postgresql/contrib/tsearch2/ts_stat.h

35 lines
790 B
C

#ifndef __TXTIDX_STAT_H__
#define __TXTIDX_STAT_H__
#include "postgres.h"
#include "access/gist.h"
#include "access/itup.h"
#include "utils/builtins.h"
#include "storage/bufpage.h"
#include "tsvector.h"
typedef struct
{
uint32 len;
uint32 pos;
uint32 ndoc;
uint32 nentry;
} StatEntry;
typedef struct
{
int4 len;
int4 size;
int4 weight;
char data[1];
} tsstat;
#define STATHDRSIZE (sizeof(int4) * 4)
#define CALCSTATSIZE(x, lenstr) ( (x) * sizeof(StatEntry) + STATHDRSIZE + (lenstr) )
#define STATPTR(x) ( (StatEntry*) ( (char*)(x) + STATHDRSIZE ) )
#define STATSTRPTR(x) ( (char*)(x) + STATHDRSIZE + ( sizeof(StatEntry) * ((tsvector*)(x))->size ) )
#define STATSTRSIZE(x) ( ((tsvector*)(x))->len - STATHDRSIZE - ( sizeof(StatEntry) * ((tsvector*)(x))->size ) )
#endif