python/pyarrow/_orc.pxd

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# distutils: language = c++
# cython: language_level = 3

from __future__ import absolute_import

from libc.string cimport const_char
from libcpp.vector cimport vector as std_vector
from pyarrow.includes.common cimport *
from pyarrow.includes.libarrow cimport (CArray, CSchema, CStatus,
                                        CTable, CMemoryPool,
                                        CKeyValueMetadata,
                                        CRecordBatch,
                                        CTable,
                                        RandomAccessFile, OutputStream,
                                        TimeUnit)


cdef extern from "arrow/adapters/orc/adapter.h" \
        namespace "arrow::adapters::orc" nogil:

    cdef cppclass ORCFileReader:
        @staticmethod
        CStatus Open(const shared_ptr[RandomAccessFile]& file,
                     CMemoryPool* pool,
                     unique_ptr[ORCFileReader]* reader)

        CStatus ReadSchema(shared_ptr[CSchema]* out)

        CStatus ReadStripe(int64_t stripe, shared_ptr[CRecordBatch]* out)
        CStatus ReadStripe(int64_t stripe, std_vector[int],
                           shared_ptr[CRecordBatch]* out)

        CStatus Read(shared_ptr[CTable]* out)
        CStatus Read(std_vector[int], shared_ptr[CTable]* out)

        int64_t NumberOfStripes()

        int64_t NumberOfRows()