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https://issues.apache.org/jira/browse/BEAM-12482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17440063#comment-17440063
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Beam JIRA Bot commented on BEAM-12482:
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This issue is assigned but has not received an update in 30 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> 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
> Assignee: Christopher Cornwell
> Priority: P2
> Labels: stale-assigned
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> `withSchemaUpdateOptions` is only supported with WRITE_APPEND or
> WRITE_TRUNCATE with paritioned table. This is noted in the documentation:
> [https://github.com/apache/beam/blob/master/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryIO.java#L1965]
> 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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