Parquet Reader

This Node Is Deprecated — This version of the node has been replaced with a new and improved version. The old version is kept for backwards-compatibility, but for all new workflows we suggest to use the version linked below.

Reader for Parquet files. It reads either single files or all files in a given directory.

Options

Input: The file or directory to read.

Input Type Mapping

Change the Parquet to KNIME type mapping configuration for subsequent nodes by selecting a KNIME type to the given Parquet Type. The dialog allows you to add new or change existing type mapping rules.

Mapping by Name: Columns that match the given name (or regular expression) and Parquet type will be mapped to the specified KNIME type.
Mapping by Type: Columns that match the given Parquet type will be mapped to the specified KNIME type.

Input Ports

: Optional port for a remote connection.

Output Ports

: Data table containing the data of the Parquet file.

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Installation

To use this node in KNIME, install the extension KNIME Extension for Big Data File Formats from the below update site following our NodePit Product and Node Installation Guide:

v5.3

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.3.3.v202410291553

On NodePit since: 2024-07-09

Last update: 2024-11-15

Tags: StreamableDeprecated

KNIME versions: Since v3.6

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