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Posted to issues@beam.apache.org by "Kenneth Knowles (Jira)" <ji...@apache.org> on 2021/05/05 16:48:00 UTC
[jira] [Assigned] (BEAM-10021) BigQueryUtils DATETIME conversion
requires unix millis
[ https://issues.apache.org/jira/browse/BEAM-10021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kenneth Knowles reassigned BEAM-10021:
--------------------------------------
Assignee: Chamikara Madhusanka Jayalath (was: Robin Qiu)
> BigQueryUtils DATETIME conversion requires unix millis
> ------------------------------------------------------
>
> Key: BEAM-10021
> URL: https://issues.apache.org/jira/browse/BEAM-10021
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Ben Birt
> Assignee: Chamikara Madhusanka Jayalath
> Priority: P3
>
> I'm trying to run a very simple GCP Dataflow SQL job (copy all columns from table A to B), and it's failing with the following exception:
> {code:java}
> Caused by: java.lang.ClassCastException: org.apache.avro.util.Utf8 cannot be cast to java.lang.Longat org.apache.beam.sdk.io.gcp.bigquery.BigQueryUtils.truncateToMillis (BigQueryUtils.java:643)at org.apache.beam.sdk.io.gcp.bigquery.BigQueryUtils.convertAvroFormat (BigQueryUtils.java:597)at org.apache.beam.sdk.io.gcp.bigquery.BigQueryUtils.lambda$toBeamRow$5 (BigQueryUtils.java:389)
> {code}
> It looks to me like this is because BigQueryUtils.convertAvroFormat expects that any value whose (beam) type is "DATETIME" must be expressed in unix millis. However, these values come out of BigQuery as a string, (AFAICT) in ISO 8601 format.
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