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https://issues.apache.org/jira/browse/HUDI-3237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Raymond Xu updated HUDI-3237:
-----------------------------
Sprint: Cont' improve - 2021/01/18
> ALTER TABLE column type change fails select query
> -------------------------------------------------
>
> Key: HUDI-3237
> URL: https://issues.apache.org/jira/browse/HUDI-3237
> Project: Apache Hudi
> Issue Type: Bug
> Components: spark-sql
> Affects Versions: 0.10.1
> Reporter: Raymond Xu
> Assignee: Yann Byron
> Priority: Major
> Fix For: 0.11.0
>
> Attachments: image-2022-01-13-17-04-09-038.png
>
>
> {code:sql}
> create table if not exists cow_nonpt_nonpcf_tbl (
> id int,
> name string,
> price double
> ) using hudi
> options (
> type = 'cow',
> primaryKey = 'id'
> );
> insert into cow_nonpt_nonpcf_tbl select 1, 'a1', 20;
> DESC cow_nonpt_nonpcf_tbl;
> -- shows id int
> ALTER TABLE cow_nonpt_nonpcf_tbl change column id id bigint;
> DESC cow_nonpt_nonpcf_tbl;
> -- shows id bigint
> -- this works fine so far
> select * from cow_nonpt_nonpcf_tbl;
> -- throws exception
> {code}
> {code}
> org.apache.spark.sql.execution.QueryExecutionException: Parquet column cannot
> be converted in file
> file:///opt/spark-warehouse/cow_nonpt_nonpcf_tbl/ff3c68e6-84d4-4a8a-8bc8-cc58736847aa-0_0-7-7_20220112182401452.parquet.
> Column: [id], Expected: bigint, Found: INT32
> at
> org.apache.spark.sql.execution.datasources.FileScanRDD$$anon$1.nextIterator(FileScanRDD.scala:179)
> at
> org.apache.spark.sql.execution.datasources.FileScanRDD$$anon$1.hasNext(FileScanRDD.scala:93)
> at
> org.apache.spark.sql.execution.FileSourceScanExec$$anon$1.hasNext(DataSourceScanExec.scala:503)
> at
> org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.columnartorow_nextBatch_0$(Unknown
> Source)
> at
> org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.processNext(Unknown
> Source)
> at
> org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
> at
> org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)
> at
> org.apache.spark.sql.execution.SparkPlan.$anonfun$getByteArrayRdd$1(SparkPlan.scala:345)
> at
> org.apache.spark.rdd.RDD.$anonfun$mapPartitionsInternal$2(RDD.scala:898)
> at
> org.apache.spark.rdd.RDD.$anonfun$mapPartitionsInternal$2$adapted(RDD.scala:898)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
> at org.apache.spark.scheduler.Task.run(Task.scala:131)
> at
> org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:497)
> at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)
> at
> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:500)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Caused by:
> org.apache.spark.sql.execution.datasources.SchemaColumnConvertNotSupportedException
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.constructConvertNotSupportedException(VectorizedColumnReader.java:339)
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.readIntBatch(VectorizedColumnReader.java:571)
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.readBatch(VectorizedColumnReader.java:294)
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedParquetRecordReader.nextBatch(VectorizedParquetRecordReader.java:283)
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedParquetRecordReader.nextKeyValue(VectorizedParquetRecordReader.java:181)
> at
> org.apache.spark.sql.execution.datasources.RecordReaderIterator.hasNext(RecordReaderIterator.scala:37)
> at
> org.apache.spark.sql.execution.datasources.FileScanRDD$$anon$1.hasNext(FileScanRDD.scala:93)
> at
> org.apache.spark.sql.execution.datasources.FileScanRDD$$anon$1.nextIterator(FileScanRDD.scala:173)
> ... 20 more
> {code}
> reported while testing on 0.10.1-rc1 (spark 3.0.3, 3.1.2)
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