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https://issues.apache.org/jira/browse/BEAM-8897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17382227#comment-17382227
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Beam JIRA Bot commented on BEAM-8897:
-------------------------------------
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.
> JdbcIO.readRows issue when type is Numeric
> ------------------------------------------
>
> Key: BEAM-8897
> URL: https://issues.apache.org/jira/browse/BEAM-8897
> Project: Beam
> Issue Type: Bug
> Components: io-java-jdbc
> Affects Versions: 2.16.0
> Environment: Java 8
> Reporter: Mark Gates
> Assignee: Vitaly Terentyev
> Priority: P3
> Labels: stale-assigned
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The actual use case is such that I am connecting to Oracle via JDBC making
> the query: "select 1 from dual". If I try this on real data with a Number
> type column the same issue occurs.
> The number type results in an exception. Example:
> {code:java}
> PCollection<Row> row = p.apply(
> JdbcIO.readRows()
>
> .withDataSourceProviderFn(JdbcIO.PoolableDataSourceProvider.of(configuration))
> .withQuery("select 1 as t1 from dual")
> .withFetchSize(10000)
> .withOutputParallelization(true));
> row.apply(ParDo.of(new DoFn<Row, Row>() {
> @ProcessElement
> public void processElement(@Element Row row, OutputReceiver<Row> out,
> ProcessContext pc) {
> System.out.println(row.getSchema().toString() + " : " +
> row.toString());
> out.output(row);
> }
> }));
> p.run().waitUntilFinish();
> {code}
> Exception:
> Exception in thread "main"
> org.apache.beam.sdk.Pipeline$PipelineExecutionException:
> java.lang.IllegalArgumentException
> at
> org.apache.beam.runners.direct.DirectRunner$DirectPipelineResult.waitUntilFinish(DirectRunner.java:348)
> at
> org.apache.beam.runners.direct.DirectRunner$DirectPipelineResult.waitUntilFinish(DirectRunner.java:318)
> at
> org.apache.beam.runners.direct.DirectRunner.run(DirectRunner.java:213)
> at org.apache.beam.runners.direct.DirectRunner.run(DirectRunner.java:67)
> at org.apache.beam.sdk.Pipeline.run(Pipeline.java:315)
> at org.apache.beam.sdk.Pipeline.run(Pipeline.java:301)
> at SimpleJdbc.main(SimpleJdbc.java:45)
> Caused by: java.lang.IllegalArgumentException
> at
> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Preconditions.checkArgument(Preconditions.java:127)
> at
> org.apache.beam.sdk.io.jdbc.LogicalTypes$FixedPrecisionNumeric.toInputType(LogicalTypes.java:237)
> at
> org.apache.beam.sdk.io.jdbc.LogicalTypes$FixedPrecisionNumeric.toInputType(LogicalTypes.java:221)
> at
> org.apache.beam.sdk.io.jdbc.SchemaUtil.lambda$createLogicalTypeExtractor$ca0ab2ec$1(SchemaUtil.java:272)
> at
> org.apache.beam.sdk.io.jdbc.SchemaUtil$BeamRowMapper.mapRow(SchemaUtil.java:337)
> at
> org.apache.beam.sdk.io.jdbc.SchemaUtil$BeamRowMapper.mapRow(SchemaUtil.java:315)
> at
> org.apache.beam.sdk.io.jdbc.JdbcIO$ReadFn.processElement(JdbcIO.java:854)
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