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C++ BBPunfix函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中BBPunfix函数的典型用法代码示例。如果您正苦于以下问题：C++ BBPunfix函数的具体用法？C++ BBPunfix怎么用？C++ BBPunfix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BBPunfix函数的20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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: CMDconvertbat

static str
CMDconvertbat(MalStkPtr stk, InstrPtr pci, int tp, int abort_on_error)
{
	bat *bid;
	BAT *b, *bn, *s = NULL;

	bid = getArgReference_bat(stk, pci, 1);
	if ((b = BATdescriptor(*bid)) == NULL)
		throw(MAL, "batcalc.convert", SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
	if (pci->argc == 3) {
		bat *sid = getArgReference_bat(stk, pci, 2);
		if (*sid && (s = BATdescriptor(*sid)) == NULL) {
			BBPunfix(b->batCacheid);
			throw(MAL, "batcalc.convert", SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
		}
	}

	bn = BATconvert(b, s, tp, abort_on_error);
	BBPunfix(b->batCacheid);
	if (s)
		BBPunfix(s->batCacheid);
	if (bn == NULL) {
		char buf[20];
		snprintf(buf, sizeof(buf), "batcalc.%s", ATOMname(tp));
		return mythrow(MAL, buf, OPERATION_FAILED);
	}
	bid = getArgReference_bat(stk, pci, 0);
	BBPkeepref(*bid = bn->batCacheid);
	return MAL_SUCCEED;
}
开发者ID:cran，项目名称:MonetDBLite，代码行数:30，代码来源:batcalc.c


示例2: ITRnextChunk

/*
 * The nextChunk version advances the reader,
 * which also means that the view descriptor is already available.
 * The granule size may differ in each call.
 */
str
ITRnextChunk(lng *res, int *vid, int *bid, lng *granule)
{
	BAT *b, *view;
	BUN i;

	if ((b = BATdescriptor(*bid)) == NULL) {
			throw(MAL, "iterator.nextChunk", INTERNAL_BAT_ACCESS);
	}
	if ((view = BATdescriptor(*vid)) == NULL) {
		BBPunfix(b->batCacheid);
		throw(MAL, "iterator.nextChunk", INTERNAL_BAT_ACCESS);
	}
	i = (BUN) (*res + BATcount(view));
	if (i >= BUNlast(b)) {
		*res = lng_nil;
		*vid = 0;
		BBPunfix(view->batCacheid);
		BBPunfix(b->batCacheid);
		return MAL_SUCCEED;
	}
	/* printf("set bat chunk bound to " BUNFMT " - " BUNFMT " \n",
	   i, i+(BUN) *granule-1); */
	VIEWbounds(b, view, i, i + (BUN) * granule);
	BATseqbase(view, b->hseqbase == oid_nil ? oid_nil : b->hseqbase + i - BUNfirst(b));
	BBPkeepref(*vid = view->batCacheid);
	BBPunfix(b->batCacheid);
	*res = i;
	return MAL_SUCCEED;
}
开发者ID:digideskio，项目名称:monetdb，代码行数:35，代码来源:iterator.c


示例3: ITRbunNext

str
ITRbunNext(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
{
	BATiter bi;
	BAT *b;
	oid *head;
	bat *bid;
	ValPtr tail;

	(void) cntxt;
	(void) mb;
	head = (oid *) getArgReference(stk, pci, 0);
	tail = getArgReference(stk,pci,1);
	bid = (bat *) getArgReference(stk, pci, 2);

	if ((b = BATdescriptor(*bid)) == NULL) {
		throw(MAL, "iterator.nextChunk", INTERNAL_BAT_ACCESS);
	}

	*head = (BUN)*head + 1;
	if (*head >= BUNlast(b)) {
		*head = oid_nil;
		BBPunfix(b->batCacheid);
		return MAL_SUCCEED;
	}
 	bi = bat_iterator(b);
	VALinit(tail, b->ttype, BUNtail(bi, *(BUN*) head));
	BBPunfix(b->batCacheid);
	return MAL_SUCCEED;
}
开发者ID:digideskio，项目名称:monetdb，代码行数:30，代码来源:iterator.c


示例4: CMDbatUNARY1

static str
CMDbatUNARY1(MalStkPtr stk, InstrPtr pci, int abort_on_error,
			 BAT *(*batfunc)(BAT *, BAT *, int), const char *malfunc)
{
	bat *bid;
	BAT *bn, *b, *s = NULL;

	bid = getArgReference_bat(stk, pci, 1);
	if ((b = BATdescriptor(*bid)) == NULL)
		throw(MAL, malfunc, SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
	if (pci->argc == 3) {
		bat *sid = getArgReference_bat(stk, pci, 2);
		if (*sid && (s = BATdescriptor(*sid)) == NULL) {
			BBPunfix(b->batCacheid);
			throw(MAL, malfunc, SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
		}
	}

	bn = (*batfunc)(b, s, abort_on_error);
	BBPunfix(b->batCacheid);
	if (s)
		BBPunfix(s->batCacheid);
	if (bn == NULL) {
		return mythrow(MAL, malfunc, OPERATION_FAILED);
	}
	bid = getArgReference_bat(stk, pci, 0);
	BBPkeepref(*bid = bn->batCacheid);
	return MAL_SUCCEED;
}
开发者ID:cran，项目名称:MonetDBLite，代码行数:29，代码来源:batcalc.c


示例5: CMDcalcavg

str
CMDcalcavg(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
{
	dbl avg;
	BUN vals;
	bat *bid;
	BAT *b, *s = NULL;
	gdk_return ret;

	(void) cntxt;
	(void) mb;

	bid = getArgReference_bat(stk, pci, pci->retc + 0);
	if ((b = BATdescriptor(*bid)) == NULL)
		throw(MAL, "aggr.avg", SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
	if (pci->retc == pci->retc + 2) {
		bat *sid = getArgReference_bat(stk, pci, pci->retc + 1);
		if (*sid && (s = BATdescriptor(*sid)) == NULL) {
			BBPunfix(b->batCacheid);
			throw(MAL, "aggr.avg", SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
		}
	}
	ret = BATcalcavg(b, s, &avg, &vals);
	BBPunfix(b->batCacheid);
	if (s)
		BBPunfix(s->batCacheid);
	if (ret != GDK_SUCCEED)
		return mythrow(MAL, "aggr.avg", OPERATION_FAILED);
	* getArgReference_dbl(stk, pci, 0) = avg;
	if (pci->retc == 2)
		* getArgReference_lng(stk, pci, 1) = vals;
	return MAL_SUCCEED;
}
开发者ID:cran，项目名称:MonetDBLite，代码行数:33，代码来源:batcalc.c


示例6: ITRbunIterator

/*
 * @-
 * The BUN- and BAT-stream manipulate a long handle, i.e.
 * the destination variable. It assumes it has been set to
 * zero as part of runtime stack initialization. Subsequently,
 * it fetches a bun and returns the increment to the control
 * variable. If it returns zero the control variable has been reset
 * to zero and end of stream has been reached.
 */
str
ITRbunIterator(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
{
	BATiter bi;
	BAT *b;
	oid *head;
	bat *bid;
	ValPtr tail;

	(void) cntxt;
	(void) mb;
	head = getArgReference_oid(stk, pci, 0);
	tail = &stk->stk[pci->argv[1]];
	bid = getArgReference_bat(stk, pci, 2);

	if ((b = BATdescriptor(*bid)) == NULL) {
		throw(MAL, "iterator.nextChunk", INTERNAL_BAT_ACCESS);
	}

	if (BATcount(b) == 0) {
		*head = oid_nil;
		BBPunfix(b->batCacheid);
		return MAL_SUCCEED;
	}
	*head = BUNfirst(b);

 	bi = bat_iterator(b);
	VALinit(tail, b->ttype, BUNtail(bi, *(BUN*) head));
	BBPunfix(b->batCacheid);
	return MAL_SUCCEED;
}
开发者ID:Mytherin，项目名称:MonetDBLite，代码行数:40，代码来源:iterator.c


示例7: db_password_wrap

str
db_password_wrap(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
{
	(void) mb;

	if (stk->stk[pci->argv[0]].vtype == TYPE_bat) {
		BAT *b = BATdescriptor(*getArgReference_bat(stk, pci, 1));
		if (b == NULL)
			throw(SQL, "sql.password", SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
		BAT *bn = COLnew(b->hseqbase, TYPE_str, BATcount(b), TRANSIENT);
		if (bn == NULL) {
			BBPunfix(b->batCacheid);
			throw(SQL, "sql.password", SQLSTATE(HY001) MAL_MALLOC_FAIL);
		}
		BATiter bi = bat_iterator(b);
		BUN p, q;
		BATloop(b, p, q) {
			char *hash, *msg;
			msg = AUTHgetPasswordHash(&hash, cntxt, BUNtvar(bi, p));
			if (msg != MAL_SUCCEED) {
				BBPunfix(b->batCacheid);
				BBPreclaim(bn);
				return msg;
			}
			if (BUNappend(bn, hash, false) != GDK_SUCCEED) {
				BBPunfix(b->batCacheid);
				BBPreclaim(bn);
				throw(SQL, "sql.password", SQLSTATE(HY001) MAL_MALLOC_FAIL);
			}
			GDKfree(hash);
		}
开发者ID:MonetDB，项目名称:MonetDB，代码行数:31，代码来源:sql_user.c


示例8: BATXMLxml2str

str
BATXMLxml2str(bat *ret, const bat *bid)
{
	BAT *b, *bn;
	BUN p, q;
	BATiter bi;

	if ((b = BATdescriptor(*bid)) == NULL)
		throw(MAL, "xml.str", INTERNAL_BAT_ACCESS);
	prepareResult(bn, b, TYPE_str, "str", (void) 0);
	bi = bat_iterator(b);
	BATloop(b, p, q) {
		const char *t = (const char *) BUNtail(bi, p);

		if (strNil(t)) {
			bunfastapp(bn, t);
			bn->T->nonil = 0;
		} else {
			assert(*t == 'A' || *t == 'C' || *t == 'D');
			bunfastapp(bn, t + 1);
		}
	}
	finalizeResult(ret, bn, b);
	return MAL_SUCCEED;
  bunins_failed:
	BBPunfix(b->batCacheid);
	BBPunfix(bn->batCacheid);
	throw(MAL, "xml.str", OPERATION_FAILED " during bulk coercion");
}
开发者ID:f7753，项目名称:monetdb，代码行数:29，代码来源:batxml.c


示例9: BKCappend_force_wrap

char *
BKCappend_force_wrap(bat *r, const bat *bid, const bat *uid, const bit *force)
{
	BAT *b, *u;
	gdk_return ret;

	if ((b = BATdescriptor(*bid)) == NULL)
		throw(MAL, "bat.append", RUNTIME_OBJECT_MISSING);
	if ((u = BATdescriptor(*uid)) == NULL) {
		BBPunfix(b->batCacheid);
		throw(MAL, "bat.append", RUNTIME_OBJECT_MISSING);
	}
	if (BATcount(u) == 0) {
		ret = GDK_SUCCEED;
	} else {
		if ((b = setaccess(b, BAT_WRITE)) == NULL)
			throw(MAL, "bat.append", OPERATION_FAILED);
		ret = BATappend(b, u, *force);
	}
	BBPunfix(u->batCacheid);
	if (ret != GDK_SUCCEED) {
		BBPunfix(b->batCacheid);
		throw(MAL, "bat.append", GDK_EXCEPTION);
	}
	if( b->batPersistence == PERSISTENT)
		BATmsync(b);
	BBPkeepref(*r = b->batCacheid);
	return MAL_SUCCEED;
}
开发者ID:sekcheong，项目名称:monetdb，代码行数:29，代码来源:bat5.c


示例10: BKCdelete_bat_bun

str
BKCdelete_bat_bun(bat *r, const bat *bid, const bat *sid)
{
	BAT *b, *s;
	gdk_return ret;

	if (*bid == *sid)
		return BKCdelete_all(r, bid);
	if ((b = BATdescriptor(*bid)) == NULL)
		throw(MAL, "bat.delete", RUNTIME_OBJECT_MISSING);
	if ((s = BATdescriptor(*sid)) == NULL) {
		BBPunfix(b->batCacheid);
		throw(MAL, "bat.delete", RUNTIME_OBJECT_MISSING);
	}
	ret = BATdel(b, s, FALSE);
	BBPunfix(s->batCacheid);
	if (ret != GDK_SUCCEED) {
		BBPunfix(b->batCacheid);
		 throw(MAL, "bat.delete_bat_bun", GDK_EXCEPTION);
	}
	if( b->batPersistence == PERSISTENT)
		BATmsync(b);
	BBPkeepref(*r = b->batCacheid);
	return MAL_SUCCEED;
}
开发者ID:sekcheong，项目名称:monetdb，代码行数:25，代码来源:bat5.c


示例11: BKCmirror

str
BKCmirror(bat *ret, const bat *bid)
{
	BAT *b, *bn;

	if ((b = BATdescriptor(*bid)) == NULL) {
		throw(MAL, "bat.mirror", RUNTIME_OBJECT_MISSING);
	}
	bn = VIEWcombine(b);
	if (bn != NULL) {
		if (b->batRestricted == BAT_WRITE) {
			BAT *bn1;
			bn1 = BATcopy(bn, bn->htype, bn->ttype, FALSE, TRANSIENT);
			BBPreclaim(bn);
			bn = bn1;
		}
		if (bn != NULL) {
			*ret = bn->batCacheid;
			BBPkeepref(*ret);
			BBPunfix(b->batCacheid);
			return MAL_SUCCEED;
		}
	}
	*ret = 0;
	BBPunfix(b->batCacheid);
	throw(MAL, "bat.mirror", GDK_EXCEPTION);
}
开发者ID:sekcheong，项目名称:monetdb，代码行数:27，代码来源:bat5.c


示例12: SQLgetColumnSize

/* calculate the footprint for optimizer pipe line choices
 * and identify empty columns upfront for just in time optimizers.
 */
static lng
SQLgetColumnSize(sql_trans *tr, sql_column *c, int access)
{
	lng size = 0;
	BAT *b;
	switch(access){
	case 0:
		b= store_funcs.bind_col(tr, c, RDONLY);
		if (b) {
			size += getBatSpace(b);
			BBPunfix(b->batCacheid);
		}
		break;
	case 1:
		b = store_funcs.bind_col(tr, c, RD_INS);
		if (b) {
			size+= getBatSpace(b);
			BBPunfix(b->batCacheid);
		}
		break;
	case 2:
		b = store_funcs.bind_col(tr, c, RD_UPD_VAL);
		if (b) {
			size += getBatSpace(b);
			BBPunfix(b->batCacheid);
		}
		b = store_funcs.bind_col(tr, c, RD_UPD_ID);
		if (b) {
			size+= getBatSpace(b);
			BBPunfix(b->batCacheid);
		}
	}
	return size;
}
开发者ID:MonetDB，项目名称:MonetDB，代码行数:37，代码来源:sql_optimizer.c


示例13: batstr_2time_timestamptz

str
batstr_2time_timestamptz(bat *res, const bat *bid, const int *digits, int *tz)
{
	BAT *b, *dst;
	BATiter bi;
	BUN p, q;
	char *msg = NULL;

	if ((b = BATdescriptor(*bid)) == NULL) {
		throw(SQL, "batcalc.str_2time_timestamp", "Cannot access descriptor");
	}
	bi = bat_iterator(b);
	dst = BATnew(TYPE_void, TYPE_timestamp, BATcount(b), TRANSIENT);
	if (dst == NULL) {
		BBPunfix(b->batCacheid);
		throw(SQL, "sql.timestamp", MAL_MALLOC_FAIL);
	}
	BATseqbase(dst, b->hseqbase);
	BATloop(b, p, q) {
		char *v = (char *) BUNtail(bi, p);
		union {
			lng l;
			timestamp r;
		} u;
		msg = str_2time_timestamptz(&u.r, &v, digits, tz);
		if (msg) {
			BBPunfix(dst->batCacheid);
			BBPunfix(b->batCacheid);
			return msg;
		}
		BUNappend(dst, &u.r, FALSE);
	}
开发者ID:f7753，项目名称:monetdb，代码行数:32，代码来源:sql_bat2time.c


示例14: BATXMLdocument

str
BATXMLdocument(bat *ret, const bat *bid)
{
	BAT *b, *bn;
	BUN p, q;
	BATiter bi;
	size_t size = BUFSIZ;
	str buf = GDKmalloc(size);
	const char *err = OPERATION_FAILED;

	if (buf == NULL)
		throw(MAL,"xml.document",MAL_MALLOC_FAIL);
	if ((b = BATdescriptor(*bid)) == NULL) {
		GDKfree(buf);
		throw(MAL, "xml.document", INTERNAL_BAT_ACCESS);
	}
	prepareResult(bn, b, TYPE_xml, "document", GDKfree(buf));
	bi = bat_iterator(b);
	BATloop(b, p, q) {
		const char *t = (const char *) BUNtail(bi, p);
		xmlDocPtr doc;
		int len;
		xmlChar *s;

		if (strNil(t)) {
			bunfastapp(bn, str_nil);
			bn->T->nonil = 0;
			continue;
		}
		len = (int) strlen(t);
		doc = xmlParseMemory(t, len);
		if (doc == NULL) {
			err = OPERATION_FAILED XML_PARSE_ERROR;
			goto bunins_failed;
		}
		xmlDocDumpMemory(doc, &s, &len);
		xmlFreeDoc(doc);
		if ((size_t) len + 2 >= size) {
			GDKfree(buf);
			size = (size_t) len + 128;
			buf = GDKmalloc(size);
			if (buf == NULL) {
				err= MAL_MALLOC_FAIL;
				goto bunins_failed;
			}
		}
		buf[0] = 'D';
		strcpy(buf + 1, (char *) s);
		bunfastapp(bn, buf);
	}
	GDKfree(buf);
	finalizeResult(ret, bn, b);
	return MAL_SUCCEED;
  bunins_failed:
	GDKfree(buf);
	BBPunfix(b->batCacheid);
	BBPunfix(bn->batCacheid);
	throw(MAL, "xml.document", "%s", err);
}
开发者ID:f7753，项目名称:monetdb，代码行数:59，代码来源:batxml.c


示例15: BATXMLcomment

str
BATXMLcomment(bat *ret, const bat *bid)
{
	BAT *b, *bn;
	BUN p, q;
	size_t size = BUFSIZ;
	str buf = GDKmalloc(size);
	BATiter bi;
	const char *err= OPERATION_FAILED;

	if (buf == NULL)
		throw(MAL, "xml.comment", MAL_MALLOC_FAIL);
	if ((b = BATdescriptor(*bid)) == NULL) {
		GDKfree(buf);
		throw(MAL, "xml.comment", INTERNAL_BAT_ACCESS);
	}
	prepareResult(bn, b, TYPE_xml, "comment", GDKfree(buf));
	bi = bat_iterator(b);
	BATloop(b, p, q) {
		const char *t = (const char *) BUNtail(bi, p);
		size_t len;

		if (strNil(t)) {
			bunfastapp(bn, str_nil);
			bn->T->nonil = 0;
			continue;
		}
		if (strstr(t, "--") != NULL) {
			err = XML_COMMENT_ERROR;
			goto bunins_failed;
		}
		len = strlen(t);
		if (len + 9 >= size) {
			/* make sure there is enough space */
			size = len + 128;
			/* free/malloc so we don't copy */
			GDKfree(buf);
			buf = GDKmalloc(size);
			if (buf == NULL) {
				err = MAL_MALLOC_FAIL;
				goto bunins_failed;
			}
		}
		snprintf(buf, size, "C<!--%s-->", t);
		bunfastapp(bn, buf);
	}
	GDKfree(buf);
	finalizeResult(ret, bn, b);
	return MAL_SUCCEED;
  bunins_failed:
	BBPunfix(b->batCacheid);
	BBPunfix(bn->batCacheid);
	if (buf != NULL)
		GDKfree(buf);
	throw(MAL, "xml.comment", "%s", err);
}
开发者ID:f7753，项目名称:monetdb，代码行数:56，代码来源:batxml.c


示例16: GROUPcollect

static AGGRtask*
GROUPcollect( Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci){
	AGGRtask *a;
	int i;
	BAT *b, *bs, *bh = NULL;
	BUN sample;

	(void) mb;
	(void) cntxt;
	a= (AGGRtask *) GDKzalloc(sizeof(*a));
	if ( a == NULL)
		return NULL;
	a->bid = (bat*) GDKzalloc(pci->argc * sizeof(bat));
	a->cols = (BAT**) GDKzalloc(pci->argc * sizeof(BAT*));
	a->unique = (BUN *) GDKzalloc(pci->argc * sizeof(BUN));
	if ( a->cols == NULL || a->bid == NULL || a->unique == NULL){
		if(a->cols) GDKfree(a->cols);
		if(a->bid) GDKfree(a->bid);
		if(a->unique) GDKfree(a->unique);
		GDKfree(a);
		return NULL;
	}
	for ( i= pci->retc; i< pci->argc; i++, a->last++) {
		a->bid[a->last] = *getArgReference_bat(stk,pci,i);
		b = a->cols[a->last]= BATdescriptor(a->bid[a->last]);
		if ( a->cols[a->last] == NULL){
			for(a->last--; a->last>=0; a->last--)
				BBPunfix(a->cols[a->last]->batCacheid);
			GDKfree(a->cols);
			GDKfree(a->bid);
			GDKfree(a->unique);
			GDKfree(a);
			return NULL;
		}
		sample = BATcount(b) < 1000 ? BATcount(b): 1000;
		bs = BATsample( b, sample);
		if (bs) {
			bh = BATunique(b, bs);
			if (bh) {
				a->unique[a->last] = BATcount(bh);
				BBPunfix(bh->batCacheid);
			}
			BBPunfix(bs->batCacheid);
		}
		if ( b->tsorted)
			a->unique[a->last] = 1000; /* sorting helps grouping */
		a->size = BATcount(b);
	}

#ifdef _DEBUG_GROUPBY_
	for(i=0; i<a->last; i++)
		fprintf(stderr,"#group %d unique "BUNFMT "\n", i, a->unique[i]);
#endif
	return a;
}
开发者ID:MonetDB，项目名称:MonetDB，代码行数:55，代码来源:groupby.c


示例17: MATpackIncrement

/*
 * Enable incremental packing. The SQL front-end requires
 * fixed oid sequences.
 */
str
MATpackIncrement(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr p)
{
	bat *ret = getArgReference_bat(stk,p,0);
	int	pieces;
	BAT *b, *bb, *bn;
	size_t newsize;

	(void) cntxt;
	b = BATdescriptor( stk->stk[getArg(p,1)].val.ival);
	if ( b == NULL)
		throw(MAL, "mat.pack", RUNTIME_OBJECT_MISSING);

	if ( getArgType(mb,p,2) == TYPE_int){
		/* first step, estimate with some slack */
		pieces = stk->stk[getArg(p,2)].val.ival;
		bn = BATnew(TYPE_void, b->ttype?b->ttype:TYPE_oid, (BUN)(1.2 * BATcount(b) * pieces), TRANSIENT);
		if (bn == NULL)
			throw(MAL, "mat.pack", MAL_MALLOC_FAIL);
		/* allocate enough space for the vheap, but not for strings,
		 * since BATappend does clever things for strings */
		if ( b->T->vheap && bn->T->vheap && ATOMstorage(b->ttype) != TYPE_str){
			newsize =  b->T->vheap->size * pieces;
			if (HEAPextend(bn->T->vheap, newsize, TRUE) != GDK_SUCCEED)
				throw(MAL, "mat.pack", MAL_MALLOC_FAIL);
		}
		BATseqbase(bn, b->H->seq);
		BATseqbase(BATmirror(bn), b->T->seq);
		BATappend(bn,b,FALSE);
		assert(!bn->H->nil || !bn->H->nonil);
		assert(!bn->T->nil || !bn->T->nonil);
		bn->H->align = (pieces-1);
		BBPkeepref(*ret = bn->batCacheid);
		BBPunfix(b->batCacheid);
	} else {
		/* remaining steps */
		bb = BATdescriptor(stk->stk[getArg(p,2)].val.ival);
		if ( bb ){
			if (BATcount(b) == 0)
				BATseqbase(b, bb->H->seq);
			if (BATcount(b) == 0)
				BATseqbase(BATmirror(b), bb->T->seq);
			BATappend(b,bb,FALSE);
		}
		b->H->align--;
		if(b->H->align == 0)
			BATsetaccess(b, BAT_READ);
		assert(!b->H->nil || !b->H->nonil);
		assert(!b->T->nil || !b->T->nonil);
		BBPkeepref(*ret = b->batCacheid);
		if( bb) 
			BBPunfix(bb->batCacheid);
	}
	return MAL_SUCCEED;
}
开发者ID:Mytherin，项目名称:MonetDBLite，代码行数:59，代码来源:mat.c


示例18: DCselectInsert

str DCselectInsert(int *ret, int *res, int *bid, lng *low, lng *hgh)
{
	BAT *b, *r;

	lng *readerH, *writerH;
	lng *readerT, *writerT;

	BUN size, i;

	(void) ret;

	if ((b = BATdescriptor(*bid)) == NULL)
		throw(MAL, "dc.selectInsert", "Cannot access input BAT");

	if ((r = BATdescriptor(*res)) == NULL)
		throw(MAL, "dc.selectInsert", "Cannot access result BAT");

	size = BATcount(b);

	if (size > BATcapacity(r) - BATcount(r)) {
		BUN ncap;
		BUN grows;
		BUN needed = size - (BATcapacity(r) - BATcount(r));
		ncap = BATcapacity(r) + needed;
		grows = BATgrows(r);
		if (ncap > grows)
			grows = ncap;
		if (BATextend(r, grows) == NULL)
			throw(MAL, "dc.selectInsert", "Failed to make room for the new values");
	}
/*printf("in dc.selectInsert size is "OIDFMT,size);*/
	writerH = (lng *) Hloc(r, BUNfirst(r));
	writerT = (lng *) Tloc(r, BUNfirst(r));

	readerH = (lng *) Hloc(b, BUNfirst(b));
	readerT = (lng *) Tloc(b, BUNfirst(b));

	for (i = 0; i < size; i++) {
		if (*readerT >= *low && *readerT <= *hgh) {
			*writerH = *readerH;
			*writerT = *readerT;

			writerH++;
			writerT++;
		}
		readerH++;
		readerT++;
	}
	BATsetcount(r, (BUN) (writerT - (lng *) Tloc(r, BUNfirst(r))));

	BBPunfix(*bid);
	BBPunfix(*res);

	return MAL_SUCCEED;
}
开发者ID:Clay-Birkett，项目名称:monetdb，代码行数:55，代码来源:dcoperator.c


示例19: DCreplaceTailBasedOnHead

/*
 * @-
 * The operator below is only working for a very limited cases.
 */
str DCreplaceTailBasedOnHead(int *ret, int *res, int *bid)
{
	BAT *b, *r;
	oid *readerH_b;
	int *writerT_r, *readerT_b;
	BUN size_b, size_r, i;

	(void) ret;

	if ((b = BATdescriptor(*bid)) == NULL)
		throw(MAL, "dc.replaceTailBasedOnHead", "Cannot access input BAT");
	/* check for a failure */
	assert(b != NULL);

	if ((r = BATdescriptor(*res)) == NULL)
		throw(MAL, "dc.replaceTailBasedOnHead", "Cannot access result BAT");
	/* check for a failure */
	assert(r != NULL);


	/* remove Hashes etc */
	if (r->H->hash)
		HASHremove(r);
	if (r->T->hash)
		HASHremove(BATmirror(r));

	size_r = BATcount(r);
	size_b = BATcount(b);


	if ((b->htype == TYPE_void) && (size_b == size_r)) {
		writerT_r = (int *) Tloc(r, BUNfirst(r));
		readerT_b = (int *) Tloc(b, BUNfirst(b));
		for (i = 0; i < size_r; i++) {
			*writerT_r = *readerT_b;
			writerT_r++;
			readerT_b++;
		}
	} else if ((b->htype != TYPE_void) && (size_b < size_r)) {
		readerH_b = (oid *) Hloc(b, BUNfirst(b));
		readerT_b = (int *) Tloc(b, BUNfirst(b));
		for (i = 0; i < size_b; i++) {
			writerT_r = (int *) Tloc(r, BUNfirst(r)) + *readerH_b;
			*writerT_r = *readerT_b;
			readerH_b++;
			readerT_b++;
		}
	}

	BBPunfix(*bid);
	BBPunfix(*res);
	r->batDirty = TRUE;
	return MAL_SUCCEED;
}
开发者ID:Clay-Birkett，项目名称:monetdb，代码行数:58，代码来源:dcoperator.c


示例20: BATXMLstr2xml

/*
 * The core of the activity is str2xml, where the actual strings
 * are constructed.
 * To avoid repetitive copying we make sure that the garbage
 * collector does not remove the xml intermediates.
 * This way, we know that as long as the xml-variables are not
 * reused, the complete structure of the xml document(s) are available.
 * We merely have to collect the pieces.
 * [FOR LATER, FIRST GO FOR THE EASY IMPLEMENTATION]
 * XML values are represented by strings already.
 */
str
BATXMLstr2xml(bat *ret, const bat *bid)
{
	BAT *b, *bn;
	BUN p, q;
	size_t size = BUFSIZ;
	str buf;
	const char *err= OPERATION_FAILED;
	BATiter bi;

	buf = GDKmalloc(size);
	if (buf == NULL)
		throw(MAL,"xml.str2xml",MAL_MALLOC_FAIL);
	if ((b = BATdescriptor(*bid)) == NULL) {
		GDKfree(buf);
		throw(MAL, "xml.xml", INTERNAL_BAT_ACCESS);
	}
	prepareResult(bn, b, TYPE_xml, "xml", GDKfree(buf));
	bi = bat_iterator(b);
	BATloop(b, p, q) {
		const char *t = (const char *) BUNtail(bi, p);
		size_t len;

		if (strNil(t)) {
			bunfastapp(bn, str_nil);
			bn->T->nonil = 0;
			continue;
		}

		len = strlen(t) * 6 + 1;
		if (size < len) {
			size = len + 128;
			GDKfree(buf);
			buf = GDKmalloc(size);
			if (buf == NULL) {
				err = MAL_MALLOC_FAIL;
				goto bunins_failed;
			}
		}
		buf[0] = 'C';
		XMLquotestring(t, buf + 1, size - 1);
		bunfastapp(bn, buf);
	}
	GDKfree(buf);
	finalizeResult(ret, bn, b);
	return MAL_SUCCEED;
  bunins_failed:
	BBPunfix(b->batCacheid);
	BBPunfix(bn->batCacheid);
	if (buf != NULL)
		GDKfree(buf);
	throw(MAL, "xml.xml", "%s", err);
}
开发者ID:f7753，项目名称:monetdb，代码行数:64，代码来源:batxml.c



注：本文中的BBPunfix函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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