| Function | Description |
|---|---|
| from_json(jsonStr, schema[, options]) | Returns a struct value with the given `jsonStr` and `schema`. |
| get_json_object(json_txt, path) | Extracts a json object from `path`. |
| json_tuple(jsonStr, p1, p2, ..., pn) | Returns a tuple like the function get_json_object, but it takes multiple names. All the input parameters and output column types are string. |
| schema_of_json(json[, options]) | Returns schema in the DDL format of JSON string. |
| to_json(expr[, options]) | Returns a JSON string with a given struct value |