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Fixed bugs in SkiplistIndex2. Introduced by refactoring

This commit is contained in:
Michael Hackstein 2015-08-31 16:09:24 +02:00
parent dd20dc4c7f
commit 2aed925ddc
2 changed files with 12 additions and 13 deletions
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20
arangod/Indexes/SkiplistIndex2.cpp
View File

@ -365,7 +365,7 @@ bool SkiplistIterator::findHelperIntervalIntersectionValid (
void SkiplistIterator::findHelper (
TRI_index_operator_t const* indexOperator,
std::vector<SkiplistIteratorInterval*> intervals
std::vector<SkiplistIteratorInterval*>& intervals
) {
TRI_skiplist_index_key_t values;
std::vector<SkiplistIteratorInterval*> leftResult;
@ -523,7 +523,7 @@ bool SkiplistIterator::hasPrevIteration () {
// If the leftNode == left end point AND there are no more intervals
// then we have no next.
// ...........................................................................
return leftNode != _intervals[_currentInterval]->_leftEndPoint;
return leftNode != _intervals.at(_currentInterval)->_leftEndPoint;
}
////////////////////////////////////////////////////////////////////////////////
@ -551,7 +551,7 @@ bool SkiplistIterator::hasNextIteration () {
// If the left == right end point AND there are no more intervals then we have
// no next.
// ...........................................................................
return leftNode != _intervals[_currentInterval]->_rightEndPoint;
return leftNode != _intervals.at(_currentInterval)->_rightEndPoint;
}
////////////////////////////////////////////////////////////////////////////////
@ -559,11 +559,10 @@ bool SkiplistIterator::hasNextIteration () {
////////////////////////////////////////////////////////////////////////////////
TRI_index_element_t* SkiplistIterator::prevIteration () {
SkiplistIteratorInterval* interval = _intervals[_currentInterval];
if (interval == nullptr) {
if (_currentInterval >= _intervals.size()) {
return nullptr;
}
SkiplistIteratorInterval* interval = _intervals.at(_currentInterval);
// ...........................................................................
// use the current cursor and move 1 backward
@ -579,7 +578,7 @@ TRI_index_element_t* SkiplistIterator::prevIteration () {
return nullptr;
}
--_currentInterval;
interval = _intervals[_currentInterval];
interval = _intervals.at(_currentInterval);
TRI_ASSERT(interval != nullptr);
_cursor = interval->_rightEndPoint;
result = _index->_skiplistIndex->prevNode(_cursor);
@ -601,11 +600,10 @@ TRI_index_element_t* SkiplistIterator::nextIteration () {
return nullptr;
}
SkiplistIteratorInterval* interval = _intervals[_currentInterval];
if (interval == nullptr) {
if (_currentInterval >= _intervals.size()) {
return nullptr;
}
SkiplistIteratorInterval* interval = _intervals.at(_currentInterval);
while (true) { // will be left by break
_cursor = _cursor->nextNode();
@ -618,7 +616,7 @@ TRI_index_element_t* SkiplistIterator::nextIteration () {
return nullptr;
}
++_currentInterval;
interval = _intervals[_currentInterval];
interval = _intervals.at(_currentInterval);
TRI_ASSERT(interval != nullptr);
_cursor = interval->_leftEndPoint;
}

5
arangod/Indexes/SkiplistIndex2.h
View File

@ -103,7 +103,8 @@ namespace triagens {
SkiplistIterator (
SkiplistIndex2* const idx,
bool reverse
) : _index(idx) {
) : _index(idx) ,
_reverse(reverse) {
_currentInterval = 0;
_cursor = nullptr;
};
@ -136,7 +137,7 @@ namespace triagens {
void findHelper (
TRI_index_operator_t const* indexOperator,
std::vector<SkiplistIteratorInterval*> intervals
std::vector<SkiplistIteratorInterval*>& intervals
);
// -----------------------------------------------------------------------------
// --SECTION-- private methods