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Posted to issues@spark.apache.org by "zenglinxi (JIRA)" <ji...@apache.org> on 2016/10/27 11:26:58 UTC
[jira] [Commented] (SPARK-13819) using a regexp_replace in a group
by clause raises a nullpointerexception
[ https://issues.apache.org/jira/browse/SPARK-13819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15611589#comment-15611589 ]
zenglinxi commented on SPARK-13819:
-----------------------------------
We encountered the same problem, is there any progress?
> using a regexp_replace in a group by clause raises a nullpointerexception
> -------------------------------------------------------------------------
>
> Key: SPARK-13819
> URL: https://issues.apache.org/jira/browse/SPARK-13819
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0
> Reporter: Javier Pérez
>
> 1. Start start-thriftserver.sh
> 2. connect with beeline
> 3. Perform the following query over a table:
> SELECT t0.textsample
> FROM test t0
> ORDER BY regexp_replace(
> t0.code,
> concat('\\Q', 'a', '\\E'),
> regexp_replace(
> regexp_replace('zz', '\\\\', '\\\\\\\\'),
> '\\$',
> '\\\\\\$')) DESC;
> Problem: NullPointerException
> Trace:
> java.lang.NullPointerException
> at org.apache.spark.sql.catalyst.expressions.RegExpReplace.nullSafeEval(regexpExpressions.scala:224)
> at org.apache.spark.sql.catalyst.expressions.TernaryExpression.eval(Expression.scala:458)
> at org.apache.spark.sql.catalyst.expressions.InterpretedOrdering.compare(ordering.scala:36)
> at org.apache.spark.sql.catalyst.expressions.InterpretedOrdering.compare(ordering.scala:27)
> at scala.math.Ordering$class.gt(Ordering.scala:97)
> at org.apache.spark.sql.catalyst.expressions.InterpretedOrdering.gt(ordering.scala:27)
> at org.apache.spark.RangePartitioner.getPartition(Partitioner.scala:168)
> at org.apache.spark.sql.execution.Exchange$$anonfun$doExecute$1$$anonfun$4$$anonfun$apply$4.apply(Exchange.scala:180)
> at org.apache.spark.sql.execution.Exchange$$anonfun$doExecute$1$$anonfun$4$$anonfun$apply$4.apply(Exchange.scala:180)
> at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
> at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.insertAll(BypassMergeSortShuffleWriter.java:119)
> at org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:73)
> at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
> at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
> at org.apache.spark.scheduler.Task.run(Task.scala:88)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
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