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49 lines
939 B
C
49 lines
939 B
C
#ifndef __TXTIDX_H__
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#define __TXTIDX_H__
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/*
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#define TXTIDX_DEBUG
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*/
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#include "postgres.h"
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#include "access/gist.h"
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#include "access/itup.h"
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#include "utils/elog.h"
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#include "utils/palloc.h"
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#include "utils/builtins.h"
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#include "storage/bufpage.h"
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typedef struct
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{
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uint16 len;
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uint16 pos;
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} WordEntry;
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typedef struct
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{
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int4 len;
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int4 size;
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char data[1];
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} txtidx;
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#define DATAHDRSIZE (sizeof(int4)*2)
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#define CALCDATASIZE(x, lenstr) ( x * sizeof(WordEntry) + DATAHDRSIZE + lenstr )
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#define ARRPTR(x) ( (WordEntry*) ( (char*)x + DATAHDRSIZE ) )
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#define STRPTR(x) ( (char*)x + DATAHDRSIZE + ( sizeof(WordEntry) * ((txtidx*)x)->size ) )
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#define STRSIZE(x) ( ((txtidx*)x)->len - DATAHDRSIZE - ( sizeof(WordEntry) * ((txtidx*)x)->size ) )
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typedef struct
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{
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char *prsbuf;
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char *word;
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char *curpos;
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int4 len;
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int4 state;
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bool oprisdelim;
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} TI_IN_STATE;
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int4 gettoken_txtidx(TI_IN_STATE * state);
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#endif
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