本文整理汇总了C++中TableTuple::copy方法的典型用法代码示例。如果您正苦于以下问题：C++ TableTuple::copy方法的具体用法？C++ TableTuple::copy怎么用？C++ TableTuple::copy使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TableTuple的用法示例。
在下文中一共展示了TableTuple::copy方法的1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: tuple
TEST_F(PersistentTableMemStatsTest, UpdateAndUndoTest) {
initTable(true);
tableutil::addRandomTuples(m_table, 10);
int64_t orig_size = m_table->nonInlinedMemorySize();
//cout << "Original non-inline size: " << orig_size << endl;
TableTuple tuple(m_tableSchema);
tableutil::getRandomTuple(m_table, tuple);
//cout << "Retrieved random tuple " << endl << tuple.debugNoHeader() << endl;
size_t removed_bytes =
StringRef::computeStringMemoryUsed(ValuePeeker::peekObjectLength(tuple.getNValue(1))) +
StringRef::computeStringMemoryUsed(ValuePeeker::peekObjectLength(tuple.getNValue(2)));
//cout << "Removing bytes from table: " << removed_bytes << endl;
/*
* A copy of the tuple to modify and use as a source tuple when
* updating the new tuple.
*/
TableTuple tempTuple = m_table->tempTuple();
tempTuple.copy(tuple);
string strval = "123456";
NValue new_string = ValueFactory::getStringValue(strval);
tempTuple.setNValue(1, new_string);
//cout << "Created random tuple " << endl << tempTuple.debugNoHeader() << endl;
size_t added_bytes =
StringRef::computeStringMemoryUsed(ValuePeeker::peekObjectLength(tempTuple.getNValue(1))) +
StringRef::computeStringMemoryUsed(ValuePeeker::peekObjectLength(tempTuple.getNValue(2)));
//cout << "Adding bytes to table: " << added_bytes << endl;
m_engine->setUndoToken(INT64_MIN + 2);
// this next line is a testing hack until engine data is
// de-duplicated with executorcontext data
m_engine->getExecutorContext();
m_table->updateTuple(tempTuple, tuple, true);
ASSERT_EQ(orig_size + added_bytes - removed_bytes, m_table->nonInlinedMemorySize());
m_engine->undoUndoToken(INT64_MIN + 2);
ASSERT_EQ(orig_size, m_table->nonInlinedMemorySize());
//tuple.freeObjectColumns();
//tempTuple.freeObjectColumns();
//delete [] tuple.address();
//delete[] tempTuple.address();
new_string.free();
}