panbingkun commented on PR #48106:
URL: https://github.com/apache/spark/pull/48106#issuecomment-2350869423
After it:
- generated-table-funcs-table.html
```html
<table class="table">
<thead>
<tr>
<th style="width:25%">Function</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>range(start[, end[, step[, numSlices]]]) / range(end)</td>
<td>Returns a table of values within a specified range.</td>
</tr>
</tbody>
</table>
```
- generated-variant-funcs-table.html
```html
<table class="table">
<thead>
<tr>
<th style="width:25%">Function</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>is_variant_null(expr)</td>
<td>Check if a variant value is a variant null. Returns true if and
only if the input is a variant null and false otherwise (including in the case
of SQL NULL).</td>
</tr>
<tr>
<td>parse_json(jsonStr)</td>
<td>Parse a JSON string as a Variant value. Throw an exception when
the string is not valid JSON value.</td>
</tr>
<tr>
<td>schema_of_variant(v)</td>
<td>Returns schema in the SQL format of a variant.</td>
</tr>
<tr>
<td>schema_of_variant_agg(v)</td>
<td>Returns the merged schema in the SQL format of a variant
column.</td>
</tr>
<tr>
<td>to_variant_object(expr)</td>
<td>Convert a nested input (array/map/struct) into a variant where
maps and structs are converted to variant objects which are unordered unlike
SQL structs. Input maps can only have string keys.</td>
</tr>
<tr>
<td>try_parse_json(jsonStr)</td>
<td>Parse a JSON string as a Variant value. Return NULL when the
string is not valid JSON value.</td>
</tr>
<tr>
<td>try_variant_get(v, path[, type])</td>
<td>Extracts a sub-variant from `v` according to `path`, and then cast
the sub-variant to `type`. When `type` is omitted, it is default to `variant`.
Returns null if the path does not exist or the cast fails.</td>
</tr>
<tr>
<td>variant_explode(expr)</td>
<td>It separates a variant object/array into multiple rows containing
its fields/elements. Its result schema is `struct<pos int, key string, value
variant>`. `pos` is the position of the field/element in its parent
object/array, and `value` is the field/element value. `key` is the field name
when exploding a variant object, or is NULL when exploding a variant array. It
ignores any input that is not a variant array/object, including SQL NULL,
variant null, and any other variant values.</td>
</tr>
<tr>
<td>variant_explode_outer(expr)</td>
<td>It separates a variant object/array into multiple rows containing
its fields/elements. Its result schema is `struct<pos int, key string, value
variant>`. `pos` is the position of the field/element in its parent
object/array, and `value` is the field/element value. `key` is the field name
when exploding a variant object, or is NULL when exploding a variant array. It
ignores any input that is not a variant array/object, including SQL NULL,
variant null, and any other variant values.</td>
</tr>
<tr>
<td>variant_get(v, path[, type])</td>
<td>Extracts a sub-variant from `v` according to `path`, and then cast
the sub-variant to `type`. When `type` is omitted, it is default to `variant`.
Returns null if the path does not exist. Throws an exception if the cast
fails.</td>
</tr>
</tbody>
</table>
```
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