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		07-12-2017
	
		
		01:20 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 The query executes with map reduce engine and I get the desired result.  The error happens when I switch to spark engine. 
						
					
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		07-12-2017
	
		
		12:05 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 The SQL is very simple.    Select col1, col2,col3,.............,coln from Table1   UNION ALL Select col1, col2,col3.............,coln from Table2   UNION ALL Select col1, col2,col3.............,coln from Table3  UNION ALL .......... UNION ALL Select col1, col2,col3.............,coln from Table13     When I break up the view into smaller chunks, they work.  Here is the sample of combinations that work and do not work.     Tables   1,2,3,4 Working                                  1,2,3,4,5 Not Working                                  1,2,3,5 Not Working                                  1,2,4,5 Not Working                                  1,3,4,5 Not Working                                  1,2,3,4,6 Not Working                                  1,2,3,4,7 Not Working                                  1,2,3,4,8 Not Working                                  1,5 Working                                  5,6 Working                                  5,6,7 Not Working                                  6,7 Working                                  6,7,8 Working                                  6,7,8,9 Working                                  6,7,8,9,10 Working                                  6,7,8,9,10,11 Working                                  6,7,8,9,10,11,12 Not Working                                  12,13 Working     These is a partial list of combinations, I have tried.     When it is not working, I get this stack trace.     Getting log thread is interrupted, since query is done!  Error: Error while compiling statement: FAILED: SemanticException Exception when trying to remove partition predicates: fail to find child from parent (state=42000,code=40000)  org.apache.hive.service.cli.HiveSQLException: Error while compiling statement: FAILED: SemanticException Exception when trying to remove partition predicates: fail to find child from parent          at org.apache.hive.jdbc.Utils.verifySuccess(Utils.java:239)          at org.apache.hive.jdbc.Utils.verifySuccessWithInfo(Utils.java:225)          at org.apache.hive.jdbc.HiveStatement.execute(HiveStatement.java:244)          at org.apache.hive.beeline.Commands.executeInternal(Commands.java:904)          at org.apache.hive.beeline.Commands.execute(Commands.java:1091)          at org.apache.hive.beeline.Commands.sql(Commands.java:987)          at org.apache.hive.beeline.BeeLine.dispatch(BeeLine.java:1082)          at org.apache.hive.beeline.BeeLine.execute(BeeLine.java:917)          at org.apache.hive.beeline.BeeLine.begin(BeeLine.java:845)          at org.apache.hive.beeline.BeeLine.mainWithInputRedirection(BeeLine.java:482)          at org.apache.hive.beeline.BeeLine.main(BeeLine.java:465)          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)          at java.lang.reflect.Method.invoke(Method.java:497)          at org.apache.hadoop.util.RunJar.run(RunJar.java:221)          at org.apache.hadoop.util.RunJar.main(RunJar.java:136)  Caused by: org.apache.hive.service.cli.HiveSQLException: Error while compiling statement: FAILED: SemanticException Exception when trying to remove partition predicates: fail to find child from parent          at org.apache.hive.service.cli.operation.Operation.toSQLException(Operation.java:385)          at org.apache.hive.service.cli.operation.SQLOperation.prepare(SQLOperation.java:136)          at org.apache.hive.service.cli.operation.SQLOperation.runInternal(SQLOperation.java:206)         at org.apache.hive.service.cli.operation.Operation.run(Operation.java:327)          at org.apache.hive.service.cli.session.HiveSessionImpl.executeStatementInternal(HiveSessionImpl.java:424)          at org.apache.hive.service.cli.session.HiveSessionImpl.executeStatementAsync(HiveSessionImpl.java:401)          at org.apache.hive.service.cli.CLIService.executeStatementAsync(CLIService.java:260)          at org.apache.hive.service.cli.thrift.ThriftCLIService.ExecuteStatement(ThriftCLIService.java:500)          at org.apache.hive.service.cli.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1313)          at org.apache.hive.service.cli.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1298)          at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)          at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)          at org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge$Server$TUGIAssumingProcessor.process(HadoopThriftAuthBridge.java:746)          at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)          at java.lang.Thread.run(Thread.java:745)  Caused by: org.apache.hadoop.hive.ql.parse.SemanticException: Exception when trying to remove partition predicates: fail to find child from parent          at org.apache.hadoop.hive.ql.exec.Operator.removeChildAndAdoptItsChildren(Operator.java:711)          at org.apache.hadoop.hive.ql.parse.spark.GenSparkUtils.removeUnionOperators(GenSparkUtils.java:284)          at org.apache.hadoop.hive.ql.parse.spark.SparkCompiler.generateTaskTree(SparkCompiler.java:229)          at org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:204)          at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10109)          at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:9902)          at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:223)          at org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74)          at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:223)          at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:488)          at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1274)          at org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1261)          at org.apache.hive.service.cli.operation.SQLOperation.prepare(SQLOperation.java:134)          ... 15 more    
						
					
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		07-11-2017
	
		
		09:49 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 I have a Hive view with Union All operator. The View executes when I execute wth Map Reduce engine. When I use spark as my execution engine, I am getting the following error "Error: Error while compiling statement: FAILED: SemanticException Exception when trying to remove partition predicates: fail to find child from parent (state=42000,code=40000). Any advice. 
						
					
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