[jira] [Created] (HUDI-4171) NonPartitioned Key gen w/ virtual keys fails to be read w/ presto

["sivabalan narayanan (Jira)" <ji...@apache.org>]

sivabalan narayanan created HUDI-4171:
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             Summary: NonPartitioned Key gen w/ virtual keys fails to be read w/ presto
                 Key: HUDI-4171
                 URL: https://issues.apache.org/jira/browse/HUDI-4171
             Project: Apache Hudi
          Issue Type: Bug
          Components: reader-core
            Reporter: sivabalan narayanan


Looks like non partitioned key gen does not work well when Virtual keys are enabled. 

 
{code:java}
Query 20220531_171243_00023_eudi3 failed: Fetching table schema failed with exception 
io.prestosql.spi.PrestoException: Fetching table schema failed with exception 
	at io.prestosql.plugin.hive.BackgroundHiveSplitLoader$HiveSplitLoaderTask.process(BackgroundHiveSplitLoader.java:223)
	at io.prestosql.plugin.hive.util.ResumableTasks$1.run(ResumableTasks.java:38)
	at io.prestosql.$gen.Presto_332____20220531_134705_2.run(Unknown Source)
	at io.airlift.concurrent.BoundedExecutor.drainQueue(BoundedExecutor.java:78)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.hudi.exception.HoodieException: Fetching table schema failed with exception 
	at org.apache.hudi.hadoop.HoodieCopyOnWriteTableInputFormat.getHoodieVirtualKeyInfo(HoodieCopyOnWriteTableInputFormat.java:289)
	at org.apache.hudi.hadoop.HoodieCopyOnWriteTableInputFormat.listStatusForSnapshotMode(HoodieCopyOnWriteTableInputFormat.java:245)
	at org.apache.hudi.hadoop.HoodieCopyOnWriteTableInputFormat.listStatus(HoodieCopyOnWriteTableInputFormat.java:140)
	at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:325)
	at org.apache.hudi.hadoop.HoodieParquetInputFormatBase.getSplits(HoodieParquetInputFormatBase.java:68)
	at io.prestosql.plugin.hive.BackgroundHiveSplitLoader.loadPartition(BackgroundHiveSplitLoader.java:407)
	at io.prestosql.plugin.hive.BackgroundHiveSplitLoader.loadSplits(BackgroundHiveSplitLoader.java:287)
	at io.prestosql.plugin.hive.BackgroundHiveSplitLoader.access$300(BackgroundHiveSplitLoader.java:107)
	at io.prestosql.plugin.hive.BackgroundHiveSplitLoader$HiveSplitLoaderTask.process(BackgroundHiveSplitLoader.java:216)
	... 6 more
Caused by: java.lang.NullPointerException
	at org.apache.hudi.hadoop.HoodieCopyOnWriteTableInputFormat.getHoodieVirtualKeyInfo(HoodieCopyOnWriteTableInputFormat.java:287)
	... 14 more {code}
Original table:

bulk insert row writer

Non partitioned key gen

Disable meta fields. 

 

 

 



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