# 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++
# cython: language_level = 3
from pyarrow.includes.common cimport *
from pyarrow.includes.libarrow cimport (CChunkedArray, CScalar, CSchema, CStatus,
CTable, CMemoryPool, CBuffer,
CKeyValueMetadata, CRandomAccessFile,
COutputStream, CCacheOptions,
TimeUnit, CRecordBatchReader)
from pyarrow.lib cimport _Weakrefable
cdef extern from "parquet/api/schema.h" namespace "parquet::schema" nogil:
cdef cppclass Node:
pass
cdef cppclass GroupNode(Node):
pass
cdef cppclass PrimitiveNode(Node):
pass
cdef cppclass ColumnPath:
c_string ToDotString()
vector[c_string] ToDotVector()
cdef extern from "parquet/api/schema.h" namespace "parquet" nogil:
enum ParquetType" parquet::Type::type":
ParquetType_BOOLEAN" parquet::Type::BOOLEAN"
ParquetType_INT32" parquet::Type::INT32"
ParquetType_INT64" parquet::Type::INT64"
ParquetType_INT96" parquet::Type::INT96"
ParquetType_FLOAT" parquet::Type::FLOAT"
ParquetType_DOUBLE" parquet::Type::DOUBLE"
ParquetType_BYTE_ARRAY" parquet::Type::BYTE_ARRAY"
ParquetType_FIXED_LEN_BYTE_ARRAY" parquet::Type::FIXED_LEN_BYTE_ARRAY"
enum ParquetLogicalTypeId" parquet::LogicalType::Type::type":
ParquetLogicalType_UNDEFINED" parquet::LogicalType::Type::UNDEFINED"
ParquetLogicalType_STRING" parquet::LogicalType::Type::STRING"
ParquetLogicalType_MAP" parquet::LogicalType::Type::MAP"
ParquetLogicalType_LIST" parquet::LogicalType::Type::LIST"
ParquetLogicalType_ENUM" parquet::LogicalType::Type::ENUM"
ParquetLogicalType_DECIMAL" parquet::LogicalType::Type::DECIMAL"
ParquetLogicalType_DATE" parquet::LogicalType::Type::DATE"
ParquetLogicalType_TIME" parquet::LogicalType::Type::TIME"
ParquetLogicalType_TIMESTAMP" parquet::LogicalType::Type::TIMESTAMP"
ParquetLogicalType_INT" parquet::LogicalType::Type::INT"
ParquetLogicalType_JSON" parquet::LogicalType::Type::JSON"
ParquetLogicalType_BSON" parquet::LogicalType::Type::BSON"
ParquetLogicalType_UUID" parquet::LogicalType::Type::UUID"
ParquetLogicalType_NONE" parquet::LogicalType::Type::NONE"
enum ParquetTimeUnit" parquet::LogicalType::TimeUnit::unit":
ParquetTimeUnit_UNKNOWN" parquet::LogicalType::TimeUnit::UNKNOWN"
ParquetTimeUnit_MILLIS" parquet::LogicalType::TimeUnit::MILLIS"
ParquetTimeUnit_MICROS" parquet::LogicalType::TimeUnit::MICROS"
ParquetTimeUnit_NANOS" parquet::LogicalType::TimeUnit::NANOS"
enum ParquetConvertedType" parquet::ConvertedType::type":
ParquetConvertedType_NONE" parquet::ConvertedType::NONE"
ParquetConvertedType_UTF8" parquet::ConvertedType::UTF8"
ParquetConvertedType_MAP" parquet::ConvertedType::MAP"
ParquetConvertedType_MAP_KEY_VALUE \
" parquet::ConvertedType::MAP_KEY_VALUE"
ParquetConvertedType_LIST" parquet::ConvertedType::LIST"
ParquetConvertedType_ENUM" parquet::ConvertedType::ENUM"
ParquetConvertedType_DECIMAL" parquet::ConvertedType::DECIMAL"
ParquetConvertedType_DATE" parquet::ConvertedType::DATE"
ParquetConvertedType_TIME_MILLIS" parquet::ConvertedType::TIME_MILLIS"
ParquetConvertedType_TIME_MICROS" parquet::ConvertedType::TIME_MICROS"
ParquetConvertedType_TIMESTAMP_MILLIS \
" parquet::ConvertedType::TIMESTAMP_MILLIS"
ParquetConvertedType_TIMESTAMP_MICROS \
" parquet::ConvertedType::TIMESTAMP_MICROS"
ParquetConvertedType_UINT_8" parquet::ConvertedType::UINT_8"
ParquetConvertedType_UINT_16" parquet::ConvertedType::UINT_16"
ParquetConvertedType_UINT_32" parquet::ConvertedType::UINT_32"
ParquetConvertedType_UINT_64" parquet::ConvertedType::UINT_64"
ParquetConvertedType_INT_8" parquet::ConvertedType::INT_8"
ParquetConvertedType_INT_16" parquet::ConvertedType::INT_16"
ParquetConvertedType_INT_32" parquet::ConvertedType::INT_32"
ParquetConvertedType_INT_64" parquet::ConvertedType::INT_64"
ParquetConvertedType_JSON" parquet::ConvertedType::JSON"
ParquetConvertedType_BSON" parquet::ConvertedType::BSON"
ParquetConvertedType_INTERVAL" parquet::ConvertedType::INTERVAL"
enum ParquetRepetition" parquet::Repetition::type":
ParquetRepetition_REQUIRED" parquet::REPETITION::REQUIRED"
ParquetRepetition_OPTIONAL" parquet::REPETITION::OPTIONAL"
ParquetRepetition_REPEATED" parquet::REPETITION::REPEATED"
enum ParquetEncoding" parquet::Encoding::type":
ParquetEncoding_PLAIN" parquet::Encoding::PLAIN"
ParquetEncoding_PLAIN_DICTIONARY" parquet::Encoding::PLAIN_DICTIONARY"
ParquetEncoding_RLE" parquet::Encoding::RLE"
ParquetEncoding_BIT_PACKED" parquet::Encoding::BIT_PACKED"
ParquetEncoding_DELTA_BINARY_PACKED \
" parquet::Encoding::DELTA_BINARY_PACKED"
ParquetEncoding_DELTA_LENGTH_BYTE_ARRAY \
" parquet::Encoding::DELTA_LENGTH_BYTE_ARRAY"
ParquetEncoding_DELTA_BYTE_ARRAY" parquet::Encoding::DELTA_BYTE_ARRAY"
ParquetEncoding_RLE_DICTIONARY" parquet::Encoding::RLE_DICTIONARY"
ParquetEncoding_BYTE_STREAM_SPLIT \
" parquet::Encoding::BYTE_STREAM_SPLIT"
enum ParquetCompression" parquet::Compression::type":
ParquetCompression_UNCOMPRESSED" parquet::Compression::UNCOMPRESSED"
ParquetCompression_SNAPPY" parquet::Compression::SNAPPY"
ParquetCompression_GZIP" parquet::Compression::GZIP"
ParquetCompression_LZO" parquet::Compression::LZO"
ParquetCompression_BROTLI" parquet::Compression::BROTLI"
ParquetCompression_LZ4" parquet::Compression::LZ4"
ParquetCompression_ZSTD" parquet::Compression::ZSTD"
enum ParquetVersion" parquet::ParquetVersion::type":
ParquetVersion_V1" parquet::ParquetVersion::PARQUET_1_0"
ParquetVersion_V2_0" parquet::ParquetVersion::PARQUET_2_0"
ParquetVersion_V2_4" parquet::ParquetVersion::PARQUET_2_4"
ParquetVersion_V2_6" parquet::ParquetVersion::PARQUET_2_6"
enum ParquetSortOrder" parquet::SortOrder::type":
ParquetSortOrder_SIGNED" parquet::SortOrder::SIGNED"
ParquetSortOrder_UNSIGNED" parquet::SortOrder::UNSIGNED"
ParquetSortOrder_UNKNOWN" parquet::SortOrder::UNKNOWN"
cdef cppclass CParquetLogicalType" parquet::LogicalType":
c_string ToString() const
c_string ToJSON() const
ParquetLogicalTypeId type() const
cdef cppclass CParquetDecimalType \
" parquet::DecimalLogicalType"(CParquetLogicalType):
int32_t precision() const
int32_t scale() const
cdef cppclass CParquetIntType \
" parquet::IntLogicalType"(CParquetLogicalType):
int bit_width() const
c_bool is_signed() const
cdef cppclass CParquetTimeType \
" parquet::TimeLogicalType"(CParquetLogicalType):
c_bool is_adjusted_to_utc() const
ParquetTimeUnit time_unit() const
cdef cppclass CParquetTimestampType \
" parquet::TimestampLogicalType"(CParquetLogicalType):
c_bool is_adjusted_to_utc() const
ParquetTimeUnit time_unit() const
cdef cppclass ColumnDescriptor" parquet::ColumnDescriptor":
c_bool Equals(const ColumnDescriptor& other)
shared_ptr[ColumnPath] path()
int16_t max_definition_level()
int16_t max_repetition_level()
ParquetType physical_type()
const shared_ptr[const CParquetLogicalType]& logical_type()
ParquetConvertedType converted_type()
const c_string& name()
int type_length()
int type_precision()
int type_scale()
cdef cppclass SchemaDescriptor:
const ColumnDescriptor* Column(int i)
shared_ptr[Node] schema()
GroupNode* group()
c_bool Equals(const SchemaDescriptor& other)
c_string ToString()
int num_columns()
cdef c_string FormatStatValue(ParquetType parquet_type, c_string val)
enum ParquetCipher" parquet::ParquetCipher::type":
ParquetCipher_AES_GCM_V1" parquet::ParquetCipher::AES_GCM_V1"
ParquetCipher_AES_GCM_CTR_V1" parquet::ParquetCipher::AES_GCM_CTR_V1"
struct AadMetadata:
c_string aad_prefix
c_string aad_file_unique
c_bool supply_aad_prefix
struct EncryptionAlgorithm:
ParquetCipher algorithm
AadMetadata aad
cdef extern from "parquet/api/reader.h" namespace "parquet" nogil:
cdef cppclass ColumnReader:
pass
cdef cppclass BoolReader(ColumnReader):
pass
cdef cppclass Int32Reader(ColumnReader):
pass
cdef cppclass Int64Reader(ColumnReader):
pass
cdef cppclass Int96Reader(ColumnReader):
pass
cdef cppclass FloatReader(ColumnReader):
pass
cdef cppclass DoubleReader(ColumnReader):
pass
cdef cppclass ByteArrayReader(ColumnReader):
pass
cdef cppclass RowGroupReader:
pass
cdef cppclass CEncodedStatistics" parquet::EncodedStatistics":
const c_string& max() const
const c_string& min() const
int64_t null_count
int64_t distinct_count
bint has_min
bint has_max
bint has_null_count
bint has_distinct_count
cdef cppclass ParquetByteArray" parquet::ByteArray":
uint32_t len
const uint8_t* ptr
cdef cppclass ParquetFLBA" parquet::FLBA":
const uint8_t* ptr
cdef cppclass CStatistics" parquet::Statistics":
int64_t null_count() const
int64_t distinct_count() const
int64_t num_values() const
bint HasMinMax()
bint HasNullCount()
bint HasDistinctCount()
c_bool Equals(const CStatistics&) const
void Reset()
c_string EncodeMin()
c_string EncodeMax()
CEncodedStatistics Encode()
void SetComparator()
ParquetType physical_type() const
const ColumnDescriptor* descr() const
cdef cppclass CBoolStatistics" parquet::BoolStatistics"(CStatistics):
c_bool min()
c_bool max()
cdef cppclass CInt32Statistics" parquet::Int32Statistics"(CStatistics):
int32_t min()
int32_t max()
cdef cppclass CInt64Statistics" parquet::Int64Statistics"(CStatistics):
int64_t min()
int64_t max()
cdef cppclass CFloatStatistics" parquet::FloatStatistics"(CStatistics):
float min()
float max()
cdef cppclass CDoubleStatistics" parquet::DoubleStatistics"(CStatistics):
double min()
double max()
cdef cppclass CByteArrayStatistics \
" parquet::ByteArrayStatistics"(CStatistics):
ParquetByteArray min()
ParquetByteArray max()
cdef cppclass CFLBAStatistics" parquet::FLBAStatistics"(CStatistics):
ParquetFLBA min()
ParquetFLBA max()
cdef cppclass CColumnCryptoMetaData" parquet::ColumnCryptoMetaData":
shared_ptr[ColumnPath] path_in_schema() const
c_bool encrypted_with_footer_key() const
const c_string& key_metadata() const
cdef cppclass ParquetIndexLocation" parquet::IndexLocation":
int64_t offset
int32_t length
cdef cppclass CColumnChunkMetaData" parquet::ColumnChunkMetaData":
int64_t file_offset() const
const c_string& file_path() const
c_bool is_metadata_set() const
ParquetType type() const
int64_t num_values() const
shared_ptr[ColumnPath] path_in_schema() const
bint is_stats_set() const
shared_ptr[CStatistics] statistics() const
ParquetCompression compression() const
const vector[ParquetEncoding]& encodings() const
c_bool Equals(const CColumnChunkMetaData&) const
int64_t has_dictionary_page() const
int64_t dictionary_page_offset() const
int64_t data_page_offset() const
int64_t index_page_offset() const
int64_t total_compressed_size() const
int64_t total_uncompressed_size() const
unique_ptr[CColumnCryptoMetaData] crypto_metadata() const
optional[ParquetIndexLocation] GetColumnIndexLocation() const
optional[ParquetIndexLocation] GetOffsetIndexLocation() const
struct CSortingColumn" parquet::SortingColumn":
int column_idx
c_bool descending
c_bool nulls_first
cdef cppclass CRowGroupMetaData" parquet::RowGroupMetaData":
c_bool Equals(const CRowGroupMetaData&) const
int num_columns() const
int64_t num_rows() const
int64_t total_byte_size() const
vector[CSortingColumn] sorting_columns() const
unique_ptr[CColumnChunkMetaData] ColumnChunk(int i) const
cdef cppclass CFileMetaData" parquet::FileMetaData":
c_bool Equals(const CFileMetaData&) const
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