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Column< T > Struct Template Reference

#include <heavydbTypes.h>

Public Member Functions

DEVICE Column (T *ptr, const int64_t num_rows)
 
DEVICE Column (const Column &other)
 
DEVICE Column (std::vector< T > &input_vec)
 
DEVICE T & operator[] (const unsigned int index) const
 
DEVICE T * getPtr () const
 
DEVICE int64_t size () const
 
DEVICE void setSize (int64_t num_rows)
 
DEVICE bool isNull (int64_t index) const
 
DEVICE void setNull (int64_t index)
 
DEVICE Column< T > & operator= (const Column< T > &other)
 
std::string toString () const
 
template<>
DEVICE bool isNull (int64_t index) const
 
template<>
DEVICE void setNull (int64_t index)
 

Public Attributes

T * ptr_
 
int64_t num_rows_
 

Detailed Description

template<typename T>
struct Column< T >

Definition at line 565 of file heavydbTypes.h.

Constructor & Destructor Documentation

template<typename T>
DEVICE Column< T >::Column ( T *  ptr,
const int64_t  num_rows 
)
inline

Definition at line 569 of file heavydbTypes.h.

569 : ptr_(ptr), num_rows_(num_rows) {}
T * ptr_
Definition: heavydbTypes.h:566
int64_t num_rows_
Definition: heavydbTypes.h:567
template<typename T>
DEVICE Column< T >::Column ( const Column< T > &  other)
inline

Definition at line 573 of file heavydbTypes.h.

573 : ptr_(other.ptr_), num_rows_(other.num_rows_) {}
T * ptr_
Definition: heavydbTypes.h:566
int64_t num_rows_
Definition: heavydbTypes.h:567
template<typename T>
DEVICE Column< T >::Column ( std::vector< T > &  input_vec)
inline

Definition at line 574 of file heavydbTypes.h.

575  : ptr_(input_vec.data()), num_rows_(static_cast<int64_t>(input_vec.size())) {}
T * ptr_
Definition: heavydbTypes.h:566
int64_t num_rows_
Definition: heavydbTypes.h:567

Member Function Documentation

template<typename T>
DEVICE T* Column< T >::getPtr ( ) const
inline

Definition at line 591 of file heavydbTypes.h.

References Column< T >::ptr_.

Referenced by get_column_mean(), get_column_stats(), and get_column_std_dev().

591 { return ptr_; }
T * ptr_
Definition: heavydbTypes.h:566

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template<typename T>
DEVICE bool Column< T >::isNull ( int64_t  index) const
inline

Definition at line 595 of file heavydbTypes.h.

References is_null(), and Column< T >::ptr_.

Referenced by array_asarray__cpu_template(), ct_binding_scalar_multiply__cpu_template(), ct_overload_column_test__cpu_template(), ct_timestamp_add_offset(), ct_timestamp_extract(), ct_timestamp_test_columns_and_scalars__cpu(), get_column_metadata(), Column< TextEncodingDict >::getCString(), Column< TextEncodingDict >::getString(), and row_adder().

595 { return is_null(ptr_[index]); }
T * ptr_
Definition: heavydbTypes.h:566
CONSTEXPR DEVICE bool is_null(const T &value)

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template<>
DEVICE bool Column< Timestamp >::isNull ( int64_t  index) const
inline

Definition at line 836 of file heavydbTypes.h.

References is_null().

836  {
837  return is_null(ptr_[index].time);
838 }
T * ptr_
Definition: heavydbTypes.h:566
CONSTEXPR DEVICE bool is_null(const T &value)

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template<typename T>
DEVICE Column<T>& Column< T >::operator= ( const Column< T > &  other)
inline

Definition at line 597 of file heavydbTypes.h.

References Column< T >::ptr_, Column< T >::size(), and heavydb.dtypes::T.

597  {
598 #ifndef __CUDACC__
599  if (size() == other.size()) {
600  memcpy(ptr_, &other[0], other.size() * sizeof(T));
601  } else {
602  throw std::runtime_error("cannot copy assign columns with different sizes");
603  }
604 #else
605  if (size() == other.size()) {
606  for (unsigned int i = 0; i < size(); i++) {
607  ptr_[i] = other[i];
608  }
609  } else {
610  // TODO: set error
611  }
612 #endif
613  return *this;
614  }
DEVICE int64_t size() const
Definition: heavydbTypes.h:592
T * ptr_
Definition: heavydbTypes.h:566

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template<typename T>
DEVICE T& Column< T >::operator[] ( const unsigned int  index) const
inline

Definition at line 579 of file heavydbTypes.h.

References Column< T >::num_rows_, Column< T >::ptr_, and set_null().

579  {
580  if (index >= num_rows_) {
581 #ifndef __CUDACC__
582  throw std::runtime_error("column buffer index is out of range");
583 #else
584  auto& null_value = Column_null_value<T>;
585  set_null(null_value);
586  return null_value;
587 #endif
588  }
589  return ptr_[index];
590  }
T * ptr_
Definition: heavydbTypes.h:566
CONSTEXPR DEVICE void set_null(T &value)
int64_t num_rows_
Definition: heavydbTypes.h:567

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template<typename T>
DEVICE void Column< T >::setNull ( int64_t  index)
inline

Definition at line 596 of file heavydbTypes.h.

References Column< T >::ptr_, and set_null().

Referenced by array_asarray__cpu_template(), array_copier__cpu_template(), GeoRaster< T, Z >::calculate_slope_and_aspect(), ct_binding_scalar_multiply__cpu_template(), ct_overload_column_test__cpu_template(), ct_test_nullable(), ct_timestamp_add_offset(), ct_timestamp_extract(), ct_timestamp_test_columns_and_scalars__cpu(), ct_union_pushdown_projection__cpu_template(), ct_union_pushdown_stats__cpu_template(), GeoRaster< T, Z >::outputDenseColumns(), row_adder(), and sum_along_row__cpu_template().

596 { set_null(ptr_[index]); }
T * ptr_
Definition: heavydbTypes.h:566
CONSTEXPR DEVICE void set_null(T &value)

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template<>
DEVICE void Column< Timestamp >::setNull ( int64_t  index)
inline

Definition at line 841 of file heavydbTypes.h.

References set_null().

841  {
842  set_null(ptr_[index].time);
843 }
T * ptr_
Definition: heavydbTypes.h:566
CONSTEXPR DEVICE void set_null(T &value)

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template<typename T>
DEVICE void Column< T >::setSize ( int64_t  num_rows)
inline

Definition at line 593 of file heavydbTypes.h.

References Column< T >::num_rows_.

593 { num_rows_ = num_rows; }
int64_t num_rows_
Definition: heavydbTypes.h:567
template<typename T>
DEVICE int64_t Column< T >::size ( ) const
inline

Definition at line 592 of file heavydbTypes.h.

References Column< T >::num_rows_.

Referenced by TableFunctionManager::allocate_output_buffers(), array_asarray__cpu_template(), GeoRaster< T, Z >::calculate_slope_and_aspect(), column_list_first_last(), column_list_get__cpu_(), GeoRaster< T, Z >::computeParallelImpl(), GeoRaster< T, Z >::computeSerialImpl(), ct_add_size_and_mul_alpha(), ct_binding_column2__cpu_template(), ct_binding_scalar_multiply__cpu_template(), ct_binding_str_length__cpu_(), ct_binding_template__cpu_template(), ct_copy_and_add_size(), ct_cursor_named_args__cpu_(), ct_get_string_chars__template(), ct_named_const_output__cpu_template(), ct_named_output__cpu_template(), ct_named_rowmul_output__cpu_template(), ct_named_user_const_output__cpu_template(), ct_overload_column_list_test2__cpu_template(), ct_overload_column_list_test__cpu_template(), ct_overload_column_test__cpu_template(), ct_pushdown_projection__cpu_template(), ct_pushdown_stats__cpu_template(), ct_sleep1__cpu_(), ct_sleep2(), ct_sparse_add(), ct_test_nullable(), ct_test_preflight_multicursor_qe227__cpu_(), ct_test_preflight_singlecursor_qe227__cpu_(), ct_test_preflight_sizer(), ct_test_preflight_sizer_const(), ct_throw_if_gt_100__cpu_template(), ct_timestamp_add_offset(), ct_timestamp_extract(), ct_timestamp_test_columns_and_scalars__cpu(), ct_timestamp_truncate(), ct_union_pushdown_projection__cpu_template(), ct_union_pushdown_stats__cpu_template(), dbscan__cpu_template(), GeoRaster< T, Z >::GeoRaster(), get_column_mean(), get_column_metadata(), get_column_min_max(), get_column_stats(), get_column_std_dev(), get_max_with_row_offset__cpu_(), Column< Array< T > >::getItem(), kmeans__cpu_template(), linear_reg_predict__cpu_template(), Column< T >::operator=(), Column< TextEncodingDict >::operator=(), row_adder(), row_addsub(), row_copier(), row_copier2__cpu__(), sort_coefs(), sort_column_limit__cpu_template(), and TableFunctions_Namespace::strip_column_metadata().

592 { return num_rows_; }
int64_t num_rows_
Definition: heavydbTypes.h:567
template<typename T>
std::string Column< T >::toString ( ) const
inline

Definition at line 617 of file heavydbTypes.h.

References Column< T >::num_rows_, Column< T >::ptr_, to_string(), and typeName().

Referenced by Column< Array< T > >::concatItem(), Column< Array< T > >::getItem(), Column< Array< T > >::isNull(), Column< Array< T > >::setItem(), Column< Array< T > >::setNull(), and Column< TextEncodingDict >::toString().

617  {
618  return ::typeName(this) + "(ptr=" + ::toString(reinterpret_cast<void*>(ptr_)) +
619  ", num_rows=" + std::to_string(num_rows_) + ")";
620  }
T * ptr_
Definition: heavydbTypes.h:566
std::string to_string(char const *&&v)
int64_t num_rows_
Definition: heavydbTypes.h:567
std::string typeName(const T *v)
Definition: toString.h:103
std::string toString() const
Definition: heavydbTypes.h:617

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Member Data Documentation


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