Flow PHP

ParquetFile

FinalYes

Constants

PARQUET_MAGIC_NUMBER = 'PAR1'

Methods

__construct() : mixed
__destruct() : mixed
metadata() : Metadata
pageHeaders() : Generator<string|int, ColumnPageHeader>
readChunks() : Generator
schema() : Schema
values() : Generator<int, array<string, mixed>>

PARQUET_MAGIC_NUMBER


    public
        mixed
    PARQUET_MAGIC_NUMBER
    = 'PAR1'

__construct()


    public
                    __construct(SourceStream $stream, ByteOrder $byteOrder, DataConverter $dataConverter, Options $options) : mixed

Parameters

$stream : SourceStream
$byteOrder : ByteOrder
$dataConverter : DataConverter
$options : Options

__destruct()


    public
                    __destruct() : mixed

metadata()


    public
                    metadata() : Metadata

Return values

Metadata

pageHeaders()


    public
                    pageHeaders() : Generator<string|int, ColumnPageHeader>

Return values

Generator<string|int, ColumnPageHeader>

readChunks()


    public
                    readChunks(FlatColumn $column[, int|null $limit = null ][, int|null $offset = null ]) : Generator

Parameters

$column : FlatColumn
$limit : int|null = null
$offset : int|null = null

Return values

Generator

schema()


    public
                    schema() : Schema

Return values

Schema

values()


    public
                    values([array<string|int, string> $columns = [] ][, int|null $limit = null ][, int|null $offset = null ]) : Generator<int, array<string, mixed>>

Parameters

$columns : array<string|int, string> = []
$limit : int|null = null
$offset : int|null = null

Return values

Generator<int, array<string, mixed>>