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C++ GETQUERY函数代码示例

本文整理汇总了C++中GETQUERY函数的典型用法代码示例。如果您正苦于以下问题：C++ GETQUERY函数的具体用法？C++ GETQUERY怎么用？C++ GETQUERY使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了GETQUERY函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: to_tsquery

Datum
to_tsquery(PG_FUNCTION_ARGS)
{
	text	   *in = PG_GETARG_TEXT_P(1);
	char	   *str;
	QUERYTYPE  *query;
	ITEM	   *res;
	int4		len;

	SET_FUNCOID();

	str = text2char(in);
	PG_FREE_IF_COPY(in, 1);

	query = queryin(str, pushval_morph, PG_GETARG_INT32(0));
	res = clean_fakeval_v2(GETQUERY(query), &len);
	if (!res)
	{
		query->len = HDRSIZEQT;
		query->size = 0;
		PG_RETURN_POINTER(query);
	}
	memcpy((void *) GETQUERY(query), (void *) res, len * sizeof(ITEM));
	pfree(res);
	PG_RETURN_POINTER(query);
}
开发者ID:berkeley-cs186，项目名称:course-fa07，代码行数:26，代码来源:query.c

示例2: gin_ts_consistent

Datum
gin_ts_consistent(PG_FUNCTION_ARGS)
{
	bool	   *check = (bool *) PG_GETARG_POINTER(0);
	QUERYTYPE  *query = (QUERYTYPE *) PG_DETOAST_DATUM(PG_GETARG_DATUM(2));
	bool		res = FALSE;

	if (query->size > 0)
	{
		int4		i,
					j = 0;
		ITEM	   *item;
		GinChkVal	gcv;

		gcv.frst = item = GETQUERY(query);
		gcv.mapped_check = (bool *) palloc(sizeof(bool) * query->size);

		for (i = 0; i < query->size; i++)
			if (item[i].type == VAL)
				gcv.mapped_check[i] = check[j++];


		res = TS_execute(
						 GETQUERY(query),
						 &gcv,
						 true,
						 checkcondition_gin
			);

	}

	PG_FREE_IF_COPY(query, 2);
	PG_RETURN_BOOL(res);
}
开发者ID:berkeley-cs186，项目名称:course-fa07，代码行数:34，代码来源:ginidx.c

示例3: gin_bool_consistent

bool
gin_bool_consistent(QUERYTYPE *query, bool *check)
{
	GinChkVal	gcv;
	ITEM	   *items = GETQUERY(query);
	int			i,
				j = 0;

	if (query->size <= 0)
		return FALSE;

	/*
	 * Set up data for checkcondition_gin.  This must agree with the
	 * query extraction code in ginint4_queryextract.
	 */
	gcv.first = items;
	gcv.mapped_check = (bool *) palloc(sizeof(bool) * query->size);
	for (i = 0; i < query->size; i++)
	{
		if (items[i].type == VAL)
			gcv.mapped_check[i] = check[j++];
	}

	return execute(GETQUERY(query) + query->size - 1,
				   (void *) &gcv, true,
				   checkcondition_gin);
}
开发者ID:cbbrowne，项目名称:postgres，代码行数:27，代码来源:_int_bool.c

示例4: CompareTSQ

static int
CompareTSQ(TSQuery a, TSQuery b)
{
	if (a->size != b->size)
	{
		return (a->size < b->size) ? -1 : 1;
	}
	else if (VARSIZE(a) != VARSIZE(b))
	{
		return (VARSIZE(a) < VARSIZE(b)) ? -1 : 1;
	}
	else if (a->size != 0)
	{
		QTNode	   *an = QT2QTN(GETQUERY(a), GETOPERAND(a));
		QTNode	   *bn = QT2QTN(GETQUERY(b), GETOPERAND(b));
		int			res = QTNodeCompare(an, bn);

		QTNFree(an);
		QTNFree(bn);

		return res;
	}

	return 0;
}
开发者ID:winlibs，项目名称:postgresql，代码行数:25，代码来源:tsquery_op.c

示例5: cleanup_tsquery_stopwords

/*
 * Remove QI_VALSTOP (stopword) nodes from TSQuery.
 */
TSQuery
cleanup_tsquery_stopwords(TSQuery in)
{
	int32		len,
				lenstr,
				commonlen,
				i;
	NODE	   *root;
	int			ladd,
				radd;
	TSQuery		out;
	QueryItem  *items;
	char	   *operands;

	if (in->size == 0)
		return in;

	/* eliminate stop words */
	root = clean_stopword_intree(maketree(GETQUERY(in)), &ladd, &radd);
	if (root == NULL)
	{
		ereport(NOTICE,
				(errmsg("text-search query contains only stop words or doesn't contain lexemes, ignored")));
		out = palloc(HDRSIZETQ);
		out->size = 0;
		SET_VARSIZE(out, HDRSIZETQ);
		return out;
	}

	/*
	 * Build TSQuery from plain view
	 */

	lenstr = calcstrlen(root);
	items = plaintree(root, &len);
	commonlen = COMPUTESIZE(len, lenstr);

	out = palloc(commonlen);
	SET_VARSIZE(out, commonlen);
	out->size = len;

	memcpy(GETQUERY(out), items, len * sizeof(QueryItem));

	items = GETQUERY(out);
	operands = GETOPERAND(out);
	for (i = 0; i < out->size; i++)
	{
		QueryOperand *op = (QueryOperand *) &items[i];

		if (op->type != QI_VAL)
			continue;

		memcpy(operands, GETOPERAND(in) + op->distance, op->length);
		operands[op->length] = '\0';
		op->distance = operands - GETOPERAND(out);
		operands += op->length + 1;
	}

	return out;
}
开发者ID:winlibs，项目名称:postgresql，代码行数:63，代码来源:tsquery_cleanup.c

示例6: gin_tsquery_consistent

datum_t gin_tsquery_consistent(PG_FUNC_ARGS)
{
	bool *check = (bool *) ARG_POINTER(0);

	/* strat_nr_t strategy = ARG_UINT16(1); */
	TSQuery query = ARG_TSQUERY(2);

	/* int32 nkeys = ARG_INT32(3); */
	pointer_p *extra_data = (pointer_p *) ARG_POINTER(4);
	bool *recheck = (bool *) ARG_POINTER(5);
	bool res = FALSE;

	/* The query requires recheck only if it involves weights */
	*recheck = false;

	if (query->size > 0) {
		QueryItem *item;
		GinChkVal gcv;

		/*
		 * check-parameter array has one entry for each value (operand) in the
		 * query.
		 */
		gcv.first_item = item = GETQUERY(query);
		gcv.check = check;
		gcv.map_item_operand = (int *)(extra_data[0]);
		gcv.need_recheck = recheck;

		res = TS_execute(GETQUERY(query), &gcv, true, checkcondition_gin);
	}

	RET_BOOL(res);
}
开发者ID:colinet，项目名称:sqlix，代码行数:33，代码来源:tsginidx.c

示例7: gin_extract_tsquery

Datum
gin_extract_tsquery(PG_FUNCTION_ARGS)
{
	TSQuery		query = PG_GETARG_TSQUERY(0);
	int32	   *nentries = (int32 *) PG_GETARG_POINTER(1);
	StrategyNumber strategy = PG_GETARG_UINT16(2);
	Datum	   *entries = NULL;

	*nentries = 0;

	if (query->size > 0)
	{
		int4		i,
					j = 0,
					len;
		QueryItem  *item;

		item = clean_NOT(GETQUERY(query), &len);
		if (!item)
			ereport(ERROR,
					(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
					 errmsg("query requires full scan, which is not supported by GIN indexes")));

		item = GETQUERY(query);

		for (i = 0; i < query->size; i++)
			if (item[i].type == QI_VAL)
				(*nentries)++;

		entries = (Datum *) palloc(sizeof(Datum) * (*nentries));

		for (i = 0; i < query->size; i++)
			if (item[i].type == QI_VAL)
			{
				text	   *txt;
				QueryOperand *val = &item[i].operand;

				txt = (text *) palloc(VARHDRSZ + val->length);

				SET_VARSIZE(txt, VARHDRSZ + val->length);
				memcpy(VARDATA(txt), GETOPERAND(query) + val->distance, val->length);

				entries[j++] = PointerGetDatum(txt);

				if (strategy != TSearchWithClassStrategyNumber && val->weight != 0)
					ereport(ERROR,
							(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
							 errmsg("@@ operator does not support lexeme weight restrictions in GIN index searches"),
							 errhint("Use the @@@ operator instead.")));
			}
	}
	else
		*nentries = -1;			/* nothing can be found */

	PG_FREE_IF_COPY(query, 0);

	PG_RETURN_POINTER(entries);
}
开发者ID:50wu，项目名称:gpdb，代码行数:58，代码来源:tsginidx.c

示例8: tsq_mcontains

Datum
tsq_mcontains(PG_FUNCTION_ARGS)
{
	TSQuery		query = PG_GETARG_TSQUERY(0);
	TSQuery		ex = PG_GETARG_TSQUERY(1);
	TSQuerySign sq,
				se;
	int			i,
				j;
	QueryItem  *iq,
			   *ie;

	if (query->size < ex->size)
	{
		PG_FREE_IF_COPY(query, 0);
		PG_FREE_IF_COPY(ex, 1);

		PG_RETURN_BOOL(false);
	}

	sq = makeTSQuerySign(query);
	se = makeTSQuerySign(ex);

	if ((sq & se) != se)
	{
		PG_FREE_IF_COPY(query, 0);
		PG_FREE_IF_COPY(ex, 1);

		PG_RETURN_BOOL(false);
	}

	iq = GETQUERY(query);
	ie = GETQUERY(ex);

	for (i = 0; i < ex->size; i++)
	{
		if (ie[i].type != QI_VAL)
			continue;
		for (j = 0; j < query->size; j++)
		{
			if (iq[j].type == QI_VAL &&
				ie[i].qoperand.valcrc == iq[j].qoperand.valcrc)
				break;
		}
		if (j >= query->size)
		{
			PG_FREE_IF_COPY(query, 0);
			PG_FREE_IF_COPY(ex, 1);

			PG_RETURN_BOOL(false);
		}
	}

	PG_FREE_IF_COPY(query, 0);
	PG_FREE_IF_COPY(ex, 1);

	PG_RETURN_BOOL(true);
}
开发者ID:Joe-xXx，项目名称:postgres-old-soon-decommissioned，代码行数:58，代码来源:tsquery_op.c

示例9: tsquery_rewrite

Datum
tsquery_rewrite(PG_FUNCTION_ARGS)
{
	TSQuery		query = PG_GETARG_TSQUERY_COPY(0);
	TSQuery		ex = PG_GETARG_TSQUERY(1);
	TSQuery		subst = PG_GETARG_TSQUERY(2);
	TSQuery		rewrited = query;
	QTNode	   *tree,
			   *qex,
			   *subs = NULL;

	if (query->size == 0 || ex->size == 0)
	{
		PG_FREE_IF_COPY(ex, 1);
		PG_FREE_IF_COPY(subst, 2);
		PG_RETURN_POINTER(rewrited);
	}

	tree = QT2QTN(GETQUERY(query), GETOPERAND(query));
	QTNTernary(tree);
	QTNSort(tree);

	qex = QT2QTN(GETQUERY(ex), GETOPERAND(ex));
	QTNTernary(qex);
	QTNSort(qex);

	if (subst->size)
		subs = QT2QTN(GETQUERY(subst), GETOPERAND(subst));

	tree = findsubquery(tree, qex, subs, NULL);

	QTNFree(qex);
	QTNFree(subs);

	if (!tree)
	{
		SET_VARSIZE(rewrited, HDRSIZETQ);
		rewrited->size = 0;
		PG_FREE_IF_COPY(ex, 1);
		PG_FREE_IF_COPY(subst, 2);
		PG_RETURN_POINTER(rewrited);
	}
	else
	{
		QTNBinary(tree);
		rewrited = QTN2QT(tree);
		QTNFree(tree);
	}

	PG_FREE_IF_COPY(query, 0);
	PG_FREE_IF_COPY(ex, 1);
	PG_FREE_IF_COPY(subst, 2);
	PG_RETURN_POINTER(rewrited);
}
开发者ID:0x0FFF，项目名称:postgres，代码行数:54，代码来源:tsquery_rewrite.c

示例10: tsquery_rewrite_query

Datum
tsquery_rewrite_query(PG_FUNCTION_ARGS)
{
	QUERYTYPE  *query = (QUERYTYPE *) DatumGetPointer(PG_DETOAST_DATUM_COPY(PG_GETARG_DATUM(0)));
	QUERYTYPE  *ex = (QUERYTYPE *) DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(1)));
	QUERYTYPE  *subst = (QUERYTYPE *) DatumGetPointer(PG_DETOAST_DATUM(PG_GETARG_DATUM(2)));
	QUERYTYPE  *rewrited = query;
	QTNode	   *tree,
			   *qex,
			   *subs = NULL;

	if (query->size == 0 || ex->size == 0)
	{
		PG_FREE_IF_COPY(ex, 1);
		PG_FREE_IF_COPY(subst, 2);
		PG_RETURN_POINTER(rewrited);
	}

	tree = QT2QTN(GETQUERY(query), GETOPERAND(query));
	QTNTernary(tree);
	QTNSort(tree);

	qex = QT2QTN(GETQUERY(ex), GETOPERAND(ex));
	QTNTernary(qex);
	QTNSort(qex);

	if (subst->size)
		subs = QT2QTN(GETQUERY(subst), GETOPERAND(subst));

	tree = findsubquery(tree, qex, PlainMemory, subs, NULL);
	QTNFree(qex);
	QTNFree(subs);

	if (!tree)
	{
		rewrited->len = HDRSIZEQT;
		rewrited->size = 0;
		PG_FREE_IF_COPY(ex, 1);
		PG_FREE_IF_COPY(subst, 2);
		PG_RETURN_POINTER(rewrited);
	}
	else
	{
		QTNBinary(tree);
		rewrited = QTN2QT(tree, PlainMemory);
		QTNFree(tree);
	}

	PG_FREE_IF_COPY(query, 0);
	PG_FREE_IF_COPY(ex, 1);
	PG_FREE_IF_COPY(subst, 2);
	PG_RETURN_POINTER(rewrited);
}
开发者ID:berkeley-cs186，项目名称:course-fa07，代码行数:53，代码来源:query_rewrite.c

示例11: gin_extract_tsquery

Datum
gin_extract_tsquery(PG_FUNCTION_ARGS)
{
	QUERYTYPE  *query = (QUERYTYPE *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
	uint32	   *nentries = (uint32 *) PG_GETARG_POINTER(1);
	StrategyNumber strategy = DatumGetUInt16(PG_GETARG_DATUM(2));
	Datum	   *entries = NULL;

	*nentries = 0;
	if (query->size > 0)
	{
		int4		i,
					j = 0,
					len;
		ITEM	   *item;

		item = clean_NOT_v2(GETQUERY(query), &len);
		if (!item)
			elog(ERROR, "Query requires full scan, GIN doesn't support it");

		item = GETQUERY(query);

		for (i = 0; i < query->size; i++)
			if (item[i].type == VAL)
				(*nentries)++;

		entries = (Datum *) palloc(sizeof(Datum) * (*nentries));

		for (i = 0; i < query->size; i++)
			if (item[i].type == VAL)
			{
				text	   *txt;

				txt = (text *) palloc(VARHDRSZ + item[i].length);

				VARATT_SIZEP(txt) = VARHDRSZ + item[i].length;
				memcpy(VARDATA(txt), GETOPERAND(query) + item[i].distance, item[i].length);

				entries[j++] = PointerGetDatum(txt);

				if (strategy == 1 && item[i].weight != 0)
					elog(ERROR, "With class of lexeme restrictions use @@@ operation");
			}

	}

	PG_FREE_IF_COPY(query, 0);
	PG_RETURN_POINTER(entries);
}
开发者ID:berkeley-cs186，项目名称:course-fa07，代码行数:49，代码来源:ginidx.c

示例12: hlfinditem

static void
hlfinditem(HeadlineParsedText *prs, TSQuery query, char *buf, int buflen)
{
	int			i;
	QueryItem  *item = GETQUERY(query);
	HeadlineWordEntry *word;

	while (prs->curwords + query->size >= prs->lenwords)
	{
		prs->lenwords *= 2;
		prs->words = (HeadlineWordEntry *) repalloc((void *) prs->words, prs->lenwords * sizeof(HeadlineWordEntry));
	}

	word = &(prs->words[prs->curwords - 1]);
	for (i = 0; i < query->size; i++)
	{
		if (item->type == QI_VAL &&
			tsCompareString(GETOPERAND(query) + item->qoperand.distance, item->qoperand.length,
							buf, buflen, item->qoperand.prefix) == 0)
		{
			if (word->item)
			{
				memcpy(&(prs->words[prs->curwords]), word, sizeof(HeadlineWordEntry));
				prs->words[prs->curwords].item = &item->qoperand;
				prs->words[prs->curwords].repeated = 1;
				prs->curwords++;
			}
			else
				word->item = &item->qoperand;
		}
		item++;
	}
}
开发者ID:adunstan，项目名称:pg-cvs-mirror，代码行数:33，代码来源:ts_parse.c

示例13: QTN2QT

TSQuery
QTN2QT(QTNode *in)
{
	TSQuery		out;
	int			len;
	int			sumlen = 0,
				nnode = 0;
	QTN2QTState state;

	cntsize(in, &sumlen, &nnode);

	if (TSQUERY_TOO_BIG(nnode, sumlen))
		ereport(ERROR,
				(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
				 errmsg("tsquery is too large")));
	len = COMPUTESIZE(nnode, sumlen);

	out = (TSQuery) palloc0(len);
	SET_VARSIZE(out, len);
	out->size = nnode;

	state.curitem = GETQUERY(out);
	state.operand = state.curoperand = GETOPERAND(out);

	fillQT(&state, in);
	return out;
}
开发者ID:5A68656E67，项目名称:postgres，代码行数:27，代码来源:tsquery_util.c

示例14: hlfinditem

static void
hlfinditem(HLPRSTEXT * prs, QUERYTYPE * query, char *buf, int buflen)
{
    int			i;
    ITEM	   *item = GETQUERY(query);
    HLWORD	   *word;

    while (prs->curwords + query->size >= prs->lenwords)
    {
        prs->lenwords *= 2;
        prs->words = (HLWORD *) repalloc((void *) prs->words, prs->lenwords * sizeof(HLWORD));
    }

    word = &(prs->words[prs->curwords - 1]);
    for (i = 0; i < query->size; i++)
    {
        if (item->type == VAL && item->length == buflen && strncmp(GETOPERAND(query) + item->distance, buf, buflen) == 0)
        {
            if (word->item)
            {
                memcpy(&(prs->words[prs->curwords]), word, sizeof(HLWORD));
                prs->words[prs->curwords].item = item;
                prs->words[prs->curwords].repeated = 1;
                prs->curwords++;
            }
            else
                word->item = item;
        }
        item++;
    }
}
开发者ID:merlintang，项目名称:sgb，代码行数:31，代码来源:ts_cfg.c

示例15: tsquery_not

Datum
tsquery_not(PG_FUNCTION_ARGS)
{
	TSQuery		a = PG_GETARG_TSQUERY_COPY(0);
	QTNode	   *res;
	TSQuery		query;

	if (a->size == 0)
		PG_RETURN_POINTER(a);

	res = (QTNode *) palloc0(sizeof(QTNode));

	res->flags |= QTN_NEEDFREE;

	res->valnode = (QueryItem *) palloc0(sizeof(QueryItem));
	res->valnode->type = QI_OPR;
	res->valnode->qoperator.oper = OP_NOT;

	res->child = (QTNode **) palloc0(sizeof(QTNode *));
	res->child[0] = QT2QTN(GETQUERY(a), GETOPERAND(a));
	res->nchild = 1;

	query = QTN2QT(res);

	QTNFree(res);
	PG_FREE_IF_COPY(a, 0);

	PG_RETURN_POINTER(query);
}
开发者ID:winlibs，项目名称:postgresql，代码行数:29，代码来源:tsquery_op.c


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