Parquet data page header V1 (parquet.thrift fields 1-5). More...

#include <types.hpp>

Public Member Functions
	DataPageHeader ()=default

void	serialize (CompactEncoder &enc) const

expected< void >	deserialize (CompactDecoder &dec)

Public Attributes
int32_t	num_values = 0
	Number of values (field 1, required).

Encoding	encoding = Encoding::PLAIN
	Data encoding (field 2, required).

Encoding	definition_level_encoding = Encoding::RLE
	Def level encoding (field 3, required).

Encoding	repetition_level_encoding = Encoding::RLE
	Rep level encoding (field 4, required).

std::optional< Statistics >	statistics
	Page statistics (field 5, optional).

Detailed Description

Parquet data page header V1 (parquet.thrift fields 1-5).

Fields 1-4 are required. Field 5 (statistics) is optional, added per parquet-format 2.9.0. Required-field enforcement: fields 1-4 must all be present.

Definition at line 674 of file types.hpp.

Constructor & Destructor Documentation

◆ DataPageHeader()

signet::forge::thrift::DataPageHeader::DataPageHeader ( )

default

Member Function Documentation

◆ deserialize()

expected< void > signet::forge::thrift::DataPageHeader::deserialize ( CompactDecoder & dec )

inline

Definition at line 701 of file types.hpp.

◆ serialize()

void signet::forge::thrift::DataPageHeader::serialize ( CompactEncoder & enc ) const

inline

Definition at line 683 of file types.hpp.

Member Data Documentation

◆ definition_level_encoding

Encoding signet::forge::thrift::DataPageHeader::definition_level_encoding = Encoding::RLE

Def level encoding (field 3, required).

Definition at line 677 of file types.hpp.

◆ encoding

Encoding signet::forge::thrift::DataPageHeader::encoding = Encoding::PLAIN

Data encoding (field 2, required).

Definition at line 676 of file types.hpp.

◆ num_values

int32_t signet::forge::thrift::DataPageHeader::num_values = 0

Number of values (field 1, required).

Definition at line 675 of file types.hpp.

◆ repetition_level_encoding

Encoding signet::forge::thrift::DataPageHeader::repetition_level_encoding = Encoding::RLE

Rep level encoding (field 4, required).

Definition at line 678 of file types.hpp.

◆ statistics

std::optional<Statistics> signet::forge::thrift::DataPageHeader::statistics

Page statistics (field 5, optional).

Definition at line 679 of file types.hpp.

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

include/signet/thrift/types.hpp

Public Member Functions

Public Attributes