#include <heavydbTypes.h>

Public Member Functions
DEVICE	Array (T *ptr, const int64_t size, const bool is_null=false)

DEVICE	Array ()

DEVICE	Array (const int64_t size, const bool is_null=false)

DEVICE T	operator() (const unsigned int index) const

DEVICE T &	operator[] (const unsigned int index)

DEVICE const T &	operator[] (const unsigned int index) const

DEVICE int64_t	getSize () const

DEVICE bool	isNull () const

DEVICE constexpr T	null_value () const

DEVICE bool	isNull (const unsigned int index) const

Public Attributes
T *	ptr

int64_t	size

int8_t	is_null

Detailed Description

template<typename T>
struct Array< T >

Definition at line 223 of file heavydbTypes.h.

Constructor & Destructor Documentation

template<typename T>

DEVICE Array< T >::Array	(	T *	ptr,
		const int64_t	size,
		const bool	is_null = `false`
	)

inline

Definition at line 228 of file heavydbTypes.h.

229 : ptr(is_null ? nullptr : ptr), size(size), is_null(is_null) {}

Array::size

int64_t size

Definition: heavydbTypes.h:225

Array::is_null

int8_t is_null

Definition: heavydbTypes.h:226

Array::ptr

T * ptr

Definition: heavydbTypes.h:224

template<typename T>

DEVICE Array< T >::Array ( )

inline

Definition at line 230 of file heavydbTypes.h.

230 : ptr(nullptr), size(0), is_null(true) {}

Array::size

int64_t size

Definition: heavydbTypes.h:225

Array::is_null

int8_t is_null

Definition: heavydbTypes.h:226

Array::ptr

T * ptr

Definition: heavydbTypes.h:224

template<typename T>

DEVICE Array< T >::Array	(	const int64_t	size,
		const bool	is_null = `false`
	)

inline

Definition at line 232 of file heavydbTypes.h.

References allocate_varlen_buffer(), Array< T >::is_null, Array< T >::ptr, and heavydb.dtypes::T.

       : size(size), is_null(is_null) {
     if (!is_null) {
       // Memory must be manually released, otherwise leaks can happen.
       // On UDFs, if it is the return argument, memory is released with
       // register_buffer_with_executor_rsm
       ptr = reinterpret_cast<T*>(
           allocate_varlen_buffer(size, static_cast<int64_t>(sizeof(T))));
     } else {
       ptr = nullptr;
     }
   }

Here is the call graph for this function:

Member Function Documentation

template<typename T>

DEVICE int64_t Array< T >::getSize ( ) const

inline

Definition at line 256 of file heavydbTypes.h.

References Array< T >::size.

Referenced by anonymous_namespace{ExtensionFunctionsArray.hpp}::array_append_impl(), array_first_half__t32(), anonymous_namespace{ExtensionFunctionsArray.hpp}::array_first_half_impl(), array_second_half__t32(), anonymous_namespace{ExtensionFunctionsArray.hpp}::array_second_half_impl(), array_split__cpu_template(), anonymous_namespace{ExtensionFunctionsArray.hpp}::barray_append_impl(), Column< Array< T > >::concatItem(), Column< Array< T > >::setItem(), sum_along_row__cpu_template(), and tarray_append().

256 { return size; }

Array::size

int64_t size

Definition: heavydbTypes.h:225

Here is the caller graph for this function:

template<typename T>

DEVICE bool Array< T >::isNull ( ) const

inline

Definition at line 258 of file heavydbTypes.h.

References Array< T >::is_null.

Referenced by array_first_half__t32(), anonymous_namespace{ExtensionFunctionsArray.hpp}::array_first_half_impl(), array_second_half__t32(), anonymous_namespace{ExtensionFunctionsArray.hpp}::array_second_half_impl(), Column< Array< T > >::concatItem(), Column< Array< T > >::setItem(), sum_along_row__cpu_template(), and tarray_append().

258 { return is_null; }

Array::is_null

int8_t is_null

Definition: heavydbTypes.h:226

Here is the caller graph for this function:

template<typename T>

DEVICE bool Array< T >::isNull ( const unsigned int index ) const

inline

Definition at line 262 of file heavydbTypes.h.

References Array< T >::is_null, Array< T >::null_value(), and Array< T >::ptr.

                                                      {
     return (is_null ? false : ptr[index] == null_value());
   }

Here is the call graph for this function:

template<typename T>

DEVICE constexpr T Array< T >::null_value ( ) const

inline

Definition at line 260 of file heavydbTypes.h.

Referenced by Array< T >::isNull().

260 { return inline_null_value<T>(); }

Here is the caller graph for this function:

template<typename T>

DEVICE T Array< T >::operator() ( const unsigned int index ) const

inline

Definition at line 245 of file heavydbTypes.h.

References Array< T >::ptr, and Array< T >::size.

                                                       {
     if (index < static_cast<unsigned int>(size)) {
       return ptr[index];
     } else {
       return 0;  // see array_at
     }
   }