| 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_array_length(jsonArray) |
Returns the number of elements in the outmost JSON array. |
| json_object_keys(json_object) |
Returns all the keys of the outmost JSON object as an array. |
| 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 |