RustedBones opened a new issue, #33531:
URL: https://github.com/apache/beam/issues/33531

   ### What happened?
   
   When working with a BQ table with a column named 'f', construction of a 
`TableRow` object fails with
   ```
   java.lang.IllegalArgumentException: Can not set java.util.List field 
com.google.api.services.bigquery.model.TableRow.f to java.lang.String
   ```
   
   This happens because `TableRow` is a `GenericJson` and has a [key 
field](https://github.com/googleapis/google-api-java-client-services/blob/ac015ce38a6494496191ed8a590d98ca58c75919/clients/google-api-services-bigquery/v2/2.0.0/com/google/api/services/bigquery/model/TableRow.java#L37)
 named `f` expecting a `List<TableCell>`.
   
   
   When reading the javadoc for `TableRow`, it seems to me that this model is 
supposed to represent a BQ resultset in the form
   ```json
   {
     "f": [{"v":  1}, {"v": "value"}]
   }
   ```
   
   beam abuses the `GenericJson` capability and relies on the unknown fields to 
encode the result in the form
   ```json
   {
      "column1": 1,
      "column2": "value"
   }
   ```
   
   ### Issue Priority
   
   Priority: 2 (default / most bugs should be filed as P2)
   
   ### Issue Components
   
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