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.

Popular Predecessors

Popular Successors

Views

This node has no views

Workflows

Further Links

No further links available

Developers

You want to see the source code for this node? Click the following button and we’ll use our super-powers to find it for you.

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:

v4.4

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

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 4.4.0.v202106140932

On NodePit since: 2021-07-02

Last update: 2021-08-24

Tags: StreamableDeprecated