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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)
 
template<typename T >
size_t make_bin_search (size_t l, size_t r, T &&is_empty_fn)
 

Function Documentation

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 79 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().

83  {
84  auto crt_col_ptr = get_cols_ptr(buff, query_mem_desc);
85  const auto buffer_col_count = query_mem_desc.getBufferColSlotCount();
86  size_t agg_col_idx{0};
87  for (size_t target_idx = 0; target_idx < targets.size(); ++target_idx) {
88  if (agg_col_idx == slot_idx) {
89  return crt_col_ptr;
90  }
91  CHECK_LT(agg_col_idx, buffer_col_count);
92  const auto& agg_info = targets[target_idx];
93  crt_col_ptr =
94  advance_to_next_columnar_target_buff(crt_col_ptr, query_mem_desc, agg_col_idx);
95  if (agg_info.is_agg && agg_info.agg_kind == kAVG) {
96  if (agg_col_idx + 1 == slot_idx) {
97  return crt_col_ptr;
98  }
100  crt_col_ptr, query_mem_desc, agg_col_idx + 1);
101  }
102  agg_col_idx = advance_slot(agg_col_idx, agg_info, separate_varlen_storage);
103  }
104  CHECK(false);
105  return nullptr;
106 }
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)
CHECK(cgen_state)
#define CHECK_LT(x, y)
Definition: Logger.h:207
size_t getBufferColSlotCount() const
T get_cols_ptr(T buff, const QueryMemoryDescriptor &query_mem_desc)
Definition: sqldefs.h:72

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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 842 of file ResultSetIteration.cpp.

References CHECK_EQ.

Referenced by ResultSet::makeVarlenTargetValue().

845  {
846  std::vector<ScalarTargetValue> values;
847  auto buff_elems = reinterpret_cast<const T*>(buff);
848  CHECK_EQ(size_t(0), buff_sz % sizeof(T));
849  const size_t num_elems = buff_sz / sizeof(T);
850  for (size_t i = 0; i < num_elems; ++i) {
851  values.push_back(make_scalar_tv<T>(buff_elems[i]));
852  }
853  return ArrayTargetValue(values);
854 }
#define CHECK_EQ(x, y)
Definition: Logger.h:205
boost::optional< std::vector< ScalarTargetValue >> ArrayTargetValue
Definition: TargetValue.h:157

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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 891 of file ResultSetIteration.cpp.

References build_string_array_target_value(), CHECK(), SQLTypeInfo::get_elem_type(), and SQLTypeInfo::is_array().

896  {
897  CHECK(array_ti.is_array());
898  const auto& elem_ti = array_ti.get_elem_type();
899  if (elem_ti.is_string()) {
900  return build_string_array_target_value(reinterpret_cast<const int32_t*>(buff),
901  buff_sz,
902  elem_ti.get_comp_param(),
903  translate_strings,
904  row_set_mem_owner,
905  executor);
906  }
907  switch (elem_ti.get_size()) {
908  case 1:
909  return build_array_target_value<int8_t>(buff, buff_sz, row_set_mem_owner);
910  case 2:
911  return build_array_target_value<int16_t>(buff, buff_sz, row_set_mem_owner);
912  case 4:
913  if (elem_ti.is_fp()) {
914  return build_array_target_value<float>(buff, buff_sz, row_set_mem_owner);
915  } else {
916  return build_array_target_value<int32_t>(buff, buff_sz, row_set_mem_owner);
917  }
918  case 8:
919  if (elem_ti.is_fp()) {
920  return build_array_target_value<double>(buff, buff_sz, row_set_mem_owner);
921  } else {
922  return build_array_target_value<int64_t>(buff, buff_sz, row_set_mem_owner);
923  }
924  default:
925  CHECK(false);
926  }
927  CHECK(false);
928  return TargetValue(nullptr);
929 }
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)
CHECK(cgen_state)
boost::variant< ScalarTargetValue, ArrayTargetValue, GeoTargetValue, GeoTargetValuePtr > TargetValue
Definition: TargetValue.h:167
SQLTypeInfo get_elem_type() const
Definition: sqltypes.h:622
bool is_array() const
Definition: sqltypes.h:423

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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 856 of file ResultSetIteration.cpp.

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

Referenced by build_array_target_value().

862  {
863  std::vector<ScalarTargetValue> values;
864  CHECK_EQ(size_t(0), buff_sz % sizeof(int32_t));
865  const size_t num_elems = buff_sz / sizeof(int32_t);
866  if (translate_strings) {
867  for (size_t i = 0; i < num_elems; ++i) {
868  const auto string_id = buff[i];
869 
870  if (string_id == NULL_INT) {
871  values.emplace_back(NullableString(nullptr));
872  } else {
873  if (dict_id == 0) {
874  StringDictionaryProxy* sdp = row_set_mem_owner->getLiteralStringDictProxy();
875  values.emplace_back(sdp->getString(string_id));
876  } else {
877  values.emplace_back(NullableString(
878  executor->getStringDictionaryProxy(dict_id, row_set_mem_owner, false)
879  ->getString(string_id)));
880  }
881  }
882  }
883  } else {
884  for (size_t i = 0; i < num_elems; i++) {
885  values.emplace_back(static_cast<int64_t>(buff[i]));
886  }
887  }
888  return ArrayTargetValue(values);
889 }
#define CHECK_EQ(x, y)
Definition: Logger.h:205
std::string getString(int32_t string_id) const
boost::optional< std::vector< ScalarTargetValue >> ArrayTargetValue
Definition: TargetValue.h:157
#define NULL_INT
Definition: sqltypes.h:182
boost::variant< std::string, void * > NullableString
Definition: TargetValue.h:155

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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 343 of file ResultSetIteration.cpp.

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

345  {
346  return col1_ptr + compact_sz1 * entry_idx;
347 }

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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 991 of file ResultSetIteration.cpp.

References copy_from_gpu().

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

994  {
995  auto cpu_buf = std::shared_ptr<int8_t>(new int8_t[length], FreeDeleter());
997  data_mgr, cpu_buf.get(), static_cast<CUdeviceptr>(varlen_ptr), length, device_id);
998  // Just fetching the data from gpu, not checking geo nullness
999  return std::make_unique<ArrayDatum>(length, cpu_buf, false);
1000 }
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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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 1126 of file ResultSetIteration.cpp.

References CHECK_GE, and CHECK_LT.

Referenced by ResultSet::getColumnFrag().

1129  {
1130  CHECK_GE(global_idx, int64_t(0));
1131  for (int64_t frag_id = frag_offsets.size() - 1; frag_id > 0; --frag_id) {
1132  CHECK_LT(tab_or_col_idx, frag_offsets[frag_id].size());
1133  const auto frag_off = static_cast<int64_t>(frag_offsets[frag_id][tab_or_col_idx]);
1134  if (frag_off < global_idx) {
1135  return {frag_id, global_idx - frag_off};
1136  }
1137  }
1138  return {-1, -1};
1139 }
#define CHECK_GE(x, y)
Definition: Logger.h:210
#define CHECK_LT(x, y)
Definition: Logger.h:207

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

Definition at line 349 of file ResultSetIteration.cpp.

References UNREACHABLE.

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

349  {
350  switch (sz) {
351  case 8:
352  return ival;
353  case 4:
354  return static_cast<int32_t>(ival);
355  case 2:
356  return static_cast<int16_t>(ival);
357  case 1:
358  return static_cast<int8_t>(ival);
359  default:
360  UNREACHABLE();
361  }
362  UNREACHABLE();
363  return 0;
364 }
#define UNREACHABLE()
Definition: Logger.h:241

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

Definition at line 939 of file ResultSetIteration.cpp.

References CHECK(), and ChunkIter_get_nth().

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

940  {
941  auto ad = std::make_unique<ArrayDatum>();
942  bool is_end;
943  ChunkIter_get_nth(reinterpret_cast<ChunkIter*>(const_cast<int8_t*>(ptr)),
944  varlen_ptr,
945  ad.get(),
946  &is_end);
947  CHECK(!is_end);
948  return ad;
949 }
DEVICE void ChunkIter_get_nth(ChunkIter *it, int n, bool uncompress, VarlenDatum *result, bool *is_end)
Definition: ChunkIter.cpp:181
CHECK(cgen_state)

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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 44 of file ResultSetIteration.cpp.

References TargetInfo::agg_arg_type, TargetInfo::agg_kind, CHECK(), SQLTypeInfo::is_decimal(), SQLTypeInfo::is_fp(), SQLTypeInfo::is_integer(), kAVG, pair_to_double(), read_int_from_buff(), TargetInfo::sql_type, and takes_float_argument().

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

48  {
49  int64_t sum{0};
50  CHECK(target_info.agg_kind == kAVG);
51  const bool float_argument_input = takes_float_argument(target_info);
52  const auto actual_compact_sz1 = float_argument_input ? sizeof(float) : compact_sz1;
53  if (target_info.agg_arg_type.is_integer() || target_info.agg_arg_type.is_decimal()) {
54  sum = read_int_from_buff(ptr1, actual_compact_sz1);
55  } else if (target_info.agg_arg_type.is_fp()) {
56  switch (actual_compact_sz1) {
57  case 8: {
58  double d = *reinterpret_cast<const double*>(ptr1);
59  sum = *reinterpret_cast<const int64_t*>(may_alias_ptr(&d));
60  break;
61  }
62  case 4: {
63  double d = *reinterpret_cast<const float*>(ptr1);
64  sum = *reinterpret_cast<const int64_t*>(may_alias_ptr(&d));
65  break;
66  }
67  default:
68  CHECK(false);
69  }
70  } else {
71  CHECK(false);
72  }
73  const auto count = read_int_from_buff(ptr2, compact_sz2);
74  return pair_to_double({sum, count}, target_info.sql_type, false);
75 }
SQLTypeInfo sql_type
Definition: TargetInfo.h:42
bool is_fp() const
Definition: sqltypes.h:419
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:133
SQLTypeInfo agg_arg_type
Definition: TargetInfo.h:43
CHECK(cgen_state)
bool is_integer() const
Definition: sqltypes.h:417
SQLAgg agg_kind
Definition: TargetInfo.h:41
bool is_decimal() const
Definition: sqltypes.h:418
Definition: sqldefs.h:72

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template<typename T >
size_t anonymous_namespace{ResultSetIteration.cpp}::make_bin_search ( size_t  l,
size_t  r,
T &&  is_empty_fn 
)
inline

Definition at line 2180 of file ResultSetIteration.cpp.

Referenced by ResultSetStorage::binSearchRowCount().

2180  {
2181  // Avoid search if there are no empty keys.
2182  if (!is_empty_fn(r - 1)) {
2183  return r;
2184  }
2185 
2186  --r;
2187  while (l != r) {
2188  size_t c = (l + r) / 2;
2189  if (is_empty_fn(c)) {
2190  r = c;
2191  } else {
2192  l = c + 1;
2193  }
2194  }
2195 
2196  return r;
2197 }

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

Definition at line 827 of file ResultSetIteration.cpp.

827  {
828  return ScalarTargetValue(static_cast<int64_t>(val));
829 }
boost::variant< int64_t, double, float, NullableString > ScalarTargetValue
Definition: TargetValue.h:156
template<>
ScalarTargetValue anonymous_namespace{ResultSetIteration.cpp}::make_scalar_tv ( const float  val)

Definition at line 832 of file ResultSetIteration.cpp.

832  {
833  return ScalarTargetValue(val);
834 }
boost::variant< int64_t, double, float, NullableString > ScalarTargetValue
Definition: TargetValue.h:156
template<>
ScalarTargetValue anonymous_namespace{ResultSetIteration.cpp}::make_scalar_tv ( const double  val)

Definition at line 837 of file ResultSetIteration.cpp.

837  {
838  return ScalarTargetValue(val);
839 }
boost::variant< int64_t, double, float, NullableString > ScalarTargetValue
Definition: TargetValue.h:156
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 932 of file ResultSetIteration.cpp.

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

934  {
935  return std::vector<std::pair<const int8_t*, const int64_t>>{
936  std::make_pair(std::get<2 * indices>(tuple), std::get<2 * indices + 1>(tuple))...};
937 }

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