Parquet column statistics (parquet.thrift fields 1-6). More...

#include <types.hpp>

Public Member Functions
	Statistics ()=default

void	serialize (CompactEncoder &enc) const

expected< void >	deserialize (CompactDecoder &dec)

Public Attributes
std::optional< std::string >	max
	Old-style max (field 1, deprecated).

std::optional< std::string >	min
	Old-style min (field 2, deprecated).

std::optional< int64_t >	null_count
	Number of null values (field 3).

std::optional< int64_t >	distinct_count
	Approximate distinct count (field 4).

std::optional< std::string >	max_value
	New-style max value (field 5, preferred).

std::optional< std::string >	min_value
	New-style min value (field 6, preferred).

Detailed Description

Parquet column statistics (parquet.thrift fields 1-6).

Fields 1-2 are the legacy min/max (sort-order dependent, deprecated). Fields 5-6 are the new-style min_value/max_value (preferred).

Definition at line 369 of file types.hpp.

Constructor & Destructor Documentation

◆ Statistics()

signet::forge::thrift::Statistics::Statistics ( )

default

Member Function Documentation

◆ deserialize()

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

inline

Definition at line 409 of file types.hpp.

◆ serialize()

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

inline

Definition at line 379 of file types.hpp.

Member Data Documentation

◆ distinct_count

std::optional<int64_t> signet::forge::thrift::Statistics::distinct_count

Approximate distinct count (field 4).

Definition at line 373 of file types.hpp.

◆ max

std::optional<std::string> signet::forge::thrift::Statistics::max

Old-style max (field 1, deprecated).

Definition at line 370 of file types.hpp.

◆ max_value

std::optional<std::string> signet::forge::thrift::Statistics::max_value

New-style max value (field 5, preferred).

Definition at line 374 of file types.hpp.

◆ min

std::optional<std::string> signet::forge::thrift::Statistics::min

Old-style min (field 2, deprecated).

Definition at line 371 of file types.hpp.

◆ min_value

std::optional<std::string> signet::forge::thrift::Statistics::min_value

New-style min value (field 6, preferred).

Definition at line 375 of file types.hpp.

◆ null_count

std::optional<int64_t> signet::forge::thrift::Statistics::null_count

Number of null values (field 3).

Definition at line 372 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