getJsonFields
Extract field names from JSON object.
Extract field names from a JSON object. Returns a concatenated comma-separated field list ordered in ascending order.
Usage Details
select getJsonFields(fieldname) from table
Example
Input
table
| json_data |
|---|
| {"a": "v", "b": "c"} |
| {"a": {"b": "c"}} |
select *, getJsonFields(json_data) as a jsonFields from table
Output
| json_data | jsonFields |
|---|---|
| {"a": "v", "b": "c"} | a , b |
| {"a": {"b": "c"}} | a |
Updated about 1 year ago