Sys_var_double Class Reference

#include <sys_vars.h>

Inheritance diagram for Sys_var_double:

List of all members.

Public Member Functions
	Sys_var_double (const char *name_arg, const char *comment, int flag_args, ptrdiff_t off, size_t size, CMD_LINE getopt, double min_val, double max_val, double def_val, PolyLock *lock=0, enum binlog_status_enum binlog_status_arg=VARIABLE_NOT_IN_BINLOG, on_check_function on_check_func=0, on_update_function on_update_func=0, const char *substitute=0, int parse_flag=PARSE_NORMAL)
bool	do_check (THD *thd, set_var *var)
bool	session_update (THD *thd, set_var *var)
bool	global_update (THD *thd, set_var *var)
bool	check_update_type (Item_result type)
void	session_save_default (THD *thd, set_var *var)
void	global_save_default (THD *thd, set_var *var)

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Detailed Description

The class for floating point variables

Class specific constructor arguments: min, max

Backing store: double

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Member Function Documentation

void Sys_var_double::global_save_default	(	THD *	thd,
		set_var *	var
	)		[inline, virtual]

save the global default value of the variable in var

Implements sys_var.

Reimplemented in Sys_var_session_special_double.

void Sys_var_double::session_save_default	(	THD *	thd,
		set_var *	var
	)		[inline, virtual]

save the session default value of the variable in var

Implements sys_var.

Reimplemented in Sys_var_session_special_double.

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

• sys_vars.h