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Comment: Published by Scroll Versions from space DEV and version r077

D toc

This section contains information on the fie formats and compression schemes that are supported for input to and output of 

D s product
rtrue

Info

NOTE: To work with formats that are proprietary to a desktop application, such as Microsoft Excel, you do not need the supporting application installed on your desktop.

Filenames

Info

NOTE: Filenames that include special characters can cause problems during import or when publishing to a file-based datastore.

Forbidden characters in import filenames:

Tip

Tip: This list may not be complete for all available running environments.

  • General:

    Code Block
    "/"
  • Photon web client: 

    Code Block
    "\"

  • Spark:

    Code Block
    "{", "*", "\"

Native Input File Formats

D s product
rtrue
 can read and import directly these file formats:

  • Excel (XLS/XLSX)

    Tip

    Tip: You may import multiple worksheets from a single workbook at one time. See Import Excel Data in the User Guide.

  • PDF

  • CSV
  • JSON, including nested

    Info

    NOTE:

    D s product
    requires that JSON files be submitted with one valid JSON object per line. Consistently malformed JSON objects or objects that overlap linebreaks might cause import to fail. See Initial Parsing Steps in the User Guide

  • Plain Text
  • LOG
  • TSV
  • Parquet

    Info

    NOTE: When working with datasets sourced from Parquet files, lineage information and the $sourcerownumber reference are not supported.

For more information on data is handled initially, see Initial Parsing Steps in the User Guide.

Native Output File Formats

D s product
 can write to these file formats:

  • CSV
  • JSON


  • Tableau Hyper

    Info

    NOTE: Publication of results in Hyper format may require additional configuration. See below.

  • Tableau TDE

    Info

    NOTE: TDE has been superseded by the Hyper format. Please switch to using Hyper format. TDE will be deprecated in a future release.

  • Avro

  • Parquet

Compression Algorithms


Read Native File Formats


 GZIPBZIPSnappy
CSV SupportedSupportedSupported
JSONSupportedSupportedSupported
Avro  Supported

Write Native File Formats


 GZIPBZIPSnappy
CSVSupportedSupportedSupported
JSONSupportedSupportedSupported
Avro  Supported; always on