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If you used Presto within Spaces prior to the release of Trino then this article outlines the changes in user experience you will experience as you migrate to Trino.

Change Items : 

  • In the Exchange and Spaces UIs, the ‘Presto’ tool will be renamed ‘Trino’

  • The new ‘Trino’ Spaces tool will have the logo shown here : 

  • The HUE editor that allows access to the Data Product, Collaborate and Publish databases will be renamed ‘Spaces’ compared to ‘PrestoSQL’ in the current state

  • In Superset SQLLab Trino will be provisioned as the ‘Spaces’ database, compared to ‘Fast Spaces Metastore’ in the current state

    • In pre-existing Spaces the ‘Fast Spaces Metastore’ will initially be maintained for compatibility, but may be removed in a later release

  • The underlying Trino catalog that supports these connections will be called ‘spaces’ rather than ‘hive’, such that fully qualified table names in queries would change as : 

    • ‘hive.collaborate_db.output_table1’ (Presto) → becomes → ‘spaces.collaborate_db.output_table1’ (Trino)

  • Within JupyterLab notebooks, PyHive connections should be updated with the following lines (all subsequent python actions remain the same): 

    • from pyhive import trino

    • conn = trino.Connection(host=”localhost”, port = 8060)

  • Within RStudio, the RPresto package should continue to be used with the following line added to the DBI::dbConnect() connection : 

    • use.trino.headers = True