Examples

Data frame

Description

Extract data from Parquet files. Parquet is a columnar storage format optimized for analytical workloads, offering efficient compression and fast read performance for large datasets.

Documentation

Parquet Adapter
Parquet Library

Code

<?php

declare(strict_types=1);

use function Flow\ETL\Adapter\Parquet\from_parquet;
use function Flow\ETL\DSL\{data_frame, to_output};

require __DIR__ . '/vendor/autoload.php';

data_frame()
    ->read(from_parquet(
        __DIR__ . '/input/dataset.parquet',
    ))
    ->collect()
    ->write(to_output(truncate: false))
    ->run();

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