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functions.php

Functions

from_parquet()

from_parquet(Path|string $path[, array<string|int, string> $columns = [] ][, Options $options = new Options() ][, ByteOrder $byte_order = ByteOrder::LITTLE_ENDIAN ][, null|int $offset = null ]) : ParquetExtractor

Parameters

$path : Path|string

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

• list of columns to read from parquet file - @deprecated use withColumns method instead

$options : Options = new Options()

• @deprecated use withOptions method instead

$byte_order : ByteOrder = ByteOrder::LITTLE_ENDIAN

• @deprecated use withByteOrder method instead

$offset : null|int = null

• @deprecated use withOffset method instead

Return values

ParquetExtractor

to_parquet()

to_parquet(Path|string $path[, null|Options $options = null ][, Compressions $compressions = Compressions::SNAPPY ][, null|Schema $schema = null ]) : ParquetLoader

Parameters

$path : Path|string

$options : null|Options = null

• @deprecated use withOptions method instead

$compressions : Compressions = Compressions::SNAPPY

• @deprecated use withCompressions method instead

$schema : null|Schema = null

• @deprecated use withSchema method instead

Return values

ParquetLoader

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  • to_parquet()