diff options
Diffstat (limited to 'src/include/utils/guc.h')
| -rw-r--r-- | src/include/utils/guc.h | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/src/include/utils/guc.h b/src/include/utils/guc.h index a6eb17f6cfe..ce1b10be839 100644 --- a/src/include/utils/guc.h +++ b/src/include/utils/guc.h @@ -4,13 +4,15 @@ * External declarations pertaining to backend/utils/misc/guc.c and * backend/utils/misc/guc-file.l * - * $Id: guc.h,v 1.16 2002/03/24 04:31:09 tgl Exp $ + * $Id: guc.h,v 1.17 2002/05/17 01:19:19 tgl Exp $ */ #ifndef GUC_H #define GUC_H +#include "nodes/pg_list.h" #include "utils/array.h" + /* * Certain options can only be set at certain times. The rules are * like this: @@ -52,30 +54,45 @@ typedef enum * The following type records the source of the current setting. A * new setting can only take effect if the previous setting had the * same or lower level. (E.g, changing the config file doesn't - * override the postmaster command line.) + * override the postmaster command line.) Tracking the source allows us + * to process sources in any convenient order without affecting results. + * Sources <= PGC_S_OVERRIDE will set the default used by RESET, as well + * as the current value. */ typedef enum { PGC_S_DEFAULT = 0, /* wired-in default */ - PGC_S_FILE = 1, /* postgresql.conf */ - PGC_S_ARGV = 2, /* postmaster command line */ - PGC_S_DATABASE = 3, /* per-database setting */ - PGC_S_USER = 4, /* per-user setting */ - PGC_S_CLIENT = 5, /* from client (PGOPTIONS) */ - PGC_S_SESSION = 6, /* SET command */ - PGC_S_INFINITY = 100 /* can be used to avoid checks */ + PGC_S_ENV_VAR = 1, /* postmaster environment variable */ + PGC_S_FILE = 2, /* postgresql.conf */ + PGC_S_ARGV = 3, /* postmaster command line */ + PGC_S_DATABASE = 4, /* per-database setting */ + PGC_S_USER = 5, /* per-user setting */ + PGC_S_CLIENT = 6, /* from client (PGOPTIONS) */ + PGC_S_OVERRIDE = 7, /* special case to forcibly set default */ + PGC_S_SESSION = 8 /* SET command */ } GucSource; extern void SetConfigOption(const char *name, const char *value, GucContext context, GucSource source); extern const char *GetConfigOption(const char *name); +extern const char *GetConfigOptionResetString(const char *name); extern void ProcessConfigFile(GucContext context); -extern void ResetAllOptions(bool isStartup); +extern void InitializeGUCOptions(void); +extern void ResetAllOptions(void); +extern void AtEOXact_GUC(bool isCommit); extern void ParseLongOption(const char *string, char **name, char **value); extern bool set_config_option(const char *name, const char *value, - GucContext context, bool DoIt, GucSource source); + GucContext context, GucSource source, + bool isLocal, bool DoIt); +extern void ShowGUCConfigOption(const char *name); extern void ShowAllGUCConfig(void); +extern void SetPGVariable(const char *name, List *args, bool is_local); +extern void GetPGVariable(const char *name); +extern void ResetPGVariable(const char *name); + +extern char *flatten_set_variable_args(const char *name, List *args); + extern void ProcessGUCArray(ArrayType *array, GucSource source); extern ArrayType *GUCArrayAdd(ArrayType *array, const char *name, const char *value); extern ArrayType *GUCArrayDelete(ArrayType *array, const char *name); |