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#ifndef __QUERY_H__
#define __QUERY_H__
/*
#define BS_DEBUG
*/
#include "ts_locale.h"
/*
* item in polish notation with back link
* to left operand
*/
typedef struct ITEM
{
int8 type;
int8 weight;
int2 left;
int4 val;
/* user-friendly value, must correlate with WordEntry */
uint32
istrue:1, /* use for ranking in Cover */
length:11,
distance:20;
} ITEM;
/*
*Storage:
* (len)(size)(array of ITEM)(array of operand in user-friendly form)
*/
typedef struct
{
int4 len;
int4 size;
char data[1];
} QUERYTYPE;
#define HDRSIZEQT ( 2 * sizeof(int4) )
#define COMPUTESIZE(size,lenofoperand) ( HDRSIZEQT + (size) * sizeof(ITEM) + (lenofoperand) )
#define GETQUERY(x) (ITEM*)( (char*)(x)+HDRSIZEQT )
#define GETOPERAND(x) ( (char*)GETQUERY(x) + ((QUERYTYPE*)(x))->size * sizeof(ITEM) )
#define ISOPERATOR(x) ( pg_mblen(x)==1 && ( *(x)=='!' || *(x)=='&' || *(x)=='|' || *(x)=='(' || *(x)==')' ) )
#define END 0
#define ERR 1
#define VAL 2
#define OPR 3
#define OPEN 4
#define CLOSE 5
#define VALSTOP 6 /* for stop words */
bool TS_execute(ITEM *curitem, void *checkval,
bool calcnot, bool (*chkcond) (void *checkval, ITEM *val));
#endif
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