~drizzle-trunk/drizzle/development : contents of drizzled/set

~drizzle-trunk/drizzle/development : (revision 1183.3.1)

390.1.2 by Monty Taylor Fixed copyright headers in drizzled/	1	/* -- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; --
	2	* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
	3	*
	4	* Copyright (C) 2008 Sun Microsystems
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; version 2 of the License.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18	*/
1 by brian clean slate	19
575.1.6 by Monty Taylor Cleaned up some headers for PCH.	20	#ifndef DRIZZLED_ITEM_SET_H
	21	#define DRIZZLED_ITEM_SET_H
	22
670.1.20 by Monty Taylor Renamed functions to function... everything else is singular.	23	#include <drizzled/function/func.h>
	24	#include <drizzled/function/set_user_var.h>
642.1.62 by Lee more header file cleanup	25	#include <drizzled/item/string.h>
584.1.15 by Monty Taylor The mega-patch from hell. Renamed sql_class to session (since that's what it is) and removed it and field and table from common_includes.	26
656.1.34 by Monty Taylor Got closer...	27	#include <string>
656.1.34 by Monty Taylor Got closer...	28
1 by brian clean slate	29	/* Classes to support the SET command */
	30
	31
	32	/****************************************************************************
	33	Variables that are changable runtime are declared using the
	34	following classes
	35	****************************************************************************/
	36
	37	class sys_var;
	38	class set_var;
	39	class sys_var_pluginvar; /* opaque */
584.1.15 by Monty Taylor The mega-patch from hell. Renamed sql_class to session (since that's what it is) and removed it and field and table from common_includes.	40	class Time_zone;
1 by brian clean slate	41	typedef struct system_variables SV;
	42	typedef struct my_locale_st MY_LOCALE;
	43
1055.2.18 by Jay Pipes Removes dead variables in set_var.h	44	extern TYPELIB bool_typelib;
1055.2.18 by Jay Pipes Removes dead variables in set_var.h	45	extern TYPELIB optimizer_switch_typelib;
1 by brian clean slate	46
520.1.21 by Brian Aker THD -> Session rename	47	typedef int (sys_check_func)(Session , set_var *);
	48	typedef bool (sys_update_func)(Session , set_var *);
	49	typedef void (sys_after_update_func)(Session ,enum_var_type);
	50	typedef void (sys_set_default_func)(Session , enum_var_type);
520.1.22 by Brian Aker Second pass of thd cleanup	51	typedef unsigned char (sys_value_ptr_func)(Session *session);
1 by brian clean slate	52
1022.2.37 by Monty Taylor Moved more tolower calls to setup rather than during runtime.	53	static const std::vector<std::string> empty_aliases;
	54
1 by brian clean slate	55	struct sys_var_chain
	56	{
	57	sys_var *first;
	58	sys_var *last;
	59	};
	60
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	61	/**
	62	* A class which represents a variable, either global or
	63	* session-local.
	64	*/
1 by brian clean slate	65	class sys_var
1 by brian clean slate	66	{
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	67	protected:
	68	const std::string name; /*< The name of the variable /
	69	sys_after_update_func after_update; /*< Function pointer triggered after the variable's value is updated /
	70	struct my_option option_limits; /< Updated by by set_var_init() /
	71	bool m_allow_empty_value; /*< Does variable allow an empty value? /
1 by brian clean slate	72	sys_var *next;
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	73	public:
1101.1.27 by Monty Taylor Fixed the plugin string valgrind leak.	74	sys_var(const std::string name_arg, sys_after_update_func func= NULL)
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	75	:
	76	name(name_arg),
	77	after_update(func),
51.1.46 by Jay Pipes Removed/replaced DBUG symbols and standardized TRUE/FALSE	78	m_allow_empty_value(true)
1 by brian clean slate	79	{}
	80	virtual ~sys_var() {}
	81	void chain_sys_var(sys_var_chain *chain_arg)
	82	{
	83	if (chain_arg->last)
	84	chain_arg->last->next= this;
	85	else
	86	chain_arg->first= this;
	87	chain_arg->last= this;
	88	}
1022.2.37 by Monty Taylor Moved more tolower calls to setup rather than during runtime.	89
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	90	/**
	91	* Returns the name of the variable.
	92	*
	93	* @note
	94	*
	95	* So that we can exist in a Registry. We really need to formalize that
	96	*/
	97	inline const std::string &getName() const
	98	{
	99	return name;
	100	}
	101	/**
	102	* Returns a vector of strings representing aliases
	103	* for this variable's name.
	104	*/
	105	const std::vector<std::string>& getAliases() const
	106	{
	107	return empty_aliases;
	108	}
	109	/**
	110	* Returns a pointer to the next sys_var, or NULL if none.
	111	*/
	112	inline sys_var *getNext() const
	113	{
	114	return next;
	115	}
	116	/**
	117	* Sets the pointer to the next sys_var.
	118	*
	119	* @param Pointer to the next sys_var, or NULL if you set the tail...
	120	*/
	121	inline void setNext(sys_var *in_next)
	122	{
	123	next= in_next;
	124	}
	125	/**
	126	* Returns a pointer to the variable's option limits
	127	*/
	128	inline struct my_option *getOptionLimits() const
	129	{
	130	return option_limits;
	131	}
	132	/**
	133	* Sets the pointer to the variable's option limits
	134	*
	135	* @param Pointer to the option limits my_option variable
	136	*/
	137	inline void setOptionLimits(struct my_option *in_option_limits)
	138	{
	139	option_limits= in_option_limits;
	140	}
	141	/**
	142	* Returns the function pointer for after update trigger, or NULL if none.
	143	*/
	144	inline sys_after_update_func getAfterUpdateTrigger() const
	145	{
	146	return after_update;
	147	}
520.1.22 by Brian Aker Second pass of thd cleanup	148	virtual bool check(Session session, set_var var);
	149	bool check_enum(Session session, set_var var, const TYPELIB *enum_names);
	150	bool check_set(Session session, set_var var, TYPELIB *enum_names);
	151	virtual bool update(Session session, set_var var)=0;
644 by Brian Aker Clean up warnings for Solaris.	152	virtual void set_default(Session *, enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	153	{}
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	154	virtual SHOW_TYPE show_type()
	155	{
	156	return SHOW_UNDEF;
	157	}
779.3.10 by Monty Taylor Turned on -Wshadow.	158	virtual unsigned char value_ptr(Session , enum_var_type, const LEX_STRING *)
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	159	{
	160	return 0;
	161	}
1 by brian clean slate	162	virtual bool check_type(enum_var_type type)
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	163	{
	164	return type != OPT_GLOBAL;
	165	} /* Error if not GLOBAL */
1 by brian clean slate	166	virtual bool check_update_type(Item_result type)
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	167	{
	168	return type != INT_RESULT;
	169	} /* Assume INT */
644 by Brian Aker Clean up warnings for Solaris.	170	virtual bool check_default(enum_var_type)
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	171	{
	172	return option_limits == 0;
	173	}
779.3.10 by Monty Taylor Turned on -Wshadow.	174	Item item(Session session, enum_var_type type, const LEX_STRING *base);
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	175	virtual bool is_readonly() const
	176	{
	177	return 0;
	178	}
	179	virtual sys_var_pluginvar *cast_pluginvar()
	180	{
	181	return 0;
	182	}
1 by brian clean slate	183	};
1 by brian clean slate	184
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	185	/**
	186	* A base class for all variables that require its access to
	187	* be guarded with a mutex.
	188	*/
1 by brian clean slate	189	class sys_var_global: public sys_var
	190	{
	191	protected:
	192	pthread_mutex_t *guard;
	193	public:
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	194	sys_var_global(const char *name_arg,
	195	sys_after_update_func after_update_arg,
1 by brian clean slate	196	pthread_mutex_t *guard_arg)
1055.2.20 by Jay Pipes Refactors sys_var class -- doxygenates and documents the class members and functions. Protects all member variables and adds public getters/setters.	197	:
	198	sys_var(name_arg, after_update_arg),
	199	guard(guard_arg)
	200	{}
1 by brian clean slate	201	};
1 by brian clean slate	202
520.4.14 by Monty Taylor Removed korr.h and tztime.h from common_includes. Also removed the HAVE_DTRACE block and stuck it in autoconf.	203	class sys_var_uint32_t_ptr :public sys_var
	204	{
	205	uint32_t *value;
	206	public:
	207	sys_var_uint32_t_ptr(sys_var_chain chain, const char name_arg,
	208	uint32_t *value_ptr_arg)
	209	:sys_var(name_arg),value(value_ptr_arg)
	210	{ chain_sys_var(chain); }
	211	sys_var_uint32_t_ptr(sys_var_chain chain, const char name_arg,
	212	uint32_t *value_ptr_arg,
	213	sys_after_update_func func)
	214	:sys_var(name_arg,func), value(value_ptr_arg)
	215	{ chain_sys_var(chain); }
910.4.10 by Stewart Smith fix system variables for correct endian architectures.	216	bool check(Session session, set_var var);
520.4.14 by Monty Taylor Removed korr.h and tztime.h from common_includes. Also removed the HAVE_DTRACE block and stuck it in autoconf.	217	bool update(Session session, set_var var);
	218	void set_default(Session *session, enum_var_type type);
910.4.18 by Stewart Smith fix alignment of variables (incl key cache). fixes SIGBUS on SPARC64	219	SHOW_TYPE show_type() { return SHOW_INT; }
779.3.10 by Monty Taylor Turned on -Wshadow.	220	unsigned char value_ptr(Session , enum_var_type, const LEX_STRING *)
520.4.14 by Monty Taylor Removed korr.h and tztime.h from common_includes. Also removed the HAVE_DTRACE block and stuck it in autoconf.	221	{ return (unsigned char*) value; }
	222	};
	223
	224
151 by Brian Aker Ulonglong to uint64_t	225	class sys_var_uint64_t_ptr :public sys_var
1 by brian clean slate	226	{
151 by Brian Aker Ulonglong to uint64_t	227	uint64_t *value;
10 by Brian Aker Start of var cleanup (really.... looking at this code the entire thing needs	228	public:
151 by Brian Aker Ulonglong to uint64_t	229	sys_var_uint64_t_ptr(sys_var_chain chain, const char name_arg, uint64_t *value_ptr_arg)
1 by brian clean slate	230	:sys_var(name_arg),value(value_ptr_arg)
1 by brian clean slate	231	{ chain_sys_var(chain); }
151 by Brian Aker Ulonglong to uint64_t	232	sys_var_uint64_t_ptr(sys_var_chain chain, const char name_arg, uint64_t *value_ptr_arg,
1 by brian clean slate	233	sys_after_update_func func)
	234	:sys_var(name_arg,func), value(value_ptr_arg)
	235	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	236	bool update(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	237	void set_default(Session *session, enum_var_type type);
1 by brian clean slate	238	SHOW_TYPE show_type() { return SHOW_LONGLONG; }
779.3.10 by Monty Taylor Turned on -Wshadow.	239	unsigned char value_ptr(Session , enum_var_type,
779.3.10 by Monty Taylor Turned on -Wshadow.	240	const LEX_STRING *)
481 by Brian Aker Remove all of uchar.	241	{ return (unsigned char*) value; }
1 by brian clean slate	242	};
1 by brian clean slate	243
629.4.1 by Monty Taylor First step in support size_t sys_var stuff.	244	class sys_var_size_t_ptr :public sys_var
	245	{
	246	size_t *value;
	247	public:
	248	sys_var_size_t_ptr(sys_var_chain chain, const char name_arg, size_t *value_ptr_arg)
	249	:sys_var(name_arg),value(value_ptr_arg)
	250	{ chain_sys_var(chain); }
	251	sys_var_size_t_ptr(sys_var_chain chain, const char name_arg, size_t *value_ptr_arg,
	252	sys_after_update_func func)
	253	:sys_var(name_arg,func), value(value_ptr_arg)
	254	{ chain_sys_var(chain); }
	255	bool update(Session session, set_var var);
	256	void set_default(Session *session, enum_var_type type);
	257	SHOW_TYPE show_type() { return SHOW_SIZE; }
779.3.10 by Monty Taylor Turned on -Wshadow.	258	unsigned char value_ptr(Session , enum_var_type, const LEX_STRING *)
629.4.1 by Monty Taylor First step in support size_t sys_var stuff.	259	{ return (unsigned char*) value; }
	260	};
1 by brian clean slate	261
	262	class sys_var_bool_ptr :public sys_var
	263	{
	264	public:
146 by Brian Aker my_bool cleanup.	265	bool *value;
147 by Brian Aker More my_bool conversion. This time the set_var class.	266	sys_var_bool_ptr(sys_var_chain chain, const char name_arg, bool *value_arg)
146 by Brian Aker my_bool cleanup.	267	:sys_var(name_arg),value(value_arg)
146 by Brian Aker my_bool cleanup.	268	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	269	bool check(Session session, set_var var)
146 by Brian Aker my_bool cleanup.	270	{
520.1.22 by Brian Aker Second pass of thd cleanup	271	return check_enum(session, var, &bool_typelib);
146 by Brian Aker my_bool cleanup.	272	}
520.1.22 by Brian Aker Second pass of thd cleanup	273	bool update(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	274	void set_default(Session *session, enum_var_type type);
146 by Brian Aker my_bool cleanup.	275	SHOW_TYPE show_type() { return SHOW_MY_BOOL; }
779.3.10 by Monty Taylor Turned on -Wshadow.	276	unsigned char value_ptr(Session , enum_var_type, const LEX_STRING *)
481 by Brian Aker Remove all of uchar.	277	{ return (unsigned char*) value; }
644 by Brian Aker Clean up warnings for Solaris.	278	bool check_update_type(Item_result)
146 by Brian Aker my_bool cleanup.	279	{ return 0; }
	280	};
	281
1 by brian clean slate	282	class sys_var_bool_ptr_readonly :public sys_var_bool_ptr
	283	{
	284	public:
	285	sys_var_bool_ptr_readonly(sys_var_chain chain, const char name_arg,
147 by Brian Aker More my_bool conversion. This time the set_var class.	286	bool *value_arg)
1 by brian clean slate	287	:sys_var_bool_ptr(chain, name_arg, value_arg)
	288	{}
	289	bool is_readonly() const { return 1; }
	290	};
	291
	292
	293	class sys_var_str :public sys_var
	294	{
	295	public:
	296	char *value; // Pointer to allocated string
482 by Brian Aker Remove uint.	297	uint32_t value_length;
1 by brian clean slate	298	sys_check_func check_func;
	299	sys_update_func update_func;
	300	sys_set_default_func set_default_func;
	301	sys_var_str(sys_var_chain chain, const char name_arg,
	302	sys_check_func check_func_arg,
	303	sys_update_func update_func_arg,
	304	sys_set_default_func set_default_func_arg,
	305	char *value_arg)
	306	:sys_var(name_arg), value(value_arg), check_func(check_func_arg),
	307	update_func(update_func_arg),set_default_func(set_default_func_arg)
	308	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	309	bool check(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	310	bool update(Session session, set_var var)
1 by brian clean slate	311	{
520.1.22 by Brian Aker Second pass of thd cleanup	312	return (*update_func)(session, var);
1 by brian clean slate	313	}
520.1.22 by Brian Aker Second pass of thd cleanup	314	void set_default(Session *session, enum_var_type type)
1 by brian clean slate	315	{
520.1.22 by Brian Aker Second pass of thd cleanup	316	(*set_default_func)(session, type);
1 by brian clean slate	317	}
1 by brian clean slate	318	SHOW_TYPE show_type() { return SHOW_CHAR; }
779.3.10 by Monty Taylor Turned on -Wshadow.	319	unsigned char value_ptr(Session , enum_var_type, const LEX_STRING *)
481 by Brian Aker Remove all of uchar.	320	{ return (unsigned char*) value; }
1 by brian clean slate	321	bool check_update_type(Item_result type)
	322	{
	323	return type != STRING_RESULT; /* Only accept strings */
	324	}
644 by Brian Aker Clean up warnings for Solaris.	325	bool check_default(enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	326	{ return 0; }
1 by brian clean slate	327	};
	328
	329
	330	class sys_var_const_str :public sys_var
	331	{
	332	char *value; // Pointer to const value
10 by Brian Aker Start of var cleanup (really.... looking at this code the entire thing needs	333	public:
1 by brian clean slate	334	sys_var_const_str(sys_var_chain chain, const char name_arg,
	335	const char *value_arg)
	336	:sys_var(name_arg), value((char*) value_arg)
	337	{ chain_sys_var(chain); }
10 by Brian Aker Start of var cleanup (really.... looking at this code the entire thing needs	338	inline void set (char *new_value)
	339	{
	340	value= new_value;
	341	}
644 by Brian Aker Clean up warnings for Solaris.	342	bool check(Session , set_var )
1 by brian clean slate	343	{
	344	return 1;
	345	}
644 by Brian Aker Clean up warnings for Solaris.	346	bool update(Session , set_var )
1 by brian clean slate	347	{
	348	return 1;
	349	}
	350	SHOW_TYPE show_type() { return SHOW_CHAR; }
779.3.10 by Monty Taylor Turned on -Wshadow.	351	unsigned char value_ptr(Session , enum_var_type, const LEX_STRING *)
1 by brian clean slate	352	{
481 by Brian Aker Remove all of uchar.	353	return (unsigned char*) value;
1 by brian clean slate	354	}
644 by Brian Aker Clean up warnings for Solaris.	355	bool check_update_type(Item_result)
1 by brian clean slate	356	{
	357	return 1;
	358	}
644 by Brian Aker Clean up warnings for Solaris.	359	bool check_default(enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	360	{ return 1; }
1 by brian clean slate	361	bool is_readonly() const { return 1; }
	362	};
	363
	364
	365	class sys_var_const_str_ptr :public sys_var
	366	{
	367	char **value; // Pointer to const value
10 by Brian Aker Start of var cleanup (really.... looking at this code the entire thing needs	368	public:
1 by brian clean slate	369	sys_var_const_str_ptr(sys_var_chain chain, const char name_arg, char **value_arg)
	370	:sys_var(name_arg),value(value_arg)
	371	{ chain_sys_var(chain); }
644 by Brian Aker Clean up warnings for Solaris.	372	bool check(Session , set_var )
1 by brian clean slate	373	{
	374	return 1;
	375	}
644 by Brian Aker Clean up warnings for Solaris.	376	bool update(Session , set_var )
1 by brian clean slate	377	{
	378	return 1;
	379	}
	380	SHOW_TYPE show_type() { return SHOW_CHAR; }
779.3.10 by Monty Taylor Turned on -Wshadow.	381	unsigned char value_ptr(Session , enum_var_type, const LEX_STRING *)
1 by brian clean slate	382	{
481 by Brian Aker Remove all of uchar.	383	return (unsigned char) value;
1 by brian clean slate	384	}
644 by Brian Aker Clean up warnings for Solaris.	385	bool check_update_type(Item_result)
1 by brian clean slate	386	{
	387	return 1;
	388	}
644 by Brian Aker Clean up warnings for Solaris.	389	bool check_default(enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	390	{ return 1; }
77.1.7 by Monty Taylor Heap builds clean.	391	bool is_readonly(void) const { return 1; }
1 by brian clean slate	392	};
	393
	394
	395	class sys_var_enum :public sys_var
	396	{
482 by Brian Aker Remove uint.	397	uint32_t *value;
1 by brian clean slate	398	TYPELIB *enum_names;
1 by brian clean slate	399	public:
482 by Brian Aker Remove uint.	400	sys_var_enum(sys_var_chain chain, const char name_arg, uint32_t *value_arg,
1 by brian clean slate	401	TYPELIB *typelib, sys_after_update_func func)
	402	:sys_var(name_arg,func), value(value_arg), enum_names(typelib)
	403	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	404	bool check(Session session, set_var var)
1 by brian clean slate	405	{
520.1.22 by Brian Aker Second pass of thd cleanup	406	return check_enum(session, var, enum_names);
1 by brian clean slate	407	}
520.1.22 by Brian Aker Second pass of thd cleanup	408	bool update(Session session, set_var var);
1 by brian clean slate	409	SHOW_TYPE show_type() { return SHOW_CHAR; }
779.3.10 by Monty Taylor Turned on -Wshadow.	410	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	411	const LEX_STRING *base);
644 by Brian Aker Clean up warnings for Solaris.	412	bool check_update_type(Item_result)
77.1.7 by Monty Taylor Heap builds clean.	413	{ return 0; }
1 by brian clean slate	414	};
	415
	416
	417	class sys_var_enum_const :public sys_var
	418	{
621 by Brian Aker ulong fixes	419	uint32_t SV::*offset;
1 by brian clean slate	420	TYPELIB *enum_names;
1 by brian clean slate	421	public:
621 by Brian Aker ulong fixes	422	sys_var_enum_const(sys_var_chain chain, const char name_arg, uint32_t SV::*offset_arg,
1 by brian clean slate	423	TYPELIB *typelib, sys_after_update_func func)
	424	:sys_var(name_arg,func), offset(offset_arg), enum_names(typelib)
	425	{ chain_sys_var(chain); }
644 by Brian Aker Clean up warnings for Solaris.	426	bool check(Session , set_var )
77.1.7 by Monty Taylor Heap builds clean.	427	{ return 1; }
644 by Brian Aker Clean up warnings for Solaris.	428	bool update(Session , set_var )
77.1.7 by Monty Taylor Heap builds clean.	429	{ return 1; }
1 by brian clean slate	430	SHOW_TYPE show_type() { return SHOW_CHAR; }
644 by Brian Aker Clean up warnings for Solaris.	431	bool check_update_type(Item_result)
77.1.7 by Monty Taylor Heap builds clean.	432	{ return 1; }
1 by brian clean slate	433	bool is_readonly() const { return 1; }
779.3.10 by Monty Taylor Turned on -Wshadow.	434	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	435	const LEX_STRING *base);
1 by brian clean slate	436	};
	437
	438
520.1.22 by Brian Aker Second pass of thd cleanup	439	class sys_var_session :public sys_var
1 by brian clean slate	440	{
1 by brian clean slate	441	public:
660.1.3 by Eric Herman removed trailing whitespace with simple script:	442	sys_var_session(const char *name_arg,
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	443	sys_after_update_func func= NULL)
	444	:sys_var(name_arg, func)
1 by brian clean slate	445	{}
644 by Brian Aker Clean up warnings for Solaris.	446	bool check_type(enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	447	{ return 0; }
1 by brian clean slate	448	bool check_default(enum_var_type type)
	449	{
	450	return type == OPT_GLOBAL && !option_limits;
	451	}
	452	};
	453
615 by Brian Aker Added 32bit system variable support	454	class sys_var_session_uint32_t :public sys_var_session
	455	{
	456	sys_check_func check_func;
	457	public:
	458	uint32_t SV::*offset;
	459	sys_var_session_uint32_t(sys_var_chain chain, const char name_arg,
	460	uint32_t SV::*offset_arg,
	461	sys_check_func c_func= NULL,
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	462	sys_after_update_func au_func= NULL)
	463	:sys_var_session(name_arg, au_func), check_func(c_func),
615 by Brian Aker Added 32bit system variable support	464	offset(offset_arg)
	465	{ chain_sys_var(chain); }
	466	bool check(Session session, set_var var);
	467	bool update(Session session, set_var var);
	468	void set_default(Session *session, enum_var_type type);
910.4.18 by Stewart Smith fix alignment of variables (incl key cache). fixes SIGBUS on SPARC64	469	SHOW_TYPE show_type() { return SHOW_INT; }
779.3.10 by Monty Taylor Turned on -Wshadow.	470	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	471	const LEX_STRING *base);
615 by Brian Aker Added 32bit system variable support	472	};
615 by Brian Aker Added 32bit system variable support	473
1 by brian clean slate	474
520.1.22 by Brian Aker Second pass of thd cleanup	475	class sys_var_session_ha_rows :public sys_var_session
1 by brian clean slate	476	{
	477	public:
	478	ha_rows SV::*offset;
660.1.3 by Eric Herman removed trailing whitespace with simple script:	479	sys_var_session_ha_rows(sys_var_chain chain, const char name_arg,
1 by brian clean slate	480	ha_rows SV::*offset_arg)
520.1.22 by Brian Aker Second pass of thd cleanup	481	:sys_var_session(name_arg), offset(offset_arg)
1 by brian clean slate	482	{ chain_sys_var(chain); }
660.1.3 by Eric Herman removed trailing whitespace with simple script:	483	sys_var_session_ha_rows(sys_var_chain chain, const char name_arg,
1 by brian clean slate	484	ha_rows SV::*offset_arg,
1 by brian clean slate	485	sys_after_update_func func)
520.1.22 by Brian Aker Second pass of thd cleanup	486	:sys_var_session(name_arg,func), offset(offset_arg)
1 by brian clean slate	487	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	488	bool update(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	489	void set_default(Session *session, enum_var_type type);
1 by brian clean slate	490	SHOW_TYPE show_type() { return SHOW_HA_ROWS; }
779.3.10 by Monty Taylor Turned on -Wshadow.	491	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	492	const LEX_STRING *base);
1 by brian clean slate	493	};
	494
	495
520.1.22 by Brian Aker Second pass of thd cleanup	496	class sys_var_session_uint64_t :public sys_var_session
1 by brian clean slate	497	{
555 by Monty Fixed 32-bit issues.	498	sys_check_func check_func;
1 by brian clean slate	499	public:
151 by Brian Aker Ulonglong to uint64_t	500	uint64_t SV::*offset;
1 by brian clean slate	501	bool only_global;
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	502	sys_var_session_uint64_t(sys_var_chain *chain,
	503	const char *name_arg,
555 by Monty Fixed 32-bit issues.	504	uint64_t SV::*offset_arg,
555 by Monty Fixed 32-bit issues.	505	sys_after_update_func au_func= NULL,
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	506	sys_check_func c_func= NULL)
	507	:sys_var_session(name_arg, au_func),
617 by Brian Aker ulong fixes	508	check_func(c_func),
	509	offset(offset_arg)
	510	{ chain_sys_var(chain); }
660.1.3 by Eric Herman removed trailing whitespace with simple script:	511	sys_var_session_uint64_t(sys_var_chain *chain,
	512	const char *name_arg,
	513	uint64_t SV::*offset_arg,
	514	sys_after_update_func func,
617 by Brian Aker ulong fixes	515	bool only_global_arg,
617 by Brian Aker ulong fixes	516	sys_check_func cfunc= NULL)
555 by Monty Fixed 32-bit issues.	517	:sys_var_session(name_arg, func),
	518	check_func(cfunc),
	519	offset(offset_arg),
1 by brian clean slate	520	only_global(only_global_arg)
1 by brian clean slate	521	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	522	bool update(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	523	void set_default(Session *session, enum_var_type type);
1 by brian clean slate	524	SHOW_TYPE show_type() { return SHOW_LONGLONG; }
779.3.10 by Monty Taylor Turned on -Wshadow.	525	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	526	const LEX_STRING *base);
520.1.22 by Brian Aker Second pass of thd cleanup	527	bool check(Session session, set_var var);
1 by brian clean slate	528	bool check_default(enum_var_type type)
	529	{
	530	return type == OPT_GLOBAL && !option_limits;
	531	}
	532	bool check_type(enum_var_type type)
	533	{
	534	return (only_global && type != OPT_GLOBAL);
	535	}
	536	};
	537
629.4.1 by Monty Taylor First step in support size_t sys_var stuff.	538	class sys_var_session_size_t :public sys_var_session
	539	{
	540	sys_check_func check_func;
	541	public:
	542	size_t SV::*offset;
	543	bool only_global;
	544	sys_var_session_size_t(sys_var_chain chain, const char name_arg,
	545	size_t SV::*offset_arg,
	546	sys_after_update_func au_func= NULL,
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	547	sys_check_func c_func= NULL)
	548	:sys_var_session(name_arg, au_func),
629.4.1 by Monty Taylor First step in support size_t sys_var stuff.	549	check_func(c_func),
	550	offset(offset_arg)
	551	{ chain_sys_var(chain); }
660.1.3 by Eric Herman removed trailing whitespace with simple script:	552	sys_var_session_size_t(sys_var_chain *chain,
	553	const char *name_arg,
	554	size_t SV::*offset_arg,
	555	sys_after_update_func func,
629.4.1 by Monty Taylor First step in support size_t sys_var stuff.	556	bool only_global_arg,
	557	sys_check_func cfunc= NULL)
	558	:sys_var_session(name_arg, func),
	559	check_func(cfunc),
	560	offset(offset_arg),
	561	only_global(only_global_arg)
	562	{ chain_sys_var(chain); }
	563	bool update(Session session, set_var var);
	564	void set_default(Session *session, enum_var_type type);
	565	SHOW_TYPE show_type() { return SHOW_SIZE; }
779.3.10 by Monty Taylor Turned on -Wshadow.	566	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	567	const LEX_STRING *base);
629.4.1 by Monty Taylor First step in support size_t sys_var stuff.	568	bool check(Session session, set_var var);
	569	bool check_default(enum_var_type type)
	570	{
	571	return type == OPT_GLOBAL && !option_limits;
	572	}
	573	bool check_type(enum_var_type type)
	574	{
	575	return (only_global && type != OPT_GLOBAL);
	576	}
	577	};
	578
1 by brian clean slate	579
520.1.22 by Brian Aker Second pass of thd cleanup	580	class sys_var_session_bool :public sys_var_session
1 by brian clean slate	581	{
1 by brian clean slate	582	public:
200 by Brian Aker my_bool from handler and set_var	583	bool SV::*offset;
520.1.22 by Brian Aker Second pass of thd cleanup	584	sys_var_session_bool(sys_var_chain chain, const char name_arg, bool SV::*offset_arg)
520.1.22 by Brian Aker Second pass of thd cleanup	585	:sys_var_session(name_arg), offset(offset_arg)
1 by brian clean slate	586	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	587	sys_var_session_bool(sys_var_chain chain, const char name_arg, bool SV::*offset_arg,
1 by brian clean slate	588	sys_after_update_func func)
520.1.22 by Brian Aker Second pass of thd cleanup	589	:sys_var_session(name_arg,func), offset(offset_arg)
1 by brian clean slate	590	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	591	bool update(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	592	void set_default(Session *session, enum_var_type type);
1 by brian clean slate	593	SHOW_TYPE show_type() { return SHOW_MY_BOOL; }
779.3.10 by Monty Taylor Turned on -Wshadow.	594	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	595	const LEX_STRING *base);
520.1.22 by Brian Aker Second pass of thd cleanup	596	bool check(Session session, set_var var)
1 by brian clean slate	597	{
520.1.22 by Brian Aker Second pass of thd cleanup	598	return check_enum(session, var, &bool_typelib);
1 by brian clean slate	599	}
644 by Brian Aker Clean up warnings for Solaris.	600	bool check_update_type(Item_result)
77.1.7 by Monty Taylor Heap builds clean.	601	{ return 0; }
1 by brian clean slate	602	};
	603
	604
520.1.22 by Brian Aker Second pass of thd cleanup	605	class sys_var_session_enum :public sys_var_session
1 by brian clean slate	606	{
1 by brian clean slate	607	protected:
617 by Brian Aker ulong fixes	608	uint32_t SV::*offset;
1 by brian clean slate	609	TYPELIB *enum_names;
	610	sys_check_func check_func;
	611	public:
520.1.22 by Brian Aker Second pass of thd cleanup	612	sys_var_session_enum(sys_var_chain chain, const char name_arg,
617 by Brian Aker ulong fixes	613	uint32_t SV::offset_arg, TYPELIB typelib,
1 by brian clean slate	614	sys_after_update_func func= NULL,
801.1.1 by Brian Aker Solaris build error fix.	615	sys_check_func check_f= NULL)
520.1.22 by Brian Aker Second pass of thd cleanup	616	:sys_var_session(name_arg, func), offset(offset_arg),
801.1.1 by Brian Aker Solaris build error fix.	617	enum_names(typelib), check_func(check_f)
1 by brian clean slate	618	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	619	bool check(Session session, set_var var)
1 by brian clean slate	620	{
	621	int ret= 0;
	622	if (check_func)
520.1.22 by Brian Aker Second pass of thd cleanup	623	ret= (*check_func)(session, var);
520.1.22 by Brian Aker Second pass of thd cleanup	624	return ret ? ret : check_enum(session, var, enum_names);
1 by brian clean slate	625	}
520.1.22 by Brian Aker Second pass of thd cleanup	626	bool update(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	627	void set_default(Session *session, enum_var_type type);
1 by brian clean slate	628	SHOW_TYPE show_type() { return SHOW_CHAR; }
779.3.10 by Monty Taylor Turned on -Wshadow.	629	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	630	const LEX_STRING *base);
644 by Brian Aker Clean up warnings for Solaris.	631	bool check_update_type(Item_result)
77.1.7 by Monty Taylor Heap builds clean.	632	{ return 0; }
1 by brian clean slate	633	};
	634
	635
	636
520.1.22 by Brian Aker Second pass of thd cleanup	637	class sys_var_session_optimizer_switch :public sys_var_session_enum
1 by brian clean slate	638	{
1 by brian clean slate	639	public:
660.1.3 by Eric Herman removed trailing whitespace with simple script:	640	sys_var_session_optimizer_switch(sys_var_chain chain, const char name_arg,
617 by Brian Aker ulong fixes	641	uint32_t SV::*offset_arg)
520.1.22 by Brian Aker Second pass of thd cleanup	642	:sys_var_session_enum(chain, name_arg, offset_arg, &optimizer_switch_typelib)
1 by brian clean slate	643	{}
520.1.22 by Brian Aker Second pass of thd cleanup	644	bool check(Session session, set_var var)
1 by brian clean slate	645	{
520.1.22 by Brian Aker Second pass of thd cleanup	646	return check_set(session, var, enum_names);
1 by brian clean slate	647	}
520.1.22 by Brian Aker Second pass of thd cleanup	648	void set_default(Session *session, enum_var_type type);
779.3.10 by Monty Taylor Turned on -Wshadow.	649	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	650	const LEX_STRING *base);
617 by Brian Aker ulong fixes	651	static bool symbolic_mode_representation(Session *session, uint32_t sql_mode,
1 by brian clean slate	652	LEX_STRING *rep);
	653	};
	654
	655
520.1.22 by Brian Aker Second pass of thd cleanup	656	class sys_var_session_storage_engine :public sys_var_session
1 by brian clean slate	657	{
1 by brian clean slate	658	protected:
1130.1.4 by Monty Taylor Moved StorageEngine into plugin namespace.	659	drizzled::plugin::StorageEngine SV::offset;
1 by brian clean slate	660	public:
660.1.3 by Eric Herman removed trailing whitespace with simple script:	661	sys_var_session_storage_engine(sys_var_chain chain, const char name_arg,
1130.1.4 by Monty Taylor Moved StorageEngine into plugin namespace.	662	drizzled::plugin::StorageEngine SV::offset_arg)
520.1.22 by Brian Aker Second pass of thd cleanup	663	:sys_var_session(name_arg), offset(offset_arg)
1 by brian clean slate	664	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	665	bool check(Session session, set_var var);
1 by brian clean slate	666	SHOW_TYPE show_type() { return SHOW_CHAR; }
	667	bool check_update_type(Item_result type)
	668	{
	669	return type != STRING_RESULT; /* Only accept strings */
	670	}
520.1.22 by Brian Aker Second pass of thd cleanup	671	void set_default(Session *session, enum_var_type type);
520.1.22 by Brian Aker Second pass of thd cleanup	672	bool update(Session session, set_var var);
779.3.10 by Monty Taylor Turned on -Wshadow.	673	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	674	const LEX_STRING *base);
1 by brian clean slate	675	};
1 by brian clean slate	676
520.1.22 by Brian Aker Second pass of thd cleanup	677	class sys_var_session_bit :public sys_var_session
1 by brian clean slate	678	{
	679	sys_check_func check_func;
	680	sys_update_func update_func;
	681	public:
151 by Brian Aker Ulonglong to uint64_t	682	uint64_t bit_flag;
1 by brian clean slate	683	bool reverse;
520.1.22 by Brian Aker Second pass of thd cleanup	684	sys_var_session_bit(sys_var_chain chain, const char name_arg,
1 by brian clean slate	685	sys_check_func c_func, sys_update_func u_func,
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	686	uint64_t bit, bool reverse_arg=0)
	687	:sys_var_session(name_arg, NULL), check_func(c_func),
1 by brian clean slate	688	update_func(u_func), bit_flag(bit), reverse(reverse_arg)
1 by brian clean slate	689	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	690	bool check(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	691	bool update(Session session, set_var var);
644 by Brian Aker Clean up warnings for Solaris.	692	bool check_update_type(Item_result)
77.1.7 by Monty Taylor Heap builds clean.	693	{ return 0; }
1 by brian clean slate	694	bool check_type(enum_var_type type) { return type == OPT_GLOBAL; }
1 by brian clean slate	695	SHOW_TYPE show_type() { return SHOW_MY_BOOL; }
779.3.10 by Monty Taylor Turned on -Wshadow.	696	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	697	const LEX_STRING *base);
1 by brian clean slate	698	};
	699
	700	/* some variables that require special handling */
	701
	702	class sys_var_timestamp :public sys_var
	703	{
	704	public:
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	705	sys_var_timestamp(sys_var_chain chain, const char name_arg)
	706	:sys_var(name_arg, NULL)
1 by brian clean slate	707	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	708	bool update(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	709	void set_default(Session *session, enum_var_type type);
1 by brian clean slate	710	bool check_type(enum_var_type type) { return type == OPT_GLOBAL; }
644 by Brian Aker Clean up warnings for Solaris.	711	bool check_default(enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	712	{ return 0; }
77.1.7 by Monty Taylor Heap builds clean.	713	SHOW_TYPE show_type(void) { return SHOW_LONG; }
779.3.10 by Monty Taylor Turned on -Wshadow.	714	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	715	const LEX_STRING *base);
1 by brian clean slate	716	};
	717
	718
	719	class sys_var_last_insert_id :public sys_var
	720	{
	721	public:
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	722	sys_var_last_insert_id(sys_var_chain chain, const char name_arg)
	723	:sys_var(name_arg, NULL)
1 by brian clean slate	724	{ chain_sys_var(chain); }
520.1.22 by Brian Aker Second pass of thd cleanup	725	bool update(Session session, set_var var);
1 by brian clean slate	726	bool check_type(enum_var_type type) { return type == OPT_GLOBAL; }
1 by brian clean slate	727	SHOW_TYPE show_type() { return SHOW_LONGLONG; }
779.3.10 by Monty Taylor Turned on -Wshadow.	728	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	729	const LEX_STRING *base);
1 by brian clean slate	730	};
	731
	732
520.1.22 by Brian Aker Second pass of thd cleanup	733	class sys_var_collation :public sys_var_session
1 by brian clean slate	734	{
1 by brian clean slate	735	public:
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	736	sys_var_collation(const char *name_arg)
	737	:sys_var_session(name_arg, NULL)
744 by Brian Aker Removing dead code around one shot.	738	{ }
520.1.22 by Brian Aker Second pass of thd cleanup	739	bool check(Session session, set_var var);
1 by brian clean slate	740	SHOW_TYPE show_type() { return SHOW_CHAR; }
	741	bool check_update_type(Item_result type)
	742	{
	743	return ((type != STRING_RESULT) && (type != INT_RESULT));
	744	}
644 by Brian Aker Clean up warnings for Solaris.	745	bool check_default(enum_var_type) { return 0; }
520.1.22 by Brian Aker Second pass of thd cleanup	746	virtual void set_default(Session *session, enum_var_type type)= 0;
1 by brian clean slate	747	};
	748
	749	class sys_var_collation_sv :public sys_var_collation
	750	{
264.2.6 by Andrey Hristov Constify the usage of CHARSET_INFO almost to the last place in the code.	751	const CHARSET_INFO SV::offset;
	752	const CHARSET_INFO **global_default;
1 by brian clean slate	753	public:
1 by brian clean slate	754	sys_var_collation_sv(sys_var_chain chain, const char name_arg,
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	755	const CHARSET_INFO SV::offset_arg,
	756	const CHARSET_INFO **global_default_arg)
	757	:sys_var_collation(name_arg),
1 by brian clean slate	758	offset(offset_arg), global_default(global_default_arg)
	759	{
	760	chain_sys_var(chain);
	761	}
520.1.22 by Brian Aker Second pass of thd cleanup	762	bool update(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	763	void set_default(Session *session, enum_var_type type);
779.3.10 by Monty Taylor Turned on -Wshadow.	764	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	765	const LEX_STRING *base);
1 by brian clean slate	766	};
	767
	768
	769	class sys_var_key_cache_param :public sys_var
	770	{
	771	protected:
	772	size_t offset;
	773	public:
660.1.3 by Eric Herman removed trailing whitespace with simple script:	774	sys_var_key_cache_param(sys_var_chain chain, const char name_arg,
1 by brian clean slate	775	size_t offset_arg)
	776	:sys_var(name_arg), offset(offset_arg)
	777	{ chain_sys_var(chain); }
779.3.10 by Monty Taylor Turned on -Wshadow.	778	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	779	const LEX_STRING *base);
644 by Brian Aker Clean up warnings for Solaris.	780	bool check_default(enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	781	{ return 1; }
1 by brian clean slate	782	};
	783
	784
	785	class sys_var_key_buffer_size :public sys_var_key_cache_param
	786	{
	787	public:
	788	sys_var_key_buffer_size(sys_var_chain chain, const char name_arg)
	789	:sys_var_key_cache_param(chain, name_arg,
	790	offsetof(KEY_CACHE, param_buff_size))
	791	{}
520.1.22 by Brian Aker Second pass of thd cleanup	792	bool update(Session session, set_var var);
1 by brian clean slate	793	SHOW_TYPE show_type() { return SHOW_LONGLONG; }
	794	};
	795
	796
910.4.18 by Stewart Smith fix alignment of variables (incl key cache). fixes SIGBUS on SPARC64	797	class sys_var_key_cache_uint32_t :public sys_var_key_cache_param
1 by brian clean slate	798	{
1 by brian clean slate	799	public:
910.4.18 by Stewart Smith fix alignment of variables (incl key cache). fixes SIGBUS on SPARC64	800	sys_var_key_cache_uint32_t(sys_var_chain chain, const char name_arg, size_t offset_arg)
1 by brian clean slate	801	:sys_var_key_cache_param(chain, name_arg, offset_arg)
1 by brian clean slate	802	{}
520.1.22 by Brian Aker Second pass of thd cleanup	803	bool update(Session session, set_var var);
910.4.18 by Stewart Smith fix alignment of variables (incl key cache). fixes SIGBUS on SPARC64	804	SHOW_TYPE show_type() { return SHOW_INT; }
1 by brian clean slate	805	};
	806
	807	/* Variable that you can only read from */
	808
	809	class sys_var_readonly: public sys_var
	810	{
	811	public:
	812	enum_var_type var_type;
	813	SHOW_TYPE show_type_value;
	814	sys_value_ptr_func value_ptr_func;
	815	sys_var_readonly(sys_var_chain chain, const char name_arg, enum_var_type type,
	816	SHOW_TYPE show_type_arg,
	817	sys_value_ptr_func value_ptr_func_arg)
660.1.3 by Eric Herman removed trailing whitespace with simple script:	818	:sys_var(name_arg), var_type(type),
1 by brian clean slate	819	show_type_value(show_type_arg), value_ptr_func(value_ptr_func_arg)
1 by brian clean slate	820	{ chain_sys_var(chain); }
644 by Brian Aker Clean up warnings for Solaris.	821	bool update(Session , set_var )
77.1.7 by Monty Taylor Heap builds clean.	822	{ return 1; }
644 by Brian Aker Clean up warnings for Solaris.	823	bool check_default(enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	824	{ return 1; }
1 by brian clean slate	825	bool check_type(enum_var_type type) { return type != var_type; }
644 by Brian Aker Clean up warnings for Solaris.	826	bool check_update_type(Item_result)
77.1.7 by Monty Taylor Heap builds clean.	827	{ return 1; }
779.3.10 by Monty Taylor Turned on -Wshadow.	828	unsigned char value_ptr(Session session, enum_var_type,
779.3.10 by Monty Taylor Turned on -Wshadow.	829	const LEX_STRING *)
1 by brian clean slate	830	{
520.1.22 by Brian Aker Second pass of thd cleanup	831	return (*value_ptr_func)(session);
1 by brian clean slate	832	}
77.1.7 by Monty Taylor Heap builds clean.	833	SHOW_TYPE show_type(void) { return show_type_value; }
77.1.7 by Monty Taylor Heap builds clean.	834	bool is_readonly(void) const { return 1; }
1 by brian clean slate	835	};
	836
	837
	838	class sys_var_have_option: public sys_var
	839	{
	840	protected:
	841	virtual SHOW_COMP_OPTION get_option() = 0;
	842	public:
	843	sys_var_have_option(sys_var_chain chain, const char variable_name):
	844	sys_var(variable_name)
	845	{ chain_sys_var(chain); }
779.3.10 by Monty Taylor Turned on -Wshadow.	846	unsigned char value_ptr(Session , enum_var_type,
779.3.10 by Monty Taylor Turned on -Wshadow.	847	const LEX_STRING *)
1 by brian clean slate	848	{
481 by Brian Aker Remove all of uchar.	849	return (unsigned char*) show_comp_option_name[get_option()];
1 by brian clean slate	850	}
644 by Brian Aker Clean up warnings for Solaris.	851	bool update(Session , set_var ) { return 1; }
644 by Brian Aker Clean up warnings for Solaris.	852	bool check_default(enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	853	{ return 1; }
1 by brian clean slate	854	bool check_type(enum_var_type type) { return type != OPT_GLOBAL; }
644 by Brian Aker Clean up warnings for Solaris.	855	bool check_update_type(Item_result)
77.1.7 by Monty Taylor Heap builds clean.	856	{ return 1; }
1 by brian clean slate	857	SHOW_TYPE show_type() { return SHOW_CHAR; }
	858	bool is_readonly() const { return 1; }
	859	};
	860
	861
	862	class sys_var_have_variable: public sys_var_have_option
	863	{
	864	SHOW_COMP_OPTION *have_variable;
	865
	866	public:
	867	sys_var_have_variable(sys_var_chain chain, const char variable_name,
	868	SHOW_COMP_OPTION *have_variable_arg):
	869	sys_var_have_option(chain, variable_name),
	870	have_variable(have_variable_arg)
	871	{ }
	872	SHOW_COMP_OPTION get_option() { return *have_variable; }
	873	};
	874
	875
	876	class sys_var_have_plugin: public sys_var_have_option
	877	{
	878	const char *plugin_name_str;
482 by Brian Aker Remove uint.	879	const uint32_t plugin_name_len;
1 by brian clean slate	880	const int plugin_type;
	881
	882	public:
	883	sys_var_have_plugin(sys_var_chain chain, const char variable_name,
660.1.3 by Eric Herman removed trailing whitespace with simple script:	884	const char *plugin_name_str_arg, uint32_t plugin_name_len_arg,
1 by brian clean slate	885	int plugin_type_arg):
660.1.3 by Eric Herman removed trailing whitespace with simple script:	886	sys_var_have_option(chain, variable_name),
1 by brian clean slate	887	plugin_name_str(plugin_name_str_arg), plugin_name_len(plugin_name_len_arg),
	888	plugin_type(plugin_type_arg)
	889	{ }
	890	/* the following method is declared in sql_plugin.cc */
	891	SHOW_COMP_OPTION get_option();
	892	};
	893
	894
520.1.22 by Brian Aker Second pass of thd cleanup	895	class sys_var_session_time_zone :public sys_var_session
1 by brian clean slate	896	{
1 by brian clean slate	897	public:
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	898	sys_var_session_time_zone(sys_var_chain chain, const char name_arg)
	899	:sys_var_session(name_arg, NULL)
1 by brian clean slate	900	{
	901	chain_sys_var(chain);
	902	}
520.1.22 by Brian Aker Second pass of thd cleanup	903	bool check(Session session, set_var var);
1 by brian clean slate	904	SHOW_TYPE show_type() { return SHOW_CHAR; }
	905	bool check_update_type(Item_result type)
	906	{
	907	return type != STRING_RESULT; /* Only accept strings */
	908	}
644 by Brian Aker Clean up warnings for Solaris.	909	bool check_default(enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	910	{ return 0; }
520.1.22 by Brian Aker Second pass of thd cleanup	911	bool update(Session session, set_var var);
779.3.10 by Monty Taylor Turned on -Wshadow.	912	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	913	const LEX_STRING *base);
520.1.22 by Brian Aker Second pass of thd cleanup	914	virtual void set_default(Session *session, enum_var_type type);
1 by brian clean slate	915	};
	916
	917
520.1.22 by Brian Aker Second pass of thd cleanup	918	class sys_var_microseconds :public sys_var_session
1 by brian clean slate	919	{
151 by Brian Aker Ulonglong to uint64_t	920	uint64_t SV::*offset;
1 by brian clean slate	921	public:
1 by brian clean slate	922	sys_var_microseconds(sys_var_chain chain, const char name_arg,
151 by Brian Aker Ulonglong to uint64_t	923	uint64_t SV::*offset_arg):
520.1.22 by Brian Aker Second pass of thd cleanup	924	sys_var_session(name_arg), offset(offset_arg)
1 by brian clean slate	925	{ chain_sys_var(chain); }
644 by Brian Aker Clean up warnings for Solaris.	926	bool check(Session , set_var ) {return 0;}
520.1.22 by Brian Aker Second pass of thd cleanup	927	bool update(Session session, set_var var);
520.1.22 by Brian Aker Second pass of thd cleanup	928	void set_default(Session *session, enum_var_type type);
1 by brian clean slate	929	SHOW_TYPE show_type() { return SHOW_DOUBLE; }
	930	bool check_update_type(Item_result type)
	931	{
	932	return (type != INT_RESULT && type != REAL_RESULT && type != DECIMAL_RESULT);
	933	}
	934	};
	935
520.1.22 by Brian Aker Second pass of thd cleanup	936	class sys_var_session_lc_time_names :public sys_var_session
1 by brian clean slate	937	{
1 by brian clean slate	938	public:
1018 by Brian Aker Remove "BINLOG" from variables (we don't need this for our replication).	939	sys_var_session_lc_time_names(sys_var_chain chain, const char name_arg)
	940	: sys_var_session(name_arg, NULL)
1 by brian clean slate	941	{
	942	chain_sys_var(chain);
	943	}
520.1.22 by Brian Aker Second pass of thd cleanup	944	bool check(Session session, set_var var);
1 by brian clean slate	945	SHOW_TYPE show_type() { return SHOW_CHAR; }
	946	bool check_update_type(Item_result type)
	947	{
	948	return ((type != STRING_RESULT) && (type != INT_RESULT));
	949	}
644 by Brian Aker Clean up warnings for Solaris.	950	bool check_default(enum_var_type)
77.1.7 by Monty Taylor Heap builds clean.	951	{ return 0; }
520.1.22 by Brian Aker Second pass of thd cleanup	952	bool update(Session session, set_var var);
779.3.10 by Monty Taylor Turned on -Wshadow.	953	unsigned char value_ptr(Session session, enum_var_type type,
779.3.10 by Monty Taylor Turned on -Wshadow.	954	const LEX_STRING *base);
520.1.22 by Brian Aker Second pass of thd cleanup	955	virtual void set_default(Session *session, enum_var_type type);
1 by brian clean slate	956	};
	957
	958
	959	/****************************************************************************
	960	Classes for parsing of the SET command
	961	****************************************************************************/
	962
	963	class set_var_base :public Sql_alloc
	964	{
	965	public:
	966	set_var_base() {}
	967	virtual ~set_var_base() {}
520.1.22 by Brian Aker Second pass of thd cleanup	968	virtual int check(Session session)=0; / To check privileges etc. */
520.1.22 by Brian Aker Second pass of thd cleanup	969	virtual int update(Session session)=0; / To set the value */
1 by brian clean slate	970	/* light check for PS */
	971	};
	972
141 by Brian Aker Code cleanup. Mainly dead stuff :)	973	/* MySQL internal variables */
1 by brian clean slate	974	class set_var :public set_var_base
	975	{
	976	public:
	977	sys_var *var;
	978	Item *value;
	979	enum_var_type type;
	980	union
	981	{
264.2.6 by Andrey Hristov Constify the usage of CHARSET_INFO almost to the last place in the code.	982	const CHARSET_INFO *charset;
520.4.14 by Monty Taylor Removed korr.h and tztime.h from common_includes. Also removed the HAVE_DTRACE block and stuck it in autoconf.	983	uint32_t uint32_t_value;
151 by Brian Aker Ulonglong to uint64_t	984	uint64_t uint64_t_value;
629.4.1 by Monty Taylor First step in support size_t sys_var stuff.	985	size_t size_t_value;
1130.1.4 by Monty Taylor Moved StorageEngine into plugin namespace.	986	drizzled::plugin::StorageEngine *storage_engine;
1 by brian clean slate	987	Time_zone *time_zone;
	988	MY_LOCALE *locale_value;
	989	} save_result;
	990	LEX_STRING base; /* for structs */
	991
	992	set_var(enum_var_type type_arg, sys_var *var_arg,
	993	const LEX_STRING base_name_arg, Item value_arg)
	994	:var(var_arg), type(type_arg), base(*base_name_arg)
	995	{
	996	/*
	997	If the set value is a field, change it to a string to allow things like
	998	SET table_type=MYISAM;
	999	*/
	1000	if (value_arg && value_arg->type() == Item::FIELD_ITEM)
	1001	{
	1002	Item_field item= (Item_field) value_arg;
660.1.3 by Eric Herman removed trailing whitespace with simple script:	1003	if (!(value=new Item_string(item->field_name,
895 by Brian Aker Completion (?) of uint conversion.	1004	(uint32_t) strlen(item->field_name),
1 by brian clean slate	1005	item->collation.collation)))
	1006	value=value_arg; /* Give error message later */
	1007	}
	1008	else
	1009	value=value_arg;
	1010	}
520.1.22 by Brian Aker Second pass of thd cleanup	1011	int check(Session *session);
520.1.22 by Brian Aker Second pass of thd cleanup	1012	int update(Session *session);
1 by brian clean slate	1013	};
	1014
	1015
	1016	/* User variables like @my_own_variable */
	1017
	1018	class set_var_user: public set_var_base
	1019	{
	1020	Item_func_set_user_var *user_var_item;
	1021	public:
	1022	set_var_user(Item_func_set_user_var *item)
	1023	:user_var_item(item)
	1024	{}
520.1.22 by Brian Aker Second pass of thd cleanup	1025	int check(Session *session);
520.1.22 by Brian Aker Second pass of thd cleanup	1026	int update(Session *session);
1 by brian clean slate	1027	};
	1028
	1029
	1030	/* For sql_yacc */
	1031	struct sys_var_with_base
	1032	{
	1033	sys_var *var;
	1034	LEX_STRING base_name;
	1035	};
	1036
	1037	/*
	1038	Prototypes for helper functions
	1039	*/
	1040
	1041	int set_var_init();
	1042	void set_var_free();
482 by Brian Aker Remove uint.	1043	int mysql_append_static_vars(const SHOW_VAR *show_vars, uint32_t count);
520.1.22 by Brian Aker Second pass of thd cleanup	1044	SHOW_VAR* enumerate_sys_vars(Session *session, bool sorted);
1101.1.27 by Monty Taylor Fixed the plugin string valgrind leak.	1045	void drizzle_add_plugin_sysvar(sys_var_pluginvar *var);
	1046	void drizzle_del_plugin_sysvar();
1 by brian clean slate	1047	int mysql_add_sys_var_chain(sys_var chain, struct my_option long_options);
1 by brian clean slate	1048	int mysql_del_sys_var_chain(sys_var *chain);
520.1.22 by Brian Aker Second pass of thd cleanup	1049	sys_var find_sys_var(Session session, const char *str, uint32_t length=0);
520.1.22 by Brian Aker Second pass of thd cleanup	1050	int sql_set_variables(Session session, List<set_var_base> var_list);
1 by brian clean slate	1051	bool not_all_support_one_shot(List<set_var_base> *var_list);
520.1.22 by Brian Aker Second pass of thd cleanup	1052	extern sys_var_session_time_zone sys_time_zone;
520.1.22 by Brian Aker Second pass of thd cleanup	1053	extern sys_var_session_bit sys_autocommit;
264.2.6 by Andrey Hristov Constify the usage of CHARSET_INFO almost to the last place in the code.	1054	const CHARSET_INFO get_old_charset_by_name(const char old_name);
1 by brian clean slate	1055
	1056	extern sys_var_str sys_var_general_log_path, sys_var_slow_log_path;
	1057
575.1.6 by Monty Taylor Cleaned up some headers for PCH.	1058	#endif /* DRIZZLED_ITEM_SET_H */