MySQL 9.0.0
Source Code Documentation
Comp_creator Class Referenceabstract

Abstract factory interface for creating comparison predicates. More...

#include <item_cmpfunc.h>

Inheritance diagram for Comp_creator:
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Public Member Functions

virtual ~Comp_creator ()=default
 
virtual Item_bool_funccreate (Item *a, Item *b) const =0
 
virtual const char * symbol (bool invert) const =0
 This interface is only used by Item_allany_subselect. More...
 
virtual bool eqne_op () const =0
 
virtual bool l_op () const =0
 

Detailed Description

Abstract factory interface for creating comparison predicates.

Constructor & Destructor Documentation

◆ ~Comp_creator()

virtual Comp_creator::~Comp_creator ( )
virtualdefault

Member Function Documentation

◆ create()

virtual Item_bool_func * Comp_creator::create ( Item a,
Item b 
) const
pure virtual

◆ eqne_op()

virtual bool Comp_creator::eqne_op ( ) const
pure virtual

◆ l_op()

virtual bool Comp_creator::l_op ( ) const
pure virtual

◆ symbol()

virtual const char * Comp_creator::symbol ( bool  invert) const
pure virtual

This interface is only used by Item_allany_subselect.

Implemented in Eq_creator, Equal_creator, Ne_creator, Gt_creator, Lt_creator, Ge_creator, and Le_creator.


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