BigQuery Storage Write API: JsonStreamWriter doesn't support _CHANGE_TYPE pseudocolumn

[Idane]

Environment details

1. OS type and version: MacOS
2. Java version: 17
3. version(s): 3.9.3

Steps to reproduce

1. Attempt to pass _CHANGE_TYPE value on your JSONRecord

Code example

Full code example: https://cloud.google.com/bigquery/docs/write-api-streaming

    JSONObject record = new JSONObject();
    record.put("id", String.valueOf(j));
    record.put("name", "example");
    record.put("_CHANGE_TYPE", "UPSERT");

Stack trace

Saw unknown field error during proto message conversin within error messages{0=The source object has fields unknown to BigQuery: root._CHANGE_TYPE., 1=The source object has fields unknown to BigQuery: root

External references such as API reference guides

• https://cloud.google.com/bigquery/docs/write-api-streaming
• https://cloud.google.com/bigquery/docs/change-data-capture - CDC docs

Any additional information below

Using the normal StreamWriter with a proto payload works for this.

[Idane]

Saw this, closing! https://github.com/googleapis/java-bigquerystorage/blob/main/samples/snippets/src/main/java/com/example/bigquerystorage/JsonWriterStreamCdc.java