Changing column size

zeno_11 Registered Posts: 15 ✭✭✭✭

While creating a table, DSS i think reads from a sample data size and builds the DDL on the fly. This creates a problem when there is data from larger datasets with more length than the maximum in the sample. Is there a way to change(increase) the column length and propagate the schema changes downstream?



  • Alexandru
    Alexandru Dataiker, Dataiku DSS Core Designer, Dataiku DSS ML Practitioner, Dataiku DSS Adv Designer, Registered Posts: 1,209 Dataiker

    Hi @zeno_11

    You can change the size of the column from the dataset settings - schema - choose column and JSON and change the max length. This will propagate downstream if other datasets are created after the change. The "propagate schema" feature does not currently propagate the change to max length.

    If the datasets already exist, you can either edit manually, with the API or recreate the recipes/datasets.

    Screenshot 2022-01-10 at 10.08.01.png

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