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anonymous_namespace{ResultSetIteration.cpp} Namespace Reference

Classes

struct  GeoLazyFetchHandler
 
struct  GeoQueryOutputFetchHandler
 
struct  GeoTargetValueBuilder
 

Functions

TargetValue make_avg_target_value (const int8_t *ptr1, const int8_t compact_sz1, const int8_t *ptr2, const int8_t compact_sz2, const TargetInfo &target_info)
 
const int8_t * advance_col_buff_to_slot (const int8_t *buff, const QueryMemoryDescriptor &query_mem_desc, const std::vector< TargetInfo > &targets, const size_t slot_idx, const bool separate_varlen_storage)
 
const int8_t * columnar_elem_ptr (const size_t entry_idx, const int8_t *col1_ptr, const int8_t compact_sz1)
 
int64_t int_resize_cast (const int64_t ival, const size_t sz)
 
template<class T >
ScalarTargetValue make_scalar_tv (const T val)
 
template<>
ScalarTargetValue make_scalar_tv (const float val)
 
template<>
ScalarTargetValue make_scalar_tv (const double val)
 
template<class T >
TargetValue build_array_target_value (const int8_t *buff, const size_t buff_sz, std::shared_ptr< RowSetMemoryOwner > row_set_mem_owner)
 
TargetValue build_string_array_target_value (const int32_t *buff, const size_t buff_sz, const int dict_id, const bool translate_strings, std::shared_ptr< RowSetMemoryOwner > row_set_mem_owner, const Executor *executor)
 
TargetValue build_array_target_value (const SQLTypeInfo &array_ti, const int8_t *buff, const size_t buff_sz, const bool translate_strings, std::shared_ptr< RowSetMemoryOwner > row_set_mem_owner, const Executor *executor)
 
template<class Tuple , size_t... indices>
std::vector< std::pair< const int8_t *, const int64_t > > make_vals_vector (std::index_sequence< indices... >, const Tuple &tuple)
 
std::unique_ptr< ArrayDatumlazy_fetch_chunk (const int8_t *ptr, const int64_t varlen_ptr)
 
std::unique_ptr< ArrayDatumfetch_data_from_gpu (int64_t varlen_ptr, const int64_t length, Data_Namespace::DataMgr *data_mgr, const int device_id)
 
template<typename T >
std::pair< int64_t, int64_t > get_frag_id_and_local_idx (const std::vector< std::vector< T >> &frag_offsets, const size_t tab_or_col_idx, const int64_t global_idx)
 

Function Documentation

◆ advance_col_buff_to_slot()

const int8_t* anonymous_namespace{ResultSetIteration.cpp}::advance_col_buff_to_slot ( const int8_t *  buff,
const QueryMemoryDescriptor query_mem_desc,
const std::vector< TargetInfo > &  targets,
const size_t  slot_idx,
const bool  separate_varlen_storage 
)

Definition at line 78 of file ResultSetIteration.cpp.

References advance_slot(), advance_to_next_columnar_target_buff(), CHECK, CHECK_LT, get_cols_ptr(), QueryMemoryDescriptor::getBufferColSlotCount(), and kAVG.

Referenced by ResultSetStorage::isEmptyEntryColumnar().

82  {
83  auto crt_col_ptr = get_cols_ptr(buff, query_mem_desc);
84  const auto buffer_col_count = query_mem_desc.getBufferColSlotCount();
85  size_t agg_col_idx{0};
86  for (size_t target_idx = 0; target_idx < targets.size(); ++target_idx) {
87  if (agg_col_idx == slot_idx) {
88  return crt_col_ptr;
89  }
90  CHECK_LT(agg_col_idx, buffer_col_count);
91  const auto& agg_info = targets[target_idx];
92  crt_col_ptr =
93  advance_to_next_columnar_target_buff(crt_col_ptr, query_mem_desc, agg_col_idx);
94  if (agg_info.is_agg && agg_info.agg_kind == kAVG) {
95  if (agg_col_idx + 1 == slot_idx) {
96  return crt_col_ptr;
97  }
99  crt_col_ptr, query_mem_desc, agg_col_idx + 1);
100  }
101  agg_col_idx = advance_slot(agg_col_idx, agg_info, separate_varlen_storage);
102  }
103  CHECK(false);
104  return nullptr;
105 }
T advance_to_next_columnar_target_buff(T target_ptr, const QueryMemoryDescriptor &query_mem_desc, const size_t target_slot_idx)
size_t advance_slot(const size_t j, const TargetInfo &target_info, const bool separate_varlen_storage)
#define CHECK_LT(x, y)
Definition: Logger.h:197
#define CHECK(condition)
Definition: Logger.h:187
T get_cols_ptr(T buff, const QueryMemoryDescriptor &query_mem_desc)
Definition: sqldefs.h:71
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◆ build_array_target_value() [1/2]

template<class T >
TargetValue anonymous_namespace{ResultSetIteration.cpp}::build_array_target_value ( const int8_t *  buff,
const size_t  buff_sz,
std::shared_ptr< RowSetMemoryOwner row_set_mem_owner 
)

Definition at line 826 of file ResultSetIteration.cpp.

References CHECK_EQ.

829  {
830  std::vector<ScalarTargetValue> values;
831  auto buff_elems = reinterpret_cast<const T*>(buff);
832  CHECK_EQ(size_t(0), buff_sz % sizeof(T));
833  const size_t num_elems = buff_sz / sizeof(T);
834  for (size_t i = 0; i < num_elems; ++i) {
835  values.push_back(make_scalar_tv<T>(buff_elems[i]));
836  }
837  return ArrayTargetValue(values);
838 }
#define CHECK_EQ(x, y)
Definition: Logger.h:195
boost::optional< std::vector< ScalarTargetValue > > ArrayTargetValue
Definition: TargetValue.h:157

◆ build_array_target_value() [2/2]

TargetValue anonymous_namespace{ResultSetIteration.cpp}::build_array_target_value ( const SQLTypeInfo array_ti,
const int8_t *  buff,
const size_t  buff_sz,
const bool  translate_strings,
std::shared_ptr< RowSetMemoryOwner row_set_mem_owner,
const Executor executor 
)

Definition at line 875 of file ResultSetIteration.cpp.

References build_string_array_target_value(), CHECK, SQLTypeInfoCore< TYPE_FACET_PACK >::get_elem_type(), and SQLTypeInfoCore< TYPE_FACET_PACK >::is_array().

Referenced by ResultSet::makeVarlenTargetValue().

880  {
881  CHECK(array_ti.is_array());
882  const auto& elem_ti = array_ti.get_elem_type();
883  if (elem_ti.is_string()) {
884  return build_string_array_target_value(reinterpret_cast<const int32_t*>(buff),
885  buff_sz,
886  elem_ti.get_comp_param(),
887  translate_strings,
888  row_set_mem_owner,
889  executor);
890  }
891  switch (elem_ti.get_size()) {
892  case 1:
893  return build_array_target_value<int8_t>(buff, buff_sz, row_set_mem_owner);
894  case 2:
895  return build_array_target_value<int16_t>(buff, buff_sz, row_set_mem_owner);
896  case 4:
897  if (elem_ti.is_fp()) {
898  return build_array_target_value<float>(buff, buff_sz, row_set_mem_owner);
899  } else {
900  return build_array_target_value<int32_t>(buff, buff_sz, row_set_mem_owner);
901  }
902  case 8:
903  if (elem_ti.is_fp()) {
904  return build_array_target_value<double>(buff, buff_sz, row_set_mem_owner);
905  } else {
906  return build_array_target_value<int64_t>(buff, buff_sz, row_set_mem_owner);
907  }
908  default:
909  CHECK(false);
910  }
911  CHECK(false);
912  return TargetValue(nullptr);
913 }
TargetValue build_string_array_target_value(const int32_t *buff, const size_t buff_sz, const int dict_id, const bool translate_strings, std::shared_ptr< RowSetMemoryOwner > row_set_mem_owner, const Executor *executor)
bool is_array() const
Definition: sqltypes.h:458
SQLTypeInfoCore get_elem_type() const
Definition: sqltypes.h:632
#define CHECK(condition)
Definition: Logger.h:187
boost::variant< ScalarTargetValue, ArrayTargetValue, GeoTargetValue, GeoTargetValuePtr > TargetValue
Definition: TargetValue.h:167
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◆ build_string_array_target_value()

TargetValue anonymous_namespace{ResultSetIteration.cpp}::build_string_array_target_value ( const int32_t *  buff,
const size_t  buff_sz,
const int  dict_id,
const bool  translate_strings,
std::shared_ptr< RowSetMemoryOwner row_set_mem_owner,
const Executor executor 
)

Definition at line 840 of file ResultSetIteration.cpp.

References CHECK_EQ, StringDictionaryProxy::getString(), and NULL_INT.

Referenced by build_array_target_value().

846  {
847  std::vector<ScalarTargetValue> values;
848  CHECK_EQ(size_t(0), buff_sz % sizeof(int32_t));
849  const size_t num_elems = buff_sz / sizeof(int32_t);
850  if (translate_strings) {
851  for (size_t i = 0; i < num_elems; ++i) {
852  const auto string_id = buff[i];
853 
854  if (string_id == NULL_INT) {
855  values.emplace_back(NullableString(nullptr));
856  } else {
857  if (dict_id == 0) {
858  StringDictionaryProxy* sdp = row_set_mem_owner->getLiteralStringDictProxy();
859  values.emplace_back(sdp->getString(string_id));
860  } else {
861  values.emplace_back(NullableString(
862  executor->getStringDictionaryProxy(dict_id, row_set_mem_owner, false)
863  ->getString(string_id)));
864  }
865  }
866  }
867  } else {
868  for (size_t i = 0; i < num_elems; i++) {
869  values.emplace_back(static_cast<int64_t>(buff[i]));
870  }
871  }
872  return ArrayTargetValue(values);
873 }
#define CHECK_EQ(x, y)
Definition: Logger.h:195
std::string getString(int32_t string_id) const
boost::optional< std::vector< ScalarTargetValue > > ArrayTargetValue
Definition: TargetValue.h:157
#define NULL_INT
Definition: sqltypes.h:173
boost::variant< std::string, void * > NullableString
Definition: TargetValue.h:155
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◆ columnar_elem_ptr()

const int8_t* anonymous_namespace{ResultSetIteration.cpp}::columnar_elem_ptr ( const size_t  entry_idx,
const int8_t *  col1_ptr,
const int8_t  compact_sz1 
)

Definition at line 328 of file ResultSetIteration.cpp.

Referenced by ResultSet::ColumnWiseTargetAccessor::getColumnInternal(), and ResultSet::getTargetValueFromBufferColwise().

330  {
331  return col1_ptr + compact_sz1 * entry_idx;
332 }
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◆ fetch_data_from_gpu()

std::unique_ptr<ArrayDatum> anonymous_namespace{ResultSetIteration.cpp}::fetch_data_from_gpu ( int64_t  varlen_ptr,
const int64_t  length,
Data_Namespace::DataMgr data_mgr,
const int  device_id 
)
inline

Definition at line 953 of file ResultSetIteration.cpp.

References copy_from_gpu().

Referenced by anonymous_namespace{ResultSetIteration.cpp}::GeoQueryOutputFetchHandler::yieldGpuDatumFetcher().

956  {
957  auto cpu_buf = std::shared_ptr<int8_t>(new int8_t[length], FreeDeleter());
959  data_mgr, cpu_buf.get(), static_cast<CUdeviceptr>(varlen_ptr), length, device_id);
960  return std::make_unique<ArrayDatum>(length, cpu_buf, false);
961 }
unsigned long long CUdeviceptr
Definition: nocuda.h:27
void copy_from_gpu(Data_Namespace::DataMgr *data_mgr, void *dst, const CUdeviceptr src, const size_t num_bytes, const int device_id)
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◆ get_frag_id_and_local_idx()

template<typename T >
std::pair<int64_t, int64_t> anonymous_namespace{ResultSetIteration.cpp}::get_frag_id_and_local_idx ( const std::vector< std::vector< T >> &  frag_offsets,
const size_t  tab_or_col_idx,
const int64_t  global_idx 
)
inline

Definition at line 1059 of file ResultSetIteration.cpp.

References CHECK_GE, and CHECK_LT.

Referenced by ResultSet::getColumnFrag().

1062  {
1063  CHECK_GE(global_idx, int64_t(0));
1064  for (int64_t frag_id = frag_offsets.size() - 1; frag_id > 0; --frag_id) {
1065  CHECK_LT(tab_or_col_idx, frag_offsets[frag_id].size());
1066  const auto frag_off = static_cast<int64_t>(frag_offsets[frag_id][tab_or_col_idx]);
1067  if (frag_off < global_idx) {
1068  return {frag_id, global_idx - frag_off};
1069  }
1070  }
1071  return {-1, -1};
1072 }
#define CHECK_GE(x, y)
Definition: Logger.h:200
#define CHECK_LT(x, y)
Definition: Logger.h:197
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◆ int_resize_cast()

int64_t anonymous_namespace{ResultSetIteration.cpp}::int_resize_cast ( const int64_t  ival,
const size_t  sz 
)

Definition at line 334 of file ResultSetIteration.cpp.

References UNREACHABLE.

Referenced by ResultSet::RowWiseTargetAccessor::getColumnInternal(), ResultSet::ColumnWiseTargetAccessor::getColumnInternal(), and ResultSet::makeTargetValue().

334  {
335  switch (sz) {
336  case 8:
337  return ival;
338  case 4:
339  return static_cast<int32_t>(ival);
340  case 2:
341  return static_cast<int16_t>(ival);
342  case 1:
343  return static_cast<int8_t>(ival);
344  default:
345  UNREACHABLE();
346  }
347  UNREACHABLE();
348  return 0;
349 }
#define UNREACHABLE()
Definition: Logger.h:231
int64_t const int32_t sz
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◆ lazy_fetch_chunk()

std::unique_ptr<ArrayDatum> anonymous_namespace{ResultSetIteration.cpp}::lazy_fetch_chunk ( const int8_t *  ptr,
const int64_t  varlen_ptr 
)
inline

Definition at line 923 of file ResultSetIteration.cpp.

References CHECK, and ChunkIter_get_nth().

Referenced by anonymous_namespace{ResultSetIteration.cpp}::GeoLazyFetchHandler::fetch().

924  {
925  auto ad = std::make_unique<ArrayDatum>();
926  bool is_end;
927  ChunkIter_get_nth(reinterpret_cast<ChunkIter*>(const_cast<int8_t*>(ptr)),
928  varlen_ptr,
929  ad.get(),
930  &is_end);
931  CHECK(!is_end);
932  return ad;
933 }
DEVICE void ChunkIter_get_nth(ChunkIter *it, int n, bool uncompress, VarlenDatum *result, bool *is_end)
Definition: ChunkIter.cpp:181
#define CHECK(condition)
Definition: Logger.h:187
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◆ make_avg_target_value()

TargetValue anonymous_namespace{ResultSetIteration.cpp}::make_avg_target_value ( const int8_t *  ptr1,
const int8_t  compact_sz1,
const int8_t *  ptr2,
const int8_t  compact_sz2,
const TargetInfo target_info 
)

Definition at line 43 of file ResultSetIteration.cpp.

References TargetInfo::agg_arg_type, TargetInfo::agg_kind, CHECK, anonymous_namespace{ImportTest.cpp}::d(), SQLTypeInfoCore< TYPE_FACET_PACK >::is_decimal(), SQLTypeInfoCore< TYPE_FACET_PACK >::is_fp(), SQLTypeInfoCore< TYPE_FACET_PACK >::is_integer(), kAVG, pair_to_double(), read_int_from_buff(), TargetInfo::sql_type, and takes_float_argument().

Referenced by ResultSet::getTargetValueFromBufferColwise(), and ResultSet::getTargetValueFromBufferRowwise().

47  {
48  int64_t sum{0};
49  CHECK(target_info.agg_kind == kAVG);
50  const bool float_argument_input = takes_float_argument(target_info);
51  const auto actual_compact_sz1 = float_argument_input ? sizeof(float) : compact_sz1;
52  if (target_info.agg_arg_type.is_integer() || target_info.agg_arg_type.is_decimal()) {
53  sum = read_int_from_buff(ptr1, actual_compact_sz1);
54  } else if (target_info.agg_arg_type.is_fp()) {
55  switch (actual_compact_sz1) {
56  case 8: {
57  double d = *reinterpret_cast<const double*>(ptr1);
58  sum = *reinterpret_cast<const int64_t*>(may_alias_ptr(&d));
59  break;
60  }
61  case 4: {
62  double d = *reinterpret_cast<const float*>(ptr1);
63  sum = *reinterpret_cast<const int64_t*>(may_alias_ptr(&d));
64  break;
65  }
66  default:
67  CHECK(false);
68  }
69  } else {
70  CHECK(false);
71  }
72  const auto count = read_int_from_buff(ptr2, compact_sz2);
73  return pair_to_double({sum, count}, target_info.sql_type, false);
74 }
void d(const SQLTypes expected_type, const std::string &str)
Definition: ImportTest.cpp:268
bool is_fp() const
Definition: sqltypes.h:454
SQLTypeInfo sql_type
Definition: TargetInfo.h:42
int64_t read_int_from_buff(const int8_t *ptr, const int8_t compact_sz)
double pair_to_double(const std::pair< int64_t, int64_t > &fp_pair, const SQLTypeInfo &ti, const bool float_argument_input)
bool takes_float_argument(const TargetInfo &target_info)
Definition: TargetInfo.h:120
SQLTypeInfo agg_arg_type
Definition: TargetInfo.h:43
bool is_integer() const
Definition: sqltypes.h:452
bool is_decimal() const
Definition: sqltypes.h:453
SQLAgg agg_kind
Definition: TargetInfo.h:41
#define CHECK(condition)
Definition: Logger.h:187
Definition: sqldefs.h:71
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◆ make_scalar_tv() [1/3]

template<class T >
ScalarTargetValue anonymous_namespace{ResultSetIteration.cpp}::make_scalar_tv ( const T  val)

Definition at line 811 of file ResultSetIteration.cpp.

811  {
812  return ScalarTargetValue(static_cast<int64_t>(val));
813 }
boost::variant< int64_t, double, float, NullableString > ScalarTargetValue
Definition: TargetValue.h:156

◆ make_scalar_tv() [2/3]

template<>
ScalarTargetValue anonymous_namespace{ResultSetIteration.cpp}::make_scalar_tv ( const float  val)

Definition at line 816 of file ResultSetIteration.cpp.

816  {
817  return ScalarTargetValue(val);
818 }
boost::variant< int64_t, double, float, NullableString > ScalarTargetValue
Definition: TargetValue.h:156

◆ make_scalar_tv() [3/3]

template<>
ScalarTargetValue anonymous_namespace{ResultSetIteration.cpp}::make_scalar_tv ( const double  val)

Definition at line 821 of file ResultSetIteration.cpp.

821  {
822  return ScalarTargetValue(val);
823 }
boost::variant< int64_t, double, float, NullableString > ScalarTargetValue
Definition: TargetValue.h:156

◆ make_vals_vector()

template<class Tuple , size_t... indices>
std::vector<std::pair<const int8_t*, const int64_t> > anonymous_namespace{ResultSetIteration.cpp}::make_vals_vector ( std::index_sequence< indices... >  ,
const Tuple &  tuple 
)
inline

Definition at line 916 of file ResultSetIteration.cpp.

Referenced by anonymous_namespace{ResultSetIteration.cpp}::GeoLazyFetchHandler::fetch().

918  {
919  return std::vector<std::pair<const int8_t*, const int64_t>>{
920  std::make_pair(std::get<2 * indices>(tuple), std::get<2 * indices + 1>(tuple))...};
921 }
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