Data Import
Parquet Key-Value Metadata
The `parquet_kv_metadata` function can be used to query custom metadata defined as key-value pairs:  
```sql
SELECT *
FROM parquet_kv_metadata('test.parquet');
```  
Below is a table of the columns returned by `parquet_kv_metadata`.  
<div class="narrow_table monospace_table"></div>  
| Field     | Type    |
| --------- | ------- |
| file_name | VARCHAR |
| key       | BLOB    |
| value     | BLOB    |