bool DataTable::InsertInSecondaryIndexes(const AbstractTuple *tuple,
const TargetList *targets_ptr,
ItemPointer *index_entry_ptr) {
int index_count = GetIndexCount();
// Transaform the target list into a hash set
// when attempting to perform insertion to a secondary index,
// we must check whether the updated column is a secondary index column.
// insertion happens only if the updated column is a secondary index column.
std::unordered_set<oid_t> targets_set;
for (auto target : *targets_ptr) {
targets_set.insert(target.first);
}
// Check existence for primary/unique indexes
// Since this is NOT protected by a lock, concurrent insert may happen.
for (int index_itr = index_count - 1; index_itr >= 0; --index_itr) {
auto index = GetIndex(index_itr);
auto index_schema = index->GetKeySchema();
auto indexed_columns = index_schema->GetIndexedColumns();
if (index->GetIndexType() == INDEX_CONSTRAINT_TYPE_PRIMARY_KEY) {
continue;
}
// Check if we need to update the secondary index
bool updated = false;
for (auto col : indexed_columns) {
if (targets_set.find(col) != targets_set.end()) {
updated = true;
break;
}
}
// If attributes on key are not updated, skip the index update
if (updated == false) {
continue;
}
// Key attributes are updated, insert a new entry in all secondary index
std::unique_ptr<storage::Tuple> key(new storage::Tuple(index_schema, true));
key->SetFromTuple(tuple, indexed_columns, index->GetPool());
switch (index->GetIndexType()) {
case INDEX_CONSTRAINT_TYPE_PRIMARY_KEY:
break;
case INDEX_CONSTRAINT_TYPE_UNIQUE:
break;
case INDEX_CONSTRAINT_TYPE_DEFAULT:
default:
index->InsertEntry(key.get(), index_entry_ptr);
break;
}
LOG_TRACE("Index constraint check on %s passed.", index->GetName().c_str());
}
return true;
}
bool DataTable::InsertInSecondaryIndexes(const storage::Tuple *tuple,
ItemPointer location) {
int index_count = GetIndexCount();
// (A) Check existence for primary/unique indexes
// FIXME Since this is NOT protected by a lock, concurrent insert may happen.
for (int index_itr = index_count - 1; index_itr >= 0; --index_itr) {
auto index = GetIndex(index_itr);
auto index_schema = index->GetKeySchema();
auto indexed_columns = index_schema->GetIndexedColumns();
std::unique_ptr<storage::Tuple> key(new storage::Tuple(index_schema, true));
key->SetFromTuple(tuple, indexed_columns, index->GetPool());
switch (index->GetIndexType()) {
case INDEX_CONSTRAINT_TYPE_PRIMARY_KEY:
break;
case INDEX_CONSTRAINT_TYPE_UNIQUE: {
// if in this index there has been a visible or uncommitted
// <key, location> pair, this constraint is violated
index->InsertEntry(key.get(), location);
} break;
case INDEX_CONSTRAINT_TYPE_DEFAULT:
default:
index->InsertEntry(key.get(), location);
break;
}
LOG_TRACE("Index constraint check on %s passed.", index->GetName().c_str());
}
return true;
}
//Draw single object, can loop soon
//TODO: make drawall
//TODO: make seperate from gob
void RenderEngine::DrawIndexedObject(GraphicalObject * gob )
{
//TODO: set attribs elsewhere
RenderInfo * renderInfo = gob->GetRenderInfoPtr();
//TODO: assign offsets elsewhere
//static unsigned int colOffset = ColorVertex::GetColorOffset();
//static unsigned int posOffset = ColorVertex::GetPositionOffset();
//static GLint numPosits = 3;
//static GLint numCols = 3;
//glEnableVertexAttribArray(m_positionAttrib);
//glEnableVertexAttribArray(m_colorAttrib);
//glBindBuffer(GL_ARRAY_BUFFER, renderInfo->m_vertBufferID);
//glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, renderInfo->m_indBufferID);
//SetAttributes(gob, &(renderInfo->m_vertexFormat), renderInfo->m_stride);
//glVertexAttribPointer(m_positionAttrib, numPosits, GL_FLOAT, GL_FALSE, renderInfo->m_stride, (void*)posOffset);
// glVertexAttribPointer(m_colorAttrib, numCols, GL_FLOAT, GL_FALSE, renderInfo->m_stride, (void*)colOffset);
//----------------------------HANDLE ELSEWHERE---------------------------
//glUniform3fv(15, 1, (GLfloat*)gob->GetTint());
//glUniformMatrix4fv(16, 1, GL_FALSE, &screenMat[0][0]);
//-----------------------------------------------------------------------
//GLuint * buffData = new GLuint[renderInfo->m_indexSizeBytes]{ 0 };
//GLuint * buffDataPtr = buffData;
//glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, renderInfo->m_indexOffsetBytes, renderInfo->m_indexSizeBytes, buffData);
//for (int i = 0; i < renderInfo->m_indexSizeBytes; i++)
//{
// //printf("Element %d [%u]\n", i, *buffDataPtr);
// GameLogger::Log(LogMsgType::Debug, "Element %d: [%u]", i, *buffDataPtr);
// ++buffDataPtr;
//}
//delete[] buffData;
//GLfloat * buffData = new GLfloat[renderInfo->m_numVerts * 6]{ 0 };
//GLfloat * buffDataPtr = buffData;
//glGetBufferSubData(GL_ARRAY_BUFFER, renderInfo->m_vertOffset*sizeof(GLfloat)*6, renderInfo->m_numVerts * sizeof(GLfloat) * 6, buffData);
//for (int i = 0; i < renderInfo->m_numVerts * 6; i++)
//{
// //printf("Element %d [%u]\n", i, *buffDataPtr);
// GameLogger::Log(LogMsgType::Debug, "Element %d: [%f]", i, *buffDataPtr);
// ++buffDataPtr;
//}
//delete[] buffData;
glDrawElementsBaseVertex(renderInfo->m_draw_mode, renderInfo->m_numIndices, GetIndexType(renderInfo->m_isb),(void *)renderInfo->m_indexOffsetBytes,renderInfo->m_vertOffset);
}
/**
* @brief Insert a tuple into all indexes. If index is primary/unique,
* check visibility of existing
* index entries.
* @warning This still doesn't guarantee serializability.
*
* @returns True on success, false if a visible entry exists (in case of
*primary/unique).
*/
bool DataTable::InsertInIndexes(const storage::Tuple *tuple,
ItemPointer location) {
int index_count = GetIndexCount();
auto &transaction_manager =
concurrency::TransactionManagerFactory::GetInstance();
std::function<bool(const ItemPointer &)> fn =
std::bind(&concurrency::TransactionManager::IsOccupied,
&transaction_manager, std::placeholders::_1);
// (A) Check existence for primary/unique indexes
// FIXME Since this is NOT protected by a lock, concurrent insert may happen.
for (int index_itr = index_count - 1; index_itr >= 0; --index_itr) {
auto index = GetIndex(index_itr);
auto index_schema = index->GetKeySchema();
auto indexed_columns = index_schema->GetIndexedColumns();
std::unique_ptr<storage::Tuple> key(new storage::Tuple(index_schema, true));
key->SetFromTuple(tuple, indexed_columns, index->GetPool());
switch (index->GetIndexType()) {
case INDEX_CONSTRAINT_TYPE_PRIMARY_KEY:
case INDEX_CONSTRAINT_TYPE_UNIQUE: {
// TODO: get unique tuple from primary index.
// if in this index there has been a visible or uncommitted
// <key, location> pair, this constraint is violated
if (index->CondInsertEntry(key.get(), location, fn) == false) {
return false;
}
} break;
case INDEX_CONSTRAINT_TYPE_DEFAULT:
default:
index->InsertEntry(key.get(), location);
break;
}
LOG_TRACE("Index constraint check on %s passed.", index->GetName().c_str());
}
return true;
}
/**
* @brief Insert a tuple into all indexes. If index is primary/unique,
* check visibility of existing
* index entries.
* @warning This still doesn't guarantee serializability.
*
* @returns True on success, false if a visible entry exists (in case of
*primary/unique).
*/
bool DataTable::InsertInIndexes(const storage::Tuple *tuple,
ItemPointer location,
concurrency::Transaction *transaction,
ItemPointer **index_entry_ptr) {
int index_count = GetIndexCount();
size_t active_indirection_array_id = number_of_tuples_ % ACTIVE_INDIRECTION_ARRAY_COUNT;
size_t indirection_offset = INVALID_INDIRECTION_OFFSET;
while (true) {
auto active_indirection_array = active_indirection_arrays_[active_indirection_array_id];
indirection_offset = active_indirection_array->AllocateIndirection();
if (indirection_offset != INVALID_INDIRECTION_OFFSET) {
*index_entry_ptr = active_indirection_array->GetIndirectionByOffset(indirection_offset);
break;
}
}
(*index_entry_ptr)->block = location.block;
(*index_entry_ptr)->offset = location.offset;
if (indirection_offset == INDIRECTION_ARRAY_MAX_SIZE - 1) {
AddDefaultIndirectionArray(active_indirection_array_id);
}
auto &transaction_manager =
concurrency::TransactionManagerFactory::GetInstance();
std::function<bool(const void *)> fn =
std::bind(&concurrency::TransactionManager::IsOccupied,
&transaction_manager, transaction, std::placeholders::_1);
// Since this is NOT protected by a lock, concurrent insert may happen.
bool res = true;
int success_count = 0;
for (int index_itr = index_count - 1; index_itr >= 0; --index_itr) {
auto index = GetIndex(index_itr);
auto index_schema = index->GetKeySchema();
auto indexed_columns = index_schema->GetIndexedColumns();
std::unique_ptr<storage::Tuple> key(new storage::Tuple(index_schema, true));
key->SetFromTuple(tuple, indexed_columns, index->GetPool());
switch (index->GetIndexType()) {
case INDEX_CONSTRAINT_TYPE_PRIMARY_KEY: {
// get unique tuple from primary index.
// if in this index there has been a visible or uncommitted
// <key, location> pair, this constraint is violated
res = index->CondInsertEntry(key.get(), *index_entry_ptr, fn);
} break;
case INDEX_CONSTRAINT_TYPE_UNIQUE: {
// get unique tuple from primary index.
// if in this index there has been a visible or uncommitted
// <key, location> pair, this constraint is violated
// res = index->CondInsertEntry(key.get(), *index_entry_ptr, fn);
} break;
case INDEX_CONSTRAINT_TYPE_DEFAULT:
default:
index->InsertEntry(key.get(), *index_entry_ptr);
break;
}
// Handle failure
if (res == false) {
// If some of the indexes have been inserted,
// the pointer has a chance to be dereferenced by readers and it cannot be deleted
*index_entry_ptr = nullptr;
return false;
} else {
success_count += 1;
}
LOG_TRACE("Index constraint check on %s passed.", index->GetName().c_str());
}
return true;
}
