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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 Catalog_Namespace::Catalog *catalog)
 
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 Catalog_Namespace::Catalog *catalog)
 
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 82 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().

86  {
87  auto crt_col_ptr = get_cols_ptr(buff, query_mem_desc);
88  const auto buffer_col_count = query_mem_desc.getBufferColSlotCount();
89  size_t agg_col_idx{0};
90  for (size_t target_idx = 0; target_idx < targets.size(); ++target_idx) {
91  if (agg_col_idx == slot_idx) {
92  return crt_col_ptr;
93  }
94  CHECK_LT(agg_col_idx, buffer_col_count);
95  const auto& agg_info = targets[target_idx];
96  crt_col_ptr =
97  advance_to_next_columnar_target_buff(crt_col_ptr, query_mem_desc, agg_col_idx);
98  if (agg_info.is_agg && agg_info.agg_kind == kAVG) {
99  if (agg_col_idx + 1 == slot_idx) {
100  return crt_col_ptr;
101  }
103  crt_col_ptr, query_mem_desc, agg_col_idx + 1);
104  }
105  agg_col_idx = advance_slot(agg_col_idx, agg_info, separate_varlen_storage);
106  }
107  CHECK(false);
108  return nullptr;
109 }
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:207
#define CHECK(condition)
Definition: Logger.h:197
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 779 of file ResultSetIteration.cpp.

References CHECK_EQ, i, and omnisci.dtypes::T.

Referenced by ResultSet::makeVarlenTargetValue().

782  {
783  std::vector<ScalarTargetValue> values;
784  auto buff_elems = reinterpret_cast<const T*>(buff);
785  CHECK_EQ(size_t(0), buff_sz % sizeof(T));
786  const size_t num_elems = buff_sz / sizeof(T);
787  for (size_t i = 0; i < num_elems; ++i) {
788  values.push_back(make_scalar_tv<T>(buff_elems[i]));
789  }
790  return ArrayTargetValue(values);
791 }
#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 Catalog_Namespace::Catalog catalog 
)

Definition at line 829 of file ResultSetIteration.cpp.

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

834  {
835  CHECK(array_ti.is_array());
836  const auto& elem_ti = array_ti.get_elem_type();
837  if (elem_ti.is_string()) {
838  return build_string_array_target_value(reinterpret_cast<const int32_t*>(buff),
839  buff_sz,
840  elem_ti.get_comp_param(),
841  translate_strings,
842  row_set_mem_owner,
843  catalog);
844  }
845  switch (elem_ti.get_size()) {
846  case 1:
847  return build_array_target_value<int8_t>(buff, buff_sz, row_set_mem_owner);
848  case 2:
849  return build_array_target_value<int16_t>(buff, buff_sz, row_set_mem_owner);
850  case 4:
851  if (elem_ti.is_fp()) {
852  return build_array_target_value<float>(buff, buff_sz, row_set_mem_owner);
853  } else {
854  return build_array_target_value<int32_t>(buff, buff_sz, row_set_mem_owner);
855  }
856  case 8:
857  if (elem_ti.is_fp()) {
858  return build_array_target_value<double>(buff, buff_sz, row_set_mem_owner);
859  } else {
860  return build_array_target_value<int64_t>(buff, buff_sz, row_set_mem_owner);
861  }
862  default:
863  CHECK(false);
864  }
865  CHECK(false);
866  return TargetValue(nullptr);
867 }
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 Catalog_Namespace::Catalog *catalog)
#define CHECK(condition)
Definition: Logger.h:197
boost::variant< ScalarTargetValue, ArrayTargetValue, GeoTargetValue, GeoTargetValuePtr > TargetValue
Definition: TargetValue.h:167
SQLTypeInfo get_elem_type() const
Definition: sqltypes.h:712
bool is_array() const
Definition: sqltypes.h:496

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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 Catalog_Namespace::Catalog catalog 
)

Definition at line 793 of file ResultSetIteration.cpp.

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

Referenced by build_array_target_value().

799  {
800  std::vector<ScalarTargetValue> values;
801  CHECK_EQ(size_t(0), buff_sz % sizeof(int32_t));
802  const size_t num_elems = buff_sz / sizeof(int32_t);
803  if (translate_strings) {
804  for (size_t i = 0; i < num_elems; ++i) {
805  const auto string_id = buff[i];
806 
807  if (string_id == NULL_INT) {
808  values.emplace_back(NullableString(nullptr));
809  } else {
810  if (dict_id == 0) {
811  StringDictionaryProxy* sdp = row_set_mem_owner->getLiteralStringDictProxy();
812  values.emplace_back(sdp->getString(string_id));
813  } else {
814  values.emplace_back(NullableString(
815  row_set_mem_owner
816  ->getOrAddStringDictProxy(dict_id, /*with_generation=*/false, catalog)
817  ->getString(string_id)));
818  }
819  }
820  }
821  } else {
822  for (size_t i = 0; i < num_elems; i++) {
823  values.emplace_back(static_cast<int64_t>(buff[i]));
824  }
825  }
826  return ArrayTargetValue(values);
827 }
#define CHECK_EQ(x, y)
Definition: Logger.h:205
std::string getString(int32_t string_id) const
#define NULL_INT
boost::optional< std::vector< ScalarTargetValue >> ArrayTargetValue
Definition: TargetValue.h:157
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 346 of file ResultSetIteration.cpp.

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

348  {
349  return col1_ptr + compact_sz1 * entry_idx;
350 }

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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 929 of file ResultSetIteration.cpp.

References copy_from_gpu().

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

932  {
933  auto cpu_buf = std::shared_ptr<int8_t>(new int8_t[length], FreeDeleter());
935  data_mgr, cpu_buf.get(), static_cast<CUdeviceptr>(varlen_ptr), length, device_id);
936  // Just fetching the data from gpu, not checking geo nullness
937  return std::make_unique<ArrayDatum>(length, cpu_buf, false);
938 }
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 1064 of file ResultSetIteration.cpp.

References CHECK_GE, and CHECK_LT.

Referenced by ResultSet::getColumnFrag().

1067  {
1068  CHECK_GE(global_idx, int64_t(0));
1069  for (int64_t frag_id = frag_offsets.size() - 1; frag_id > 0; --frag_id) {
1070  CHECK_LT(tab_or_col_idx, frag_offsets[frag_id].size());
1071  const auto frag_off = static_cast<int64_t>(frag_offsets[frag_id][tab_or_col_idx]);
1072  if (frag_off < global_idx) {
1073  return {frag_id, global_idx - frag_off};
1074  }
1075  }
1076  return {-1, -1};
1077 }
#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 352 of file ResultSetIteration.cpp.

References UNREACHABLE.

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

352  {
353  switch (sz) {
354  case 8:
355  return ival;
356  case 4:
357  return static_cast<int32_t>(ival);
358  case 2:
359  return static_cast<int16_t>(ival);
360  case 1:
361  return static_cast<int8_t>(ival);
362  default:
363  UNREACHABLE();
364  }
365  UNREACHABLE();
366  return 0;
367 }
#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 877 of file ResultSetIteration.cpp.

References CHECK, and ChunkIter_get_nth().

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

878  {
879  auto ad = std::make_unique<ArrayDatum>();
880  bool is_end;
881  ChunkIter_get_nth(reinterpret_cast<ChunkIter*>(const_cast<int8_t*>(ptr)),
882  varlen_ptr,
883  ad.get(),
884  &is_end);
885  CHECK(!is_end);
886  return ad;
887 }
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:197

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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 46 of file ResultSetIteration.cpp.

References TargetInfo::agg_arg_type, TargetInfo::agg_kind, CHECK, count, test_fsi::d, kAVG, pair_to_double(), read_int_from_buff(), TargetInfo::sql_type, and takes_float_argument().

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

50  {
51  int64_t sum{0};
52  CHECK(target_info.agg_kind == kAVG);
53  const bool float_argument_input = takes_float_argument(target_info);
54  const auto actual_compact_sz1 = float_argument_input ? sizeof(float) : compact_sz1;
55  const auto& agg_ti = target_info.agg_arg_type;
56  if (agg_ti.is_integer() || agg_ti.is_decimal()) {
57  sum = read_int_from_buff(ptr1, actual_compact_sz1);
58  } else if (agg_ti.is_fp()) {
59  switch (actual_compact_sz1) {
60  case 8: {
61  double d = *reinterpret_cast<const double*>(ptr1);
62  sum = *reinterpret_cast<const int64_t*>(may_alias_ptr(&d));
63  break;
64  }
65  case 4: {
66  double d = *reinterpret_cast<const float*>(ptr1);
67  sum = *reinterpret_cast<const int64_t*>(may_alias_ptr(&d));
68  break;
69  }
70  default:
71  CHECK(false);
72  }
73  } else {
74  CHECK(false);
75  }
76  const auto count = read_int_from_buff(ptr2, compact_sz2);
77  return pair_to_double({sum, count}, target_info.sql_type, false);
78 }
tuple d
Definition: test_fsi.py:9
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:134
SQLTypeInfo agg_arg_type
Definition: TargetInfo.h:43
int count
SQLAgg agg_kind
Definition: TargetInfo.h:41
#define CHECK(condition)
Definition: Logger.h:197
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 2123 of file ResultSetIteration.cpp.

References test_fsi::r.

Referenced by ResultSetStorage::binSearchRowCount().

2123  {
2124  // Avoid search if there are no empty keys.
2125  if (!is_empty_fn(r - 1)) {
2126  return r;
2127  }
2128 
2129  --r;
2130  while (l != r) {
2131  size_t c = (l + r) / 2;
2132  if (is_empty_fn(c)) {
2133  r = c;
2134  } else {
2135  l = c + 1;
2136  }
2137  }
2138 
2139  return r;
2140 }
tuple r
Definition: test_fsi.py:16

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

Definition at line 764 of file ResultSetIteration.cpp.

764  {
765  return ScalarTargetValue(static_cast<int64_t>(val));
766 }
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 769 of file ResultSetIteration.cpp.

769  {
770  return ScalarTargetValue(val);
771 }
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 774 of file ResultSetIteration.cpp.

774  {
775  return ScalarTargetValue(val);
776 }
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 870 of file ResultSetIteration.cpp.

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

872  {
873  return std::vector<std::pair<const int8_t*, const int64_t>>{
874  std::make_pair(std::get<2 * indices>(tuple), std::get<2 * indices + 1>(tuple))...};
875 }

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