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https://issues.apache.org/jira/browse/BEAM-5274?focusedWorklogId=141048&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-141048
]
ASF GitHub Bot logged work on BEAM-5274:
----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Sep/18 21:30
Start Date: 04/Sep/18 21:30
Worklog Time Spent: 10m
Work Description: apilloud closed pull request #6309: [BEAM-5274][SQL]
Check if iterator.hasNext
URL: https://github.com/apache/beam/pull/6309
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):
diff --git
a/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamEnumerableConverter.java
b/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamEnumerableConverter.java
index 77cbd8e8d11..f90c1bdfb9f 100644
---
a/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamEnumerableConverter.java
+++
b/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamEnumerableConverter.java
@@ -20,6 +20,7 @@
import static com.google.common.base.Preconditions.checkArgument;
import java.io.IOException;
+import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Queue;
@@ -35,6 +36,7 @@
import org.apache.beam.sdk.metrics.Counter;
import org.apache.beam.sdk.metrics.MetricNameFilter;
import org.apache.beam.sdk.metrics.MetricQueryResults;
+import org.apache.beam.sdk.metrics.MetricResult;
import org.apache.beam.sdk.metrics.Metrics;
import org.apache.beam.sdk.metrics.MetricsFilter;
import org.apache.beam.sdk.options.ApplicationNameOptions;
@@ -304,7 +306,10 @@ private static Object fieldToAvatica(Schema.FieldType
type, Object beamValue) {
MetricsFilter.builder()
.addNameFilter(MetricNameFilter.named(BeamEnumerableConverter.class, "rows"))
.build());
- count = metrics.getCounters().iterator().next().getAttempted();
+ Iterator<MetricResult<Long>> iterator = metrics.getCounters().iterator();
+ if (iterator.hasNext()) {
+ count = iterator.next().getAttempted();
+ }
}
return Linq4j.singletonEnumerable(count);
}
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Issue Time Tracking
-------------------
Worklog Id: (was: 141048)
Time Spent: 2h (was: 1h 50m)
> Handle NoSuchElementException When select from an empty table and insert into
> another table
> -------------------------------------------------------------------------------------------
>
> Key: BEAM-5274
> URL: https://issues.apache.org/jira/browse/BEAM-5274
> Project: Beam
> Issue Type: Improvement
> Components: dsl-sql
> Reporter: Rui Wang
> Assignee: Rui Wang
> Priority: Major
> Time Spent: 2h
> Remaining Estimate: 0h
>
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