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https://issues.apache.org/jira/browse/BEAM-9613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17091720#comment-17091720
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Reuven Lax commented on BEAM-9613:
----------------------------------
A simple fix for the bug experienced here would be for the conversion function
to call toString on the object before processing it.
> BigQuery IO not support convert double type for beam row
> --------------------------------------------------------
>
> Key: BEAM-9613
> URL: https://issues.apache.org/jira/browse/BEAM-9613
> Project: Beam
> Issue Type: Bug
> Components: io-java-gcp
> Reporter: MAKSIM TSYGAN
> Priority: Major
>
> If execute query with double column via BigQueryIO.readFrom(), I get
> exception:
> Caused by: java.lang.UnsupportedOperationException: Converting BigQuery type
> 'class java.lang.Double' to 'FieldType\{typeName=DOUBLE, nullable=true,
> logicalType=null, collectionElementType=null, mapKeyType=null,
> mapValueType=null, rowSchema=null, metadata={}}' is not supported
> at
> org.apache.beam.sdk.io.gcp.bigquery.BigQueryUtils.toBeamValue(BigQueryUtils.java:532)
> at
> org.apache.beam.sdk.io.gcp.bigquery.BigQueryUtils.toBeamRowFieldValue(BigQueryUtils.java:483)
> at
> org.apache.beam.sdk.io.gcp.bigquery.BigQueryUtils.lambda$toBeamRow$6(BigQueryUtils.java:469)
> at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:566)
> at
> org.apache.beam.sdk.io.gcp.bigquery.BigQueryUtils.toBeamRow(BigQueryUtils.java:470)
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