MySQL 8.0.29
Source Code Documentation
cmp_item_real Class Reference

#include <item_cmpfunc.h>

Inheritance diagram for cmp_item_real:
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Public Member Functions

void store_value (Item *item) override
 
int cmp (Item *arg) override
 
int compare (const cmp_item *ci) const override
 
cmp_itemmake_same () override
 
- Public Member Functions inherited from cmp_item
 cmp_item ()=default
 
virtual ~cmp_item ()=default
 
virtual void store_value_by_template (cmp_item *, Item *item)
 

Private Attributes

double value
 

Additional Inherited Members

- Static Public Member Functions inherited from cmp_item
static cmp_itemget_comparator (Item_result result_type, const Item *item, const CHARSET_INFO *cs)
 Find the appropriate comparator for the given type. More...
 
- Protected Member Functions inherited from cmp_item_scalar
void set_null_value (bool nv)
 
- Protected Attributes inherited from cmp_item_scalar
bool m_null_value
 If stored value is NULL. More...
 

Member Function Documentation

◆ cmp()

int cmp_item_real::cmp ( Item item)
inlineoverridevirtual
Returns
result (true, false or UNKNOWN) of "stored argument's value <> item's value"

Implements cmp_item.

◆ compare()

int cmp_item_real::compare ( const cmp_item ci) const
inlineoverridevirtual

Implements cmp_item.

◆ make_same()

cmp_item * cmp_item_real::make_same ( )
overridevirtual

Implements cmp_item.

◆ store_value()

void cmp_item_real::store_value ( Item item)
inlineoverridevirtual

Implements cmp_item.

Member Data Documentation

◆ value

double cmp_item_real::value
private

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