void CmdInterpreter::visit(ProxyCmdVersionIndexRoot &cmd)
{
TxnHandle *pTxnHandle = getTxnHandle(cmd.getTxnHandle());
SharedDatabase pDb = pTxnHandle->pDb;
assert(pDb->areSnapshotsEnabled());
SnapshotRandomAllocationSegment *pSnapshotSegment =
SegmentFactory::dynamicCast<SnapshotRandomAllocationSegment *>(
pTxnHandle->pSnapshotSegment);
pSnapshotSegment->versionPage(
PageId(cmd.getOldRootPageId()),
PageId(cmd.getNewRootPageId()));
}
void
ImageView::unremoveRightPage()
{
PageInfo page_info(
m_ptrPages->unremovePage(PageId(m_imageId, PageId::RIGHT_PAGE))
);
m_rightUnremoveButton.unlink();
m_rightPageRemoved = false;
update();
// We need invalidateThumbnail(PageInfo) rather than (PageId),
// as we are updating page removal status.
page_info.setId(PageId(m_imageId, PageId::SINGLE_PAGE));
emit invalidateThumbnail(page_info);
}
void CmdInterpreter::visit(ProxyCmdVerifyIndex &cmd)
{
// block checkpoints during this method
TxnHandle *pTxnHandle = getTxnHandle(cmd.getTxnHandle());
SXMutexSharedGuard actionMutexGuard(
pTxnHandle->pDb->getCheckpointThread()->getActionMutex());
BTreeDescriptor treeDescriptor;
getBTreeForIndexCmd(cmd, PageId(cmd.getRootPageId()), treeDescriptor);
TupleProjection leafPageIdProj;
if (cmd.getLeafPageIdProj()) {
CmdInterpreter::readTupleProjection(
leafPageIdProj, cmd.getLeafPageIdProj());
}
bool estimate = cmd.isEstimate();
bool includeTuples = cmd.isIncludeTuples();
bool keys = (!estimate);
bool leaf = ((!estimate) || includeTuples);
BTreeVerifier verifier(treeDescriptor);
verifier.verify(true, keys, leaf);
BTreeStatistics statistics = verifier.getStatistics();
long pageCount = statistics.nNonLeafNodes + statistics.nLeafNodes;
if (includeTuples) {
pageCount += statistics.nTuples;
}
cmd.setResultPageCount(pageCount);
if (keys) {
cmd.setResultUniqueKeyCount(statistics.nUniqueKeys);
} else {
cmd.clearResultUniqueKeyCount();
}
}
PageId CmdInterpreter::StreamGraphHandle::getRoot(PageOwnerId pageOwnerId)
{
JniEnvAutoRef pEnv;
jlong x = opaqueToInt(pageOwnerId);
x = pEnv->CallLongMethod(
javaRuntimeContext, JniUtil::methGetIndexRoot, x);
return PageId(x);
}
void CmdInterpreter::dropOrTruncateIndex(
ProxyCmdDropIndex &cmd, bool drop)
{
// block checkpoints during this method
TxnHandle *pTxnHandle = getTxnHandle(cmd.getTxnHandle());
SXMutexSharedGuard actionMutexGuard(
pTxnHandle->pDb->getCheckpointThread()->getActionMutex());
BTreeDescriptor treeDescriptor;
getBTreeForIndexCmd(cmd, PageId(cmd.getRootPageId()), treeDescriptor);
TupleProjection leafPageIdProj;
if (cmd.getLeafPageIdProj()) {
CmdInterpreter::readTupleProjection(
leafPageIdProj, cmd.getLeafPageIdProj());
}
BTreeBuilder builder(treeDescriptor);
builder.truncate(drop, leafPageIdProj.size() ? &leafPageIdProj : NULL);
}
void inc(uint64_t count)
{
assert(pageID != kInvalidPageId);
while(count!=0 && pageID!=kInvalidPageId) {
// Next extent
if(pageID == (*extents)[extent].end()) {
extent++;
if(extent >= extents->size())
pageID = kInvalidPageId;
else
pageID = (*extents)[extent].begin();
}
//
uint64_t leftInThisExtent = (*extents)[extent].end().toInteger() - pageID.toInteger();
if(leftInThisExtent > count) {
pageID = PageId(pageID.toInteger() + count);
count = 0;
} else {
count -= leftInThisExtent;
pageID = (*extents)[extent].end();
}
}
}
kerio::hashdb::PageId overflowFilePage(uint32_t pageNumber)
{
return PageId(PageId::OverflowFileType, pageNumber);
}
kerio::hashdb::PageId bucketFilePage(uint32_t pageNumber)
{
return PageId(PageId::BucketFileType, pageNumber);
}
