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fix: Update SchemaAwareStreamWriter comment to down recommend it. #2195

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Jul 20, 2023
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,13 @@
* StreamWriter functions, but also provides an additional feature: schema update support, where if
* the BigQuery table schema is updated, users will be able to ingest data on the new schema after
* some time (in order of minutes).
*
* <p>NOTE: The schema update ability will be disabled when you pass in a table schema explicitly
* through the writer. It is recommended that user either use JsonStreamWriter (which fully manages
* table schema) or StreamWriter (which accepts proto format in raw and user will handle the schema
* update event themsevles). If you use this class, you need to be very cautious about possible
* mistmach between the writer's schema and the input data, any mismatch of the two will cause data
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* corruption.
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*/
public class SchemaAwareStreamWriter<T> implements AutoCloseable {
private static final Logger LOG = Logger.getLogger(SchemaAwareStreamWriter.class.getName());
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