set_var_base Class Reference

#include <set_var.h>

Inheritance diagram for set_var_base:

List of all members.

Public Member Functions
virtual int	check (THD *thd)=0
virtual int	update (THD *thd)=0
virtual int	light_check (THD *thd)
virtual void	print (THD *thd, String *str)=0
virtual bool	is_var_optimizer_trace () const

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Detailed Description

A base class for everything that can be set with SET command. It's similar to Items, an instance of this is created by the parser for every assigmnent in SET (or elsewhere, e.g. in SELECT).

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Member Function Documentation

virtual bool set_var_base::is_var_optimizer_trace

(

)

const [inline, virtual]

Returns:

whether this variable is @@optimizer_trace.

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

• set_var.h