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https://issues.apache.org/jira/browse/SPARK-12985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-12985:
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Component/s: SQL
> Spark Hive thrift server big decimal data issue
> -----------------------------------------------
>
> Key: SPARK-12985
> URL: https://issues.apache.org/jira/browse/SPARK-12985
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0
> Reporter: Alex Liu
> Priority: Minor
>
> I tested the trial version JDBC driver from Simba, it works for simple query.
> But there is some issue with data mapping. e.g.
> {code}
> java.sql.SQLException: [Simba][SparkJDBCDriver](500312) Error in fetching
> data rows: java.math.BigDecimal cannot be cast to
> org.apache.hadoop.hive.common.type.HiveDecimal;
> at
> com.simba.spark.hivecommon.api.HS2Client.buildExceptionFromTStatus(Unknown
> Source)
> at com.simba.spark.hivecommon.api.HS2Client.fetchNRows(Unknown Source)
> at com.simba.spark.hivecommon.api.HS2Client.fetchRows(Unknown Source)
> at com.simba.spark.hivecommon.dataengine.BackgroundFetcher.run(Unknown
> Source)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> Caused by: com.simba.spark.support.exceptions.GeneralException:
> [Simba][SparkJDBCDriver](500312) Error in fetching data rows:
> java.math.BigDecimal cannot be cast to
> org.apache.hadoop.hive.common.type.HiveDecimal;
> ... 8 more
> {code}
> To fix it
> {code}
> case DecimalType() =>
> - to += from.getDecimal(ordinal)
> + to += HiveDecimal.create(from.getDecimal(ordinal))
> {code}
> to
> https://github.com/apache/spark/blob/master/sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkExecuteStatementOperation.scala#L87
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