Create_qfunc Class Reference

Function builder for qualified functions. More...

#include <item_create.h>

Inheritance diagram for Create_qfunc:

Public Member Functions
Item *	create_func (THD *thd, LEX_STRING name, PT_item_list *item_list) override
	The builder create method, for unqualified functions. More...
virtual Item *	create (THD *thd, LEX_STRING db, LEX_STRING name, bool use_explicit_name, PT_item_list *item_list)=0
	The builder create method, for qualified functions. More...

Protected Member Functions
	Create_qfunc ()=default
	Constructor. More...
	~Create_qfunc () override=default
	Destructor. More...
Protected Member Functions inherited from Create_func
	Create_func ()=default
virtual	~Create_func ()=default

Detailed Description

Function builder for qualified functions.

This builder is used with functions call using a qualified function name syntax, as in db.func(expr, expr, ...).

Constructor & Destructor Documentation

Create_qfunc()

Create_qfunc::Create_qfunc ( )

protecteddefault

Constructor.

~Create_qfunc()

Create_qfunc::~Create_qfunc ( )

overrideprotecteddefault

Destructor.

Member Function Documentation

create()

virtual Item * Create_qfunc::create ( THD *  thd, LEX_STRING  db, LEX_STRING  name, bool  use_explicit_name, PT_item_list *  item_list  )

pure virtual

The builder create method, for qualified functions.

Parameters

thd	The current thread
db	The database name or NULL_STR to use the default db name
name	The function name
use_explicit_name	Should the function be represented as 'db.name'?
item_list	The list of arguments to the function, can be NULL

Returns

An item representing the parsed function call

Implemented in Create_sp_func.

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

• sql/item_create.h
• sql/item_create.cc