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set_var_base Class Reference

#include <set_var.h>

Inheritance diagram for set_var_base:
Sql_alloc set_var set_var_collation_client set_var_password set_var_user

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

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).

Member Function Documentation

virtual bool set_var_base::is_var_optimizer_trace ( ) const [inline, virtual]
whether this variable is @@optimizer_trace.

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