[Feature Request]: Enable Avro GenericRecord as a valid type for BigQuery StorageWrite API ingestion #24329
Description
What would you like to happen?
When using AVRO GenericRecord as the transport object in their pipelines, users need to configure the use of Beam schemas in the BigQueryIO to transform their data into Beam Rows first, or provide a format function to transform into TableRow, to then have their data formatted as DynamicMessage protos for BQ StorageWrite to work.
By using GenericRecord as the input type for the PCollection, Beam should be able to translate the input into StorageWrite proto payload to save non-needed format transformations (to BeamRow or to TableRow before becoming proto), potentially improving performance and saving some CPU cycles.
Issue Priority
Priority: 2
Issue Component
Component: io-java-gcp