map_reduce_mr_map
Extract specific fields from JSON arrays and apply transformations like upper, lower, strip, len, bool, str, int, float, abs, or not to process data efficiently.
Instructions
[map_reduce] Extract a field from every item in a JSON array. Optional transform: upper, lower, strip, len, bool, str, int, float, abs, not.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| data | Yes | ||
| field | Yes | ||
| transform | No |