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CSV_Write

Node​

Node Description​

Writes 1 table from data lake to CSV

Retrieves one or more tables from Ganymede data lake, which the user-defined function processes to a single table. The table returned by the user-defined function is saved in the Ganymede data lake.

Node Attributes​

  • output_csv_filename
    • name of output CSV file

User-Defined Python​

Process table(s) resulting from user-defined SQL query into CSV file

Parameters​

  • df_sql_result : pd.DataFrame | list[pd.DataFrame]
    • Table(s) or list of tables retrieved from user-defined SQL query
  • ganymede_context : GanymedeContext
    • Ganymede context variable, which stores flow run metadata

Returns​

NodeReturn Object containing data to store in data lake and/or file storage.