C++ (Cpp) ValueSet::begin示例

示例#1

文件： sets_testcase.cpp 项目： ericcapricorn/ardb

void test_set_inter(Ardb& db)
{
	DBID dbid = 0;
	db.SClear(dbid, "myset1");
	db.SClear(dbid, "myset2");
	db.SClear(dbid, "myset3");
	db.SAdd(dbid, "myset1", "a");
	db.SAdd(dbid, "myset1", "b");
	db.SAdd(dbid, "myset1", "c");
	db.SAdd(dbid, "myset1", "d");
	db.SAdd(dbid, "myset2", "c");
	db.SAdd(dbid, "myset3", "a");
	db.SAdd(dbid, "myset3", "c");
	db.SAdd(dbid, "myset3", "e");

	SliceArray keys;
	keys.push_back("myset1");
	keys.push_back("myset2");
	keys.push_back("myset3");
	ValueSet values;
	db.SInter(dbid, keys, values);
	std::string str;
	CHECK_FATAL( values.size() != 1, "Sinter failed:");
	CHECK_FATAL(values.begin()->ToString(str) != "c", "Sinter store failed:");
	db.SInterStore(dbid, "myset2", keys);
	CHECK_FATAL( db.SCard(dbid, "myset2") != 1, "SInterStore myset2 failed:");
}

示例#2

文件： sets_testcase.cpp 项目： ericcapricorn/ardb

void test_set_diff(Ardb& db)
{
	DBID dbid = 0;
	db.SClear(dbid, "myset1");
	db.SClear(dbid, "myset2");
	db.SClear(dbid, "myset3");
	db.SAdd(dbid, "myset1", "a");
	db.SAdd(dbid, "myset1", "b");
	db.SAdd(dbid, "myset1", "c");
	db.SAdd(dbid, "myset1", "d");
	db.SAdd(dbid, "myset2", "c");
	db.SAdd(dbid, "myset3", "a");
	db.SAdd(dbid, "myset3", "c");
	db.SAdd(dbid, "myset3", "e");

	std::string str;
	SliceArray keys;
	keys.push_back("myset1");
	keys.push_back("myset2");
	keys.push_back("myset3");
	ValueSet values;
	db.SDiff(dbid, keys, values);
	CHECK_FATAL(values.size() != 2, "Sdiff failed:");
	CHECK_FATAL(values.begin()->ToString(str) != "b", "Sdiff store failed:");
	//CHECK_FATAL(FATAL, values[1] != "d") << "Sdiff store failed:";
	int len = db.SDiffStore(dbid, "myset2", keys);
	CHECK_FATAL(len != 2, "SDiffStore myset2 failed:%d", len);
	len = db.SCard(dbid, "myset2");
	CHECK_FATAL(len != 2, "SDiffStore myset2 failed:%d", len);
}