COALESCE - Amazon Glue DataBrew
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COALESCE

Returns in a new column the first non-null value found in the array of columns. The order of the columns listed in the function determines the order in which they're searched.

Parameters

  • sourceColumns – A JSON-encoded string representing list of existing columns.

  • targetColumn – The name of the new column to be created.

Example

{
    "RecipeAction": {
        "Operation": "COALESCE",
        "Parameters": {
            "sourceColumns": "[\"nation_position\",\"joined\"]",
            "targetColumn": "COALESCE Column 1"
        }
    }
}