duckdb::arrow_string_view_t Union Reference

Public Member Functions
	arrow_string_view_t (int32_t length, const char *data)
	Constructor for inlined arrow string views.
	arrow_string_view_t (int32_t length, const char *data, int32_t buffer_idx, int32_t offset)
	Constructor for non-inlined arrow string views.
int32_t	Length () const
bool	IsInline () const
const char *	GetInlineData () const
int32_t	GetBufferIndex ()
int32_t	GetOffset ()

Public Attributes
struct {
int32_t   length
char   data [ArrowStringViewConstants::MAX_INLINED_BYTES]
}	inlined
	Representation of inlined arrow string views.
struct {
int32_t   length
char   prefix [ArrowStringViewConstants::PREFIX_BYTES]
int32_t   buffer_index
int32_t   offset
}	ref
	Representation of non-inlined arrow string views.

Constructor & Destructor Documentation

arrow_string_view_t() [1/3]

duckdb::arrow_string_view_t::arrow_string_view_t ( )

inline

                          {
    }

arrow_string_view_t() [2/3]

duckdb::arrow_string_view_t::arrow_string_view_t ( int32_t  length, const char *  data  )

inline

Constructor for inlined arrow string views.

                                                          {
        D_ASSERT(length <= ArrowStringViewConstants::MAX_INLINED_BYTES);
        inlined.length = length;
        memcpy(inlined.data, data, UnsafeNumericCast<idx_t>(length));
        if (length < ArrowStringViewConstants::MAX_INLINED_BYTES) {
            // have to 0 pad
            uint8_t remaining_bytes = ArrowStringViewConstants::MAX_INLINED_BYTES - NumericCast<uint8_t>(length);
 
            memset(&inlined.data[length], '\0', remaining_bytes);
        }
    }

arrow_string_view_t() [3/3]

duckdb::arrow_string_view_t::arrow_string_view_t ( int32_t  length, const char *  data, int32_t  buffer_idx, int32_t  offset  )

inline

Constructor for non-inlined arrow string views.

                                                                                              {
        D_ASSERT(length > ArrowStringViewConstants::MAX_INLINED_BYTES);
        ref.length = length;
        memcpy(ref.prefix, data, ArrowStringViewConstants::PREFIX_BYTES);
        ref.buffer_index = buffer_idx;
        ref.offset = offset;
    }

Member Function Documentation

Length()

int32_t duckdb::arrow_string_view_t::Length ( ) const

inline

                           {
        return inlined.length;
    }

IsInline()

bool duckdb::arrow_string_view_t::IsInline ( ) const

inline

                          {
        return Length() <= ArrowStringViewConstants::MAX_INLINED_BYTES;
    }

GetInlineData()

const char * duckdb::arrow_string_view_t::GetInlineData ( ) const

inline

                                      {
        return IsInline() ? inlined.data : ref.prefix;
    }

GetBufferIndex()

int32_t duckdb::arrow_string_view_t::GetBufferIndex ( )

inline

                             {
        D_ASSERT(!IsInline());
        return ref.buffer_index;
    }

GetOffset()

int32_t duckdb::arrow_string_view_t::GetOffset ( )

inline

                        {
        D_ASSERT(!IsInline());
        return ref.offset;
    }

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

• external/duckdb/duckdb.cpp