uint32 CRdbPrefixIndex::DetachRecord(CRecord* pRecord)
{
CField* pField;
uint32 nFieldNo = m_pIdxDef->m_pFields[0];
char* sStr = NULL;
uint32 nStrLen = 0;
pField = pRecord->GetField(nFieldNo);
sStr = pField->GetString(&nStrLen);
uint64 nRowId = pRecord->m_nRowId;
if(m_oTree.RemoveNode((const uint8*)sStr, nStrLen, FOCP_NAME::IsEqualRowId, &nRowId))
{
uint64 nTreeThis = m_oTree.GetThis();
if(!nTreeThis)
{
uint64 pAddr[2] = {nTreeThis, m_oAllocator.GetThis()};
vcommit(m_nThis, (char*)pAddr, 16);
}
return RDB_SUCCESS;
}
return RDB_RECORD_NOT_EXIST;
}
uint32 CRdbPrefixIndex::AttachRecord(CRecord* pRecord)
{
CField* pField;
uint32 nFieldNo = m_pIdxDef->m_pFields[0];
char* sStr = NULL;
uint32 nStrLen = 0;
pField = pRecord->GetField(nFieldNo);
sStr = pField->GetString(&nStrLen);
bool bConflict;
int32 bMemory = 1;
if(m_pTabDef->m_pBaseAttr->nStorage == RDB_FILE_TABLE)
bMemory = 0;
uint64 nNode;
uint64 nRowId = pRecord->m_nRowId;
uint64 nTreeThis = m_oTree.GetThis();
TNTreeNode* pNode = m_oTree.InsertNode((const uint8*)sStr, nStrLen, nRowId, bMemory, nNode, bConflict);
if(!pNode)
{
if(bConflict)
return RDB_UNIQUE_INDEX_CONFLICT;
return RDB_LACK_STORAGE;
}
m_oTree.ReleaseNode(nNode, pNode);
uint64 nTreeThis2 = m_oTree.GetThis();
if(nTreeThis != nTreeThis2)
{
uint64 pAddr[2] = {nTreeThis2, m_oAllocator.GetThis()};
vcommit(m_nThis, (char*)pAddr, 16);
}
return RDB_SUCCESS;
}