mirror of
https://github.com/simtactics/niotso.git
synced 2025-03-29 06:07:45 +00:00
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* foreign.h
|
|
* support for foreign-data wrappers, servers and user mappings.
|
|
*
|
|
*
|
|
* Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
|
|
*
|
|
* src/include/foreign/foreign.h
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef FOREIGN_H
|
|
#define FOREIGN_H
|
|
|
|
#include "nodes/parsenodes.h"
|
|
|
|
|
|
/* Helper for obtaining username for user mapping */
|
|
#define MappingUserName(userid) \
|
|
(OidIsValid(userid) ? GetUserNameFromId(userid) : "public")
|
|
|
|
|
|
/*
|
|
* Generic option types for validation.
|
|
* NB! Thes are treated as flags, so use only powers of two here.
|
|
*/
|
|
typedef enum
|
|
{
|
|
ServerOpt = 1, /* options applicable to SERVER */
|
|
UserMappingOpt = 2, /* options for USER MAPPING */
|
|
FdwOpt = 4 /* options for FOREIGN DATA WRAPPER */
|
|
} GenericOptionFlags;
|
|
|
|
typedef struct ForeignDataWrapper
|
|
{
|
|
Oid fdwid; /* FDW Oid */
|
|
Oid owner; /* FDW owner user Oid */
|
|
char *fdwname; /* Name of the FDW */
|
|
Oid fdwhandler; /* Oid of handler function, or 0 */
|
|
Oid fdwvalidator; /* Oid of validator function, or 0 */
|
|
List *options; /* fdwoptions as DefElem list */
|
|
} ForeignDataWrapper;
|
|
|
|
typedef struct ForeignServer
|
|
{
|
|
Oid serverid; /* server Oid */
|
|
Oid fdwid; /* foreign-data wrapper */
|
|
Oid owner; /* server owner user Oid */
|
|
char *servername; /* name of the server */
|
|
char *servertype; /* server type, optional */
|
|
char *serverversion; /* server version, optional */
|
|
List *options; /* srvoptions as DefElem list */
|
|
} ForeignServer;
|
|
|
|
typedef struct UserMapping
|
|
{
|
|
Oid userid; /* local user Oid */
|
|
Oid serverid; /* server Oid */
|
|
List *options; /* useoptions as DefElem list */
|
|
} UserMapping;
|
|
|
|
typedef struct ForeignTable
|
|
{
|
|
Oid relid; /* relation Oid */
|
|
Oid serverid; /* server Oid */
|
|
List *options; /* ftoptions as DefElem list */
|
|
} ForeignTable;
|
|
|
|
|
|
extern ForeignServer *GetForeignServer(Oid serverid);
|
|
extern ForeignServer *GetForeignServerByName(const char *name, bool missing_ok);
|
|
extern UserMapping *GetUserMapping(Oid userid, Oid serverid);
|
|
extern ForeignDataWrapper *GetForeignDataWrapper(Oid fdwid);
|
|
extern ForeignDataWrapper *GetForeignDataWrapperByName(const char *name,
|
|
bool missing_ok);
|
|
extern ForeignTable *GetForeignTable(Oid relid);
|
|
|
|
extern Oid get_foreign_data_wrapper_oid(const char *fdwname, bool missing_ok);
|
|
extern Oid get_foreign_server_oid(const char *servername, bool missing_ok);
|
|
|
|
#endif /* FOREIGN_H */
|