Parquet Reader

StreamableKNIME BigData File Format Extension version 3.7.0.v201812021522 by KNIME AG, Zurich, Switzerland

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.

Best Friends (Outgoing)

• Sorter (50 %) Manipulator
• String Manipulation (50 %) ManipulatorStreamable

Installation

To use this node in KNIME, install KNIME BigData File Format Extension from the following update site: