Package org.apache.graphar.arrow

Interface ArrowTable

All Superinterfaces:

com.alibaba.fastffi.CXXPointer, com.alibaba.fastffi.FFIPointer, com.alibaba.fastffi.FFIType

public interface ArrowTable
extends com.alibaba.fastffi.CXXPointer

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	ArrowTable.Static

Method Summary

Modifier and Type	Method	Description
static StdSharedPtr<ArrowTable>	fromVectorSchemaRoot(org.apache.arrow.memory.BufferAllocator allocator, org.apache.arrow.vector.VectorSchemaRoot vsr, org.apache.arrow.vector.dictionary.DictionaryProvider provider)	Convert VectorSchemaRoot to C++ arrow::Table
long	num_rows()
StdString	ToString()

Methods inherited from interface com.alibaba.fastffi.CXXPointer

delete

Methods inherited from interface com.alibaba.fastffi.FFIPointer

getAddress

Method Detail

fromVectorSchemaRoot

static StdSharedPtr<ArrowTable> fromVectorSchemaRoot(org.apache.arrow.memory.BufferAllocator allocator,
                                                     org.apache.arrow.vector.VectorSchemaRoot vsr,
                                                     org.apache.arrow.vector.dictionary.DictionaryProvider provider)

Convert VectorSchemaRoot to C++ arrow::Table

Parameters:

allocator - Buffer allocator for allocating C data interface fields

vsr - Vector schema root to export

provider - Dictionary provider for dictionary encoded vectors (optional)

Returns:

ArrowTbale shared pointer

num_rows

long num_rows()

ToString

StdString ToString()