granicus.if.org Git - postgresql/blob - src/include/executor/spi.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * spi.h
   4  *
   5  * $Id: spi.h,v 1.36 2003/03/10 03:53:51 tgl Exp $
   6  *
   7  *-------------------------------------------------------------------------
   8  */
   9 #ifndef SPI_H
  10 #define SPI_H
  11
  12 /*
  13  * This file may be used by client modules that haven't already
  14  * included postgres.h
  15  */
  16 #include "postgres.h"
  17
  18 /*
  19  *      These are not needed by this file, but used by other programs
  20  *      using SPI
  21  */
  22 #include "nodes/primnodes.h"
  23 #include "nodes/relation.h"
  24 #include "nodes/execnodes.h"
  25 #include "nodes/plannodes.h"
  26 #include "catalog/pg_proc.h"
  27 #include "catalog/pg_type.h"
  28 #include "tcop/pquery.h"
  29 #include "tcop/tcopprot.h"
  30 #include "tcop/utility.h"
  31 #include "tcop/dest.h"
  32 #include "nodes/params.h"
  33 #include "utils/builtins.h"
  34 #include "utils/datum.h"
  35 #include "utils/portal.h"
  36 #include "utils/syscache.h"
  37 #include "catalog/pg_language.h"
  38 #include "access/heapam.h"
  39 #include "access/xact.h"
  40 #include "executor/executor.h"
  41 #include "executor/execdefs.h"
  42
  43 typedef struct
  44 {
  45         MemoryContext tuptabcxt;        /* memory context of result table */
  46         uint32          alloced;                /* # of alloced vals */
  47         uint32          free;                   /* # of free vals */
  48         TupleDesc       tupdesc;                /* tuple descriptor */
  49         HeapTuple  *vals;                       /* tuples */
  50 } SPITupleTable;
  51
  52 #define SPI_ERROR_CONNECT               (-1)
  53 #define SPI_ERROR_COPY                  (-2)
  54 #define SPI_ERROR_OPUNKNOWN             (-3)
  55 #define SPI_ERROR_UNCONNECTED   (-4)
  56 #define SPI_ERROR_CURSOR                (-5)
  57 #define SPI_ERROR_ARGUMENT              (-6)
  58 #define SPI_ERROR_PARAM                 (-7)
  59 #define SPI_ERROR_TRANSACTION   (-8)
  60 #define SPI_ERROR_NOATTRIBUTE   (-9)
  61 #define SPI_ERROR_NOOUTFUNC             (-10)
  62 #define SPI_ERROR_TYPUNKNOWN    (-11)
  63
  64 #define SPI_OK_CONNECT                  1
  65 #define SPI_OK_FINISH                   2
  66 #define SPI_OK_FETCH                    3
  67 #define SPI_OK_UTILITY                  4
  68 #define SPI_OK_SELECT                   5
  69 #define SPI_OK_SELINTO                  6
  70 #define SPI_OK_INSERT                   7
  71 #define SPI_OK_DELETE                   8
  72 #define SPI_OK_UPDATE                   9
  73 #define SPI_OK_CURSOR                   10
  74
  75 extern DLLIMPORT uint32 SPI_processed;
  76 extern DLLIMPORT Oid SPI_lastoid;
  77 extern DLLIMPORT SPITupleTable *SPI_tuptable;
  78 extern DLLIMPORT int SPI_result;
  79
  80 extern int      SPI_connect(void);
  81 extern int      SPI_finish(void);
  82 extern void SPI_push(void);
  83 extern void SPI_pop(void);
  84 extern int      SPI_exec(const char *src, int tcount);
  85 extern int      SPI_execp(void *plan, Datum *values, const char *Nulls,
  86                                           int tcount);
  87 extern void *SPI_prepare(const char *src, int nargs, Oid *argtypes);
  88 extern void *SPI_saveplan(void *plan);
  89 extern int      SPI_freeplan(void *plan);
  90
  91 extern HeapTuple SPI_copytuple(HeapTuple tuple);
  92 extern TupleDesc SPI_copytupledesc(TupleDesc tupdesc);
  93 extern TupleTableSlot *SPI_copytupleintoslot(HeapTuple tuple,
  94                                           TupleDesc tupdesc);
  95 extern HeapTuple SPI_modifytuple(Relation rel, HeapTuple tuple, int natts,
  96                                 int *attnum, Datum *Values, const char *Nulls);
  97 extern int      SPI_fnumber(TupleDesc tupdesc, const char *fname);
  98 extern char *SPI_fname(TupleDesc tupdesc, int fnumber);
  99 extern char *SPI_getvalue(HeapTuple tuple, TupleDesc tupdesc, int fnumber);
 100 extern Datum SPI_getbinval(HeapTuple tuple, TupleDesc tupdesc, int fnumber, bool *isnull);
 101 extern char *SPI_gettype(TupleDesc tupdesc, int fnumber);
 102 extern Oid      SPI_gettypeid(TupleDesc tupdesc, int fnumber);
 103 extern char *SPI_getrelname(Relation rel);
 104 extern void *SPI_palloc(Size size);
 105 extern void *SPI_repalloc(void *pointer, Size size);
 106 extern void SPI_pfree(void *pointer);
 107 extern void SPI_freetuple(HeapTuple pointer);
 108 extern void SPI_freetuptable(SPITupleTable *tuptable);
 109
 110 extern Portal SPI_cursor_open(const char *name, void *plan,
 111                                 Datum *Values, const char *Nulls);
 112 extern Portal SPI_cursor_find(const char *name);
 113 extern void SPI_cursor_fetch(Portal portal, bool forward, int count);
 114 extern void SPI_cursor_move(Portal portal, bool forward, int count);
 115 extern void SPI_cursor_close(Portal portal);
 116
 117 extern void AtEOXact_SPI(void);
 118
 119 #endif   /* SPI_H */