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Parquet Reader

StreamableDeprecatedKNIME BigData File Format Extension version 4.3.1.v202101261633 by KNIME AG, Zurich, Switzerland

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


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.

Best Friends (Incoming)

Best Friends (Outgoing)



To use this node in KNIME, install KNIME Extension for Big Data File Formats from the following update site:


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

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