#include <RowSetMemoryOwner.h>

Inheritance diagram for RowSetMemoryOwner:

Collaboration diagram for RowSetMemoryOwner:

Classes
struct	CountDistinctBitmapBuffer

Public Member Functions
	RowSetMemoryOwner (const size_t arena_block_size)

int8_t *	allocate (const size_t num_bytes)

int8_t *	allocateCountDistinctBuffer (const size_t num_bytes)

void	addCountDistinctBuffer (int8_t *count_distinct_buffer, const size_t bytes, const bool physical_buffer)

void	addCountDistinctSet (std::set< int64_t > *count_distinct_set)

void	addGroupByBuffer (int64_t *group_by_buffer)

void	addVarlenBuffer (void *varlen_buffer)

void	addVarlenInputBuffer (Data_Namespace::AbstractBuffer *buffer)

std::string *	addString (const std::string &str)

std::vector< int64_t > *	addArray (const std::vector< int64_t > &arr)

StringDictionaryProxy *	addStringDict (std::shared_ptr< StringDictionary > str_dict, const int dict_id, const ssize_t generation)

StringDictionaryProxy *	getStringDictProxy (const int dict_id) const

void	addLiteralStringDictProxy (std::shared_ptr< StringDictionaryProxy > lit_str_dict_proxy)

StringDictionaryProxy *	getLiteralStringDictProxy () const

void	addColBuffer (const void *col_buffer)

	~RowSetMemoryOwner ()

std::shared_ptr< RowSetMemoryOwner >	cloneStrDictDataOnly ()

Private Attributes
std::vector< CountDistinctBitmapBuffer >	count_distinct_bitmaps_

std::vector< std::set< int64_t > * >	count_distinct_sets_

std::vector< int64_t * >	group_by_buffers_

std::vector< void * >	varlen_buffers_

std::list< std::string >	strings_

std::list< std::vector< int64_t > >	arrays_

std::unordered_map< int, std::shared_ptr< StringDictionaryProxy > >	str_dict_proxy_owned_

std::shared_ptr< StringDictionaryProxy >	lit_str_dict_proxy_

std::vector< void * >	col_buffers_

std::vector< Data_Namespace::AbstractBuffer * >	varlen_input_buffers_

size_t	arena_block_size_

std::unique_ptr< Arena >	allocator_

std::mutex	state_mutex_

Friends
class	ResultSet

class	QueryExecutionContext

Detailed Description

Handles allocations and outputs for all stages in a query, either explicitly or via a managed allocator object

Definition at line 39 of file RowSetMemoryOwner.h.

Constructor & Destructor Documentation

◆ RowSetMemoryOwner()

RowSetMemoryOwner::RowSetMemoryOwner ( const size_t arena_block_size )

inline

Definition at line 41 of file RowSetMemoryOwner.h.

42 : arena_block_size_(arena_block_size)

43 , allocator_(std::make_unique<Arena>(arena_block_size)) {}

RowSetMemoryOwner::allocator_

std::unique_ptr< Arena > allocator_

Definition: RowSetMemoryOwner.h:191

RowSetMemoryOwner::arena_block_size_

size_t arena_block_size_

Definition: RowSetMemoryOwner.h:190

◆ ~RowSetMemoryOwner()

RowSetMemoryOwner::~RowSetMemoryOwner ( )

inline

Definition at line 146 of file RowSetMemoryOwner.h.

References CHECK, col_buffers_, count_distinct_sets_, group_by_buffers_, varlen_buffers_, and varlen_input_buffers_.

                        {
     for (auto count_distinct_set : count_distinct_sets_) {
       delete count_distinct_set;
     }
     for (auto group_by_buffer : group_by_buffers_) {
       free(group_by_buffer);
     }
     for (auto varlen_buffer : varlen_buffers_) {
       free(varlen_buffer);
     }
     for (auto varlen_input_buffer : varlen_input_buffers_) {
       CHECK(varlen_input_buffer);
       varlen_input_buffer->unPin();
     }
     for (auto col_buffer : col_buffers_) {
       free(col_buffer);
     }
   }

Member Function Documentation

◆ addArray()

std::vector<int64_t>* RowSetMemoryOwner::addArray ( const std::vector< int64_t > & arr )

inline

Definition at line 100 of file RowSetMemoryOwner.h.

References arrays_, and state_mutex_.

                                                               {
     std::lock_guard<std::mutex> lock(state_mutex_);
     arrays_.emplace_back(arr);
     return &arrays_.back();
   }

◆ addColBuffer()

void RowSetMemoryOwner::addColBuffer ( const void * col_buffer )

inline

Definition at line 141 of file RowSetMemoryOwner.h.

References col_buffers_, and state_mutex_.

                                             {
     std::lock_guard<std::mutex> lock(state_mutex_);
     col_buffers_.push_back(const_cast<void*>(col_buffer));
   }

◆ addCountDistinctBuffer()

void RowSetMemoryOwner::addCountDistinctBuffer	(	int8_t *	count_distinct_buffer,
		const size_t	bytes,
		const bool	physical_buffer
	)

inline

Definition at line 60 of file RowSetMemoryOwner.h.

References count_distinct_bitmaps_, and state_mutex_.

                                                           {
     std::lock_guard<std::mutex> lock(state_mutex_);
     count_distinct_bitmaps_.emplace_back(
         CountDistinctBitmapBuffer{count_distinct_buffer, bytes, physical_buffer});
   }

◆ addCountDistinctSet()

void RowSetMemoryOwner::addCountDistinctSet ( std::set< int64_t > * count_distinct_set )

inline

Definition at line 68 of file RowSetMemoryOwner.h.

References count_distinct_sets_, and state_mutex_.

                                                                 {
     std::lock_guard<std::mutex> lock(state_mutex_);
     count_distinct_sets_.push_back(count_distinct_set);
   }

◆ addGroupByBuffer()

void RowSetMemoryOwner::addGroupByBuffer ( int64_t * group_by_buffer )

inline

Definition at line 73 of file RowSetMemoryOwner.h.

References group_by_buffers_, and state_mutex_.

                                                   {
     std::lock_guard<std::mutex> lock(state_mutex_);
     group_by_buffers_.push_back(group_by_buffer);
   }

◆ addLiteralStringDictProxy()

void RowSetMemoryOwner::addLiteralStringDictProxy ( std::shared_ptr< StringDictionaryProxy > lit_str_dict_proxy )

inline

Definition at line 130 of file RowSetMemoryOwner.h.

References lit_str_dict_proxy_, and state_mutex_.

                                                                {
     std::lock_guard<std::mutex> lock(state_mutex_);
     lit_str_dict_proxy_ = lit_str_dict_proxy;
   }

◆ addString()

std::string* RowSetMemoryOwner::addString ( const std::string & str )

inline

Definition at line 94 of file RowSetMemoryOwner.h.

References state_mutex_, and strings_.

                                              {
     std::lock_guard<std::mutex> lock(state_mutex_);
     strings_.emplace_back(str);
     return &strings_.back();
   }

◆ addStringDict()

StringDictionaryProxy* RowSetMemoryOwner::addStringDict	(	std::shared_ptr< StringDictionary >	str_dict,
		const int	dict_id,
		const ssize_t	generation
	)

inline

Definition at line 106 of file RowSetMemoryOwner.h.

References CHECK_EQ, state_mutex_, and str_dict_proxy_owned_.

                                                                  {
     std::lock_guard<std::mutex> lock(state_mutex_);
     auto it = str_dict_proxy_owned_.find(dict_id);
     if (it != str_dict_proxy_owned_.end()) {
       CHECK_EQ(it->second->getDictionary(), str_dict.get());
       it->second->updateGeneration(generation);
       return it->second.get();
     }
     it = str_dict_proxy_owned_
              .emplace(dict_id,
                       std::make_shared<StringDictionaryProxy>(str_dict, generation))
              .first;
     return it->second.get();
   }

◆ addVarlenBuffer()

void RowSetMemoryOwner::addVarlenBuffer ( void * varlen_buffer )

inline

Definition at line 78 of file RowSetMemoryOwner.h.

References state_mutex_, and varlen_buffers_.

                                             {
     std::lock_guard<std::mutex> lock(state_mutex_);
     varlen_buffers_.push_back(varlen_buffer);
   }

◆ addVarlenInputBuffer()

void RowSetMemoryOwner::addVarlenInputBuffer ( Data_Namespace::AbstractBuffer * buffer )

inline

Adds a GPU buffer containing a variable length input column. Variable length inputs on GPU are referenced in output projected targets and should not be freed until the query results have been resolved.

Definition at line 88 of file RowSetMemoryOwner.h.

References CHECK_EQ, Data_Namespace::AbstractBuffer::getType(), Data_Namespace::GPU_LEVEL, state_mutex_, and varlen_input_buffers_.

                                                                   {
     std::lock_guard<std::mutex> lock(state_mutex_);
     CHECK_EQ(buffer->getType(), Data_Namespace::MemoryLevel::GPU_LEVEL);
     varlen_input_buffers_.push_back(buffer);
   }

Here is the call graph for this function:

◆ allocate()

int8_t* RowSetMemoryOwner::allocate ( const size_t num_bytes )

inline

Definition at line 45 of file RowSetMemoryOwner.h.

References allocator_, CHECK, and state_mutex_.

Referenced by anonymous_namespace{QueryMemoryInitializer.cpp}::alloc_group_by_buffer().

                                            {
     CHECK(allocator_);
     std::lock_guard<std::mutex> lock(state_mutex_);
     return reinterpret_cast<int8_t*>(allocator_->allocate(num_bytes));
   }

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◆ allocateCountDistinctBuffer()

int8_t* RowSetMemoryOwner::allocateCountDistinctBuffer ( const size_t num_bytes )

inline

Definition at line 51 of file RowSetMemoryOwner.h.

References allocator_, CHECK, count_distinct_bitmaps_, and state_mutex_.

                                                               {
     CHECK(allocator_);
     std::lock_guard<std::mutex> lock(state_mutex_);
     auto ret = reinterpret_cast<int8_t*>(allocator_->allocateAndZero(num_bytes));
     count_distinct_bitmaps_.emplace_back(
         CountDistinctBitmapBuffer{ret, num_bytes, /*physical_buffer=*/true});
     return ret;
   }

◆ cloneStrDictDataOnly()

std::shared_ptr<RowSetMemoryOwner> RowSetMemoryOwner::cloneStrDictDataOnly ( )

inline

Definition at line 165 of file RowSetMemoryOwner.h.

References arena_block_size_, lit_str_dict_proxy_, and str_dict_proxy_owned_.

                                                           {
     auto rtn = std::make_shared<RowSetMemoryOwner>(arena_block_size_);
     rtn->str_dict_proxy_owned_ = str_dict_proxy_owned_;
     rtn->lit_str_dict_proxy_ = lit_str_dict_proxy_;
     return rtn;
   }

◆ getLiteralStringDictProxy()

StringDictionaryProxy* RowSetMemoryOwner::getLiteralStringDictProxy ( ) const

inline

Definition at line 136 of file RowSetMemoryOwner.h.

References lit_str_dict_proxy_, and state_mutex_.

                                                            {
     std::lock_guard<std::mutex> lock(state_mutex_);
     return lit_str_dict_proxy_.get();
   }

◆ getStringDictProxy()

StringDictionaryProxy* RowSetMemoryOwner::getStringDictProxy ( const int dict_id ) const

inline

Definition at line 123 of file RowSetMemoryOwner.h.

References CHECK, state_mutex_, and str_dict_proxy_owned_.

                                                                      {
     std::lock_guard<std::mutex> lock(state_mutex_);
     auto it = str_dict_proxy_owned_.find(dict_id);
     CHECK(it != str_dict_proxy_owned_.end());
     return it->second.get();
   }

Friends And Related Function Documentation

◆ QueryExecutionContext

friend class QueryExecutionContext

friend

Definition at line 196 of file RowSetMemoryOwner.h.

◆ ResultSet

friend class ResultSet

friend

Definition at line 195 of file RowSetMemoryOwner.h.

Member Data Documentation

◆ allocator_

std::unique_ptr<Arena> RowSetMemoryOwner::allocator_

private

Definition at line 191 of file RowSetMemoryOwner.h.

Referenced by allocate(), and allocateCountDistinctBuffer().

◆ arena_block_size_

size_t RowSetMemoryOwner::arena_block_size_

private

Definition at line 190 of file RowSetMemoryOwner.h.

Referenced by cloneStrDictDataOnly().

◆ arrays_

std::list<std::vector<int64_t> > RowSetMemoryOwner::arrays_

private

Definition at line 184 of file RowSetMemoryOwner.h.

Referenced by addArray().

◆ col_buffers_

std::vector<void*> RowSetMemoryOwner::col_buffers_

private

Definition at line 187 of file RowSetMemoryOwner.h.

Referenced by addColBuffer(), and ~RowSetMemoryOwner().

◆ count_distinct_bitmaps_

std::vector<CountDistinctBitmapBuffer> RowSetMemoryOwner::count_distinct_bitmaps_

private

Definition at line 179 of file RowSetMemoryOwner.h.

Referenced by addCountDistinctBuffer(), and allocateCountDistinctBuffer().

◆ count_distinct_sets_

std::vector<std::set<int64_t>*> RowSetMemoryOwner::count_distinct_sets_

private

Definition at line 180 of file RowSetMemoryOwner.h.

Referenced by addCountDistinctSet(), and ~RowSetMemoryOwner().

◆ group_by_buffers_

std::vector<int64_t*> RowSetMemoryOwner::group_by_buffers_

private

Definition at line 181 of file RowSetMemoryOwner.h.

Referenced by addGroupByBuffer(), and ~RowSetMemoryOwner().

◆ lit_str_dict_proxy_

std::shared_ptr<StringDictionaryProxy> RowSetMemoryOwner::lit_str_dict_proxy_

private

Definition at line 186 of file RowSetMemoryOwner.h.

Referenced by addLiteralStringDictProxy(), cloneStrDictDataOnly(), and getLiteralStringDictProxy().

◆ state_mutex_

std::mutex RowSetMemoryOwner::state_mutex_

mutableprivate

Definition at line 193 of file RowSetMemoryOwner.h.

Referenced by addArray(), addColBuffer(), addCountDistinctBuffer(), addCountDistinctSet(), addGroupByBuffer(), addLiteralStringDictProxy(), addString(), addStringDict(), addVarlenBuffer(), addVarlenInputBuffer(), allocate(), allocateCountDistinctBuffer(), getLiteralStringDictProxy(), and getStringDictProxy().

◆ str_dict_proxy_owned_

std::unordered_map<int, std::shared_ptr<StringDictionaryProxy> > RowSetMemoryOwner::str_dict_proxy_owned_

private

Definition at line 185 of file RowSetMemoryOwner.h.

Referenced by addStringDict(), cloneStrDictDataOnly(), and getStringDictProxy().

◆ strings_

std::list<std::string> RowSetMemoryOwner::strings_

private

Definition at line 183 of file RowSetMemoryOwner.h.

Referenced by addString().

◆ varlen_buffers_

std::vector<void*> RowSetMemoryOwner::varlen_buffers_

private

Definition at line 182 of file RowSetMemoryOwner.h.

Referenced by addVarlenBuffer(), and ~RowSetMemoryOwner().

◆ varlen_input_buffers_

std::vector<Data_Namespace::AbstractBuffer*> RowSetMemoryOwner::varlen_input_buffers_

private

Definition at line 188 of file RowSetMemoryOwner.h.

Referenced by addVarlenInputBuffer(), and ~RowSetMemoryOwner().

The documentation for this class was generated from the following file:

/home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/Descriptors/RowSetMemoryOwner.h

Classes

Public Member Functions

Private Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ RowSetMemoryOwner()

◆ ~RowSetMemoryOwner()

Member Function Documentation

◆ addArray()

◆ addColBuffer()

◆ addCountDistinctBuffer()

◆ addCountDistinctSet()

◆ addGroupByBuffer()

◆ addLiteralStringDictProxy()

◆ addString()

◆ addStringDict()

◆ addVarlenBuffer()

◆ addVarlenInputBuffer()

◆ allocate()

◆ allocateCountDistinctBuffer()

◆ cloneStrDictDataOnly()

◆ getLiteralStringDictProxy()

◆ getStringDictProxy()

Friends And Related Function Documentation

◆ QueryExecutionContext

◆ ResultSet

Member Data Documentation

◆ allocator_

◆ arena_block_size_

◆ arrays_

◆ col_buffers_

◆ count_distinct_bitmaps_

◆ count_distinct_sets_

◆ group_by_buffers_

◆ lit_str_dict_proxy_

◆ state_mutex_

◆ str_dict_proxy_owned_

◆ strings_

◆ varlen_buffers_

◆ varlen_input_buffers_