Siyuan Chen created BEAM-12482:
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Summary: BigQueryIO failed to load data to temp table when
withSchemaUpdateOptions is set.
Key: BEAM-12482
URL: https://issues.apache.org/jira/browse/BEAM-12482
Project: Beam
Issue Type: Bug
Components: io-java-gcp
Reporter: Siyuan Chen
withSchemaUpdateOptions is only supported with WRITE_APPEND or WRITE_TRUNCATE
with paritioned table. When the temp files are spilt to multiple load jobs, the
write disposition is set to WRITE_TRUNCATE for the temporary tables in favor of
retries.
[https://github.com/apache/beam/blob/a8a8b3ab1292ff408940ba4430c95bc754341589/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/WriteTables.java#L219]
And the loading would fail with error
"Schema update options should only be specified with WRITE_APPEND disposition,
or with WRITE_TRUNCATE disposition on a table partition."
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