement::m_field

the replacement field

m_inner_query_block

Query_block* Item_singlerow_subselect::Scalar_subquery_replacement::m_inner_query_block

The immediately surrounding query.

block. This will be the transformed block or a subquery of it

m_outer_query_block

Query_block* Item_singlerow_subselect::Scalar_subquery_replacement::m_outer_query_block

The transformed query block.

m_target

Item_singlerow_subselect* Item_singlerow_subselect::Scalar_subquery_replacement::m_target

subquery to be replaced with field

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

• sql/item_subselect.h