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/*-------------------------------------------------------------------------
*
* spi.h
* Server Programming Interface public declarations
*
* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/executor/spi.h
*
*-------------------------------------------------------------------------
*/
#ifndef SPI_H
#define SPI_H
#include "nodes/parsenodes.h"
#include "utils/portal.h"
typedef struct SPITupleTable
{
MemoryContext tuptabcxt; /* memory context of result table */
uint32 alloced; /* # of alloced vals */
uint32 free; /* # of free vals */
TupleDesc tupdesc; /* tuple descriptor */
HeapTuple *vals; /* tuples */
} SPITupleTable;
/* Plans are opaque structs for standard users of SPI */
typedef struct _SPI_plan *SPIPlanPtr;
#define SPI_ERROR_CONNECT (-1)
#define SPI_ERROR_COPY (-2)
#define SPI_ERROR_OPUNKNOWN (-3)
#define SPI_ERROR_UNCONNECTED (-4)
#define SPI_ERROR_CURSOR (-5) /* not used anymore */
#define SPI_ERROR_ARGUMENT (-6)
#define SPI_ERROR_PARAM (-7)
#define SPI_ERROR_TRANSACTION (-8)
#define SPI_ERROR_NOATTRIBUTE (-9)
#define SPI_ERROR_NOOUTFUNC (-10)
#define SPI_ERROR_TYPUNKNOWN (-11)
#define SPI_OK_CONNECT 1
#define SPI_OK_FINISH 2
#define SPI_OK_FETCH 3
#define SPI_OK_UTILITY 4
#define SPI_OK_SELECT 5
#define SPI_OK_SELINTO 6
#define SPI_OK_INSERT 7
#define SPI_OK_DELETE 8
#define SPI_OK_UPDATE 9
#define SPI_OK_CURSOR 10
#define SPI_OK_INSERT_RETURNING 11
#define SPI_OK_DELETE_RETURNING 12
#define SPI_OK_UPDATE_RETURNING 13
#define SPI_OK_REWRITTEN 14
extern PGDLLIMPORT uint32 SPI_processed;
extern PGDLLIMPORT Oid SPI_lastoid;
extern PGDLLIMPORT SPITupleTable *SPI_tuptable;
extern PGDLLIMPORT int SPI_result;
extern int SPI_connect(void);
extern int SPI_finish(void);
extern void SPI_push(void);
extern void SPI_pop(void);
extern bool SPI_push_conditional(void);
extern void SPI_pop_conditional(bool pushed);
extern void SPI_restore_connection(void);
extern int SPI_execute(const char *src, bool read_only, long tcount);
extern int SPI_execute_plan(SPIPlanPtr plan, Datum *Values, const char *Nulls,
bool read_only, long tcount);
extern int SPI_execute_plan_with_paramlist(SPIPlanPtr plan,
ParamListInfo params,
bool read_only, long tcount);
extern int SPI_exec(const char *src, long tcount);
extern int SPI_execp(SPIPlanPtr plan, Datum *Values, const char *Nulls,
long tcount);
extern int SPI_execute_snapshot(SPIPlanPtr plan,
Datum *Values, const char *Nulls,
Snapshot snapshot,
Snapshot crosscheck_snapshot,
bool read_only, bool fire_triggers, long tcount);
extern int SPI_execute_with_args(const char *src,
int nargs, Oid *argtypes,
Datum *Values, const char *Nulls,
bool read_only, long tcount);
extern SPIPlanPtr SPI_prepare(const char *src, int nargs, Oid *argtypes);
extern SPIPlanPtr SPI_prepare_cursor(const char *src, int nargs, Oid *argtypes,
int cursorOptions);
extern SPIPlanPtr SPI_prepare_params(const char *src,
ParserSetupHook parserSetup,
void *parserSetupArg,
int cursorOptions);
extern int SPI_keepplan(SPIPlanPtr plan);
extern SPIPlanPtr SPI_saveplan(SPIPlanPtr plan);
extern int SPI_freeplan(SPIPlanPtr plan);
extern Oid SPI_getargtypeid(SPIPlanPtr plan, int argIndex);
extern int SPI_getargcount(SPIPlanPtr plan);
extern bool SPI_is_cursor_plan(SPIPlanPtr plan);
extern bool SPI_plan_is_valid(SPIPlanPtr plan);
extern const char *SPI_result_code_string(int code);
extern List *SPI_plan_get_plan_sources(SPIPlanPtr plan);
extern CachedPlan *SPI_plan_get_cached_plan(SPIPlanPtr plan);
extern HeapTuple SPI_copytuple(HeapTuple tuple);
extern HeapTupleHeader SPI_returntuple(HeapTuple tuple, TupleDesc tupdesc);
extern HeapTuple SPI_modifytuple(Relation rel, HeapTuple tuple, int natts,
int *attnum, Datum *Values, const char *Nulls);
extern int SPI_fnumber(TupleDesc tupdesc, const char *fname);
extern char *SPI_fname(TupleDesc tupdesc, int fnumber);
extern char *SPI_getvalue(HeapTuple tuple, TupleDesc tupdesc, int fnumber);
extern Datum SPI_getbinval(HeapTuple tuple, TupleDesc tupdesc, int fnumber, bool *isnull);
extern char *SPI_gettype(TupleDesc tupdesc, int fnumber);
extern Oid SPI_gettypeid(TupleDesc tupdesc, int fnumber);
extern char *SPI_getrelname(Relation rel);
extern char *SPI_getnspname(Relation rel);
extern void *SPI_palloc(Size size);
extern void *SPI_repalloc(void *pointer, Size size);
extern void SPI_pfree(void *pointer);
extern void SPI_freetuple(HeapTuple pointer);
extern void SPI_freetuptable(SPITupleTable *tuptable);
extern Portal SPI_cursor_open(const char *name, SPIPlanPtr plan,
Datum *Values, const char *Nulls, bool read_only);
extern Portal SPI_cursor_open_with_args(const char *name,
const char *src,
int nargs, Oid *argtypes,
Datum *Values, const char *Nulls,
bool read_only, int cursorOptions);
extern Portal SPI_cursor_open_with_paramlist(const char *name, SPIPlanPtr plan,
ParamListInfo params, bool read_only);
extern Portal SPI_cursor_find(const char *name);
extern void SPI_cursor_fetch(Portal portal, bool forward, long count);
extern void SPI_cursor_move(Portal portal, bool forward, long count);
extern void SPI_scroll_cursor_fetch(Portal, FetchDirection direction, long count);
extern void SPI_scroll_cursor_move(Portal, FetchDirection direction, long count);
extern void SPI_cursor_close(Portal portal);
extern void AtEOXact_SPI(bool isCommit);
extern void AtEOSubXact_SPI(bool isCommit, SubTransactionId mySubid);
#endif /* SPI_H */