Flatten & Explode
- Sparkflows
- Jun 20, 2022
- 1 min read
Updated: Aug 22, 2022
Sparkflows provides the Flatten & Explode nodes to extract the columns from complex data types like struct type & array type.
Flatten: Creates the single columns from struct.
Explode: Explode an array columns to rows.
Nodes in fire:
NodeFlatten and NodeExplode
Example Data

Schema

Explode the Topping Column
Explode the array of topping column into rows with new column as explode_topping

Flatten the batters and explode_topping

Final Output
After dropping the few columns

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