I'm afraid it's not. This is due to the fact that it's not supported in the Spark version that we have now.
Thanks, Sachith On Tue, Feb 23, 2016 at 1:14 AM, Udara Rathnayake <[email protected]> wrote: > Hi Niranda, > > Noticed same issue in DAS 3.0.1. Is this fixed now? > > Thanks! > > On Tue, Jan 5, 2016 at 11:12 AM, Niranda Perera <[email protected]> wrote: > >> Hi Udara, >> >> Yes, this is a known issue / limitation in the current implementation. >> You would have to pass a dummy param because udf0 implementation was not >> available by the time we released. >> >> Best >> On Jan 5, 2016 21:37, "Udara Rathnayake" <[email protected]> wrote: >> >>> Hi, >>> >>> When I try to call a UDF without any parameter, getting following >>> error[1]. Let's assume my UDF is convertDate(). But if I try the same with >>> a parameter like convertDate(null) it works. >>> >>> Any Idea? Noticed that we have TimeNowUDF[2] sample, do we need to use " >>> now(null)" within a spark query? >>> >>> >>> [1] >>> >>> TID: [-1] [] [2016-01-05 10:45:51,744] ERROR >>> {org.wso2.carbon.ntask.core.impl.TaskQuartzJobAdapter} - Error in >>> executing task: >>> org.apache.spark.sql.UDFRegistration$$anonfun$register$24$$anonfun$apply$1 >>> cannot be cast to scala.Function0 >>> {org.wso2.carbon.ntask.core.impl.TaskQuartzJobAdapter} >>> java.lang.ClassCastException: >>> org.apache.spark.sql.UDFRegistration$$anonfun$register$24$$anonfun$apply$1 >>> cannot be cast to scala.Function0 >>> at >>> org.apache.spark.sql.catalyst.expressions.ScalaUdf.<init>(ScalaUdf.scala:61) >>> at >>> org.apache.spark.sql.UDFRegistration$$anonfun$register$24.apply(UDFRegistration.scala:408) >>> at >>> org.apache.spark.sql.UDFRegistration$$anonfun$register$24.apply(UDFRegistration.scala:408) >>> at >>> org.apache.spark.sql.catalyst.analysis.SimpleFunctionRegistry.lookupFunction(FunctionRegistry.scala:57) >>> at >>> org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveFunctions$$anonfun$apply$13$$anonfun$applyOrElse$5.applyOrElse(Analyzer.scala:465) >>> at >>> org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveFunctions$$anonfun$apply$13$$anonfun$applyOrElse$5.applyOrElse(Analyzer.scala:463) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$3.apply(TreeNode.scala:222) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$3.apply(TreeNode.scala:222) >>> at >>> org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:51) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:221) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$4.apply(TreeNode.scala:242) >>> at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) >>> at scala.collection.Iterator$class.foreach(Iterator.scala:727) >>> at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) >>> at >>> scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48) >>> at >>> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103) >>> at >>> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47) >>> at scala.collection.TraversableOnce$class.to >>> (TraversableOnce.scala:273) >>> at scala.collection.AbstractIterator.to(Iterator.scala:1157) >>> at >>> scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265) >>> at >>> scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157) >>> at >>> scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252) >>> at scala.collection.AbstractIterator.toArray(Iterator.scala:1157) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode.transformChildrenDown(TreeNode.scala:272) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:227) >>> at org.apache.spark.sql.catalyst.plans.QueryPlan.org >>> $apache$spark$sql$catalyst$plans$QueryPlan$$transformExpressionDown$1(QueryPlan.scala:75) >>> at >>> org.apache.spark.sql.catalyst.plans.QueryPlan$$anonfun$1.apply(QueryPlan.scala:85) >>> at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) >>> at scala.collection.Iterator$class.foreach(Iterator.scala:727) >>> at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) >>> at >>> scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48) >>> at >>> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103) >>> at >>> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47) >>> at scala.collection.TraversableOnce$class.to >>> (TraversableOnce.scala:273) >>> at scala.collection.AbstractIterator.to(Iterator.scala:1157) >>> at >>> scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265) >>> at >>> scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157) >>> at >>> scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252) >>> at scala.collection.AbstractIterator.toArray(Iterator.scala:1157) >>> at >>> org.apache.spark.sql.catalyst.plans.QueryPlan.transformExpressionsDown(QueryPlan.scala:94) >>> at >>> org.apache.spark.sql.catalyst.plans.QueryPlan.transformExpressions(QueryPlan.scala:64) >>> at >>> org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveFunctions$$anonfun$apply$13.applyOrElse(Analyzer.scala:463) >>> at >>> org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveFunctions$$anonfun$apply$13.applyOrElse(Analyzer.scala:461) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$3.apply(TreeNode.scala:222) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$3.apply(TreeNode.scala:222) >>> at >>> org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:51) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:221) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$4.apply(TreeNode.scala:242) >>> at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) >>> at scala.collection.Iterator$class.foreach(Iterator.scala:727) >>> at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) >>> at >>> scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48) >>> at >>> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103) >>> at >>> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47) >>> at scala.collection.TraversableOnce$class.to >>> (TraversableOnce.scala:273) >>> at scala.collection.AbstractIterator.to(Iterator.scala:1157) >>> at >>> scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265) >>> at >>> scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157) >>> at >>> scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252) >>> at scala.collection.AbstractIterator.toArray(Iterator.scala:1157) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode.transformChildrenDown(TreeNode.scala:272) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:227) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$4.apply(TreeNode.scala:242) >>> at scala.collection.Iterator$$anon$11.next(Iterator.scala:328) >>> at scala.collection.Iterator$class.foreach(Iterator.scala:727) >>> at scala.collection.AbstractIterator.foreach(Iterator.scala:1157) >>> at >>> scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48) >>> at >>> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103) >>> at >>> scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47) >>> at scala.collection.TraversableOnce$class.to >>> (TraversableOnce.scala:273) >>> at scala.collection.AbstractIterator.to(Iterator.scala:1157) >>> at >>> scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265) >>> at >>> scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157) >>> at >>> scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252) >>> at scala.collection.AbstractIterator.toArray(Iterator.scala:1157) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode.transformChildrenDown(TreeNode.scala:272) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:227) >>> at >>> org.apache.spark.sql.catalyst.trees.TreeNode.transform(TreeNode.scala:212) >>> at >>> org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveFunctions$.apply(Analyzer.scala:461) >>> at >>> org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveFunctions$.apply(Analyzer.scala:460) >>> at >>> org.apache.spark.sql.catalyst.rules.RuleExecutor$$anonfun$execute$1$$anonfun$apply$1.apply(RuleExecutor.scala:61) >>> at >>> org.apache.spark.sql.catalyst.rules.RuleExecutor$$anonfun$execute$1$$anonfun$apply$1.apply(RuleExecutor.scala:59) >>> at >>> scala.collection.LinearSeqOptimized$class.foldLeft(LinearSeqOptimized.scala:111) >>> at scala.collection.immutable.List.foldLeft(List.scala:84) >>> at >>> org.apache.spark.sql.catalyst.rules.RuleExecutor$$anonfun$execute$1.apply(RuleExecutor.scala:59) >>> at >>> org.apache.spark.sql.catalyst.rules.RuleExecutor$$anonfun$execute$1.apply(RuleExecutor.scala:51) >>> at scala.collection.immutable.List.foreach(List.scala:318) >>> at >>> org.apache.spark.sql.catalyst.rules.RuleExecutor.execute(RuleExecutor.scala:51) >>> at >>> org.apache.spark.sql.SQLContext$QueryExecution.analyzed$lzycompute(SQLContext.scala:933) >>> at >>> org.apache.spark.sql.SQLContext$QueryExecution.analyzed(SQLContext.scala:933) >>> at >>> org.apache.spark.sql.SQLContext$QueryExecution.assertAnalyzed(SQLContext.scala:931) >>> at org.apache.spark.sql.DataFrame.<init>(DataFrame.scala:131) >>> at org.apache.spark.sql.DataFrame$.apply(DataFrame.scala:51) >>> at org.apache.spark.sql.SQLContext.sql(SQLContext.scala:755) >>> at >>> org.wso2.carbon.analytics.spark.core.internal.SparkAnalyticsExecutor.executeQueryLocal(SparkAnalyticsExecutor.java:710) >>> at >>> org.wso2.carbon.analytics.spark.core.internal.SparkAnalyticsExecutor.executeQuery(SparkAnalyticsExecutor.java:692) >>> at >>> org.wso2.carbon.analytics.spark.core.CarbonAnalyticsProcessorService.executeQuery(CarbonAnalyticsProcessorService.java:199) >>> at >>> org.wso2.carbon.analytics.spark.core.CarbonAnalyticsProcessorService.executeScript(CarbonAnalyticsProcessorService.java:149) >>> at >>> org.wso2.carbon.analytics.spark.core.AnalyticsTask.execute(AnalyticsTask.java:57) >>> at >>> org.wso2.carbon.ntask.core.impl.TaskQuartzJobAdapter.execute(TaskQuartzJobAdapter.java:67) >>> at org.quartz.core.JobRunShell.run(JobRunShell.java:213) >>> at >>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) >>> at java.util.concurrent.FutureTask.run(FutureTask.java:266) >>> at >>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) >>> at java.lang.Thread.run(Thread.java:745) >>> >>> [2] >>> https://github.com/wso2/carbon-analytics/blob/master/components/analytics-processors/org.wso2.carbon.analytics.spark.core/src/main/java/org/wso2/carbon/analytics/spark/core/udf/defaults/TimeNowUDF.java >>> >>> -- >>> Regards, >>> UdaraR >>> >> > > > -- > Regards, > UdaraR > -- Sachith Withana Software Engineer; WSO2 Inc.; http://wso2.com E-mail: sachith AT wso2.com M: +94715518127 Linked-In: <http://goog_416592669>https://lk.linkedin.com/in/sachithwithana
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