# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# distutils: language = c++
from pyarrow.includes.common cimport *
cdef extern from "arrow/util/key_value_metadata.h" namespace "arrow" nogil:
cdef cppclass CKeyValueMetadata" arrow::KeyValueMetadata":
CKeyValueMetadata()
CKeyValueMetadata(const unordered_map[c_string, c_string]&)
CKeyValueMetadata(const vector[c_string]& keys,
const vector[c_string]& values)
void reserve(int64_t n)
int64_t size() const
c_string key(int64_t i) const
c_string value(int64_t i) const
int FindKey(const c_string& key) const
shared_ptr[CKeyValueMetadata] Copy() const
c_bool Equals(const CKeyValueMetadata& other)
void Append(const c_string& key, const c_string& value)
void ToUnorderedMap(unordered_map[c_string, c_string]*) const
c_string ToString() const
CResult[c_string] Get(const c_string& key) const
CStatus Delete(const c_string& key)
CStatus Set(const c_string& key, const c_string& value)
c_bool Contains(const c_string& key) const
cdef extern from "arrow/util/decimal.h" namespace "arrow" nogil:
cdef cppclass CDecimal128" arrow::Decimal128":
c_string ToString(int32_t scale) const
cdef extern from "arrow/util/decimal.h" namespace "arrow" nogil:
cdef cppclass CDecimal256" arrow::Decimal256":
c_string ToString(int32_t scale) const
cdef extern from "arrow/config.h" namespace "arrow" nogil:
cdef cppclass CBuildInfo" arrow::BuildInfo":
int version
int version_major
int version_minor
int version_patch
c_string version_string
c_string so_version
c_string full_so_version
c_string compiler_id
c_string compiler_version
c_string compiler_flags
c_string git_id
c_string git_description
c_string package_kind
c_string build_type
const CBuildInfo& GetBuildInfo()
cdef cppclass CRuntimeInfo" arrow::RuntimeInfo":
c_string simd_level
c_string detected_simd_level
CRuntimeInfo GetRuntimeInfo()
cdef extern from "arrow/util/future.h" namespace "arrow" nogil:
cdef cppclass CFuture_Void" arrow::Future<>":
CStatus status()
cdef extern from "arrow/api.h" namespace "arrow" nogil:
cdef enum Type" arrow::Type::type":
_Type_NA" arrow::Type::NA"
_Type_BOOL" arrow::Type::BOOL"
_Type_UINT8" arrow::Type::UINT8"
_Type_INT8" arrow::Type::INT8"
_Type_UINT16" arrow::Type::UINT16"
_Type_INT16" arrow::Type::INT16"
_Type_UINT32" arrow::Type::UINT32"
_Type_INT32" arrow::Type::INT32"
_Type_UINT64" arrow::Type::UINT64"
_Type_INT64" arrow::Type::INT64"
_Type_HALF_FLOAT" arrow::Type::HALF_FLOAT"
_Type_FLOAT" arrow::Type::FLOAT"
_Type_DOUBLE" arrow::Type::DOUBLE"
_Type_DECIMAL128" arrow::Type::DECIMAL128"
_Type_DECIMAL256" arrow::Type::DECIMAL256"
_Type_DATE32" arrow::Type::DATE32"
_Type_DATE64" arrow::Type::DATE64"
_Type_TIMESTAMP" arrow::Type::TIMESTAMP"
_Type_TIME32" arrow::Type::TIME32"
_Type_TIME64" arrow::Type::TIME64"
_Type_DURATION" arrow::Type::DURATION"
_Type_INTERVAL_MONTH_DAY_NANO" arrow::Type::INTERVAL_MONTH_DAY_NANO"
_Type_BINARY" arrow::Type::BINARY"
_Type_STRING" arrow::Type::STRING"
_Type_LARGE_BINARY" arrow::Type::LARGE_BINARY"
_Type_LARGE_STRING" arrow::Type::LARGE_STRING"
_Type_FIXED_SIZE_BINARY" arrow::Type::FIXED_SIZE_BINARY"
_Type_LIST" arrow::Type::LIST"
_Type_LARGE_LIST" arrow::Type::LARGE_LIST"
_Type_FIXED_SIZE_LIST" arrow::Type::FIXED_SIZE_LIST"
_Type_STRUCT" arrow::Type::STRUCT"
_Type_SPARSE_UNION" arrow::Type::SPARSE_UNION"
_Type_DENSE_UNION" arrow::Type::DENSE_UNION"
_Type_DICTIONARY" arrow::Type::DICTIONARY"
_Type_MAP" arrow::Type::MAP"
_Type_EXTENSION" arrow::Type::EXTENSION"
cdef enum UnionMode" arrow::UnionMode::type":
_UnionMode_SPARSE" arrow::UnionMode::SPARSE"
_UnionMode_DENSE" arrow::UnionMode::DENSE"
cdef enum TimeUnit" arrow::TimeUnit::type":
TimeUnit_SECOND" arrow::TimeUnit::SECOND"
TimeUnit_MILLI" arrow::TimeUnit::MILLI"
TimeUnit_MICRO" arrow::TimeUnit::MICRO"
TimeUnit_NANO" arrow::TimeUnit::NANO"
cdef cppclass CBufferSpec" arrow::DataTypeLayout::BufferSpec":
pass
cdef cppclass CDataTypeLayout" arrow::DataTypeLayout":
vector[CBufferSpec] buffers
c_bool has_dictionary
cdef cppclass CDataType" arrow::DataType":
Type id()
c_bool Equals(const CDataType& other, c_bool check_metadata)
c_bool Equals(const shared_ptr[CDataType]& other, c_bool check_metadata)
shared_ptr[CField] field(int i)
const vector[shared_ptr[CField]] fields()
int num_fields()
CDataTypeLayout layout()
c_string ToString()
c_bool is_primitive(Type type)
cdef cppclass CArrayData" arrow::ArrayData":
shared_ptr[CDataType] type
int64_t length
int64_t null_count
int64_t offset
vector[shared_ptr[CBuffer]] buffers
vector[shared_ptr[CArrayData]] child_data
shared_ptr[CArrayData] dictionary
@staticmethod
shared_ptr[CArrayData] Make(const shared_ptr[CDataType]& type,
int64_t length,
vector[shared_ptr[CBuffer]]& buffers,
int64_t null_count,
int64_t offset)
@staticmethod
shared_ptr[CArrayData] MakeWithChildren" Make"(
const shared_ptr[CDataType]& type,
int64_t length,
vector[shared_ptr[CBuffer]]& buffers,
vector[shared_ptr[CArrayData]]& child_data,
int64_t null_count,
int64_t offset)
@staticmethod
shared_ptr[CArrayData] MakeWithChildrenAndDictionary" Make"(
const shared_ptr[CDataType]& type,
int64_t length,
vector[shared_ptr[CBuffer]]& buffers,
vector[shared_ptr[CArrayData]]& child_data,
shared_ptr[CArrayData]& dictionary,
int64_t null_count,
int64_t offset)
cdef cppclass CArray" arrow::Array":
shared_ptr[CDataType] type()
int64_t length()
int64_t null_count()
int64_t offset()
Type type_id()
int num_fields()
CResult[shared_ptr[CScalar]] GetScalar(int64_t i) const
c_string Diff(const CArray& other)
c_bool Equals(const CArray& arr)
c_bool IsNull(int i)
shared_ptr[CArrayData] data()
shared_ptr[CArray] Slice(int64_t offset)
shared_ptr[CArray] Slice(int64_t offset, int64_t length)
CStatus Validate() const
CStatus ValidateFull() const
CResult[shared_ptr[CArray]] View(const shared_ptr[CDataType]& type)
shared_ptr[CArray] MakeArray(const shared_ptr[CArrayData]& data)
CResult[shared_ptr[CArray]] MakeArrayOfNull(
const shared_ptr[CDataType]& type, int64_t length, CMemoryPool* pool)
CResult[shared_ptr[CArray]] MakeArrayFromScalar(
const CScalar& scalar, int64_t length, CMemoryPool* pool)
CStatus DebugPrint(const CArray& arr, int indent)
cdef cppclass CFixedWidthType" arrow::FixedWidthType"(CDataType):
int bit_width()
cdef cppclass CNullArray" arrow::NullArray"(CArray):
CNullArray(int64_t length)
cdef cppclass CDictionaryArray" arrow::DictionaryArray"(CArray):
CDictionaryArray(const shared_ptr[CDataType]& type,
const shared_ptr[CArray]& indices,
const shared_ptr[CArray]& dictionary)
CDictionaryArray(const shared_ptr[CArrayData]& data)
@staticmethod
CResult[shared_ptr[CArray]] FromArrays(
const shared_ptr[CDataType]& type,
const shared_ptr[CArray]& indices,
const shared_ptr[CArray]& dictionary)
shared_ptr[CArray] indices()
shared_ptr[CArray] dictionary()
cdef cppclass CDate32Type" arrow::Date32Type"(CFixedWidthType):
pass
cdef cppclass CDate64Type" arrow::Date64Type"(CFixedWidthType):
pass
cdef cppclass CTimestampType" arrow::TimestampType"(CFixedWidthType):
CTimestampType(TimeUnit unit)
TimeUnit unit()
const c_string& timezone()
cdef cppclass CTime32Type" arrow::Time32Type"(CFixedWidthType):
TimeUnit unit()
cdef cppclass CTime64Type" arrow::Time64Type"(CFixedWidthType):
TimeUnit unit()
shared_ptr[CDataType] ctime32" arrow::time32"(TimeUnit unit)
shared_ptr[CDataType] ctime64" arrow::time64"(TimeUnit unit)
cdef cppclass CDurationType" arrow::DurationType"(CFixedWidthType):
TimeUnit unit()
shared_ptr[CDataType] cduration" arrow::duration"(TimeUnit unit)
cdef cppclass CDictionaryType" arrow::DictionaryType"(CFixedWidthType):
CDictionaryType(const shared_ptr[CDataType]& index_type,
const shared_ptr[CDataType]& value_type,
c_bool ordered)
shared_ptr[CDataType] index_type()
shared_ptr[CDataType] value_type()
c_bool ordered()
shared_ptr[CDataType] ctimestamp" arrow::timestamp"(TimeUnit unit)
shared_ptr[CDataType] ctimestamp" arrow::timestamp"(
TimeUnit unit, const c_string& timezone)
cdef cppclass CMemoryPool" arrow::MemoryPool":
int64_t bytes_allocated()
int64_t max_memory()
c_string backend_name()
void ReleaseUnused()
cdef cppclass CLoggingMemoryPool" arrow::LoggingMemoryPool"(CMemoryPool):
CLoggingMemoryPool(CMemoryPool*)
cdef cppclass CProxyMemoryPool" arrow::ProxyMemoryPool"(CMemoryPool):
CProxyMemoryPool(CMemoryPool*)
cdef cppclass CBuffer" arrow::Buffer":
CBuffer(const uint8_t* data, int64_t size)
const uint8_t* data()
uint8_t* mutable_data()
uintptr_t address()
uintptr_t mutable_address()
int64_t size()
shared_ptr[CBuffer] parent()
c_bool is_cpu() const
c_bool is_mutable() const
c_string ToHexString()
c_bool Equals(const CBuffer& other)
CResult[shared_ptr[CBuffer]] SliceBufferSafe(
const shared_ptr[CBuffer]& buffer, int64_t offset)
CResult[shared_ptr[CBuffer]] SliceBufferSafe(
const shared_ptr[CBuffer]& buffer, int64_t offset, int64_t length)
cdef cppclass CMutableBuffer" arrow::MutableBuffer"(CBuffer):
CMutableBuffer(const uint8_t* data, int64_t size)
cdef cppclass CResizableBuffer" arrow::ResizableBuffer"(CMutableBuffer):
CStatus Resize(const int64_t new_size, c_bool shrink_to_fit)
CStatus Reserve(const int64_t new_size)
CResult[unique_ptr[CBuffer]] AllocateBuffer(const int64_t size,
CMemoryPool* pool)
CResult[unique_ptr[CResizableBuffer]] AllocateResizableBuffer(
const int64_t size, CMemoryPool* pool)
cdef CMemoryPool* c_default_memory_pool" arrow::default_memory_pool"()
cdef CMemoryPool* c_system_memory_pool" arrow::system_memory_pool"()
cdef CStatus c_jemalloc_memory_pool" arrow::jemalloc_memory_pool"(
CMemoryPool** out)
cdef CStatus c_mimalloc_memory_pool" arrow::mimalloc_memory_pool"(
CMemoryPool** out)
cdef vector[c_string] c_supported_memory_backends \
" arrow::SupportedMemoryBackendNames"()
CStatus c_jemalloc_set_decay_ms" arrow::jemalloc_set_decay_ms"(int ms)
cdef cppclass CListType" arrow::ListType"(CDataType):
CListType(const shared_ptr[CDataType]& value_type)
CListType(const shared_ptr[CField]& field)
shared_ptr[CDataType] value_type()
shared_ptr[CField] value_field()
cdef cppclass CLargeListType" arrow::LargeListType"(CDataType):
CLargeListType(const shared_ptr[CDataType]& value_type)
CLargeListType(const shared_ptr[CField]& field)
shared_ptr[CDataType] value_type()
shared_ptr[CField] value_field()
cdef cppclass CMapType" arrow::MapType"(CDataType):
CMapType(const shared_ptr[CField]& key_field,
const shared_ptr[CField]& item_field, c_bool keys_sorted)
shared_ptr[CDataType] key_type()
shared_ptr[CField] key_field()
shared_ptr[CDataType] item_type()
shared_ptr[CField] item_field()
c_bool keys_sorted()
cdef cppclass CFixedSizeListType" arrow::FixedSizeListType"(CDataType):
CFixedSizeListType(const shared_ptr[CDataType]& value_type,
int32_t list_size)
CFixedSizeListType(const shared_ptr[CField]& field, int32_t list_size)
shared_ptr[CDataType] value_type()
shared_ptr[CField] value_field()
int32_t list_size()
cdef cppclass CStringType" arrow::StringType"(CDataType):
pass
cdef cppclass CFixedSizeBinaryType \
" arrow::FixedSizeBinaryType"(CFixedWidthType):
CFixedSizeBinaryType(int byte_width)
int byte_width()
int bit_width()
cdef cppclass CDecimal128Type \
" arrow::Decimal128Type"(CFixedSizeBinaryType):
CDecimal128Type(int precision, int scale)
int precision()
int scale()
cdef cppclass CDecimal256Type \
" arrow::Decimal256Type"(CFixedSizeBinaryType):
CDecimal256Type(int precision, int scale)
int precision()
int scale()
cdef cppclass CField" arrow::Field":
cppclass CMergeOptions "arrow::Field::MergeOptions":
c_bool promote_nullability
@staticmethod
CMergeOptions Defaults()
const c_string& name()
shared_ptr[CDataType] type()
c_bool nullable()
c_string ToString()
c_bool Equals(const CField& other, c_bool check_metadata)
shared_ptr[const CKeyValueMetadata] metadata()
CField(const c_string& name, const shared_ptr[CDataType]& type,
c_bool nullable)
CField(const c_string& name, const shared_ptr[CDataType]& type,
c_bool nullable, const shared_ptr[CKeyValueMetadata]& metadata)
# Removed const in Cython so don't have to cast to get code to generate
shared_ptr[CField] AddMetadata(
const shared_ptr[CKeyValueMetadata]& metadata)
shared_ptr[CField] WithMetadata(
const shared_ptr[CKeyValueMetadata]& metadata)
shared_ptr[CField] RemoveMetadata()
shared_ptr[CField] WithType(const shared_ptr[CDataType]& type)
shared_ptr[CField] WithName(const c_string& name)
shared_ptr[CField] WithNullable(c_bool nullable)
vector[shared_ptr[CField]] Flatten()
cdef cppclass CFieldRef" arrow::FieldRef":
CFieldRef()
CFieldRef(c_string name)
CFieldRef(int index)
CFieldRef(vector[CFieldRef])
@staticmethod
CResult[CFieldRef] FromDotPath(c_string& dot_path)
const c_string* name() const
cdef cppclass CFieldRefHash" arrow::FieldRef::Hash":
pass
cdef cppclass CStructType" arrow::StructType"(CDataType):
CStructType(const vector[shared_ptr[CField]]& fields)
shared_ptr[CField] GetFieldByName(const c_string& name)
vector[shared_ptr[CField]] GetAllFieldsByName(const c_string& name)
int GetFieldIndex(const c_string& name)
vector[int] GetAllFieldIndices(const c_string& name)
cdef cppclass CUnionType" arrow::UnionType"(CDataType):
UnionMode mode()
const vector[int8_t]& type_codes()
const vector[int]& child_ids()
cdef shared_ptr[CDataType] CMakeSparseUnionType" arrow::sparse_union"(
vector[shared_ptr[CField]] fields,
vector[int8_t] type_codes)
cdef shared_ptr[CDataType] CMakeDenseUnionType" arrow::dense_union"(
vector[shared_ptr[CField]] fields,
vector[int8_t] type_codes)
cdef cppclass CSchema" arrow::Schema":
CSchema(const vector[shared_ptr[CField]]& fields)
CSchema(const vector[shared_ptr[CField]]& fields,
const shared_ptr[const CKeyValueMetadata]& metadata)
# Does not actually exist, but gets Cython to not complain
CSchema(const vector[shared_ptr[CField]]& fields,
const shared_ptr[CKeyValueMetadata]& metadata)
c_bool Equals(const CSchema& other, c_bool check_metadata)
shared_ptr[CField] field(int i)
shared_ptr[const CKeyValueMetadata] metadata()
shared_ptr[CField] GetFieldByName(const c_string& name)
vector[shared_ptr[CField]] GetAllFieldsByName(const c_string& name)
int GetFieldIndex(const c_string& name)
vector[int] GetAllFieldIndices(const c_string& name)
int num_fields()
c_string ToString()
CResult[shared_ptr[CSchema]] AddField(int i,
const shared_ptr[CField]& field)
CResult[shared_ptr[CSchema]] RemoveField(int i)
CResult[shared_ptr[CSchema]] SetField(int i,
const shared_ptr[CField]& field)
# Removed const in Cython so don't have to cast to get code to generate
shared_ptr[CSchema] AddMetadata(
const shared_ptr[CKeyValueMetadata]& metadata)
shared_ptr[CSchema] WithMetadata(
const shared_ptr[CKeyValueMetadata]& metadata)
shared_ptr[CSchema] RemoveMetadata()
CResult[shared_ptr[CSchema]] UnifySchemas(
const vector[shared_ptr[CSchema]]& schemas)
cdef cppclass PrettyPrintOptions:
PrettyPrintOptions()
PrettyPrintOptions(int indent_arg)
PrettyPrintOptions(int indent_arg, int window_arg)
int indent
int indent_size
int window
int container_window
c_string null_rep
c_bool skip_new_lines
c_bool truncate_metadata
c_bool show_field_metadata
c_bool show_schema_metadata
@staticmethod
PrettyPrintOptions Defaults()
CStatus PrettyPrint(const CArray& schema,
const PrettyPrintOptions& options,
c_string* result)
CStatus PrettyPrint(const CChunkedArray& schema,
const PrettyPrintOptions& options,
c_string* result)
CStatus PrettyPrint(const CSchema& schema,
const PrettyPrintOptions& options,
c_string* result)
cdef cppclass CBooleanArray" arrow::BooleanArray"(CArray):
c_bool Value(int i)
int64_t false_count()
int64_t true_count()
cdef cppclass CUInt8Array" arrow::UInt8Array"(CArray):
uint8_t Value(int i)
cdef cppclass CInt8Array" arrow::Int8Array"(CArray):
int8_t Value(int i)
cdef cppclass CUInt16Array" arrow::UInt16Array"(CArray):
uint16_t Value(int i)
cdef cppclass CInt16Array" arrow::Int16Array"(CArray):
int16_t Value(int i)
cdef cppclass CUInt32Array" arrow::UInt32Array"(CArray):
uint32_t Value(int i)
cdef cppclass CInt32Array" arrow::Int32Array"(CArray):
int32_t Value(int i)
cdef cppclass CUInt64Array" arrow::UInt64Array"(CArray):
uint64_t Value(int i)
cdef cppclass CInt64Array" arrow::Int64Array"(CArray):
int64_t Value(int i)
cdef cppclass CDate32Array" arrow::Date32Array"(CArray):
int32_t Value(int i)
cdef cppclass CDate64Array" arrow::Date64Array"(CArray):
int64_t Value(int i)
cdef cppclass CTime32Array" arrow::Time32Array"(CArray):
int32_t Value(int i)
cdef cppclass CTime64Array" arrow::Time64Array"(CArray):
int64_t Value(int i)
cdef cppclass CTimestampArray" arrow::TimestampArray"(CArray):
int64_t Value(int i)
cdef cppclass CDurationArray" arrow::DurationArray"(CArray):
int64_t Value(int i)
cdef cppclass CMonthDayNanoIntervalArray \
"arrow::MonthDayNanoIntervalArray"(CArray):
pass
cdef cppclass CHalfFloatArray" arrow::HalfFloatArray"(CArray):
uint16_t Value(int i)
cdef cppclass CFloatArray" arrow::FloatArray"(CArray):
float Value(int i)
cdef cppclass CDoubleArray" arrow::DoubleArray"(CArray):
double Value(int i)
cdef cppclass CFixedSizeBinaryArray" arrow::FixedSizeBinaryArray"(CArray):
const uint8_t* GetValue(int i)
cdef cppclass CDecimal128Array" arrow::Decimal128Array"(
CFixedSizeBinaryArray
):
c_string FormatValue(int i)
cdef cppclass CDecimal256Array" arrow::Decimal256Array"(
CFixedSizeBinaryArray
):
c_string FormatValue(int i)
cdef cppclass CListArray" arrow::ListArray"(CArray):
@staticmethod
CResult[shared_ptr[CArray]] FromArrays(
const CArray& offsets,
const CArray& values,
CMemoryPool* pool,
shared_ptr[CBuffer] null_bitmap,
)
@staticmethod
CResult[shared_ptr[CArray]] FromArraysAndType" FromArrays"(
shared_ptr[CDataType],
const CArray& offsets,
const CArray& values,
CMemoryPool* pool,
shared_ptr[CBuffer] null_bitmap,
)
const int32_t* raw_value_offsets()
int32_t value_offset(int i)
int32_t value_length(int i)
shared_ptr[CArray] values()
shared_ptr[CArray] offsets()
shared_ptr[CDataType] value_type()
cdef cppclass CLargeListArray" arrow::LargeListArray"(CArray):
@staticmethod
CResult[shared_ptr[CArray]] FromArrays(
const CArray& offsets,
const CArray& values,
CMemoryPool* pool,
shared_ptr[CBuffer] null_bitmap
)
@staticmethod
CResult[shared_ptr[CArray]] FromArraysAndType" FromArrays"(
shared_ptr[CDataType],
const CArray& offsets,
const CArray& values,
CMemoryPool* pool,
shared_ptr[CBuffer] null_bitmap
)
int64_t value_offset(int i)
int64_t value_length(int i)
shared_ptr[CArray] values()
shared_ptr[CArray] offsets()
shared_ptr[CDataType] value_type()
cdef cppclass CFixedSizeListArray" arrow::FixedSizeListArray"(CArray):
@staticmethod
CResult[shared_ptr[CArray]] FromArrays(
const shared_ptr[CArray]& values, int32_t list_size)
@staticmethod
CResult[shared_ptr[CArray]] FromArraysAndType" FromArrays"(
const shared_ptr[CArray]& values, shared_ptr[CDataType])
int64_t value_offset(int i)
int64_t value_length(int i)
shared_ptr[CArray] values()
shared_ptr[CDataType] value_type()
cdef cppclass CMapArray" arrow::MapArray"(CArray):
@staticmethod
CResult[shared_ptr[CArray]] FromArrays(
const shared_ptr[CArray]& offsets,
const shared_ptr[CArray]& keys,
const shared_ptr[CArray]& items,
CMemoryPool* pool)
shared_ptr[CArray] keys()
shared_ptr[CArray] items()
CMapType* map_type()
int64_t value_offset(int i)
int64_t value_length(int i)
shared_ptr[CArray] values()
shared_ptr[CDataType] value_type()
cdef cppclass CUnionArray" arrow::UnionArray"(CArray):
shared_ptr[CBuffer] type_codes()
int8_t* raw_type_codes()
int child_id(int64_t index)
shared_ptr[CArray] field(int pos)
const CArray* UnsafeField(int pos)
UnionMode mode()
cdef cppclass CSparseUnionArray" arrow::SparseUnionArray"(CUnionArray):
@staticmethod
CResult[shared_ptr[CArray]] Make(
const CArray& type_codes,
const vector[shared_ptr[CArray]]& children,
const vector[c_string]& field_names,
const vector[int8_t]& type_codes)
cdef cppclass CDenseUnionArray" arrow::DenseUnionArray"(CUnionArray):
@staticmethod
CResult[shared_ptr[CArray]] Make(
const CArray& type_codes,
const CArray& value_offsets,
const vector[shared_ptr[CArray]]& children,
const vector[c_string]& field_names,
const vector[int8_t]& type_codes)
int32_t value_offset(int i)
shared_ptr[CBuffer] value_offsets()
cdef cppclass CBinaryArray" arrow::BinaryArray"(CArray):
const uint8_t* GetValue(int i, int32_t* length)
shared_ptr[CBuffer] value_data()
int32_t value_offset(int64_t i)
int32_t value_length(int64_t i)
int32_t total_values_length()
cdef cppclass CLargeBinaryArray" arrow::LargeBinaryArray"(CArray):
const uint8_t* GetValue(int i, int64_t* length)
shared_ptr[CBuffer] value_data()
int64_t value_offset(int64_t i)
int64_t value_length(int64_t i)
int64_t total_values_length()
cdef cppclass CStringArray" arrow::StringArray"(CBinaryArray):
CStringArray(int64_t length, shared_ptr[CBuffer] value_offsets,
shared_ptr[CBuffer] data,
shared_ptr[CBuffer] null_bitmap,
int64_t null_count,
int64_t offset)
c_string GetString(int i)
cdef cppclass CLargeStringArray" arrow::LargeStringArray" \
(CLargeBinaryArray):
CLargeStringArray(int64_t length, shared_ptr[CBuffer] value_offsets,
shared_ptr[CBuffer] data,
shared_ptr[CBuffer] null_bitmap,
int64_t null_count,
int64_t offset)
c_string GetString(int i)
cdef cppclass CStructArray" arrow::StructArray"(CArray):
CStructArray(shared_ptr[CDataType]& type, int64_t length,
vector[shared_ptr[CArray]]& children,
shared_ptr[CBuffer] null_bitmap=nullptr,
int64_t null_count=-1,
int64_t offset=0)
# XXX Cython crashes if default argument values are declared here
# https://github.com/cython/cython/issues/2167
@staticmethod
CResult[shared_ptr[CArray]] MakeFromFieldNames "Make"(
vector[shared_ptr[CArray]] children,
vector[c_string] field_names,
shared_ptr[CBuffer] null_bitmap,
int64_t null_count,
int64_t offset)
@staticmethod
CResult[shared_ptr[CArray]] MakeFromFields "Make"(
vector[shared_ptr[CArray]] children,
vector[shared_ptr[CField]] fields,
shared_ptr[CBuffer] null_bitmap,
int64_t null_count,
int64_t offset)
shared_ptr[CArray] field(int pos)
shared_ptr[CArray] GetFieldByName(const c_string& name) const
CResult[shared_ptr[CArray]] GetFlattenedField(int index, CMemoryPool* pool) const
CResult[vector[shared_ptr[CArray]]] Flatten(CMemoryPool* pool)
cdef cppclass CChunkedArray" arrow::ChunkedArray":
CChunkedArray(const vector[shared_ptr[CArray]]& arrays)
CChunkedArray(const vector[shared_ptr[CArray]]& arrays,
const shared_ptr[CDataType]& type)
@staticmethod
CResult[shared_ptr[CChunkedArray]] Make(vector[shared_ptr[CArray]] chunks,
shared_ptr[CDataType] type)
int64_t length()
int64_t null_count()
int num_chunks()
c_bool Equals(const CChunkedArray& other)
shared_ptr[CArray] chunk(int i)
shared_ptr[CDataType] type()
CResult[shared_ptr[CScalar]] GetScalar(int64_t index) const
shared_ptr[CChunkedArray] Slice(int64_t offset, int64_t length) const
shared_ptr[CChunkedArray] Slice(int64_t offset) const
CResult[vector[shared_ptr[CChunkedArray]]] Flatten(CMemoryPool* pool)
CStatus Validate() const
CStatus ValidateFull() const
cdef cppclass CRecordBatch" arrow::RecordBatch":
@staticmethod
shared_ptr[CRecordBatch] Make(
const shared_ptr[CSchema]& schema, int64_t num_rows,
const vector[shared_ptr[CArray]]& columns)
@staticmethod
CResult[shared_ptr[CRecordBatch]] FromStructArray(
const shared_ptr[CArray]& array)
c_bool Equals(const CRecordBatch& other, c_bool check_metadata)
shared_ptr[CSchema] schema()
shared_ptr[CArray] column(int i)
const c_string& column_name(int i)
const vector[shared_ptr[CArray]]& columns()
int num_columns()
int64_t num_rows()
CStatus Validate() const
CStatus ValidateFull() const
shared_ptr[CRecordBatch] ReplaceSchemaMetadata(
const shared_ptr[CKeyValueMetadata]& metadata)
shared_ptr[CRecordBatch] Slice(int64_t offset)
shared_ptr[CRecordBatch] Slice(int64_t offset, int64_t length)
cdef cppclass CRecordBatchWithMetadata" arrow::RecordBatchWithMetadata":
shared_ptr[CRecordBatch] batch
# The struct in C++ does not actually have these two `const` qualifiers, but adding `const` gets Cython to not complain
const shared_ptr[const CKeyValueMetadata] custom_metadata
cdef cppclass CTable" arrow::Table":
CTable(const shared_ptr[CSchema]& schema,
const vector[shared_ptr[CChunkedArray]]& columns)
@staticmethod
shared_ptr[CTable] Make(
const shared_ptr[CSchema]& schema,
const vector[shared_ptr[CChunkedArray]]& columns)
@staticmethod
shared_ptr[CTable] MakeWithRows "Make"(
const shared_ptr[CSchema]& schema,
const vector[shared_ptr[CChunkedArray]]& columns,
int64_t num_rows)
@staticmethod
shared_ptr[CTable] MakeFromArrays" Make"(
const shared_ptr[CSchema]& schema,
const vector[shared_ptr[CArray]]& arrays)
@staticmethod
CResult[shared_ptr[CTable]] FromRecordBatchReader(
CRecordBatchReader *reader)
@staticmethod
CResult[shared_ptr[CTable]] FromRecordBatches(
const shared_ptr[CSchema]& schema,
const vector[shared_ptr[CRecordBatch]]& batches)
int num_columns()
int64_t num_rows()
c_bool Equals(const CTable& other, c_bool check_metadata)
shared_ptr[CSchema] schema()
shared_ptr[CChunkedArray] column(int i)
shared_ptr[CField] field(int i)
CResult[shared_ptr[CTable]] AddColumn(
int i, shared_ptr[CField] field, shared_ptr[CChunkedArray] column)
CResult[shared_ptr[CTable]] RemoveColumn(int i)
CResult[shared_ptr[CTable]] SetColumn(
int i, shared_ptr[CField] field, shared_ptr[CChunkedArray] column)
vector[c_string] ColumnNames()
CResult[shared_ptr[CTable]] RenameColumns(const vector[c_string]&)
CResult[shared_ptr[CTable]] SelectColumns(const vector[int]&)
CResult[shared_ptr[CTable]] Flatten(CMemoryPool* pool)
CResult[shared_ptr[CTable]] CombineChunks(CMemoryPool* pool)
CStatus Validate() const
CStatus ValidateFull() const
shared_ptr[CTable] ReplaceSchemaMetadata(
const shared_ptr[CKeyValueMetadata]& metadata)
shared_ptr[CTable] Slice(int64_t offset)
shared_ptr[CTable] Slice(int64_t offset, int64_t length)
cdef cppclass CRecordBatchReader" arrow::RecordBatchReader":
shared_ptr[CSchema] schema()
CStatus Close()
CResult[CRecordBatchWithMetadata] ReadNext()
CStatus ReadNext(shared_ptr[CRecordBatch]* batch)
CResult[shared_ptr[CTable]] ToTable()
cdef cppclass TableBatchReader(CRecordBatchReader):
TableBatchReader(const CTable& table)
TableBatchReader(shared_ptr[CTable] table)
void set_chunksize(int64_t chunksize)
cdef cppclass CTensor" arrow::Tensor":
shared_ptr[CDataType] type()
shared_ptr[CBuffer] data()
const vector[int64_t]& shape()
const vector[int64_t]& strides()
int64_t size()
int ndim()
const vector[c_string]& dim_names()
const c_string& dim_name(int i)
c_bool is_mutable()
c_bool is_contiguous()
Type type_id()
c_bool Equals(const CTensor& other)
cdef cppclass CSparseIndex" arrow::SparseIndex":
pass
cdef cppclass CSparseCOOIndex" arrow::SparseCOOIndex":
c_bool is_canonical()
cdef cppclass CSparseCOOTensor" arrow::SparseCOOTensor":
shared_ptr[CDataType] type()
shared_ptr[CBuffer] data()
CResult[shared_ptr[CTensor]] ToTensor()
shared_ptr[CSparseIndex] sparse_index()
const vector[int64_t]& shape()
int64_t size()
int64_t non_zero_length()
int ndim()
const vector[c_string]& dim_names()
const c_string& dim_name(int i)
c_bool is_mutable()
Type type_id()
c_bool Equals(const CSparseCOOTensor& other)
cdef cppclass CSparseCSRMatrix" arrow::SparseCSRMatrix":
shared_ptr[CDataType] type()
shared_ptr[CBuffer] data()
CResult[shared_ptr[CTensor]] ToTensor()
const vector[int64_t]& shape()
int64_t size()
int64_t non_zero_length()
int ndim()
const vector[c_string]& dim_names()
const c_string& dim_name(int i)
c_bool is_mutable()
Type type_id()
c_bool Equals(const CSparseCSRMatrix& other)
cdef cppclass CSparseCSCMatrix" arrow::SparseCSCMatrix":
shared_ptr[CDataType] type()
shared_ptr[CBuffer] data()
CResult[shared_ptr[CTensor]] ToTensor()
const vector[int64_t]& shape()
int64_t size()
int64_t non_zero_length()
int ndim()
const vector[c_string]& dim_names()
const c_string& dim_name(int i)
c_bool is_mutable()
Type type_id()
c_bool Equals(const CSparseCSCMatrix& other)
cdef cppclass CSparseCSFTensor" arrow::SparseCSFTensor":
shared_ptr[CDataType] type()
shared_ptr[CBuffer] data()
CResult[shared_ptr[CTensor]] ToTensor()
const vector[int64_t]& shape()
int64_t size()
int64_t non_zero_length()
int ndim()
const vector[c_string]& dim_names()
const c_string& dim_name(int i)
c_bool is_mutable()
Type type_id()
c_bool Equals(const CSparseCSFTensor& other)
cdef cppclass CScalar" arrow::Scalar":
CScalar(shared_ptr[CDataType])
shared_ptr[CDataType] type
c_bool is_valid
c_string ToString() const
c_bool Equals(const CScalar& other) const
CStatus Validate() const
CStatus ValidateFull() const
CResult[shared_ptr[CScalar]] CastTo(shared_ptr[CDataType] to) const
cdef cppclass CScalarHash" arrow::Scalar::Hash":
size_t operator()(const shared_ptr[CScalar]& scalar) const
cdef cppclass CNullScalar" arrow::NullScalar"(CScalar):
CNullScalar()
cdef cppclass CBooleanScalar" arrow::BooleanScalar"(CScalar):
CBooleanScalar(c_bool value)
c_bool value
cdef cppclass CInt8Scalar" arrow::Int8Scalar"(CScalar):
int8_t value
cdef cppclass CUInt8Scalar" arrow::UInt8Scalar"(CScalar):
uint8_t value
cdef cppclass CInt16Scalar" arrow::Int16Scalar"(CScalar):
int16_t value
cdef cppclass CUInt16Scalar" arrow::UInt16Scalar"(CScalar):
uint16_t value
cdef cppclass CInt32Scalar" arrow::Int32Scalar"(CScalar):
int32_t value
cdef cppclass CUInt32Scalar" arrow::UInt32Scalar"(CScalar):
uint32_t value
cdef cppclass CInt64Scalar" arrow::Int64Scalar"(CScalar):
int64_t value
cdef cppclass CUInt64Scalar" arrow::UInt64Scalar"(CScalar):
uint64_t value
cdef cppclass CHalfFloatScalar" arrow::HalfFloatScalar"(CScalar):
npy_half value
cdef cppclass CFloatScalar" arrow::FloatScalar"(CScalar):
float value
cdef cppclass CDoubleScalar" arrow::DoubleScalar"(CScalar):
double value
cdef cppclass CDecimal128Scalar" arrow::Decimal128Scalar"(CScalar):
CDecimal128 value
cdef cppclass CDecimal256Scalar" arrow::Decimal256Scalar"(CScalar):
CDecimal256 value
cdef cppclass CDate32Scalar" arrow::Date32Scalar"(CScalar):
int32_t value
cdef cppclass CDate64Scalar" arrow::Date64Scalar"(CScalar):
int64_t value
cdef cppclass CTime32Scalar" arrow::Time32Scalar"(CScalar):
int32_t value
cdef cppclass CTime64Scalar" arrow::Time64Scalar"(CScalar):
int64_t value
cdef cppclass CTimestampScalar" arrow::TimestampScalar"(CScalar):
int64_t value
cdef cppclass CDurationScalar" arrow::DurationScalar"(CScalar):
int64_t value
cdef cppclass CMonthDayNanoIntervalScalar \
"arrow::MonthDayNanoIntervalScalar"(CScalar):
pass
cdef cppclass CBaseBinaryScalar" arrow::BaseBinaryScalar"(CScalar):
shared_ptr[CBuffer] value
cdef cppclass CBaseListScalar" arrow::BaseListScalar"(CScalar):
shared_ptr[CArray] value
cdef cppclass CListScalar" arrow::ListScalar"(CBaseListScalar):
pass
cdef cppclass CMapScalar" arrow::MapScalar"(CListScalar):
pass
cdef cppclass CStructScalar" arrow::StructScalar"(CScalar):
vector[shared_ptr[CScalar]] value
CResult[shared_ptr[CScalar]] field(CFieldRef ref) const
cdef cppclass CDictionaryScalarIndexAndDictionary \
"arrow::DictionaryScalar::ValueType":
shared_ptr[CScalar] index
shared_ptr[CArray] dictionary
cdef cppclass CDictionaryScalar" arrow::DictionaryScalar"(CScalar):
CDictionaryScalar(CDictionaryScalarIndexAndDictionary value,
shared_ptr[CDataType], c_bool is_valid)
CDictionaryScalarIndexAndDictionary value
CResult[shared_ptr[CScalar]] GetEncodedValue()
cdef cppclass CUnionScalar" arrow::UnionScalar"(CScalar):
int8_t type_code
cdef cppclass CDenseUnionScalar" arrow::DenseUnionScalar"(CUnionScalar):
shared_ptr[CScalar] value
cdef cppclass CSparseUnionScalar" arrow::SparseUnionScalar"(CUnionScalar):
vector[shared_ptr[CScalar]] value
int child_id
cdef cppclass CExtensionScalar" arrow::ExtensionScalar"(CScalar):
CExtensionScalar(shared_ptr[CScalar] storage,
shared_ptr[CDataType], c_bool is_valid)
shared_ptr[CScalar] value
shared_ptr[CScalar] MakeScalar[Value](Value value)
cdef cppclass CConcatenateTablesOptions" arrow::ConcatenateTablesOptions":
c_bool unify_schemas
CField.CMergeOptions field_merge_options
@staticmethod
CConcatenateTablesOptions Defaults()
CResult[shared_ptr[CTable]] ConcatenateTables(
const vector[shared_ptr[CTable]]& tables,
CConcatenateTablesOptions options,
CMemoryPool* memory_pool)
cdef cppclass CDictionaryUnifier" arrow::DictionaryUnifier":
@staticmethod
CResult[shared_ptr[CChunkedArray]] UnifyChunkedArray(
shared_ptr[CChunkedArray] array, CMemoryPool* pool)
@staticmethod
CResult[shared_ptr[CTable]] UnifyTable(
const CTable& table, CMemoryPool* pool)
shared_ptr[CScalar] MakeNullScalar(shared_ptr[CDataType] type)
cdef extern from "arrow/builder.h" namespace "arrow" nogil:
cdef cppclass CArrayBuilder" arrow::ArrayBuilder":
CArrayBuilder(shared_ptr[CDataType], CMemoryPool* pool)
int64_t length()
int64_t null_count()
CStatus AppendNull()
CStatus Finish(shared_ptr[CArray]* out)
CStatus Reserve(int64_t additional_capacity)
cdef cppclass CBooleanBuilder" arrow::BooleanBuilder"(CArrayBuilder):
CBooleanBuilder(CMemoryPool* pool)
CStatus Append(const c_bool val)
CStatus Append(const uint8_t val)
cdef cppclass CInt8Builder" arrow::Int8Builder"(CArrayBuilder):
CInt8Builder(CMemoryPool* pool)
CStatus Append(const int8_t value)
cdef cppclass CInt16Builder" arrow::Int16Builder"(CArrayBuilder):
CInt16Builder(CMemoryPool* pool)
CStatus Append(const int16_t value)
cdef cppclass CInt32Builder" arrow::Int32Builder"(CArrayBuilder):
CInt32Builder(CMemoryPool* pool)
CStatus Append(const int32_t value)
cdef cppclass CInt64Builder" arrow::Int64Builder"(CArrayBuilder):
CInt64Builder(CMemoryPool* pool)
CStatus Append(const int64_t value)
cdef cppclass CUInt8Builder" arrow::UInt8Builder"(CArrayBuilder):
CUInt8Builder(CMemoryPool* pool)
CStatus Append(const uint8_t value)
cdef cppclass CUInt16Builder" arrow::UInt16Builder"(CArrayBuilder):
CUInt16Builder(CMemoryPool* pool)
CStatus Append(const uint16_t value)
cdef cppclass CUInt32Builder" arrow::UInt32Builder"(CArrayBuilder):
CUInt32Builder(CMemoryPool* pool)
CStatus Append(const uint32_t value)
cdef cppclass CUInt64Builder" arrow::UInt64Builder"(CArrayBuilder):
CUInt64Builder(CMemoryPool* pool)
CStatus Append(const uint64_t value)
cdef cppclass CHalfFloatBuilder" arrow::HalfFloatBuilder"(CArrayBuilder):
CHalfFloatBuilder(CMemoryPool* pool)
cdef cppclass CFloatBuilder" arrow::FloatBuilder"(CArrayBuilder):
CFloatBuilder(CMemoryPool* pool)
CStatus Append(const float value)
cdef cppclass CDoubleBuilder" arrow::DoubleBuilder"(CArrayBuilder):
CDoubleBuilder(CMemoryPool* pool)
CStatus Append(const double value)
cdef cppclass CBinaryBuilder" arrow::BinaryBuilder"(CArrayBuilder):
CArrayBuilder(shared_ptr[CDataType], CMemoryPool* pool)
CStatus Append(const char* value, int32_t length)
cdef cppclass CStringBuilder" arrow::StringBuilder"(CBinaryBuilder):
CStringBuilder(CMemoryPool* pool)
CStatus Append(const c_string& value)
cdef cppclass CTimestampBuilder "arrow::TimestampBuilder"(CArrayBuilder):
CTimestampBuilder(const shared_ptr[CDataType] typ, CMemoryPool* pool)
CStatus Append(const int64_t value)
cdef cppclass CDate32Builder "arrow::Date32Builder"(CArrayBuilder):
CDate32Builder(CMemoryPool* pool)
CStatus Append(const int32_t value)
cdef cppclass CDate64Builder "arrow::Date64Builder"(CArrayBuilder):
CDate64Builder(CMemoryPool* pool)
CStatus Append(const int64_t value)
# Use typedef to emulate syntax for std::function<void(..)>
ctypedef void CallbackTransform(object, const shared_ptr[CBuffer]& src,
shared_ptr[CBuffer]* dest)
ctypedef CResult[shared_ptr[CInputStream]] StreamWrapFunc(
shared_ptr[CInputStream])
cdef extern from "arrow/util/cancel.h" namespace "arrow" nogil:
cdef cppclass CStopToken "arrow::StopToken":
CStatus Poll()
c_bool IsStopRequested()
cdef cppclass CStopSource "arrow::StopSource":
CStopToken token()
CResult[CStopSource*] SetSignalStopSource()
void ResetSignalStopSource()
CStatus RegisterCancellingSignalHandler(vector[int] signals)
void UnregisterCancellingSignalHandler()
cdef extern from "arrow/io/api.h" namespace "arrow::io" nogil:
cdef enum FileMode" arrow::io::FileMode::type":
FileMode_READ" arrow::io::FileMode::READ"
FileMode_WRITE" arrow::io::FileMode::WRITE"
FileMode_READWRITE" arrow::io::FileMode::READWRITE"
cdef enum ObjectType" arrow::io::ObjectType::type":
ObjectType_FILE" arrow::io::ObjectType::FILE"
ObjectType_DIRECTORY" arrow::io::ObjectType::DIRECTORY"
cdef cppclass CIOContext" arrow::io::IOContext":
CIOContext()
CIOContext(CStopToken)
CIOContext(CMemoryPool*)
CIOContext(CMemoryPool*, CStopToken)
CIOContext c_default_io_context "arrow::io::default_io_context"()
int GetIOThreadPoolCapacity()
CStatus SetIOThreadPoolCapacity(int threads)
cdef cppclass FileStatistics:
int64_t size
ObjectType kind
cdef cppclass FileInterface:
CStatus Close()
CResult[int64_t] Tell()
FileMode mode()
c_bool closed()
cdef cppclass Readable:
# put overload under a different name to avoid cython bug with multiple
# layers of inheritance
CResult[shared_ptr[CBuffer]] ReadBuffer" Read"(int64_t nbytes)
CResult[int64_t] Read(int64_t nbytes, uint8_t* out)
cdef cppclass Seekable:
CStatus Seek(int64_t position)
cdef cppclass Writable:
CStatus WriteBuffer" Write"(shared_ptr[CBuffer] data)
CStatus Write(const uint8_t* data, int64_t nbytes)
CStatus Flush()
cdef cppclass COutputStream" arrow::io::OutputStream"(FileInterface,
Writable):
pass
cdef cppclass CInputStream" arrow::io::InputStream"(FileInterface,
Readable):
CResult[shared_ptr[const CKeyValueMetadata]] ReadMetadata()
cdef cppclass CRandomAccessFile" arrow::io::RandomAccessFile"(CInputStream,
Seekable):
CResult[int64_t] GetSize()
@staticmethod
CResult[shared_ptr[CInputStream]] GetStream(
shared_ptr[CRandomAccessFile] file,
int64_t file_offset,
int64_t nbytes)
CResult[int64_t] ReadAt(int64_t position, int64_t nbytes,
uint8_t* buffer)
CResult[shared_ptr[CBuffer]] ReadAt(int64_t position, int64_t nbytes)
c_bool supports_zero_copy()
cdef cppclass WritableFile(COutputStream, Seekable):
CStatus WriteAt(int64_t position, const uint8_t* data,
int64_t nbytes)
cdef cppclass ReadWriteFileInterface(CRandomAccessFile,
WritableFile):
pass
cdef cppclass CIOFileSystem" arrow::io::FileSystem":
CStatus Stat(const c_string& path, FileStatistics* stat)
cdef cppclass FileOutputStream(COutputStream):
@staticmethod
CResult[shared_ptr[COutputStream]] Open(const c_string& path)
int file_descriptor()
cdef cppclass ReadableFile(CRandomAccessFile):
@staticmethod
CResult[shared_ptr[ReadableFile]] Open(const c_string& path)
@staticmethod
CResult[shared_ptr[ReadableFile]] Open(const c_string& path,
CMemoryPool* memory_pool)
int file_descriptor()
cdef cppclass CMemoryMappedFile \
" arrow::io::MemoryMappedFile"(ReadWriteFileInterface):
@staticmethod
CResult[shared_ptr[CMemoryMappedFile]] Create(const c_string& path,
int64_t size)
@staticmethod
CResult[shared_ptr[CMemoryMappedFile]] Open(const c_string& path,
FileMode mode)
CStatus Resize(int64_t size)
int file_descriptor()
cdef cppclass CCompressedInputStream \
" arrow::io::CompressedInputStream"(CInputStream):
@staticmethod
CResult[shared_ptr[CCompressedInputStream]] Make(
CCodec* codec, shared_ptr[CInputStream] raw)
cdef cppclass CCompressedOutputStream \
" arrow::io::CompressedOutputStream"(COutputStream):
@staticmethod
CResult[shared_ptr[CCompressedOutputStream]] Make(
CCodec* codec, shared_ptr[COutputStream] raw)
cdef cppclass CBufferedInputStream \
" arrow::io::BufferedInputStream"(CInputStream):
@staticmethod
CResult[shared_ptr[CBufferedInputStream]] Create(
int64_t buffer_size, CMemoryPool* pool,
shared_ptr[CInputStream] raw)
CResult[shared_ptr[CInputStream]] Detach()
cdef cppclass CBufferedOutputStream \
" arrow::io::BufferedOutputStream"(COutputStream):
@staticmethod
CResult[shared_ptr[CBufferedOutputStream]] Create(
int64_t buffer_size, CMemoryPool* pool,
shared_ptr[COutputStream] raw)
CResult[shared_ptr[COutputStream]] Detach()
cdef cppclass CTransformInputStreamVTable \
"arrow::py::TransformInputStreamVTable":
CTransformInputStreamVTable()
function[CallbackTransform] transform
shared_ptr[CInputStream] MakeTransformInputStream \
"arrow::py::MakeTransformInputStream"(
shared_ptr[CInputStream] wrapped, CTransformInputStreamVTable vtable,
object method_arg)
shared_ptr[function[StreamWrapFunc]] MakeStreamTransformFunc \
"arrow::py::MakeStreamTransformFunc"(
CTransformInputStreamVTable vtable,
object method_arg)
# ----------------------------------------------------------------------
# HDFS
CStatus HaveLibHdfs()
CStatus HaveLibHdfs3()
cdef enum HdfsDriver" arrow::io::HdfsDriver":
HdfsDriver_LIBHDFS" arrow::io::HdfsDriver::LIBHDFS"
HdfsDriver_LIBHDFS3" arrow::io::HdfsDriver::LIBHDFS3"
cdef cppclass HdfsConnectionConfig:
c_string host
int port
c_string user
c_string kerb_ticket
unordered_map[c_string, c_string] extra_conf
HdfsDriver driver
cdef cppclass HdfsPathInfo:
ObjectType kind
c_string name
c_string owner
c_string group
int32_t last_modified_time
int32_t last_access_time
int64_t size
int16_t replication
int64_t block_size
int16_t permissions
cdef cppclass HdfsReadableFile(CRandomAccessFile):
pass
cdef cppclass HdfsOutputStream(COutputStream):
pass
cdef cppclass CIOHadoopFileSystem \
"arrow::io::HadoopFileSystem"(CIOFileSystem):
@staticmethod
CStatus Connect(const HdfsConnectionConfig* config,
shared_ptr[CIOHadoopFileSystem]* client)
CStatus MakeDirectory(const c_string& path)
CStatus Delete(const c_string& path, c_bool recursive)
CStatus Disconnect()
c_bool Exists(const c_string& path)
CStatus Chmod(const c_string& path, int mode)
CStatus Chown(const c_string& path, const char* owner,
const char* group)
CStatus GetCapacity(int64_t* nbytes)
CStatus GetUsed(int64_t* nbytes)
CStatus ListDirectory(const c_string& path,
vector[HdfsPathInfo]* listing)
CStatus GetPathInfo(const c_string& path, HdfsPathInfo* info)
CStatus Rename(const c_string& src, const c_string& dst)
CStatus OpenReadable(const c_string& path,
shared_ptr[HdfsReadableFile]* handle)
CStatus OpenWritable(const c_string& path, c_bool append,
int32_t buffer_size, int16_t replication,
int64_t default_block_size,
shared_ptr[HdfsOutputStream]* handle)
cdef cppclass CBufferReader \
" arrow::io::BufferReader"(CRandomAccessFile):
CBufferReader(const shared_ptr[CBuffer]& buffer)
CBufferReader(const uint8_t* data, int64_t nbytes)
cdef cppclass CBufferOutputStream \
" arrow::io::BufferOutputStream"(COutputStream):
CBufferOutputStream(const shared_ptr[CResizableBuffer]& buffer)
cdef cppclass CMockOutputStream \
" arrow::io::MockOutputStream"(COutputStream):
CMockOutputStream()
int64_t GetExtentBytesWritten()
cdef cppclass CFixedSizeBufferWriter \
" arrow::io::FixedSizeBufferWriter"(WritableFile):
CFixedSizeBufferWriter(const shared_ptr[CBuffer]& buffer)
void set_memcopy_threads(int num_threads)
void set_memcopy_blocksize(int64_t blocksize)
void set_memcopy_threshold(int64_t threshold)
cdef extern from "arrow/ipc/api.h" namespace "arrow::ipc" nogil:
cdef enum MessageType" arrow::ipc::MessageType":
MessageType_SCHEMA" arrow::ipc::MessageType::SCHEMA"
MessageType_RECORD_BATCH" arrow::ipc::MessageType::RECORD_BATCH"
MessageType_DICTIONARY_BATCH \
" arrow::ipc::MessageType::DICTIONARY_BATCH"
# TODO: use "cpdef enum class" to automatically get a Python wrapper?
# See
# https://github.com/cython/cython/commit/2c7c22f51405299a4e247f78edf52957d30cf71d#diff-61c1365c0f761a8137754bb3a73bfbf7
ctypedef enum CMetadataVersion" arrow::ipc::MetadataVersion":
CMetadataVersion_V1" arrow::ipc::MetadataVersion::V1"
CMetadataVersion_V2" arrow::ipc::MetadataVersion::V2"
CMetadataVersion_V3" arrow::ipc::MetadataVersion::V3"
CMetadataVersion_V4" arrow::ipc::MetadataVersion::V4"
CMetadataVersion_V5" arrow::ipc::MetadataVersion::V5"
cdef cppclass CIpcWriteOptions" arrow::ipc::IpcWriteOptions":
c_bool allow_64bit
int max_recursion_depth
int32_t alignment
c_bool write_legacy_ipc_format
CMemoryPool* memory_pool
CMetadataVersion metadata_version
shared_ptr[CCodec] codec
c_bool use_threads
c_bool emit_dictionary_deltas
c_bool unify_dictionaries
CIpcWriteOptions()
CIpcWriteOptions(CIpcWriteOptions&&)
@staticmethod
CIpcWriteOptions Defaults()
cdef cppclass CIpcReadOptions" arrow::ipc::IpcReadOptions":
int max_recursion_depth
CMemoryPool* memory_pool
vector[int] included_fields
c_bool use_threads
c_bool ensure_native_endian
@staticmethod
CIpcReadOptions Defaults()
cdef cppclass CIpcWriteStats" arrow::ipc::WriteStats":
int64_t num_messages
int64_t num_record_batches
int64_t num_dictionary_batches
int64_t num_dictionary_deltas
int64_t num_replaced_dictionaries
cdef cppclass CIpcReadStats" arrow::ipc::ReadStats":
int64_t num_messages
int64_t num_record_batches
int64_t num_dictionary_batches
int64_t num_dictionary_deltas
int64_t num_replaced_dictionaries
cdef cppclass CDictionaryMemo" arrow::ipc::DictionaryMemo":
pass
cdef cppclass CIpcPayload" arrow::ipc::IpcPayload":
MessageType type
shared_ptr[CBuffer] metadata
vector[shared_ptr[CBuffer]] body_buffers
int64_t body_length
cdef cppclass CMessage" arrow::ipc::Message":
CResult[unique_ptr[CMessage]] Open(shared_ptr[CBuffer] metadata,
shared_ptr[CBuffer] body)
shared_ptr[CBuffer] body()
c_bool Equals(const CMessage& other)
shared_ptr[CBuffer] metadata()
CMetadataVersion metadata_version()
MessageType type()
CStatus SerializeTo(COutputStream* stream,
const CIpcWriteOptions& options,
int64_t* output_length)
c_string FormatMessageType(MessageType type)
cdef cppclass CMessageReader" arrow::ipc::MessageReader":
@staticmethod
unique_ptr[CMessageReader] Open(const shared_ptr[CInputStream]& stream)
CResult[unique_ptr[CMessage]] ReadNextMessage()
cdef cppclass CRecordBatchWriter" arrow::ipc::RecordBatchWriter":
CStatus Close()
CStatus WriteRecordBatch(const CRecordBatch& batch)
CStatus WriteRecordBatch(
const CRecordBatch& batch,
const shared_ptr[const CKeyValueMetadata]& metadata)
CStatus WriteTable(const CTable& table, int64_t max_chunksize)
CIpcWriteStats stats()
cdef cppclass CRecordBatchStreamReader \
" arrow::ipc::RecordBatchStreamReader"(CRecordBatchReader):
@staticmethod
CResult[shared_ptr[CRecordBatchReader]] Open(
const shared_ptr[CInputStream], const CIpcReadOptions&)
@staticmethod
CResult[shared_ptr[CRecordBatchReader]] Open2" Open"(
unique_ptr[CMessageReader] message_reader,
const CIpcReadOptions& options)
CIpcReadStats stats()
cdef cppclass CRecordBatchFileReader \
" arrow::ipc::RecordBatchFileReader":
@staticmethod
CResult[shared_ptr[CRecordBatchFileReader]] Open(
CRandomAccessFile* file,
const CIpcReadOptions& options)
@staticmethod
CResult[shared_ptr[CRecordBatchFileReader]] Open2" Open"(
CRandomAccessFile* file, int64_t footer_offset,
const CIpcReadOptions& options)
shared_ptr[CSchema] schema()
int num_record_batches()
CResult[shared_ptr[CRecordBatch]] ReadRecordBatch(int i)
CResult[CRecordBatchWithMetadata] ReadRecordBatchWithCustomMetadata(int i)
CIpcReadStats stats()
CResult[shared_ptr[CRecordBatchWriter]] MakeStreamWriter(
shared_ptr[COutputStream] sink, const shared_ptr[CSchema]& schema,
CIpcWriteOptions& options)
CResult[shared_ptr[CRecordBatchWriter]] MakeFileWriter(
shared_ptr[COutputStream] sink, const shared_ptr[CSchema]& schema,
CIpcWriteOptions& options)
CResult[unique_ptr[CMessage]] ReadMessage(CInputStream* stream,
CMemoryPool* pool)
CStatus GetRecordBatchSize(const CRecordBatch& batch, int64_t* size)
CStatus GetTensorSize(const CTensor& tensor, int64_t* size)
CStatus WriteTensor(const CTensor& tensor, COutputStream* dst,
int32_t* metadata_length,
int64_t* body_length)
CResult[shared_ptr[CTensor]] ReadTensor(CInputStream* stream)
CResult[shared_ptr[CRecordBatch]] ReadRecordBatch(
const CMessage& message, const shared_ptr[CSchema]& schema,
CDictionaryMemo* dictionary_memo,
const CIpcReadOptions& options)
CResult[shared_ptr[CBuffer]] SerializeSchema(
const CSchema& schema, CMemoryPool* pool)
CResult[shared_ptr[CBuffer]] SerializeRecordBatch(
const CRecordBatch& schema, const CIpcWriteOptions& options)
CResult[shared_ptr[CSchema]] ReadSchema(const CMessage& message,
CDictionaryMemo* dictionary_memo)
CResult[shared_ptr[CSchema]] ReadSchema(CInputStream* stream,
CDictionaryMemo* dictionary_memo)
CResult[shared_ptr[CRecordBatch]] ReadRecordBatch(
const shared_ptr[CSchema]& schema,
CDictionaryMemo* dictionary_memo,
const CIpcReadOptions& options,
CInputStream* stream)
CStatus AlignStream(CInputStream* stream, int64_t alignment)
CStatus AlignStream(COutputStream* stream, int64_t alignment)
cdef CStatus GetRecordBatchPayload \
" arrow::ipc::GetRecordBatchPayload"(
const CRecordBatch& batch,
const CIpcWriteOptions& options,
CIpcPayload* out)
cdef extern from "arrow/util/value_parsing.h" namespace "arrow" nogil:
cdef cppclass CTimestampParser" arrow::TimestampParser":
const char* kind() const
const char* format() const
@staticmethod
shared_ptr[CTimestampParser] MakeStrptime(c_string format)
@staticmethod
shared_ptr[CTimestampParser] MakeISO8601()
cdef extern from "arrow/csv/api.h" namespace "arrow::csv" nogil:
cdef cppclass CCSVInvalidRow" arrow::csv::InvalidRow":
int32_t expected_columns
int32_t actual_columns
int64_t number
c_string text
ctypedef enum CInvalidRowResult" arrow::csv::InvalidRowResult":
CInvalidRowResult_Error" arrow::csv::InvalidRowResult::Error"
CInvalidRowResult_Skip" arrow::csv::InvalidRowResult::Skip"
ctypedef CInvalidRowResult CInvalidRowHandler(const CCSVInvalidRow&)
cdef extern from "arrow/csv/api.h" namespace "arrow::csv" nogil:
ctypedef enum CQuotingStyle "arrow::csv::QuotingStyle":
CQuotingStyle_Needed "arrow::csv::QuotingStyle::Needed"
CQuotingStyle_AllValid "arrow::csv::QuotingStyle::AllValid"
CQuotingStyle_None "arrow::csv::QuotingStyle::None"
cdef cppclass CCSVParseOptions" arrow::csv::ParseOptions":
unsigned char delimiter
c_bool quoting
unsigned char quote_char
c_bool double_quote
c_bool escaping
unsigned char escape_char
c_bool newlines_in_values
c_bool ignore_empty_lines
function[CInvalidRowHandler] invalid_row_handler
CCSVParseOptions()
CCSVParseOptions(CCSVParseOptions&&)
@staticmethod
CCSVParseOptions Defaults()
CStatus Validate()
cdef cppclass CCSVConvertOptions" arrow::csv::ConvertOptions":
c_bool check_utf8
unordered_map[c_string, shared_ptr[CDataType]] column_types
vector[c_string] null_values
vector[c_string] true_values
vector[c_string] false_values
c_bool strings_can_be_null
c_bool quoted_strings_can_be_null
vector[shared_ptr[CTimestampParser]] timestamp_parsers
c_bool auto_dict_encode
int32_t auto_dict_max_cardinality
unsigned char decimal_point
vector[c_string] include_columns
c_bool include_missing_columns
CCSVConvertOptions()
CCSVConvertOptions(CCSVConvertOptions&&)
@staticmethod
CCSVConvertOptions Defaults()
CStatus Validate()
cdef cppclass CCSVReadOptions" arrow::csv::ReadOptions":
c_bool use_threads
int32_t block_size
int32_t skip_rows
int32_t skip_rows_after_names
vector[c_string] column_names
c_bool autogenerate_column_names
CCSVReadOptions()
CCSVReadOptions(CCSVReadOptions&&)
@staticmethod
CCSVReadOptions Defaults()
CStatus Validate()
cdef cppclass CCSVWriteOptions" arrow::csv::WriteOptions":
c_bool include_header
int32_t batch_size
unsigned char delimiter
CQuotingStyle quoting_style
CIOContext io_context
CCSVWriteOptions()
CCSVWriteOptions(CCSVWriteOptions&&)
@staticmethod
CCSVWriteOptions Defaults()
CStatus Validate()
cdef cppclass CCSVReader" arrow::csv::TableReader":
@staticmethod
CResult[shared_ptr[CCSVReader]] Make(
CIOContext, shared_ptr[CInputStream],
CCSVReadOptions, CCSVParseOptions, CCSVConvertOptions)
CResult[shared_ptr[CTable]] Read()
cdef cppclass CCSVStreamingReader" arrow::csv::StreamingReader"(
CRecordBatchReader):
@staticmethod
CResult[shared_ptr[CCSVStreamingReader]] Make(
CIOContext, shared_ptr[CInputStream],
CCSVReadOptions, CCSVParseOptions, CCSVConvertOptions)
cdef CStatus WriteCSV(CTable&, CCSVWriteOptions& options, COutputStream*)
cdef CStatus WriteCSV(
CRecordBatch&, CCSVWriteOptions& options, COutputStream*)
cdef CResult[shared_ptr[CRecordBatchWriter]] MakeCSVWriter(
shared_ptr[COutputStream], shared_ptr[CSchema],
CCSVWriteOptions& options)
cdef extern from "arrow/json/options.h" nogil:
ctypedef enum CUnexpectedFieldBehavior \
"arrow::json::UnexpectedFieldBehavior":
CUnexpectedFieldBehavior_Ignore \
"arrow::json::UnexpectedFieldBehavior::Ignore"
CUnexpectedFieldBehavior_Error \
"arrow::json::UnexpectedFieldBehavior::Error"
CUnexpectedFieldBehavior_InferType \
"arrow::json::UnexpectedFieldBehavior::InferType"
cdef cppclass CJSONReadOptions" arrow::json::ReadOptions":
c_bool use_threads
int32_t block_size
@staticmethod
CJSONReadOptions Defaults()
cdef cppclass CJSONParseOptions" arrow::json::ParseOptions":
shared_ptr[CSchema] explicit_schema
c_bool newlines_in_values
CUnexpectedFieldBehavior unexpected_field_behavior
@staticmethod
CJSONParseOptions Defaults()
cdef extern from "arrow/json/reader.h" namespace "arrow::json" nogil:
cdef cppclass CJSONReader" arrow::json::TableReader":
@staticmethod
CResult[shared_ptr[CJSONReader]] Make(
CMemoryPool*, shared_ptr[CInputStream],
CJSONReadOptions, CJSONParseOptions)
CResult[shared_ptr[CTable]] Read()
cdef extern from "arrow/util/thread_pool.h" namespace "arrow::internal" nogil:
cdef cppclass CExecutor "arrow::internal::Executor":
pass
cdef cppclass CThreadPool "arrow::internal::ThreadPool"(CExecutor):
@staticmethod
CResult[shared_ptr[CThreadPool]] Make(int threads)
CThreadPool* GetCpuThreadPool()
cdef extern from "arrow/compute/api.h" namespace "arrow::compute" nogil:
cdef cppclass CExecContext" arrow::compute::ExecContext":
CExecContext()
CExecContext(CMemoryPool* pool)
CExecContext(CMemoryPool* pool, CExecutor* exc)
CMemoryPool* memory_pool() const
CExecutor* executor()
cdef cppclass CKernelSignature" arrow::compute::KernelSignature":
c_string ToString() const
cdef cppclass CKernel" arrow::compute::Kernel":
shared_ptr[CKernelSignature] signature
cdef cppclass CArrayKernel" arrow::compute::ArrayKernel"(CKernel):
pass
cdef cppclass CScalarKernel" arrow::compute::ScalarKernel"(CArrayKernel):
pass
cdef cppclass CVectorKernel" arrow::compute::VectorKernel"(CArrayKernel):
pass
cdef cppclass CScalarAggregateKernel \
" arrow::compute::ScalarAggregateKernel"(CKernel):
pass
cdef cppclass CHashAggregateKernel \
" arrow::compute::HashAggregateKernel"(CKernel):
pass
cdef cppclass CArity" arrow::compute::Arity":
int num_args
c_bool is_varargs
CArity()
CArity(int num_args, c_bool is_varargs)
cdef enum FunctionKind" arrow::compute::Function::Kind":
FunctionKind_SCALAR" arrow::compute::Function::SCALAR"
FunctionKind_VECTOR" arrow::compute::Function::VECTOR"
FunctionKind_SCALAR_AGGREGATE \
" arrow::compute::Function::SCALAR_AGGREGATE"
FunctionKind_HASH_AGGREGATE \
" arrow::compute::Function::HASH_AGGREGATE"
FunctionKind_META \
" arrow::compute::Function::META"
cdef cppclass CFunctionDoc" arrow::compute::FunctionDoc":
c_string summary
c_string description
vector[c_string] arg_names
c_string options_class
c_bool options_required
cdef cppclass CFunctionOptionsType" arrow::compute::FunctionOptionsType":
const char* type_name() const
cdef cppclass CFunctionOptions" arrow::compute::FunctionOptions":
const CFunctionOptionsType* options_type() const
const char* type_name() const
c_bool Equals(const CFunctionOptions& other) const
c_string ToString() const
unique_ptr[CFunctionOptions] Copy() const
CResult[shared_ptr[CBuffer]] Serialize() const
@staticmethod
CResult[unique_ptr[CFunctionOptions]] Deserialize(
const c_string& type_name, const CBuffer& buffer)
cdef cppclass CFunction" arrow::compute::Function":
const c_string& name() const
FunctionKind kind() const
const CArity& arity() const
const CFunctionDoc& doc() const
int num_kernels() const
CResult[CDatum] Execute(const vector[CDatum]& args,
const CFunctionOptions* options,
CExecContext* ctx) const
CResult[CDatum] Execute(const CExecBatch& args,
const CFunctionOptions* options,
CExecContext* ctx) const
cdef cppclass CScalarFunction" arrow::compute::ScalarFunction"(CFunction):
vector[const CScalarKernel*] kernels() const
cdef cppclass CVectorFunction" arrow::compute::VectorFunction"(CFunction):
vector[const CVectorKernel*] kernels() const
cdef cppclass CScalarAggregateFunction \
" arrow::compute::ScalarAggregateFunction"(CFunction):
vector[const CScalarAggregateKernel*] kernels() const
cdef cppclass CHashAggregateFunction \
" arrow::compute::HashAggregateFunction"(CFunction):
vector[const CHashAggregateKernel*] kernels() const
cdef cppclass CMetaFunction" arrow::compute::MetaFunction"(CFunction):
pass
cdef cppclass CFunctionRegistry" arrow::compute::FunctionRegistry":
CResult[shared_ptr[CFunction]] GetFunction(
const c_string& name) const
vector[c_string] GetFunctionNames() const
int num_functions() const
CFunctionRegistry* GetFunctionRegistry()
cdef cppclass CElementWiseAggregateOptions \
"arrow::compute::ElementWiseAggregateOptions"(CFunctionOptions):
CElementWiseAggregateOptions(c_bool skip_nulls)
c_bool skip_nulls
ctypedef enum CRoundMode \
"arrow::compute::RoundMode":
CRoundMode_DOWN \
"arrow::compute::RoundMode::DOWN"
CRoundMode_UP \
"arrow::compute::RoundMode::UP"
CRoundMode_TOWARDS_ZERO \
"arrow::compute::RoundMode::TOWARDS_ZERO"
CRoundMode_TOWARDS_INFINITY \
"arrow::compute::RoundMode::TOWARDS_INFINITY"
CRoundMode_HALF_DOWN \
"arrow::compute::RoundMode::HALF_DOWN"
CRoundMode_HALF_UP \
"arrow::compute::RoundMode::HALF_UP"
CRoundMode_HALF_TOWARDS_ZERO \
"arrow::compute::RoundMode::HALF_TOWARDS_ZERO"
CRoundMode_HALF_TOWARDS_INFINITY \
"arrow::compute::RoundMode::HALF_TOWARDS_INFINITY"
CRoundMode_HALF_TO_EVEN \
"arrow::compute::RoundMode::HALF_TO_EVEN"
CRoundMode_HALF_TO_ODD \
"arrow::compute::RoundMode::HALF_TO_ODD"
cdef cppclass CRoundOptions \
"arrow::compute::RoundOptions"(CFunctionOptions):
CRoundOptions(int64_t ndigits, CRoundMode round_mode)
int64_t ndigits
CRoundMode round_mode
ctypedef enum CCalendarUnit \
"arrow::compute::CalendarUnit":
CCalendarUnit_NANOSECOND \
"arrow::compute::CalendarUnit::NANOSECOND"
CCalendarUnit_MICROSECOND \
"arrow::compute::CalendarUnit::MICROSECOND"
CCalendarUnit_MILLISECOND \
"arrow::compute::CalendarUnit::MILLISECOND"
CCalendarUnit_SECOND \
"arrow::compute::CalendarUnit::SECOND"
CCalendarUnit_MINUTE \
"arrow::compute::CalendarUnit::MINUTE"
CCalendarUnit_HOUR \
"arrow::compute::CalendarUnit::HOUR"
CCalendarUnit_DAY \
"arrow::compute::CalendarUnit::DAY"
CCalendarUnit_WEEK \
"arrow::compute::CalendarUnit::WEEK"
CCalendarUnit_MONTH \
"arrow::compute::CalendarUnit::MONTH"
CCalendarUnit_QUARTER \
"arrow::compute::CalendarUnit::QUARTER"
CCalendarUnit_YEAR \
"arrow::compute::CalendarUnit::YEAR"
cdef cppclass CRoundTemporalOptions \
"arrow::compute::RoundTemporalOptions"(CFunctionOptions):
CRoundTemporalOptions(int multiple, CCalendarUnit unit,
c_bool week_starts_monday,
c_bool ceil_is_strictly_greater,
c_bool calendar_based_origin)
int multiple
CCalendarUnit unit
c_bool week_starts_monday
c_bool ceil_is_strictly_greater
c_bool calendar_based_origin
cdef cppclass CRoundToMultipleOptions \
"arrow::compute::RoundToMultipleOptions"(CFunctionOptions):
CRoundToMultipleOptions(shared_ptr[CScalar] multiple, CRoundMode round_mode)
shared_ptr[CScalar] multiple
CRoundMode round_mode
cdef enum CJoinNullHandlingBehavior \
"arrow::compute::JoinOptions::NullHandlingBehavior":
CJoinNullHandlingBehavior_EMIT_NULL \
"arrow::compute::JoinOptions::EMIT_NULL"
CJoinNullHandlingBehavior_SKIP \
"arrow::compute::JoinOptions::SKIP"
CJoinNullHandlingBehavior_REPLACE \
"arrow::compute::JoinOptions::REPLACE"
cdef cppclass CJoinOptions \
"arrow::compute::JoinOptions"(CFunctionOptions):
CJoinOptions(CJoinNullHandlingBehavior null_handling,
c_string null_replacement)
CJoinNullHandlingBehavior null_handling
c_string null_replacement
cdef cppclass CMatchSubstringOptions \
"arrow::compute::MatchSubstringOptions"(CFunctionOptions):
CMatchSubstringOptions(c_string pattern, c_bool ignore_case)
c_string pattern
c_bool ignore_case
cdef cppclass CTrimOptions \
"arrow::compute::TrimOptions"(CFunctionOptions):
CTrimOptions(c_string characters)
c_string characters
cdef cppclass CPadOptions \
"arrow::compute::PadOptions"(CFunctionOptions):
CPadOptions(int64_t width, c_string padding)
int64_t width
c_string padding
cdef cppclass CSliceOptions \
"arrow::compute::SliceOptions"(CFunctionOptions):
CSliceOptions(int64_t start, int64_t stop, int64_t step)
int64_t start
int64_t stop
int64_t step
cdef cppclass CListSliceOptions \
"arrow::compute::ListSliceOptions"(CFunctionOptions):
CListSliceOptions(int64_t start, optional[int64_t] stop,
int64_t step,
optional[c_bool] return_fixed_size_list)
int64_t start
optional[int64_t] stop
int64_t step
optional[c_bool] return_fixed_size_list
cdef cppclass CSplitOptions \
"arrow::compute::SplitOptions"(CFunctionOptions):
CSplitOptions(int64_t max_splits, c_bool reverse)
int64_t max_splits
c_bool reverse
cdef cppclass CSplitPatternOptions \
"arrow::compute::SplitPatternOptions"(CFunctionOptions):
CSplitPatternOptions(c_string pattern, int64_t max_splits,
c_bool reverse)
int64_t max_splits
c_bool reverse
c_string pattern
cdef cppclass CReplaceSliceOptions \
"arrow::compute::ReplaceSliceOptions"(CFunctionOptions):
CReplaceSliceOptions(int64_t start, int64_t stop, c_string replacement)
int64_t start
int64_t stop
c_string replacement
cdef cppclass CReplaceSubstringOptions \
"arrow::compute::ReplaceSubstringOptions"(CFunctionOptions):
CReplaceSubstringOptions(c_string pattern, c_string replacement,
int64_t max_replacements)
c_string pattern
c_string replacement
int64_t max_replacements
cdef cppclass CExtractRegexOptions \
"arrow::compute::ExtractRegexOptions"(CFunctionOptions):
CExtractRegexOptions(c_string pattern)
c_string pattern
cdef cppclass CCastOptions" arrow::compute::CastOptions"(CFunctionOptions):
CCastOptions()
CCastOptions(c_bool safe)
CCastOptions(CCastOptions&& options)
@staticmethod
CCastOptions Safe()
@staticmethod
CCastOptions Unsafe()
shared_ptr[CDataType] to_type
c_bool allow_int_overflow
c_bool allow_time_truncate
c_bool allow_time_overflow
c_bool allow_decimal_truncate
c_bool allow_float_truncate
c_bool allow_invalid_utf8
cdef enum CFilterNullSelectionBehavior \
"arrow::compute::FilterOptions::NullSelectionBehavior":
CFilterNullSelectionBehavior_DROP \
"arrow::compute::FilterOptions::DROP"
CFilterNullSelectionBehavior_EMIT_NULL \
"arrow::compute::FilterOptions::EMIT_NULL"
cdef cppclass CFilterOptions \
" arrow::compute::FilterOptions"(CFunctionOptions):
CFilterOptions()
CFilterOptions(CFilterNullSelectionBehavior null_selection_behavior)
CFilterNullSelectionBehavior null_selection_behavior
cdef enum CDictionaryEncodeNullEncodingBehavior \
"arrow::compute::DictionaryEncodeOptions::NullEncodingBehavior":
CDictionaryEncodeNullEncodingBehavior_ENCODE \
"arrow::compute::DictionaryEncodeOptions::ENCODE"
CDictionaryEncodeNullEncodingBehavior_MASK \
"arrow::compute::DictionaryEncodeOptions::MASK"
cdef cppclass CDictionaryEncodeOptions \
"arrow::compute::DictionaryEncodeOptions"(CFunctionOptions):
CDictionaryEncodeOptions(
CDictionaryEncodeNullEncodingBehavior null_encoding)
CDictionaryEncodeNullEncodingBehavior null_encoding
cdef cppclass CTakeOptions \
" arrow::compute::TakeOptions"(CFunctionOptions):
CTakeOptions(c_bool boundscheck)
c_bool boundscheck
cdef cppclass CStrptimeOptions \
"arrow::compute::StrptimeOptions"(CFunctionOptions):
CStrptimeOptions(c_string format, TimeUnit unit, c_bool raise_error)
c_string format
TimeUnit unit
c_bool raise_error
cdef cppclass CStrftimeOptions \
"arrow::compute::StrftimeOptions"(CFunctionOptions):
CStrftimeOptions(c_string format, c_string locale)
c_string format
c_string locale
cdef cppclass CDayOfWeekOptions \
"arrow::compute::DayOfWeekOptions"(CFunctionOptions):
CDayOfWeekOptions(c_bool count_from_zero, uint32_t week_start)
c_bool count_from_zero
uint32_t week_start
cdef enum CAssumeTimezoneAmbiguous \
"arrow::compute::AssumeTimezoneOptions::Ambiguous":
CAssumeTimezoneAmbiguous_AMBIGUOUS_RAISE \
"arrow::compute::AssumeTimezoneOptions::AMBIGUOUS_RAISE"
CAssumeTimezoneAmbiguous_AMBIGUOUS_EARLIEST \
"arrow::compute::AssumeTimezoneOptions::AMBIGUOUS_EARLIEST"
CAssumeTimezoneAmbiguous_AMBIGUOUS_LATEST \
"arrow::compute::AssumeTimezoneOptions::AMBIGUOUS_LATEST"
cdef enum CAssumeTimezoneNonexistent \
"arrow::compute::AssumeTimezoneOptions::Nonexistent":
CAssumeTimezoneNonexistent_NONEXISTENT_RAISE \
"arrow::compute::AssumeTimezoneOptions::NONEXISTENT_RAISE"
CAssumeTimezoneNonexistent_NONEXISTENT_EARLIEST \
"arrow::compute::AssumeTimezoneOptions::NONEXISTENT_EARLIEST"
CAssumeTimezoneNonexistent_NONEXISTENT_LATEST \
"arrow::compute::AssumeTimezoneOptions::NONEXISTENT_LATEST"
cdef cppclass CAssumeTimezoneOptions \
"arrow::compute::AssumeTimezoneOptions"(CFunctionOptions):
CAssumeTimezoneOptions(c_string timezone,
CAssumeTimezoneAmbiguous ambiguous,
CAssumeTimezoneNonexistent nonexistent)
c_string timezone
CAssumeTimezoneAmbiguous ambiguous
CAssumeTimezoneNonexistent nonexistent
cdef cppclass CWeekOptions \
"arrow::compute::WeekOptions"(CFunctionOptions):
CWeekOptions(c_bool week_starts_monday, c_bool count_from_zero,
c_bool first_week_is_fully_in_year)
c_bool week_starts_monday
c_bool count_from_zero
c_bool first_week_is_fully_in_year
cdef cppclass CNullOptions \
"arrow::compute::NullOptions"(CFunctionOptions):
CNullOptions(c_bool nan_is_null)
c_bool nan_is_null
cdef cppclass CVarianceOptions \
"arrow::compute::VarianceOptions"(CFunctionOptions):
CVarianceOptions(int ddof, c_bool skip_nulls, uint32_t min_count)
int ddof
c_bool skip_nulls
uint32_t min_count
cdef cppclass CScalarAggregateOptions \
"arrow::compute::ScalarAggregateOptions"(CFunctionOptions):
CScalarAggregateOptions(c_bool skip_nulls, uint32_t min_count)
c_bool skip_nulls
uint32_t min_count
cdef enum CCountMode "arrow::compute::CountOptions::CountMode":
CCountMode_ONLY_VALID "arrow::compute::CountOptions::ONLY_VALID"
CCountMode_ONLY_NULL "arrow::compute::CountOptions::ONLY_NULL"
CCountMode_ALL "arrow::compute::CountOptions::ALL"
cdef cppclass CCountOptions \
"arrow::compute::CountOptions"(CFunctionOptions):
CCountOptions(CCountMode mode)
CCountMode mode
cdef cppclass CModeOptions \
"arrow::compute::ModeOptions"(CFunctionOptions):
CModeOptions(int64_t n, c_bool skip_nulls, uint32_t min_count)
int64_t n
c_bool skip_nulls
uint32_t min_count
cdef cppclass CIndexOptions \
"arrow::compute::IndexOptions"(CFunctionOptions):
CIndexOptions(shared_ptr[CScalar] value)
shared_ptr[CScalar] value
cdef enum CMapLookupOccurrence \
"arrow::compute::MapLookupOptions::Occurrence":
CMapLookupOccurrence_ALL "arrow::compute::MapLookupOptions::ALL"
CMapLookupOccurrence_FIRST "arrow::compute::MapLookupOptions::FIRST"
CMapLookupOccurrence_LAST "arrow::compute::MapLookupOptions::LAST"
cdef cppclass CMapLookupOptions \
"arrow::compute::MapLookupOptions"(CFunctionOptions):
CMapLookupOptions(shared_ptr[CScalar] query_key,
CMapLookupOccurrence occurrence)
CMapLookupOccurrence occurrence
shared_ptr[CScalar] query_key
cdef cppclass CMakeStructOptions \
"arrow::compute::MakeStructOptions"(CFunctionOptions):
CMakeStructOptions(vector[c_string] n,
vector[c_bool] r,
vector[shared_ptr[const CKeyValueMetadata]] m)
CMakeStructOptions(vector[c_string] n)
vector[c_string] field_names
vector[c_bool] field_nullability
vector[shared_ptr[const CKeyValueMetadata]] field_metadata
cdef cppclass CStructFieldOptions \
"arrow::compute::StructFieldOptions"(CFunctionOptions):
CStructFieldOptions(vector[int] indices)
CStructFieldOptions(CFieldRef field_ref)
vector[int] indices
CFieldRef field_ref
ctypedef enum CSortOrder" arrow::compute::SortOrder":
CSortOrder_Ascending \
"arrow::compute::SortOrder::Ascending"
CSortOrder_Descending \
"arrow::compute::SortOrder::Descending"
ctypedef enum CNullPlacement" arrow::compute::NullPlacement":
CNullPlacement_AtStart \
"arrow::compute::NullPlacement::AtStart"
CNullPlacement_AtEnd \
"arrow::compute::NullPlacement::AtEnd"
cdef cppclass CPartitionNthOptions \
"arrow::compute::PartitionNthOptions"(CFunctionOptions):
CPartitionNthOptions(int64_t pivot, CNullPlacement)
int64_t pivot
CNullPlacement null_placement
cdef cppclass CCumulativeSumOptions \
"arrow::compute::CumulativeSumOptions"(CFunctionOptions):
CCumulativeSumOptions(shared_ptr[CScalar] start, c_bool skip_nulls)
shared_ptr[CScalar] start
c_bool skip_nulls
cdef cppclass CArraySortOptions \
"arrow::compute::ArraySortOptions"(CFunctionOptions):
CArraySortOptions(CSortOrder, CNullPlacement)
CSortOrder order
CNullPlacement null_placement
cdef cppclass CSortKey" arrow::compute::SortKey":
CSortKey(c_string name, CSortOrder order)
c_string name
CSortOrder order
cdef cppclass CSortOptions \
"arrow::compute::SortOptions"(CFunctionOptions):
CSortOptions(vector[CSortKey] sort_keys, CNullPlacement)
vector[CSortKey] sort_keys
CNullPlacement null_placement
cdef cppclass CSelectKOptions \
"arrow::compute::SelectKOptions"(CFunctionOptions):
CSelectKOptions(int64_t k, vector[CSortKey] sort_keys)
int64_t k
vector[CSortKey] sort_keys
cdef enum CQuantileInterp \
"arrow::compute::QuantileOptions::Interpolation":
CQuantileInterp_LINEAR "arrow::compute::QuantileOptions::LINEAR"
CQuantileInterp_LOWER "arrow::compute::QuantileOptions::LOWER"
CQuantileInterp_HIGHER "arrow::compute::QuantileOptions::HIGHER"
CQuantileInterp_NEAREST "arrow::compute::QuantileOptions::NEAREST"
CQuantileInterp_MIDPOINT "arrow::compute::QuantileOptions::MIDPOINT"
cdef cppclass CQuantileOptions \
"arrow::compute::QuantileOptions"(CFunctionOptions):
CQuantileOptions(vector[double] q, CQuantileInterp interpolation,
c_bool skip_nulls, uint32_t min_count)
vector[double] q
CQuantileInterp interpolation
c_bool skip_nulls
uint32_t min_count
cdef cppclass CTDigestOptions \
"arrow::compute::TDigestOptions"(CFunctionOptions):
CTDigestOptions(vector[double] q,
uint32_t delta, uint32_t buffer_size,
c_bool skip_nulls, uint32_t min_count)
vector[double] q
uint32_t delta
uint32_t buffer_size
c_bool skip_nulls
uint32_t min_count
cdef enum CUtf8NormalizeForm \
"arrow::compute::Utf8NormalizeOptions::Form":
CUtf8NormalizeForm_NFC "arrow::compute::Utf8NormalizeOptions::NFC"
CUtf8NormalizeForm_NFKC "arrow::compute::Utf8NormalizeOptions::NFKC"
CUtf8NormalizeForm_NFD "arrow::compute::Utf8NormalizeOptions::NFD"
CUtf8NormalizeForm_NFKD "arrow::compute::Utf8NormalizeOptions::NFKD"
cdef cppclass CUtf8NormalizeOptions \
"arrow::compute::Utf8NormalizeOptions"(CFunctionOptions):
CUtf8NormalizeOptions(CUtf8NormalizeForm form)
CUtf8NormalizeForm form
cdef cppclass CSetLookupOptions \
"arrow::compute::SetLookupOptions"(CFunctionOptions):
CSetLookupOptions(CDatum value_set, c_bool skip_nulls)
CDatum value_set
c_bool skip_nulls
cdef cppclass CRandomOptions \
"arrow::compute::RandomOptions"(CFunctionOptions):
CRandomOptions(CRandomOptions)
@staticmethod
CRandomOptions FromSystemRandom()
@staticmethod
CRandomOptions FromSeed(uint64_t seed)
cdef enum CRankOptionsTiebreaker \
"arrow::compute::RankOptions::Tiebreaker":
CRankOptionsTiebreaker_Min "arrow::compute::RankOptions::Min"
CRankOptionsTiebreaker_Max "arrow::compute::RankOptions::Max"
CRankOptionsTiebreaker_First "arrow::compute::RankOptions::First"
CRankOptionsTiebreaker_Dense "arrow::compute::RankOptions::Dense"
cdef cppclass CRankOptions \
"arrow::compute::RankOptions"(CFunctionOptions):
CRankOptions(vector[CSortKey] sort_keys, CNullPlacement,
CRankOptionsTiebreaker tiebreaker)
vector[CSortKey] sort_keys
CNullPlacement null_placement
CRankOptionsTiebreaker tiebreaker
cdef enum DatumType" arrow::Datum::type":
DatumType_NONE" arrow::Datum::NONE"
DatumType_SCALAR" arrow::Datum::SCALAR"
DatumType_ARRAY" arrow::Datum::ARRAY"
DatumType_CHUNKED_ARRAY" arrow::Datum::CHUNKED_ARRAY"
DatumType_RECORD_BATCH" arrow::Datum::RECORD_BATCH"
DatumType_TABLE" arrow::Datum::TABLE"
DatumType_COLLECTION" arrow::Datum::COLLECTION"
cdef cppclass CDatum" arrow::Datum":
CDatum()
CDatum(const shared_ptr[CArray]& value)
CDatum(const shared_ptr[CChunkedArray]& value)
CDatum(const shared_ptr[CScalar]& value)
CDatum(const shared_ptr[CRecordBatch]& value)
CDatum(const shared_ptr[CTable]& value)
DatumType kind() const
c_string ToString() const
const shared_ptr[CArrayData]& array() const
const shared_ptr[CChunkedArray]& chunked_array() const
const shared_ptr[CRecordBatch]& record_batch() const
const shared_ptr[CTable]& table() const
const shared_ptr[CScalar]& scalar() const
cdef c_string ToString(DatumType kind)
cdef extern from * namespace "arrow::compute":
# inlined from compute/function_internal.h to avoid exposing
# implementation details
"""
#include "arrow/compute/function.h"
namespace arrow {
namespace compute {
namespace internal {
Result<std::unique_ptr<FunctionOptions>> DeserializeFunctionOptions(
const Buffer& buffer);
} // namespace internal
} // namespace compute
} // namespace arrow
"""
CResult[unique_ptr[CFunctionOptions]] DeserializeFunctionOptions \
" arrow::compute::internal::DeserializeFunctionOptions"(
const CBuffer& buffer)
cdef extern from "arrow/compute/exec/aggregate.h" namespace \
"arrow::compute::internal" nogil:
cdef cppclass CAggregate "arrow::compute::Aggregate":
c_string function
shared_ptr[CFunctionOptions] options
CResult[CDatum] GroupBy(const vector[CDatum]& arguments,
const vector[CDatum]& keys,
const vector[CAggregate]& aggregates)
cdef extern from * namespace "arrow::compute":
# inlined from expression_internal.h to avoid
# proliferation of #include <unordered_map>
"""
#include <unordered_map>
#include "arrow/type.h"
#include "arrow/datum.h"
namespace arrow {
namespace compute {
struct KnownFieldValues {
std::unordered_map<FieldRef, Datum, FieldRef::Hash> map;
};
} // namespace compute
} // namespace arrow
"""
cdef struct CKnownFieldValues "arrow::compute::KnownFieldValues":
unordered_map[CFieldRef, CDatum, CFieldRefHash] map
cdef extern from "arrow/compute/exec/expression.h" \
namespace "arrow::compute" nogil:
cdef cppclass CExpression "arrow::compute::Expression":
c_bool Equals(const CExpression& other) const
c_string ToString() const
CResult[CExpression] Bind(const CSchema&)
const CFieldRef* field_ref() const
cdef CExpression CMakeScalarExpression \
"arrow::compute::literal"(shared_ptr[CScalar] value)
cdef CExpression CMakeFieldExpression \
"arrow::compute::field_ref"(CFieldRef)
cdef CExpression CMakeFieldExpressionByIndex \
"arrow::compute::field_ref"(int idx)
cdef CExpression CMakeCallExpression \
"arrow::compute::call"(c_string function,
vector[CExpression] arguments,
shared_ptr[CFunctionOptions] options)
cdef CResult[shared_ptr[CBuffer]] CSerializeExpression \
"arrow::compute::Serialize"(const CExpression&)
cdef CResult[CExpression] CDeserializeExpression \
"arrow::compute::Deserialize"(shared_ptr[CBuffer])
cdef CResult[CKnownFieldValues] \
CExtractKnownFieldValues "arrow::compute::ExtractKnownFieldValues"(
const CExpression& partition_expression)
cdef extern from "arrow/compute/exec/options.h" namespace "arrow::compute" nogil:
cdef enum CJoinType "arrow::compute::JoinType":
CJoinType_LEFT_SEMI "arrow::compute::JoinType::LEFT_SEMI"
CJoinType_RIGHT_SEMI "arrow::compute::JoinType::RIGHT_SEMI"
CJoinType_LEFT_ANTI "arrow::compute::JoinType::LEFT_ANTI"
CJoinType_RIGHT_ANTI "arrow::compute::JoinType::RIGHT_ANTI"
CJoinType_INNER "arrow::compute::JoinType::INNER"
CJoinType_LEFT_OUTER "arrow::compute::JoinType::LEFT_OUTER"
CJoinType_RIGHT_OUTER "arrow::compute::JoinType::RIGHT_OUTER"
CJoinType_FULL_OUTER "arrow::compute::JoinType::FULL_OUTER"
cdef cppclass CAsyncExecBatchGenerator "arrow::compute::AsyncExecBatchGenerator":
pass
cdef cppclass CExecNodeOptions "arrow::compute::ExecNodeOptions":
pass
cdef cppclass CSourceNodeOptions "arrow::compute::SourceNodeOptions"(CExecNodeOptions):
pass
cdef cppclass CTableSourceNodeOptions "arrow::compute::TableSourceNodeOptions"(CExecNodeOptions):
CTableSourceNodeOptions(shared_ptr[CTable] table, int64_t max_batch_size)
cdef cppclass CSinkNodeOptions "arrow::compute::SinkNodeOptions"(CExecNodeOptions):
pass
cdef cppclass CFilterNodeOptions "arrow::compute::FilterNodeOptions"(CExecNodeOptions):
CFilterNodeOptions(CExpression)
cdef cppclass CProjectNodeOptions "arrow::compute::ProjectNodeOptions"(CExecNodeOptions):
CProjectNodeOptions(vector[CExpression] expressions)
CProjectNodeOptions(vector[CExpression] expressions,
vector[c_string] names)
cdef cppclass COrderBySinkNodeOptions "arrow::compute::OrderBySinkNodeOptions"(CExecNodeOptions):
COrderBySinkNodeOptions(vector[CSortOptions] options,
CAsyncExecBatchGenerator generator)
cdef cppclass CHashJoinNodeOptions "arrow::compute::HashJoinNodeOptions"(CExecNodeOptions):
CHashJoinNodeOptions(CJoinType, vector[CFieldRef] in_left_keys,
vector[CFieldRef] in_right_keys)
CHashJoinNodeOptions(CJoinType, vector[CFieldRef] in_left_keys,
vector[CFieldRef] in_right_keys,
CExpression filter,
c_string output_suffix_for_left,
c_string output_suffix_for_right)
CHashJoinNodeOptions(CJoinType join_type,
vector[CFieldRef] left_keys,
vector[CFieldRef] right_keys,
vector[CFieldRef] left_output,
vector[CFieldRef] right_output,
CExpression filter,
c_string output_suffix_for_left,
c_string output_suffix_for_right)
cdef extern from "arrow/compute/exec/exec_plan.h" namespace "arrow::compute" nogil:
cdef cppclass CDeclaration "arrow::compute::Declaration":
cppclass Input:
Input(CExecNode*)
Input(CDeclaration)
c_string label
vector[Input] inputs
CDeclaration()
CDeclaration(c_string factory_name, CExecNodeOptions options)
CDeclaration(c_string factory_name, vector[Input] inputs, shared_ptr[CExecNodeOptions] options)
@staticmethod
CDeclaration Sequence(vector[CDeclaration] decls)
CResult[CExecNode*] AddToPlan(CExecPlan* plan) const
cdef cppclass CExecPlan "arrow::compute::ExecPlan":
@staticmethod
CResult[shared_ptr[CExecPlan]] Make(CExecContext* exec_context)
CStatus StartProducing()
CStatus Validate()
CStatus StopProducing()
CFuture_Void finished()
vector[CExecNode*] sinks() const
vector[CExecNode*] sources() const
cdef cppclass CExecNode "arrow::compute::ExecNode":
const vector[CExecNode*]& inputs() const
const shared_ptr[CSchema]& output_schema() const
cdef cppclass CExecBatch "arrow::compute::ExecBatch":
vector[CDatum] values
int64_t length
shared_ptr[CRecordBatchReader] MakeGeneratorReader(
shared_ptr[CSchema] schema,
CAsyncExecBatchGenerator gen,
CMemoryPool* memory_pool
)
CResult[CExecNode*] MakeExecNode(c_string factory_name, CExecPlan* plan,
vector[CExecNode*] inputs,
const CExecNodeOptions& options)
cdef extern from "arrow/extension_type.h" namespace "arrow":
cdef cppclass CExtensionTypeRegistry" arrow::ExtensionTypeRegistry":
@staticmethod
shared_ptr[CExtensionTypeRegistry] GetGlobalRegistry()
cdef cppclass CExtensionType" arrow::ExtensionType"(CDataType):
c_string extension_name()
shared_ptr[CDataType] storage_type()
@staticmethod
shared_ptr[CArray] WrapArray(shared_ptr[CDataType] ext_type,
shared_ptr[CArray] storage)
@staticmethod
shared_ptr[CChunkedArray] WrapArray(shared_ptr[CDataType] ext_type,
shared_ptr[CChunkedArray] storage)
cdef cppclass CExtensionArray" arrow::ExtensionArray"(CArray):
CExtensionArray(shared_ptr[CDataType], shared_ptr[CArray] storage)
shared_ptr[CArray] storage()
cdef extern from "arrow/util/compression.h" namespace "arrow" nogil:
cdef enum CCompressionType" arrow::Compression::type":
CCompressionType_UNCOMPRESSED" arrow::Compression::UNCOMPRESSED"
CCompressionType_SNAPPY" arrow::Compression::SNAPPY"
CCompressionType_GZIP" arrow::Compression::GZIP"
CCompressionType_BROTLI" arrow::Compression::BROTLI"
CCompressionType_ZSTD" arrow::Compression::ZSTD"
CCompressionType_LZ4" arrow::Compression::LZ4"
CCompressionType_LZ4_FRAME" arrow::Compression::LZ4_FRAME"
CCompressionType_BZ2" arrow::Compression::BZ2"
cdef cppclass CCodec" arrow::util::Codec":
@staticmethod
CResult[unique_ptr[CCodec]] Create(CCompressionType codec)
@staticmethod
CResult[unique_ptr[CCodec]] CreateWithLevel" Create"(
CCompressionType codec,
int compression_level)
@staticmethod
c_bool SupportsCompressionLevel(CCompressionType codec)
@staticmethod
CResult[int] MinimumCompressionLevel(CCompressionType codec)
@staticmethod
CResult[int] MaximumCompressionLevel(CCompressionType codec)
@staticmethod
CResult[int] DefaultCompressionLevel(CCompressionType codec)
@staticmethod
c_bool IsAvailable(CCompressionType codec)
CResult[int64_t] Decompress(int64_t input_len, const uint8_t* input,
int64_t output_len,
uint8_t* output_buffer)
CResult[int64_t] Compress(int64_t input_len, const uint8_t* input,
int64_t output_buffer_len,
uint8_t* output_buffer)
c_string name() const
int compression_level() const
int64_t MaxCompressedLen(int64_t input_len, const uint8_t* input)
cdef extern from "arrow/util/io_util.h" namespace "arrow::internal" nogil:
int ErrnoFromStatus(CStatus status)
int WinErrorFromStatus(CStatus status)
int SignalFromStatus(CStatus status)
CStatus SendSignal(int signum)
CStatus SendSignalToThread(int signum, uint64_t thread_id)
cdef extern from "arrow/util/iterator.h" namespace "arrow" nogil:
cdef cppclass CIterator" arrow::Iterator"[T]:
CResult[T] Next()
CStatus Visit[Visitor](Visitor&& visitor)
cppclass RangeIterator:
CResult[T] operator*()
RangeIterator& operator++()
c_bool operator!=(RangeIterator) const
RangeIterator begin()
RangeIterator end()
CIterator[T] MakeVectorIterator[T](vector[T] v)
cdef extern from "arrow/util/thread_pool.h" namespace "arrow" nogil:
int GetCpuThreadPoolCapacity()
CStatus SetCpuThreadPoolCapacity(int threads)
cdef extern from "arrow/array/concatenate.h" namespace "arrow" nogil:
CResult[shared_ptr[CArray]] Concatenate(
const vector[shared_ptr[CArray]]& arrays,
CMemoryPool* pool)
cdef extern from "arrow/c/abi.h":
cdef struct ArrowSchema:
pass
cdef struct ArrowArray:
pass
cdef struct ArrowArrayStream:
pass
cdef extern from "arrow/c/bridge.h" namespace "arrow" nogil:
CStatus ExportType(CDataType&, ArrowSchema* out)
CResult[shared_ptr[CDataType]] ImportType(ArrowSchema*)
CStatus ExportField(CField&, ArrowSchema* out)
CResult[shared_ptr[CField]] ImportField(ArrowSchema*)
CStatus ExportSchema(CSchema&, ArrowSchema* out)
CResult[shared_ptr[CSchema]] ImportSchema(ArrowSchema*)
CStatus ExportArray(CArray&, ArrowArray* out)
CStatus ExportArray(CArray&, ArrowArray* out, ArrowSchema* out_schema)
CResult[shared_ptr[CArray]] ImportArray(ArrowArray*,
shared_ptr[CDataType])
CResult[shared_ptr[CArray]] ImportArray(ArrowArray*, ArrowSchema*)
CStatus ExportRecordBatch(CRecordBatch&, ArrowArray* out)
CStatus ExportRecordBatch(CRecordBatch&, ArrowArray* out,
ArrowSchema* out_schema)
CResult[shared_ptr[CRecordBatch]] ImportRecordBatch(ArrowArray*,
shared_ptr[CSchema])
CResult[shared_ptr[CRecordBatch]] ImportRecordBatch(ArrowArray*,
ArrowSchema*)
CStatus ExportRecordBatchReader(shared_ptr[CRecordBatchReader],
ArrowArrayStream*)
CResult[shared_ptr[CRecordBatchReader]] ImportRecordBatchReader(
ArrowArrayStream*)
cdef extern from "arrow/util/byte_size.h" namespace "arrow::util" nogil:
CResult[int64_t] ReferencedBufferSize(const CArray& array_data)
CResult[int64_t] ReferencedBufferSize(const CRecordBatch& record_batch)
CResult[int64_t] ReferencedBufferSize(const CChunkedArray& chunked_array)
CResult[int64_t] ReferencedBufferSize(const CTable& table)
int64_t TotalBufferSize(const CArray& array)
int64_t TotalBufferSize(const CChunkedArray& array)
int64_t TotalBufferSize(const CRecordBatch& record_batch)
int64_t TotalBufferSize(const CTable& table)
ctypedef PyObject* CallbackUdf(object user_function, const CScalarUdfContext& context, object inputs)
cdef extern from "arrow/python/udf.h" namespace "arrow::py":
cdef cppclass CScalarUdfContext" arrow::py::ScalarUdfContext":
CMemoryPool *pool
int64_t batch_length
cdef cppclass CScalarUdfOptions" arrow::py::ScalarUdfOptions":
c_string func_name
CArity arity
CFunctionDoc func_doc
vector[shared_ptr[CDataType]] input_types
shared_ptr[CDataType] output_type
CStatus RegisterScalarFunction(PyObject* function,
function[CallbackUdf] wrapper, const CScalarUdfOptions& options)
