constraints.c

一个内存数据库的源代码这是服务器端还有客户端

#line 48 "/export/scratch0/monet/monet.GNU.64.64.d.14791/MonetDB5/src/modules/mal/constraints.mx"
#include "mal_config.h"
#include "mal.h"
#include "mal_exception.h"
#include "constraints.h"


str 
CemptySet(int *k, int *bid)
{
	BAT *b = BATdescriptor(*bid);
	int cnt = 0;

	(void)k;
	if (b)
		cnt = BATcount(b);
	BBPunfix(b->batCacheid);
	if (cnt) 
		throw(OPTIMIZER, "mal.assert", "emptySet");
        return MAL_SUCCEED;
}