site/docs/3.0.1/generated-json-funcs-table.html

<table class="table">
  <thead>
    <tr>
      <th style="width:25%">Function</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>from_json(jsonStr, schema[, options])</td>
      <td>Returns a struct value with the given `jsonStr` and `schema`.</td>
    </tr>
    <tr>
      <td>get_json_object(json_txt, path)</td>
      <td>Extracts a json object from `path`.</td>
    </tr>
    <tr>
      <td>json_tuple(jsonStr, p1, p2, ..., pn)</td>
      <td>Returns a tuple like the function get_json_object, but it takes multiple names. All the input parameters and output column types are string.</td>
    </tr>
    <tr>
      <td>schema_of_json(json[, options])</td>
      <td>Returns schema in the DDL format of JSON string.</td>
    </tr>
    <tr>
      <td>to_json(expr[, options])</td>
      <td>Returns a JSON string with a given struct value</td>
    </tr>
  </tbody>
</table>