Export to Parquet File

The Export to Parquet File task allows users to export datasets or other data structures to a Parquet file.

The Export to Parquet File task is divided into two tabs:

• the Options Tab,

• the Export Options Tab.

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The Options tab

A detailed description of the Options tab is provided in the Export tasks introductory page.

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The Export Options tab

The Export Options tab contains the Dataset structure pane only.

Dataset structure

In this pane, only one option is available:

• Text delimiter: select from the drop-down list the symbol used to identify strings, which will included in the exported file(e.g. selecting the symbol “, the string age will be exported as “age”).

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Example

• Drag an Export to Parquet task onto the stage and link it to the task containing the data to export.

• Double-click the task to open it and configure it as follows:

  • Select Dataset as the Data to be exported.

  • Select Store file as the Export mode.

  • Select the Destination type: in this case, we decided to use a Custom destination, the Local File System.

  • Choose the path of the folder where the file will be stored by clicking on the SELECT button.

  • Write the File basename in the corresponding field.

  • In the Export Options tab, select “ as the Text delimiter.

• Save and compute the task.