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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:219
#define CHECK(condition)
Definition: Logger.h:209
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 777 of file ResultSetIteration.cpp.

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

Referenced by ResultSet::makeVarlenTargetValue().

780  {
781  std::vector<ScalarTargetValue> values;
782  auto buff_elems = reinterpret_cast<const T*>(buff);
783  CHECK_EQ(size_t(0), buff_sz % sizeof(T));
784  const size_t num_elems = buff_sz / sizeof(T);
785  for (size_t i = 0; i < num_elems; ++i) {
786  values.push_back(make_scalar_tv<T>(buff_elems[i]));
787  }
788  return ArrayTargetValue(values);
789 }
#define CHECK_EQ(x, y)
Definition: Logger.h:217
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 827 of file ResultSetIteration.cpp.

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

832  {
833  CHECK(array_ti.is_array());
834  const auto& elem_ti = array_ti.get_elem_type();
835  if (elem_ti.is_string()) {
836  return build_string_array_target_value(reinterpret_cast<const int32_t*>(buff),
837  buff_sz,
838  elem_ti.get_comp_param(),
839  translate_strings,
840  row_set_mem_owner,
841  catalog);
842  }
843  switch (elem_ti.get_size()) {
844  case 1:
845  return build_array_target_value<int8_t>(buff, buff_sz, row_set_mem_owner);
846  case 2:
847  return build_array_target_value<int16_t>(buff, buff_sz, row_set_mem_owner);
848  case 4:
849  if (elem_ti.is_fp()) {
850  return build_array_target_value<float>(buff, buff_sz, row_set_mem_owner);
851  } else {
852  return build_array_target_value<int32_t>(buff, buff_sz, row_set_mem_owner);
853  }
854  case 8:
855  if (elem_ti.is_fp()) {
856  return build_array_target_value<double>(buff, buff_sz, row_set_mem_owner);
857  } else {
858  return build_array_target_value<int64_t>(buff, buff_sz, row_set_mem_owner);
859  }
860  default:
861  CHECK(false);
862  }
863  CHECK(false);
864  return TargetValue(nullptr);
865 }
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:209
boost::variant< ScalarTargetValue, ArrayTargetValue, GeoTargetValue, GeoTargetValuePtr > TargetValue
Definition: TargetValue.h:167
SQLTypeInfo get_elem_type() const
Definition: sqltypes.h:850
bool is_array() const
Definition: sqltypes.h:517

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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 791 of file ResultSetIteration.cpp.

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

Referenced by build_array_target_value().

797  {
798  std::vector<ScalarTargetValue> values;
799  CHECK_EQ(size_t(0), buff_sz % sizeof(int32_t));
800  const size_t num_elems = buff_sz / sizeof(int32_t);
801  if (translate_strings) {
802  for (size_t i = 0; i < num_elems; ++i) {
803  const auto string_id = buff[i];
804 
805  if (string_id == NULL_INT) {
806  values.emplace_back(NullableString(nullptr));
807  } else {
808  if (dict_id == 0) {
809  StringDictionaryProxy* sdp = row_set_mem_owner->getLiteralStringDictProxy();
810  values.emplace_back(sdp->getString(string_id));
811  } else {
812  values.emplace_back(NullableString(
813  row_set_mem_owner
814  ->getOrAddStringDictProxy(dict_id, /*with_generation=*/false, catalog)
815  ->getString(string_id)));
816  }
817  }
818  }
819  } else {
820  for (size_t i = 0; i < num_elems; i++) {
821  values.emplace_back(static_cast<int64_t>(buff[i]));
822  }
823  }
824  return ArrayTargetValue(values);
825 }
#define CHECK_EQ(x, y)
Definition: Logger.h:217
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 927 of file ResultSetIteration.cpp.

References Data_Namespace::DataMgr::createGpuAllocator().

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

930  {
931  auto cpu_buf = std::shared_ptr<int8_t>(new int8_t[length], FreeDeleter());
932  auto allocator = data_mgr->createGpuAllocator(device_id);
933  allocator->copyFromDevice(cpu_buf.get(), reinterpret_cast<int8_t*>(varlen_ptr), length);
934  // Just fetching the data from gpu, not checking geo nullness
935  return std::make_unique<ArrayDatum>(length, cpu_buf, false);
936 }
std::unique_ptr< DeviceAllocator > createGpuAllocator(int device_id)
Definition: DataMgr.cpp:522

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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 1067 of file ResultSetIteration.cpp.

References CHECK_GE, and CHECK_LT.

Referenced by ResultSet::getColumnFrag().

1070  {
1071  CHECK_GE(global_idx, int64_t(0));
1072  for (int64_t frag_id = frag_offsets.size() - 1; frag_id > 0; --frag_id) {
1073  CHECK_LT(tab_or_col_idx, frag_offsets[frag_id].size());
1074  const auto frag_off = static_cast<int64_t>(frag_offsets[frag_id][tab_or_col_idx]);
1075  if (frag_off < global_idx) {
1076  return {frag_id, global_idx - frag_off};
1077  }
1078  }
1079  return {-1, -1};
1080 }
#define CHECK_GE(x, y)
Definition: Logger.h:222
#define CHECK_LT(x, y)
Definition: Logger.h:219

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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:253

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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 875 of file ResultSetIteration.cpp.

References CHECK, and ChunkIter_get_nth().

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

876  {
877  auto ad = std::make_unique<ArrayDatum>();
878  bool is_end;
879  ChunkIter_get_nth(reinterpret_cast<ChunkIter*>(const_cast<int8_t*>(ptr)),
880  varlen_ptr,
881  ad.get(),
882  &is_end);
883  CHECK(!is_end);
884  return ad;
885 }
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:209

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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, 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 }
SQLTypeInfo sql_type
Definition: TargetInfo.h:51
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:157
SQLTypeInfo agg_arg_type
Definition: TargetInfo.h:52
int count
SQLAgg agg_kind
Definition: TargetInfo.h:50
#define CHECK(condition)
Definition: Logger.h:209
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 2145 of file ResultSetIteration.cpp.

Referenced by ResultSetStorage::binSearchRowCount().

2145  {
2146  // Avoid search if there are no empty keys.
2147  if (!is_empty_fn(r - 1)) {
2148  return r;
2149  }
2150 
2151  --r;
2152  while (l != r) {
2153  size_t c = (l + r) / 2;
2154  if (is_empty_fn(c)) {
2155  r = c;
2156  } else {
2157  l = c + 1;
2158  }
2159  }
2160 
2161  return r;
2162 }

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

Definition at line 762 of file ResultSetIteration.cpp.

762  {
763  return ScalarTargetValue(static_cast<int64_t>(val));
764 }
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 767 of file ResultSetIteration.cpp.

767  {
768  return ScalarTargetValue(val);
769 }
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 772 of file ResultSetIteration.cpp.

772  {
773  return ScalarTargetValue(val);
774 }
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 868 of file ResultSetIteration.cpp.

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

870  {
871  return std::vector<std::pair<const int8_t*, const int64_t>>{
872  std::make_pair(std::get<2 * indices>(tuple), std::get<2 * indices + 1>(tuple))...};
873 }

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