postgresql/src/include/commands/variable.h

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/*
* Headers for handling of 'SET var TO', 'SHOW var' and 'RESET var'
1997-04-23 07:52:32 +02:00
* statements
*
* $Id: variable.h,v 1.4 1998/07/18 18:34:21 momjian Exp $
*
*/
#ifndef VARIABLE_H
#define VARIABLE_H 1
enum DateFormat
{
Date_Postgres, Date_SQL, Date_ISO
};
/*-----------------------------------------------------------------------*/
struct PGVariables
{
struct
{
bool euro;
enum DateFormat format;
} date;
};
extern struct PGVariables PGVariables;
/*-----------------------------------------------------------------------*/
bool SetPGVariable(const char *, const char *);
bool GetPGVariable(const char *);
bool ResetPGVariable(const char *);
extern bool set_date(void);
extern bool show_date(void);
extern bool reset_date(void);
extern bool parse_date(const char *);
extern bool set_timezone(void);
extern bool show_timezone(void);
extern bool reset_timezone(void);
extern bool parse_timezone(const char *);
extern bool set_cost_heap(void);
extern bool show_cost_heap(void);
extern bool reset_cost_heap(void);
extern bool parse_cost_heap(const char *);
extern bool set_cost_index(void);
extern bool show_cost_index(void);
extern bool reset_cost_index(void);
extern bool parse_cost_index(const char *);
extern bool set_r_plans(void);
extern bool show_r_plans(void);
extern bool reset_r_plans(void);
extern bool parse_r_plans(const char *);
extern bool set_geqo(void);
extern bool show_geqo(void);
extern bool reset_geqo(void);
extern bool parse_geqo(const char *);
#ifdef MULTIBYTE
extern bool show_client_encoding(void);
extern bool reset_client_encoding(void);
extern bool parse_client_encoding(const char *);
extern int pg_set_client_encoding(int);
extern int pg_get_client_encoding(void);
extern unsigned char *pg_client_to_server(unsigned char *, int);
extern unsigned char *pg_server_to_client(unsigned char *, int);
extern int pg_valid_client_encoding(const char *);
extern const char *pg_encoding_to_char(int);
extern int pg_char_to_encoding(const char *);
#endif
#endif /* VARIABLE_H */